@@ -29,9 +29,9 @@
** The makefile makes some minor changes to this file (such as inserting
** the version number) and changes its name to "sqlite3.h" as
** part of the build process.
**
-** @(#) $Id: sqlite.h.in,v 1.371 2008/07/14 18:38:17 drh Exp $
+** @(#) $Id: sqlite.h.in,v 1.406 2008/10/30 15:03:16 drh Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h> /* Needed for the definition of va_list */
@@ -51,8 +51,24 @@
# define SQLITE_EXTERN extern
#endif
/*
+** These no-op macros are used in front of interfaces to mark those
+** interfaces as either deprecated or experimental. New applications
+** should not use deprecated intrfaces - they are support for backwards
+** compatibility only. Application writers should be aware that
+** experimental interfaces are subject to change in point releases.
+**
+** These macros used to resolve to various kinds of compiler magic that
+** would generate warning messages when they were used. But that
+** compiler magic ended up generating such a flurry of bug reports
+** that we have taken it all out and gone back to using simple
+** noop macros.
+*/
+#define SQLITE_DEPRECATED
+#define SQLITE_EXPERIMENTAL
+
+/*
** Ensure these symbols were not defined by some previous header file.
*/
#ifdef SQLITE_VERSION
# undef SQLITE_VERSION
@@ -61,9 +77,9 @@
# undef SQLITE_VERSION_NUMBER
#endif
/*
-** CAPI3REF: Compile-Time Library Version Numbers {F10010}
+** CAPI3REF: Compile-Time Library Version Numbers {H10010} <S60100>
**
** The SQLITE_VERSION and SQLITE_VERSION_NUMBER #defines in
** the sqlite3.h file specify the version of SQLite with which
** that header file is associated.
@@ -82,21 +98,21 @@
** See also: [sqlite3_libversion()] and [sqlite3_libversion_number()].
**
** INVARIANTS:
**
-** {F10011} The SQLITE_VERSION #define in the sqlite3.h header file shall
+** {H10011} The SQLITE_VERSION #define in the sqlite3.h header file shall
** evaluate to a string literal that is the SQLite version
** with which the header file is associated.
**
-** {F10014} The SQLITE_VERSION_NUMBER #define shall resolve to an integer
+** {H10014} The SQLITE_VERSION_NUMBER #define shall resolve to an integer
** with the value (X*1000000 + Y*1000 + Z) where X, Y, and Z
** are the major version, minor version, and release number.
*/
-#define SQLITE_VERSION "3.6.0"
-#define SQLITE_VERSION_NUMBER 3006000
-
-/*
-** CAPI3REF: Run-Time Library Version Numbers {F10020}
+#define SQLITE_VERSION "3.6.4"
+#define SQLITE_VERSION_NUMBER 3006004
+
+/*
+** CAPI3REF: Run-Time Library Version Numbers {H10020} <S60100>
** KEYWORDS: sqlite3_version
**
** These features provide the same information as the [SQLITE_VERSION]
** and [SQLITE_VERSION_NUMBER] #defines in the header, but are associated
@@ -111,27 +127,28 @@
** constants within the DLL.
**
** INVARIANTS:
**
-** {F10021} The [sqlite3_libversion_number()] interface shall return
+** {H10021} The [sqlite3_libversion_number()] interface shall return
** an integer equal to [SQLITE_VERSION_NUMBER].
**
-** {F10022} The [sqlite3_version] string constant shall contain
+** {H10022} The [sqlite3_version] string constant shall contain
** the text of the [SQLITE_VERSION] string.
**
-** {F10023} The [sqlite3_libversion()] function shall return
+** {H10023} The [sqlite3_libversion()] function shall return
** a pointer to the [sqlite3_version] string constant.
*/
SQLITE_EXTERN const char sqlite3_version[];
const char *sqlite3_libversion(void);
int sqlite3_libversion_number(void);
/*
-** CAPI3REF: Test To See If The Library Is Threadsafe {F10100}
+** CAPI3REF: Test To See If The Library Is Threadsafe {H10100} <S60100>
**
** SQLite can be compiled with or without mutexes. When
-** the [SQLITE_THREADSAFE] C preprocessor macro is true, mutexes
-** are enabled and SQLite is threadsafe. When that macro is false,
+** the [SQLITE_THREADSAFE] C preprocessor macro 1 or 2, mutexes
+** are enabled and SQLite is threadsafe. When the
+** [SQLITE_THREADSAFE] macro is 0,
** the mutexes are omitted. Without the mutexes, it is not safe
** to use SQLite concurrently from more than one thread.
**
** Enabling mutexes incurs a measurable performance penalty.
@@ -151,26 +168,22 @@
** or [SQLITE_CONFIG_MUTEX]. The return value of this function shows
** only the default compile-time setting, not any run-time changes
** to that setting.
**
-** INVARIANTS:
-**
-** {F10101} The [sqlite3_threadsafe()] function shall return nonzero if
-** SQLite was compiled with the its mutexes enabled by default
-** or zero if SQLite was compiled such that mutexes are
-** permanently disabled.
-**
-** {F10102} The value returned by the [sqlite3_threadsafe()] function
-** shall not change when mutex setting are modified at
-** runtime using the [sqlite3_config()] interface and
-** especially the [SQLITE_CONFIG_SINGLETHREAD],
-** [SQLITE_CONFIG_MULTITHREAD], [SQLITE_CONFIG_SERIALIZED],
-** and [SQLITE_CONFIG_MUTEX] verbs.
+** See the [threading mode] documentation for additional information.
+**
+** INVARIANTS:
+**
+** {H10101} The [sqlite3_threadsafe()] function shall return zero if
+** and only if SQLite was compiled with mutexing code omitted.
+**
+** {H10102} The value returned by the [sqlite3_threadsafe()] function
+** shall remain the same across calls to [sqlite3_config()].
*/
int sqlite3_threadsafe(void);
/*
-** CAPI3REF: Database Connection Handle {F12000}
+** CAPI3REF: Database Connection Handle {H12000} <S40200>
** KEYWORDS: {database connection} {database connections}
**
** Each open SQLite database is represented by a pointer to an instance of
** the opaque structure named "sqlite3". It is useful to think of an sqlite3
@@ -183,9 +196,9 @@
*/
typedef struct sqlite3 sqlite3;
/*
-** CAPI3REF: 64-Bit Integer Types {F10200}
+** CAPI3REF: 64-Bit Integer Types {H10200} <S10110>
** KEYWORDS: sqlite_int64 sqlite_uint64
**
** Because there is no cross-platform way to specify 64-bit integer types
** SQLite includes typedefs for 64-bit signed and unsigned integers.
@@ -195,12 +208,12 @@
** compatibility only.
**
** INVARIANTS:
**
-** {F10201} The [sqlite_int64] and [sqlite3_int64] type shall specify
+** {H10201} The [sqlite_int64] and [sqlite3_int64] type shall specify
** a 64-bit signed integer.
**
-** {F10202} The [sqlite_uint64] and [sqlite3_uint64] type shall specify
+** {H10202} The [sqlite_uint64] and [sqlite3_uint64] type shall specify
** a 64-bit unsigned integer.
*/
#ifdef SQLITE_INT64_TYPE
typedef SQLITE_INT64_TYPE sqlite_int64;
@@ -223,9 +236,9 @@
# define double sqlite3_int64
#endif
/*
-** CAPI3REF: Closing A Database Connection {F12010}
+** CAPI3REF: Closing A Database Connection {H12010} <S30100><S40200>
**
** This routine is the destructor for the [sqlite3] object.
**
** Applications should [sqlite3_finalize | finalize] all [prepared statements]
@@ -246,32 +259,32 @@
** the transaction is automatically rolled back.
**
** INVARIANTS:
**
-** {F12011} A successful call to [sqlite3_close(C)] shall destroy the
+** {H12011} A successful call to [sqlite3_close(C)] shall destroy the
** [database connection] object C.
**
-** {F12012} A successful call to [sqlite3_close(C)] shall return SQLITE_OK.
-**
-** {F12013} A successful call to [sqlite3_close(C)] shall release all
+** {H12012} A successful call to [sqlite3_close(C)] shall return SQLITE_OK.
+**
+** {H12013} A successful call to [sqlite3_close(C)] shall release all
** memory and system resources associated with [database connection]
** C.
**
-** {F12014} A call to [sqlite3_close(C)] on a [database connection] C that
+** {H12014} A call to [sqlite3_close(C)] on a [database connection] C that
** has one or more open [prepared statements] shall fail with
** an [SQLITE_BUSY] error code.
**
-** {F12015} A call to [sqlite3_close(C)] where C is a NULL pointer shall
-** return SQLITE_OK.
-**
-** {F12019} When [sqlite3_close(C)] is invoked on a [database connection] C
+** {H12015} A call to [sqlite3_close(C)] where C is a NULL pointer shall
+** be a harmless no-op returning SQLITE_OK.
+**
+** {H12019} When [sqlite3_close(C)] is invoked on a [database connection] C
** that has a pending transaction, the transaction shall be
** rolled back.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12016} The C parameter to [sqlite3_close(C)] must be either a NULL
-** pointer or an [sqlite3] object pointer previously obtained
+** pointer or an [sqlite3] object pointer obtained
** from [sqlite3_open()], [sqlite3_open16()], or
** [sqlite3_open_v2()], and not previously closed.
*/
int sqlite3_close(sqlite3 *);
@@ -283,9 +296,9 @@
*/
typedef int (*sqlite3_callback)(void*,int,char**, char**);
/*
-** CAPI3REF: One-Step Query Execution Interface {F12100}
+** CAPI3REF: One-Step Query Execution Interface {H12100} <S10000>
**
** The sqlite3_exec() interface is a convenient way of running one or more
** SQL statements without having to write a lot of C code. The UTF-8 encoded
** SQL statements are passed in as the second parameter to sqlite3_exec().
@@ -311,71 +324,73 @@
** by [sqlite3_prepare_v2()], [sqlite3_step()], and [sqlite3_finalize()].
**
** INVARIANTS:
**
-** {F12101} A successful invocation of [sqlite3_exec(D,S,C,A,E)]
+** {H12101} A successful invocation of [sqlite3_exec(D,S,C,A,E)]
** shall sequentially evaluate all of the UTF-8 encoded,
** semicolon-separated SQL statements in the zero-terminated
** string S within the context of the [database connection] D.
**
-** {F12102} If the S parameter to [sqlite3_exec(D,S,C,A,E)] is NULL then
+** {H12102} If the S parameter to [sqlite3_exec(D,S,C,A,E)] is NULL then
** the actions of the interface shall be the same as if the
** S parameter were an empty string.
**
-** {F12104} The return value of [sqlite3_exec()] shall be [SQLITE_OK] if all
+** {H12104} The return value of [sqlite3_exec()] shall be [SQLITE_OK] if all
** SQL statements run successfully and to completion.
**
-** {F12105} The return value of [sqlite3_exec()] shall be an appropriate
+** {H12105} The return value of [sqlite3_exec()] shall be an appropriate
** non-zero [error code] if any SQL statement fails.
**
-** {F12107} If one or more of the SQL statements handed to [sqlite3_exec()]
+** {H12107} If one or more of the SQL statements handed to [sqlite3_exec()]
** return results and the 3rd parameter is not NULL, then
** the callback function specified by the 3rd parameter shall be
** invoked once for each row of result.
**
-** {F12110} If the callback returns a non-zero value then [sqlite3_exec()]
+** {H12110} If the callback returns a non-zero value then [sqlite3_exec()]
** shall abort the SQL statement it is currently evaluating,
** skip all subsequent SQL statements, and return [SQLITE_ABORT].
**
-** {F12113} The [sqlite3_exec()] routine shall pass its 4th parameter through
+** {H12113} The [sqlite3_exec()] routine shall pass its 4th parameter through
** as the 1st parameter of the callback.
**
-** {F12116} The [sqlite3_exec()] routine shall set the 2nd parameter of its
+** {H12116} The [sqlite3_exec()] routine shall set the 2nd parameter of its
** callback to be the number of columns in the current row of
** result.
**
-** {F12119} The [sqlite3_exec()] routine shall set the 3rd parameter of its
+** {H12119} The [sqlite3_exec()] routine shall set the 3rd parameter of its
** callback to be an array of pointers to strings holding the
** values for each column in the current result set row as
** obtained from [sqlite3_column_text()].
**
-** {F12122} The [sqlite3_exec()] routine shall set the 4th parameter of its
+** {H12122} The [sqlite3_exec()] routine shall set the 4th parameter of its
** callback to be an array of pointers to strings holding the
** names of result columns as obtained from [sqlite3_column_name()].
**
-** {F12125} If the 3rd parameter to [sqlite3_exec()] is NULL then
+** {H12125} If the 3rd parameter to [sqlite3_exec()] is NULL then
** [sqlite3_exec()] shall silently discard query results.
**
-** {F12131} If an error occurs while parsing or evaluating any of the SQL
+** {H12131} If an error occurs while parsing or evaluating any of the SQL
** statements in the S parameter of [sqlite3_exec(D,S,C,A,E)] and if
** the E parameter is not NULL, then [sqlite3_exec()] shall store
** in *E an appropriate error message written into memory obtained
** from [sqlite3_malloc()].
**
-** {F12134} The [sqlite3_exec(D,S,C,A,E)] routine shall set the value of
+** {H12134} The [sqlite3_exec(D,S,C,A,E)] routine shall set the value of
** *E to NULL if E is not NULL and there are no errors.
**
-** {F12137} The [sqlite3_exec(D,S,C,A,E)] function shall set the [error code]
+** {H12137} The [sqlite3_exec(D,S,C,A,E)] function shall set the [error code]
** and message accessible via [sqlite3_errcode()],
+** [sqlite3_extended_errcode()],
** [sqlite3_errmsg()], and [sqlite3_errmsg16()].
**
-** {F12138} If the S parameter to [sqlite3_exec(D,S,C,A,E)] is NULL or an
+** {H12138} If the S parameter to [sqlite3_exec(D,S,C,A,E)] is NULL or an
** empty string or contains nothing other than whitespace, comments,
** and/or semicolons, then results of [sqlite3_errcode()],
+** [sqlite3_extended_errcode()],
** [sqlite3_errmsg()], and [sqlite3_errmsg16()]
** shall reset to indicate no errors.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12141} The first parameter to [sqlite3_exec()] must be an valid and open
** [database connection].
**
@@ -397,9 +412,9 @@
char **errmsg /* Error msg written here */
);
/*
-** CAPI3REF: Result Codes {F10210}
+** CAPI3REF: Result Codes {H10210} <S10700>
** KEYWORDS: SQLITE_OK {error code} {error codes}
** KEYWORDS: {result code} {result codes}
**
** Many SQLite functions return an integer result code from the set shown
@@ -441,9 +456,9 @@
#define SQLITE_DONE 101 /* sqlite3_step() has finished executing */
/* end-of-error-codes */
/*
-** CAPI3REF: Extended Result Codes {F10220}
+** CAPI3REF: Extended Result Codes {H10220} <S10700>
** KEYWORDS: {extended error code} {extended error codes}
** KEYWORDS: {extended result code} {extended result codes}
**
** In its default configuration, SQLite API routines return one of 26 integer
@@ -465,16 +480,16 @@
** be exactly zero.
**
** INVARIANTS:
**
-** {F10223} The symbolic name for an extended result code shall contains
+** {H10223} The symbolic name for an extended result code shall contains
** a related primary result code as a prefix.
**
-** {F10224} Primary result code names shall contain a single "_" character.
-**
-** {F10225} Extended result code names shall contain two or more "_" characters.
-**
-** {F10226} The numeric value of an extended result code shall contain the
+** {H10224} Primary result code names shall contain a single "_" character.
+**
+** {H10225} Extended result code names shall contain two or more "_" characters.
+**
+** {H10226} The numeric value of an extended result code shall contain the
** numeric value of its corresponding primary result code in
** its least significant 8 bits.
*/
#define SQLITE_IOERR_READ (SQLITE_IOERR | (1<<8))
@@ -490,11 +505,12 @@
#define SQLITE_IOERR_BLOCKED (SQLITE_IOERR | (11<<8))
#define SQLITE_IOERR_NOMEM (SQLITE_IOERR | (12<<8))
#define SQLITE_IOERR_ACCESS (SQLITE_IOERR | (13<<8))
#define SQLITE_IOERR_CHECKRESERVEDLOCK (SQLITE_IOERR | (14<<8))
-
-/*
-** CAPI3REF: Flags For File Open Operations {F10230}
+#define SQLITE_IOERR_LOCK (SQLITE_IOERR | (15<<8))
+
+/*
+** CAPI3REF: Flags For File Open Operations {H10230} <H11120> <H12700>
**
** These bit values are intended for use in the
** 3rd parameter to the [sqlite3_open_v2()] interface and
** in the 4th parameter to the xOpen method of the
@@ -512,11 +528,12 @@
#define SQLITE_OPEN_TEMP_JOURNAL 0x00001000
#define SQLITE_OPEN_SUBJOURNAL 0x00002000
#define SQLITE_OPEN_MASTER_JOURNAL 0x00004000
#define SQLITE_OPEN_NOMUTEX 0x00008000
-
-/*
-** CAPI3REF: Device Characteristics {F10240}
+#define SQLITE_OPEN_FULLMUTEX 0x00010000
+
+/*
+** CAPI3REF: Device Characteristics {H10240} <H11120>
**
** The xDeviceCapabilities method of the [sqlite3_io_methods]
** object returns an integer which is a vector of the these
** bit values expressing I/O characteristics of the mass storage
@@ -546,9 +563,9 @@
#define SQLITE_IOCAP_SAFE_APPEND 0x00000200
#define SQLITE_IOCAP_SEQUENTIAL 0x00000400
/*
-** CAPI3REF: File Locking Levels {F10250}
+** CAPI3REF: File Locking Levels {H10250} <H11120> <H11310>
**
** SQLite uses one of these integer values as the second
** argument to calls it makes to the xLock() and xUnlock() methods
** of an [sqlite3_io_methods] object.
@@ -559,9 +576,9 @@
#define SQLITE_LOCK_PENDING 3
#define SQLITE_LOCK_EXCLUSIVE 4
/*
-** CAPI3REF: Synchronization Type Flags {F10260}
+** CAPI3REF: Synchronization Type Flags {H10260} <H11120>
**
** When SQLite invokes the xSync() method of an
** [sqlite3_io_methods] object it uses a combination of
** these integer values as the second argument.
@@ -576,9 +593,9 @@
#define SQLITE_SYNC_FULL 0x00003
#define SQLITE_SYNC_DATAONLY 0x00010
/*
-** CAPI3REF: OS Interface Open File Handle {F11110}
+** CAPI3REF: OS Interface Open File Handle {H11110} <S20110>
**
** An [sqlite3_file] object represents an open file in the OS
** interface layer. Individual OS interface implementations will
** want to subclass this object by appending additional fields
@@ -591,9 +608,9 @@
const struct sqlite3_io_methods *pMethods; /* Methods for an open file */
};
/*
-** CAPI3REF: OS Interface File Virtual Methods Object {F11120}
+** CAPI3REF: OS Interface File Virtual Methods Object {H11120} <S20110>
**
** Every file opened by the [sqlite3_vfs] xOpen method populates an
** [sqlite3_file] object (or, more commonly, a subclass of the
** [sqlite3_file] object) with a pointer to an instance of this object.
@@ -684,9 +701,9 @@
/* Additional methods may be added in future releases */
};
/*
-** CAPI3REF: Standard File Control Opcodes {F11310}
+** CAPI3REF: Standard File Control Opcodes {H11310} <S30800>
**
** These integer constants are opcodes for the xFileControl method
** of the [sqlite3_io_methods] object and for the [sqlite3_file_control()]
** interface.
@@ -701,9 +718,9 @@
*/
#define SQLITE_FCNTL_LOCKSTATE 1
/*
-** CAPI3REF: Mutex Handle {F17110}
+** CAPI3REF: Mutex Handle {H17110} <S20130>
**
** The mutex module within SQLite defines [sqlite3_mutex] to be an
** abstract type for a mutex object. The SQLite core never looks
** at the internal representation of an [sqlite3_mutex]. It only
@@ -713,9 +730,9 @@
*/
typedef struct sqlite3_mutex sqlite3_mutex;
/*
-** CAPI3REF: OS Interface Object {F11140}
+** CAPI3REF: OS Interface Object {H11140} <S20100>
**
** An instance of the sqlite3_vfs object defines the interface between
** the SQLite core and the underlying operating system. The "vfs"
** in the name of the object stands for "virtual file system".
@@ -746,28 +763,28 @@
**
** The zName field holds the name of the VFS module. The name must
** be unique across all VFS modules.
**
-** {F11141} SQLite will guarantee that the zFilename parameter to xOpen
+** {H11141} SQLite will guarantee that the zFilename parameter to xOpen
** is either a NULL pointer or string obtained
** from xFullPathname(). SQLite further guarantees that
** the string will be valid and unchanged until xClose() is
-** called. {END} Becasue of the previous sentense,
+** called. {END} Because of the previous sentense,
** the [sqlite3_file] can safely store a pointer to the
** filename if it needs to remember the filename for some reason.
** If the zFilename parameter is xOpen is a NULL pointer then xOpen
** must invite its own temporary name for the file. Whenever the
** xFilename parameter is NULL it will also be the case that the
** flags parameter will include [SQLITE_OPEN_DELETEONCLOSE].
**
-** {F11142} The flags argument to xOpen() includes all bits set in
+** {H11142} The flags argument to xOpen() includes all bits set in
** the flags argument to [sqlite3_open_v2()]. Or if [sqlite3_open()]
** or [sqlite3_open16()] is used, then flags includes at least
** [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]. {END}
** If xOpen() opens a file read-only then it sets *pOutFlags to
** include [SQLITE_OPEN_READONLY]. Other bits in *pOutFlags may be set.
**
-** {F11143} SQLite will also add one of the following flags to the xOpen()
+** {H11143} SQLite will also add one of the following flags to the xOpen()
** call, depending on the object being opened:
**
** <ul>
** <li> [SQLITE_OPEN_MAIN_DB]
@@ -794,29 +811,29 @@
** <li> [SQLITE_OPEN_DELETEONCLOSE]
** <li> [SQLITE_OPEN_EXCLUSIVE]
** </ul>
**
-** {F11145} The [SQLITE_OPEN_DELETEONCLOSE] flag means the file should be
-** deleted when it is closed. {F11146} The [SQLITE_OPEN_DELETEONCLOSE]
+** {H11145} The [SQLITE_OPEN_DELETEONCLOSE] flag means the file should be
+** deleted when it is closed. {H11146} The [SQLITE_OPEN_DELETEONCLOSE]
** will be set for TEMP databases, journals and for subjournals.
**
-** {F11147} The [SQLITE_OPEN_EXCLUSIVE] flag means the file should be opened
+** {H11147} The [SQLITE_OPEN_EXCLUSIVE] flag means the file should be opened
** for exclusive access. This flag is set for all files except
** for the main database file.
**
-** {F11148} At least szOsFile bytes of memory are allocated by SQLite
+** {H11148} At least szOsFile bytes of memory are allocated by SQLite
** to hold the [sqlite3_file] structure passed as the third
** argument to xOpen. {END} The xOpen method does not have to
** allocate the structure; it should just fill it in.
**
-** {F11149} The flags argument to xAccess() may be [SQLITE_ACCESS_EXISTS]
+** {H11149} The flags argument to xAccess() may be [SQLITE_ACCESS_EXISTS]
** to test for the existence of a file, or [SQLITE_ACCESS_READWRITE] to
** test whether a file is readable and writable, or [SQLITE_ACCESS_READ]
** to test whether a file is at least readable. {END} The file can be a
** directory.
**
-** {F11150} SQLite will always allocate at least mxPathname+1 bytes for the
-** output buffer xFullPathname. {F11151} The exact size of the output buffer
+** {H11150} SQLite will always allocate at least mxPathname+1 bytes for the
+** output buffer xFullPathname. {H11151} The exact size of the output buffer
** is also passed as a parameter to both methods. {END} If the output buffer
** is not large enough, [SQLITE_CANTOPEN] should be returned. Since this is
** handled as a fatal error by SQLite, vfs implementations should endeavor
** to prevent this by setting mxPathname to a sufficiently large value.
@@ -856,26 +873,26 @@
** value will increment whenever this happens. */
};
/*
-** CAPI3REF: Flags for the xAccess VFS method {F11190}
-**
-** {F11191} These integer constants can be used as the third parameter to
+** CAPI3REF: Flags for the xAccess VFS method {H11190} <H11140>
+**
+** {H11191} These integer constants can be used as the third parameter to
** the xAccess method of an [sqlite3_vfs] object. {END} They determine
** what kind of permissions the xAccess method is looking for.
-** {F11192} With SQLITE_ACCESS_EXISTS, the xAccess method
+** {H11192} With SQLITE_ACCESS_EXISTS, the xAccess method
** simply checks whether the file exists.
-** {F11193} With SQLITE_ACCESS_READWRITE, the xAccess method
+** {H11193} With SQLITE_ACCESS_READWRITE, the xAccess method
** checks whether the file is both readable and writable.
-** {F11194} With SQLITE_ACCESS_READ, the xAccess method
+** {H11194} With SQLITE_ACCESS_READ, the xAccess method
** checks whether the file is readable.
*/
#define SQLITE_ACCESS_EXISTS 0
#define SQLITE_ACCESS_READWRITE 1
#define SQLITE_ACCESS_READ 2
/*
-** CAPI3REF: Initialize The SQLite Library {F10130}
+** CAPI3REF: Initialize The SQLite Library {H10130} <S20000><S30100>
**
** The sqlite3_initialize() routine initializes the
** SQLite library. The sqlite3_shutdown() routine
** deallocates any resources that were allocated by sqlite3_initialize().
@@ -890,26 +907,26 @@
** Among other things, sqlite3_initialize() shall invoke
** sqlite3_os_init(). Similarly, sqlite3_shutdown()
** shall invoke sqlite3_os_end().
**
-** The sqlite3_initialize() routine returns SQLITE_OK on success.
+** The sqlite3_initialize() routine returns [SQLITE_OK] on success.
** If for some reason, sqlite3_initialize() is unable to initialize
** the library (perhaps it is unable to allocate a needed resource such
-** as a mutex) it returns an [error code] other than SQLITE_OK.
+** as a mutex) it returns an [error code] other than [SQLITE_OK].
**
** The sqlite3_initialize() routine is called internally by many other
** SQLite interfaces so that an application usually does not need to
** invoke sqlite3_initialize() directly. For example, [sqlite3_open()]
** calls sqlite3_initialize() so the SQLite library will be automatically
** initialized when [sqlite3_open()] is called if it has not be initialized
-** already. However, if SQLite is compiled with the SQLITE_OMIT_AUTOINIT
+** already. However, if SQLite is compiled with the [SQLITE_OMIT_AUTOINIT]
** compile-time option, then the automatic calls to sqlite3_initialize()
** are omitted and the application must call sqlite3_initialize() directly
** prior to using any other SQLite interface. For maximum portability,
** it is recommended that applications always invoke sqlite3_initialize()
** directly prior to using any other SQLite interface. Future releases
** of SQLite may require this. In other words, the behavior exhibited
-** when SQLite is compiled with SQLITE_OMIT_AUTOINIT might become the
+** when SQLite is compiled with [SQLITE_OMIT_AUTOINIT] might become the
** default behavior in some future release of SQLite.
**
** The sqlite3_os_init() routine does operating-system specific
** initialization of the SQLite library. The sqlite3_os_end()
@@ -925,13 +942,13 @@
** interface is called automatically by sqlite3_initialize() and
** sqlite3_os_end() is called by sqlite3_shutdown(). Appropriate
** implementations for sqlite3_os_init() and sqlite3_os_end()
** are built into SQLite when it is compiled for unix, windows, or os/2.
-** When built for other platforms (using the SQLITE_OS_OTHER=1 compile-time
+** When built for other platforms (using the [SQLITE_OS_OTHER=1] compile-time
** option) the application must supply a suitable implementation for
** sqlite3_os_init() and sqlite3_os_end(). An application-supplied
** implementation of sqlite3_os_init() or sqlite3_os_end()
-** must return SQLITE_OK on success and some other [error code] upon
+** must return [SQLITE_OK] on success and some other [error code] upon
** failure.
*/
int sqlite3_initialize(void);
int sqlite3_shutdown(void);
@@ -938,9 +955,10 @@
int sqlite3_os_init(void);
int sqlite3_os_end(void);
/*
-** CAPI3REF: Configuring The SQLite Library {F10145}
+** CAPI3REF: Configuring The SQLite Library {H14100} <S20000><S30200>
+** EXPERIMENTAL
**
** The sqlite3_config() interface is used to make global configuration
** changes to SQLite in order to tune SQLite to the specific needs of
** the application. The default configuration is recommended for most
@@ -960,16 +978,159 @@
** what property of SQLite is to be configured. Subsequent arguments
** vary depending on the [SQLITE_CONFIG_SINGLETHREAD | configuration option]
** in the first argument.
**
-** When a configuration option is set, sqlite3_config() returns SQLITE_OK.
+** When a configuration option is set, sqlite3_config() returns [SQLITE_OK].
** If the option is unknown or SQLite is unable to set the option
** then this routine returns a non-zero [error code].
-*/
-int sqlite3_config(int, ...);
-
-/*
-** CAPI3REF: Memory Allocation Routines {F10155}
+**
+** INVARIANTS:
+**
+** {H14103} A successful invocation of [sqlite3_config()] shall return
+** [SQLITE_OK].
+**
+** {H14106} The [sqlite3_config()] interface shall return [SQLITE_MISUSE]
+** if it is invoked in between calls to [sqlite3_initialize()] and
+** [sqlite3_shutdown()].
+**
+** {H14120} A successful call to [sqlite3_config]([SQLITE_CONFIG_SINGLETHREAD])
+** shall set the default [threading mode] to Single-thread.
+**
+** {H14123} A successful call to [sqlite3_config]([SQLITE_CONFIG_MULTITHREAD])
+** shall set the default [threading mode] to Multi-thread.
+**
+** {H14126} A successful call to [sqlite3_config]([SQLITE_CONFIG_SERIALIZED])
+** shall set the default [threading mode] to Serialized.
+**
+** {H14129} A successful call to [sqlite3_config]([SQLITE_CONFIG_MUTEX],X)
+** where X is a pointer to an initialized [sqlite3_mutex_methods]
+** object shall cause all subsequent mutex operations performed
+** by SQLite to use the mutex methods that were present in X
+** during the call to [sqlite3_config()].
+**
+** {H14132} A successful call to [sqlite3_config]([SQLITE_CONFIG_GETMUTEX],X)
+** where X is a pointer to an [sqlite3_mutex_methods] object
+** shall overwrite the content of [sqlite3_mutex_methods] object
+** with the mutex methods currently in use by SQLite.
+**
+** {H14135} A successful call to [sqlite3_config]([SQLITE_CONFIG_MALLOC],M)
+** where M is a pointer to an initialized [sqlite3_mem_methods]
+** object shall cause all subsequent memory allocation operations
+** performed by SQLite to use the methods that were present in
+** M during the call to [sqlite3_config()].
+**
+** {H14138} A successful call to [sqlite3_config]([SQLITE_CONFIG_GETMALLOC],M)
+** where M is a pointer to an [sqlite3_mem_methods] object shall
+** overwrite the content of [sqlite3_mem_methods] object with
+** the memory allocation methods currently in use by
+** SQLite.
+**
+** {H14141} A successful call to [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],1)
+** shall enable the memory allocation status collection logic.
+**
+** {H14144} A successful call to [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],0)
+** shall disable the memory allocation status collection logic.
+**
+** {H14147} The memory allocation status collection logic shall be
+** enabled by default.
+**
+** {H14150} A successful call to [sqlite3_config]([SQLITE_CONFIG_SCRATCH],S,Z,N)
+** where Z and N are non-negative integers and
+** S is a pointer to an aligned memory buffer not less than
+** Z*N bytes in size shall cause S to be used by the
+** [scratch memory allocator] for as many as N simulataneous
+** allocations each of size Z.
+**
+** {H14153} A successful call to [sqlite3_config]([SQLITE_CONFIG_SCRATCH],S,Z,N)
+** where S is a NULL pointer shall disable the
+** [scratch memory allocator].
+**
+** {H14156} A successful call to
+** [sqlite3_config]([SQLITE_CONFIG_PAGECACHE],S,Z,N)
+** where Z and N are non-negative integers and
+** S is a pointer to an aligned memory buffer not less than
+** Z*N bytes in size shall cause S to be used by the
+** [pagecache memory allocator] for as many as N simulataneous
+** allocations each of size Z.
+**
+** {H14159} A successful call to
+** [sqlite3_config]([SQLITE_CONFIG_PAGECACHE],S,Z,N)
+** where S is a NULL pointer shall disable the
+** [pagecache memory allocator].
+**
+** {H14162} A successful call to [sqlite3_config]([SQLITE_CONFIG_HEAP],H,Z,N)
+** where Z and N are non-negative integers and
+** H is a pointer to an aligned memory buffer not less than
+** Z bytes in size shall enable the [memsys5] memory allocator
+** and cause it to use buffer S as its memory source and to use
+** a minimum allocation size of N.
+**
+** {H14165} A successful call to [sqlite3_config]([SQLITE_CONFIG_HEAP],H,Z,N)
+** where H is a NULL pointer shall disable the
+** [memsys5] memory allocator.
+**
+** {H14168} A successful call to [sqlite3_config]([SQLITE_CONFIG_LOOKASIDE],Z,N)
+** shall cause the default [lookaside memory allocator] configuration
+** for new [database connections] to be N slots of Z bytes each.
+*/
+SQLITE_EXPERIMENTAL int sqlite3_config(int, ...);
+
+/*
+** CAPI3REF: Configure database connections {H14200} <S20000>
+** EXPERIMENTAL
+**
+** The sqlite3_db_config() interface is used to make configuration
+** changes to a [database connection]. The interface is similar to
+** [sqlite3_config()] except that the changes apply to a single
+** [database connection] (specified in the first argument). The
+** sqlite3_db_config() interface can only be used immediately after
+** the database connection is created using [sqlite3_open()],
+** [sqlite3_open16()], or [sqlite3_open_v2()].
+**
+** The second argument to sqlite3_db_config(D,V,...) is the
+** configuration verb - an integer code that indicates what
+** aspect of the [database connection] is being configured.
+** The only choice for this value is [SQLITE_DBCONFIG_LOOKASIDE].
+** New verbs are likely to be added in future releases of SQLite.
+** Additional arguments depend on the verb.
+**
+** INVARIANTS:
+**
+** {H14203} A call to [sqlite3_db_config(D,V,...)] shall return [SQLITE_OK]
+** if and only if the call is successful.
+**
+** {H14206} If one or more slots of the [lookaside memory allocator] for
+** [database connection] D are in use, then a call to
+** [sqlite3_db_config](D,[SQLITE_DBCONFIG_LOOKASIDE],...) shall
+** fail with an [SQLITE_BUSY] return code.
+**
+** {H14209} A successful call to
+** [sqlite3_db_config](D,[SQLITE_DBCONFIG_LOOKASIDE],B,Z,N) where
+** D is an open [database connection] and Z and N are positive
+** integers and B is an aligned buffer at least Z*N bytes in size
+** shall cause the [lookaside memory allocator] for D to use buffer B
+** with N slots of Z bytes each.
+**
+** {H14212} A successful call to
+** [sqlite3_db_config](D,[SQLITE_DBCONFIG_LOOKASIDE],B,Z,N) where
+** D is an open [database connection] and Z and N are positive
+** integers and B is NULL pointer shall cause the
+** [lookaside memory allocator] for D to a obtain Z*N byte buffer
+** from the primary memory allocator and use that buffer
+** with N lookaside slots of Z bytes each.
+**
+** {H14215} A successful call to
+** [sqlite3_db_config](D,[SQLITE_DBCONFIG_LOOKASIDE],B,Z,N) where
+** D is an open [database connection] and Z and N are zero shall
+** disable the [lookaside memory allocator] for D.
+**
+**
+*/
+SQLITE_EXPERIMENTAL int sqlite3_db_config(sqlite3*, int op, ...);
+
+/*
+** CAPI3REF: Memory Allocation Routines {H10155} <S20120>
+** EXPERIMENTAL
**
** An instance of this object defines the interface between SQLite
** and low-level memory allocation routines.
**
@@ -1021,12 +1182,20 @@
void *pAppData; /* Argument to xInit() and xShutdown() */
};
/*
-** CAPI3REF: Configuration Options {F10160}
+** CAPI3REF: Configuration Options {H10160} <S20000>
+** EXPERIMENTAL
**
** These constants are the available integer configuration options that
** can be passed as the first argument to the [sqlite3_config()] interface.
+**
+** New configuration options may be added in future releases of SQLite.
+** Existing configuration options might be discontinued. Applications
+** should check the return code from [sqlite3_config()] to make sure that
+** the call worked. The [sqlite3_config()] interface will return a
+** non-zero [error code] if a discontinued or unsupported configuration option
+** is invoked.
**
** <dl>
** <dt>SQLITE_CONFIG_SINGLETHREAD</dt>
** <dd>There are no arguments to this option. This option disables
@@ -1038,9 +1207,11 @@
** mutexing on [database connection] and [prepared statement] objects.
** The application is responsible for serializing access to
** [database connections] and [prepared statements]. But other mutexes
** are enabled so that SQLite will be safe to use in a multi-threaded
-** environment.</dd>
+** environment as long as no two threads attempt to use the same
+** [database connection] at the same time. See the [threading mode]
+** documentation for additional information.</dd>
**
** <dt>SQLITE_CONFIG_SERIALIZED</dt>
** <dd>There are no arguments to this option. This option enables
** all mutexes including the recursive
@@ -1049,13 +1220,9 @@
** [SQLITE_THREADSAFE=1]) the SQLite library will itself serialize access
** to [database connections] and [prepared statements] so that the
** application is free to use the same [database connection] or the
** same [prepared statement] in different threads at the same time.
-**
-** <p>This configuration option merely sets the default mutex
-** behavior to serialize access to [database connections]. Individual
-** [database connections] can override this setting
-** using the [SQLITE_OPEN_NOMUTEX] flag to [sqlite3_open_v2()].</p></dd>
+** See the [threading mode] documentation for additional information.</dd>
**
** <dt>SQLITE_CONFIG_MALLOC</dt>
** <dd>This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mem_methods] structure. The argument specifies
@@ -1070,25 +1237,28 @@
** routines with a wrapper that simulations memory allocation failure or
** tracks memory usage, for example.</dd>
**
** <dt>SQLITE_CONFIG_MEMSTATUS</dt>
-** <dd>This option takes single boolean argument which enables or disables
-** the collection of memory allocation statistics. When disabled, the
-** following SQLite interfaces become non-operational:
+** <dd>This option takes single argument of type int, interpreted as a
+** boolean, which enables or disables the collection of memory allocation
+** statistics. When disabled, the following SQLite interfaces become
+** non-operational:
** <ul>
** <li> [sqlite3_memory_used()]
** <li> [sqlite3_memory_highwater()]
** <li> [sqlite3_soft_heap_limit()]
-** <li> sqlite3_memory_status()
+** <li> [sqlite3_status()]
** </ul>
** </dd>
**
** <dt>SQLITE_CONFIG_SCRATCH</dt>
** <dd>This option specifies a static memory buffer that SQLite can use for
** scratch memory. There are three arguments: A pointer to the memory, the
** size of each scratch buffer (sz), and the number of buffers (N). The sz
-** argument must be a multiple of 16. The first
-** argument should point to an allocation of at least (sz+4)*N bytes of memory.
+** argument must be a multiple of 16. The sz parameter should be a few bytes
+** larger than the actual scratch space required due internal overhead.
+** The first
+** argument should point to an allocation of at least sz*N bytes of memory.
** SQLite will use no more than one scratch buffer at once per thread, so
** N should be set to the expected maximum number of threads. The sz
** parameter should be 6 times the size of the largest database page size.
** Scratch buffers are used as part of the btree balance operation. If
@@ -1100,13 +1270,15 @@
** <dd>This option specifies a static memory buffer that SQLite can use for
** the database page cache. There are three arguments: A pointer to the
** memory, the size of each page buffer (sz), and the number of pages (N).
** The sz argument must be a power of two between 512 and 32768. The first
-** argument should point to an allocation of at least (sz+4)*N bytes of memory.
+** argument should point to an allocation of at least sz*N bytes of memory.
** SQLite will use the memory provided by the first argument to satisfy its
** memory needs for the first N pages that it adds to cache. If additional
** page cache memory is needed beyond what is provided by this option, then
-** SQLite goes to [sqlite3_malloc()] for the additional storage space.</dd>
+** SQLite goes to [sqlite3_malloc()] for the additional storage space.
+** The implementation might use one or more of the N buffers to hold
+** memory accounting information. </dd>
**
** <dt>SQLITE_CONFIG_HEAP</dt>
** <dd>This option specifies a static memory buffer that SQLite will use
** for all of its dynamic memory allocation needs beyond those provided
@@ -1133,8 +1305,16 @@
** structure is filled with the currently defined mutex routines.
** This option can be used to overload the default mutex allocation
** routines with a wrapper used to track mutex usage for performance
** profiling or testing, for example.</dd>
+**
+** <dt>SQLITE_CONFIG_LOOKASIDE</dt>
+** <dd>This option takes two arguments that determine the default
+** memory allcation lookaside optimization. The first argument is the
+** size of each lookaside buffer slot and the second is the number of
+** slots allocated to each database connection.</dd>
+**
+** </dl>
*/
#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */
#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */
#define SQLITE_CONFIG_SERIALIZED 3 /* nil */
@@ -1145,30 +1325,62 @@
#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */
#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */
#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */
#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */
-
-
-/*
-** CAPI3REF: Enable Or Disable Extended Result Codes {F12200}
+#define SQLITE_CONFIG_CHUNKALLOC 12 /* int threshold */
+#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */
+
+/*
+** CAPI3REF: Configuration Options {H10170} <S20000>
+** EXPERIMENTAL
+**
+** These constants are the available integer configuration options that
+** can be passed as the second argument to the [sqlite3_db_config()] interface.
+**
+** New configuration options may be added in future releases of SQLite.
+** Existing configuration options might be discontinued. Applications
+** should check the return code from [sqlite3_db_config()] to make sure that
+** the call worked. The [sqlite3_db_config()] interface will return a
+** non-zero [error code] if a discontinued or unsupported configuration option
+** is invoked.
+**
+** <dl>
+** <dt>SQLITE_DBCONFIG_LOOKASIDE</dt>
+** <dd>This option takes three additional arguments that determine the
+** [lookaside memory allocator] configuration for the [database connection].
+** The first argument (the third parameter to [sqlite3_db_config()] is a
+** pointer to a memory buffer to use for lookaside memory. The first
+** argument may be NULL in which case SQLite will allocate the lookaside
+** buffer itself using [sqlite3_malloc()]. The second argument is the
+** size of each lookaside buffer slot and the third argument is the number of
+** slots. The size of the buffer in the first argument must be greater than
+** or equal to the product of the second and third arguments.</dd>
+**
+** </dl>
+*/
+#define SQLITE_DBCONFIG_LOOKASIDE 1001 /* void* int int */
+
+
+/*
+** CAPI3REF: Enable Or Disable Extended Result Codes {H12200} <S10700>
**
** The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. The extended result
** codes are disabled by default for historical compatibility considerations.
**
** INVARIANTS:
**
-** {F12201} Each new [database connection] shall have the
+** {H12201} Each new [database connection] shall have the
** [extended result codes] feature disabled by default.
**
-** {F12202} The [sqlite3_extended_result_codes(D,F)] interface shall enable
+** {H12202} The [sqlite3_extended_result_codes(D,F)] interface shall enable
** [extended result codes] for the [database connection] D
** if the F parameter is true, or disable them if F is false.
*/
int sqlite3_extended_result_codes(sqlite3*, int onoff);
/*
-** CAPI3REF: Last Insert Rowid {F12220}
+** CAPI3REF: Last Insert Rowid {H12220} <S10700>
**
** Each entry in an SQLite table has a unique 64-bit signed
** integer key called the "rowid". The rowid is always available
** as an undeclared column named ROWID, OID, or _ROWID_ as long as those
@@ -1176,19 +1388,19 @@
** the table has a column of type INTEGER PRIMARY KEY then that column
** is another alias for the rowid.
**
** This routine returns the rowid of the most recent
-** successful INSERT into the database from the [database connection]
-** in the first argument. If no successful INSERTs
+** successful [INSERT] into the database from the [database connection]
+** in the first argument. If no successful [INSERT]s
** have ever occurred on that database connection, zero is returned.
**
-** If an INSERT occurs within a trigger, then the rowid of the inserted
+** If an [INSERT] occurs within a trigger, then the rowid of the inserted
** row is returned by this routine as long as the trigger is running.
** But once the trigger terminates, the value returned by this routine
** reverts to the last value inserted before the trigger fired.
**
-** An INSERT that fails due to a constraint violation is not a
-** successful INSERT and does not change the value returned by this
+** An [INSERT] that fails due to a constraint violation is not a
+** successful [INSERT] and does not change the value returned by this
** routine. Thus INSERT OR FAIL, INSERT OR IGNORE, INSERT OR ROLLBACK,
** and INSERT OR ABORT make no changes to the return value of this
** routine when their insertion fails. When INSERT OR REPLACE
** encounters a constraint violation, it does not fail. The
@@ -1195,25 +1407,26 @@
** INSERT continues to completion after deleting rows that caused
** the constraint problem so INSERT OR REPLACE will always change
** the return value of this interface.
**
-** For the purposes of this routine, an INSERT is considered to
+** For the purposes of this routine, an [INSERT] is considered to
** be successful even if it is subsequently rolled back.
**
** INVARIANTS:
**
-** {F12221} The [sqlite3_last_insert_rowid()] function returns the rowid
-** of the most recent successful INSERT performed on the same
+** {H12221} The [sqlite3_last_insert_rowid()] function shall return the rowid
+** of the most recent successful [INSERT] performed on the same
** [database connection] and within the same or higher level
-** trigger context, or zero if there have been no qualifying inserts.
-**
-** {F12223} The [sqlite3_last_insert_rowid()] function returns the
+** trigger context, or zero if there have been no qualifying
+** [INSERT] statements.
+**
+** {H12223} The [sqlite3_last_insert_rowid()] function shall return the
** same value when called from the same trigger context
-** immediately before and after a ROLLBACK.
-**
-** LIMITATIONS:
-**
-** {A12232} If a separate thread performs a new INSERT on the same
+** immediately before and after a [ROLLBACK].
+**
+** ASSUMPTIONS:
+**
+** {A12232} If a separate thread performs a new [INSERT] on the same
** database connection while the [sqlite3_last_insert_rowid()]
** function is running and thus changes the last insert rowid,
** then the value returned by [sqlite3_last_insert_rowid()] is
** unpredictable and might not equal either the old or the new
@@ -1221,15 +1434,15 @@
*/
sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*);
/*
-** CAPI3REF: Count The Number Of Rows Modified {F12240}
+** CAPI3REF: Count The Number Of Rows Modified {H12240} <S10600>
**
** This function returns the number of database rows that were changed
** or inserted or deleted by the most recently completed SQL statement
** on the [database connection] specified by the first parameter.
-** Only changes that are directly specified by the INSERT, UPDATE,
-** or DELETE statement are counted. Auxiliary changes caused by
+** Only changes that are directly specified by the [INSERT], [UPDATE],
+** or [DELETE] statement are counted. Auxiliary changes caused by
** triggers are not counted. Use the [sqlite3_total_changes()] function
** to find the total number of changes including changes caused by triggers.
**
** A "row change" is a change to a single row of a single table
@@ -1261,30 +1474,32 @@
** However, the number returned does not include changes
** caused by subtriggers since those have their own context.
**
** SQLite implements the command "DELETE FROM table" without a WHERE clause
-** by dropping and recreating the table. (This is much faster than going
-** through and deleting individual elements from the table.) Because of this
+** by dropping and recreating the table. Doing so is much faster than going
+** through and deleting individual elements from the table. Because of this
** optimization, the deletions in "DELETE FROM table" are not row changes and
** will not be counted by the sqlite3_changes() or [sqlite3_total_changes()]
** functions, regardless of the number of elements that were originally
** in the table. To get an accurate count of the number of rows deleted, use
-** "DELETE FROM table WHERE 1" instead.
-**
-** INVARIANTS:
-**
-** {F12241} The [sqlite3_changes()] function shall return the number of
+** "DELETE FROM table WHERE 1" instead. Or recompile using the
+** [SQLITE_OMIT_TRUNCATE_OPTIMIZATION] compile-time option to disable the
+** optimization on all queries.
+**
+** INVARIANTS:
+**
+** {H12241} The [sqlite3_changes()] function shall return the number of
** row changes caused by the most recent INSERT, UPDATE,
** or DELETE statement on the same database connection and
** within the same or higher trigger context, or zero if there have
** not been any qualifying row changes.
**
-** {F12243} Statements of the form "DELETE FROM tablename" with no
+** {H12243} Statements of the form "DELETE FROM tablename" with no
** WHERE clause shall cause subsequent calls to
** [sqlite3_changes()] to return zero, regardless of the
** number of rows originally in the table.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12252} If a separate thread makes changes on the same database connection
** while [sqlite3_changes()] is running then the value returned
** is unpredictable and not meaningful.
@@ -1291,9 +1506,9 @@
*/
int sqlite3_changes(sqlite3*);
/*
-** CAPI3REF: Total Number Of Rows Modified {F12260}
+** CAPI3REF: Total Number Of Rows Modified {H12260} <S10600>
**
** This function returns the number of row changes caused by INSERT,
** UPDATE or DELETE statements since the [database connection] was opened.
** The count includes all changes from all trigger contexts. However,
@@ -1309,24 +1524,26 @@
** optimization, the deletions in "DELETE FROM table" are not row changes and
** will not be counted by the sqlite3_changes() or [sqlite3_total_changes()]
** functions, regardless of the number of elements that were originally
** in the table. To get an accurate count of the number of rows deleted, use
-** "DELETE FROM table WHERE 1" instead.
+** "DELETE FROM table WHERE 1" instead. Or recompile using the
+** [SQLITE_OMIT_TRUNCATE_OPTIMIZATION] compile-time option to disable the
+** optimization on all queries.
**
** See also the [sqlite3_changes()] interface.
**
** INVARIANTS:
**
-** {F12261} The [sqlite3_total_changes()] returns the total number
+** {H12261} The [sqlite3_total_changes()] returns the total number
** of row changes caused by INSERT, UPDATE, and/or DELETE
** statements on the same [database connection], in any
** trigger context, since the database connection was created.
**
-** {F12263} Statements of the form "DELETE FROM tablename" with no
+** {H12263} Statements of the form "DELETE FROM tablename" with no
** WHERE clause shall not change the value returned
** by [sqlite3_total_changes()].
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12264} If a separate thread makes changes on the same database connection
** while [sqlite3_total_changes()] is running then the value
** returned is unpredictable and not meaningful.
@@ -1333,9 +1550,9 @@
*/
int sqlite3_total_changes(sqlite3*);
/*
-** CAPI3REF: Interrupt A Long-Running Query {F12270}
+** CAPI3REF: Interrupt A Long-Running Query {H12270} <S30500>
**
** This function causes any pending database operation to abort and
** return at its earliest opportunity. This routine is typically
** called in response to a user action such as pressing "Cancel"
@@ -1360,24 +1577,24 @@
** that are started after sqlite3_interrupt() returns.
**
** INVARIANTS:
**
-** {F12271} The [sqlite3_interrupt()] interface will force all running
+** {H12271} The [sqlite3_interrupt()] interface will force all running
** SQL statements associated with the same database connection
** to halt after processing at most one additional row of data.
**
-** {F12272} Any SQL statement that is interrupted by [sqlite3_interrupt()]
+** {H12272} Any SQL statement that is interrupted by [sqlite3_interrupt()]
** will return [SQLITE_INTERRUPT].
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12279} If the database connection closes while [sqlite3_interrupt()]
** is running then bad things will likely happen.
*/
void sqlite3_interrupt(sqlite3*);
/*
-** CAPI3REF: Determine If An SQL Statement Is Complete {F10510}
+** CAPI3REF: Determine If An SQL Statement Is Complete {H10510} <S70200>
**
** These routines are useful for command-line input to determine if the
** currently entered text seems to form complete a SQL statement or
** if additional input is needed before sending the text into
@@ -1393,19 +1610,19 @@
** will not detect syntactically incorrect SQL.
**
** INVARIANTS:
**
-** {F10511} A successful evaluation of [sqlite3_complete()] or
+** {H10511} A successful evaluation of [sqlite3_complete()] or
** [sqlite3_complete16()] functions shall
** return a numeric 1 if and only if the last non-whitespace
** token in their input is a semicolon that is not in between
** the BEGIN and END of a CREATE TRIGGER statement.
**
-** {F10512} If a memory allocation error occurs during an invocation
+** {H10512} If a memory allocation error occurs during an invocation
** of [sqlite3_complete()] or [sqlite3_complete16()] then the
** routine shall return [SQLITE_NOMEM].
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A10512} The input to [sqlite3_complete()] must be a zero-terminated
** UTF-8 string.
**
@@ -1415,9 +1632,9 @@
int sqlite3_complete(const char *sql);
int sqlite3_complete16(const void *sql);
/*
-** CAPI3REF: Register A Callback To Handle SQLITE_BUSY Errors {F12310}
+** CAPI3REF: Register A Callback To Handle SQLITE_BUSY Errors {H12310} <S40400>
**
** This routine sets a callback function that might be invoked whenever
** an attempt is made to open a database table that another thread
** or process has locked.
@@ -1471,44 +1688,48 @@
** [database connection]. Setting a new busy handler clears any
** previously set handler. Note that calling [sqlite3_busy_timeout()]
** will also set or clear the busy handler.
**
-** INVARIANTS:
-**
-** {F12311} The [sqlite3_busy_handler(D,C,A)] function shall replace
+** The busy callback should not take any actions which modify the
+** database connection that invoked the busy handler. Any such actions
+** result in undefined behavior.
+**
+** INVARIANTS:
+**
+** {H12311} The [sqlite3_busy_handler(D,C,A)] function shall replace
** busy callback in the [database connection] D with a new
** a new busy handler C and application data pointer A.
**
-** {F12312} Newly created [database connections] shall have a busy
+** {H12312} Newly created [database connections] shall have a busy
** handler of NULL.
**
-** {F12314} When two or more [database connections] share a
+** {H12314} When two or more [database connections] share a
** [sqlite3_enable_shared_cache | common cache],
** the busy handler for the database connection currently using
** the cache shall be invoked when the cache encounters a lock.
**
-** {F12316} If a busy handler callback returns zero, then the SQLite interface
+** {H12316} If a busy handler callback returns zero, then the SQLite interface
** that provoked the locking event shall return [SQLITE_BUSY].
**
-** {F12318} SQLite shall invokes the busy handler with two arguments which
+** {H12318} SQLite shall invokes the busy handler with two arguments which
** are a copy of the pointer supplied by the 3rd parameter to
** [sqlite3_busy_handler()] and a count of the number of prior
** invocations of the busy handler for the same locking event.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12319} A busy handler must not close the database connection
** or [prepared statement] that invoked the busy handler.
*/
int sqlite3_busy_handler(sqlite3*, int(*)(void*,int), void*);
/*
-** CAPI3REF: Set A Busy Timeout {F12340}
+** CAPI3REF: Set A Busy Timeout {H12340} <S40410>
**
** This routine sets a [sqlite3_busy_handler | busy handler] that sleeps
** for a specified amount of time when a table is locked. The handler
** will sleep multiple times until at least "ms" milliseconds of sleeping
-** have accumulated. {F12343} After "ms" milliseconds of sleeping,
+** have accumulated. {H12343} After "ms" milliseconds of sleeping,
** the handler returns 0 which causes [sqlite3_step()] to return
** [SQLITE_BUSY] or [SQLITE_IOERR_BLOCKED].
**
** Calling this routine with an argument less than or equal to zero
@@ -1520,17 +1741,17 @@
** this routine, that other busy handler is cleared.
**
** INVARIANTS:
**
-** {F12341} The [sqlite3_busy_timeout()] function shall override any prior
+** {H12341} The [sqlite3_busy_timeout()] function shall override any prior
** [sqlite3_busy_timeout()] or [sqlite3_busy_handler()] setting
** on the same [database connection].
**
-** {F12343} If the 2nd parameter to [sqlite3_busy_timeout()] is less than
+** {H12343} If the 2nd parameter to [sqlite3_busy_timeout()] is less than
** or equal to zero, then the busy handler shall be cleared so that
** all subsequent locking events immediately return [SQLITE_BUSY].
**
-** {F12344} If the 2nd parameter to [sqlite3_busy_timeout()] is a positive
+** {H12344} If the 2nd parameter to [sqlite3_busy_timeout()] is a positive
** number N, then a busy handler shall be set that repeatedly calls
** the xSleep() method in the [sqlite3_vfs | VFS interface] until
** either the lock clears or until the cumulative sleep time
** reported back by xSleep() exceeds N milliseconds.
@@ -1537,9 +1758,9 @@
*/
int sqlite3_busy_timeout(sqlite3*, int ms);
/*
-** CAPI3REF: Convenience Routines For Running Queries {F12370}
+** CAPI3REF: Convenience Routines For Running Queries {H12370} <S10000>
**
** Definition: A <b>result table</b> is memory data structure created by the
** [sqlite3_get_table()] interface. A result table records the
** complete query results from one or more queries.
@@ -1606,34 +1827,34 @@
** reflected in subsequent calls to [sqlite3_errcode()] or [sqlite3_errmsg()].
**
** INVARIANTS:
**
-** {F12371} If a [sqlite3_get_table()] fails a memory allocation, then
+** {H12371} If a [sqlite3_get_table()] fails a memory allocation, then
** it shall free the result table under construction, abort the
** query in process, skip any subsequent queries, set the
** *pazResult output pointer to NULL and return [SQLITE_NOMEM].
**
-** {F12373} If the pnColumn parameter to [sqlite3_get_table()] is not NULL
+** {H12373} If the pnColumn parameter to [sqlite3_get_table()] is not NULL
** then a successful invocation of [sqlite3_get_table()] shall
** write the number of columns in the
** result set of the query into *pnColumn.
**
-** {F12374} If the pnRow parameter to [sqlite3_get_table()] is not NULL
+** {H12374} If the pnRow parameter to [sqlite3_get_table()] is not NULL
** then a successful invocation of [sqlite3_get_table()] shall
** writes the number of rows in the
** result set of the query into *pnRow.
**
-** {F12376} A successful invocation of [sqlite3_get_table()] that computes
+** {H12376} A successful invocation of [sqlite3_get_table()] that computes
** N rows of result with C columns per row shall make *pazResult
** point to an array of pointers to (N+1)*C strings where the first
** C strings are column names as obtained from
** [sqlite3_column_name()] and the rest are column result values
** obtained from [sqlite3_column_text()].
**
-** {F12379} The values in the pazResult array returned by [sqlite3_get_table()]
+** {H12379} The values in the pazResult array returned by [sqlite3_get_table()]
** shall remain valid until cleared by [sqlite3_free_table()].
**
-** {F12382} When an error occurs during evaluation of [sqlite3_get_table()]
+** {H12382} When an error occurs during evaluation of [sqlite3_get_table()]
** the function shall set *pazResult to NULL, write an error message
** into memory obtained from [sqlite3_malloc()], make
** **pzErrmsg point to that error message, and return a
** appropriate [error code].
@@ -1648,9 +1869,9 @@
);
void sqlite3_free_table(char **result);
/*
-** CAPI3REF: Formatted String Printing Functions {F17400}
+** CAPI3REF: Formatted String Printing Functions {H17400} <S70000><S20000>
**
** These routines are workalikes of the "printf()" family of functions
** from the standard C library.
**
@@ -1741,18 +1962,18 @@
** the result, [sqlite3_free()] is called on the input string. {END}
**
** INVARIANTS:
**
-** {F17403} The [sqlite3_mprintf()] and [sqlite3_vmprintf()] interfaces
+** {H17403} The [sqlite3_mprintf()] and [sqlite3_vmprintf()] interfaces
** return either pointers to zero-terminated UTF-8 strings held in
** memory obtained from [sqlite3_malloc()] or NULL pointers if
** a call to [sqlite3_malloc()] fails.
**
-** {F17406} The [sqlite3_snprintf()] interface writes a zero-terminated
+** {H17406} The [sqlite3_snprintf()] interface writes a zero-terminated
** UTF-8 string into the buffer pointed to by the second parameter
** provided that the first parameter is greater than zero.
**
-** {F17407} The [sqlite3_snprintf()] interface does not write slots of
+** {H17407} The [sqlite3_snprintf()] interface does not write slots of
** its output buffer (the second parameter) outside the range
** of 0 through N-1 (where N is the first parameter)
** regardless of the length of the string
** requested by the format specification.
@@ -1761,9 +1982,9 @@
char *sqlite3_vmprintf(const char*, va_list);
char *sqlite3_snprintf(int,char*,const char*, ...);
/*
-** CAPI3REF: Memory Allocation Subsystem {F17300}
+** CAPI3REF: Memory Allocation Subsystem {H17300} <S20000>
**
** The SQLite core uses these three routines for all of its own
** internal memory allocation needs. "Core" in the previous sentence
** does not include operating-system specific VFS implementation. The
@@ -1784,9 +2005,9 @@
** should neither be read nor written. Even reading previously freed
** memory might result in a segmentation fault or other severe error.
** Memory corruption, a segmentation fault, or other severe error
** might result if sqlite3_free() is called with a non-NULL pointer that
-** was not obtained from sqlite3_malloc() or sqlite3_free().
+** was not obtained from sqlite3_malloc() or sqlite3_realloc().
**
** The sqlite3_realloc() interface attempts to resize a
** prior memory allocation to be at least N bytes, where N is the
** second parameter. The memory allocation to be resized is the first
@@ -1808,9 +2029,9 @@
** is always aligned to at least an 8 byte boundary. {END}
**
** The default implementation of the memory allocation subsystem uses
** the malloc(), realloc() and free() provided by the standard C library.
-** {F17382} However, if SQLite is compiled with the
+** {H17382} However, if SQLite is compiled with the
** SQLITE_MEMORY_SIZE=<i>NNN</i> C preprocessor macro (where <i>NNN</i>
** is an integer), then SQLite create a static array of at least
** <i>NNN</i> bytes in size and uses that array for all of its dynamic
** memory allocation needs. {END} Additional memory allocator options
@@ -1830,48 +2051,48 @@
** [SQLITE_IOERR] rather than [SQLITE_NOMEM].
**
** INVARIANTS:
**
-** {F17303} The [sqlite3_malloc(N)] interface returns either a pointer to
+** {H17303} The [sqlite3_malloc(N)] interface returns either a pointer to
** a newly checked-out block of at least N bytes of memory
** that is 8-byte aligned, or it returns NULL if it is unable
** to fulfill the request.
**
-** {F17304} The [sqlite3_malloc(N)] interface returns a NULL pointer if
+** {H17304} The [sqlite3_malloc(N)] interface returns a NULL pointer if
** N is less than or equal to zero.
**
-** {F17305} The [sqlite3_free(P)] interface releases memory previously
+** {H17305} The [sqlite3_free(P)] interface releases memory previously
** returned from [sqlite3_malloc()] or [sqlite3_realloc()],
** making it available for reuse.
**
-** {F17306} A call to [sqlite3_free(NULL)] is a harmless no-op.
-**
-** {F17310} A call to [sqlite3_realloc(0,N)] is equivalent to a call
+** {H17306} A call to [sqlite3_free(NULL)] is a harmless no-op.
+**
+** {H17310} A call to [sqlite3_realloc(0,N)] is equivalent to a call
** to [sqlite3_malloc(N)].
**
-** {F17312} A call to [sqlite3_realloc(P,0)] is equivalent to a call
+** {H17312} A call to [sqlite3_realloc(P,0)] is equivalent to a call
** to [sqlite3_free(P)].
**
-** {F17315} The SQLite core uses [sqlite3_malloc()], [sqlite3_realloc()],
+** {H17315} The SQLite core uses [sqlite3_malloc()], [sqlite3_realloc()],
** and [sqlite3_free()] for all of its memory allocation and
** deallocation needs.
**
-** {F17318} The [sqlite3_realloc(P,N)] interface returns either a pointer
+** {H17318} The [sqlite3_realloc(P,N)] interface returns either a pointer
** to a block of checked-out memory of at least N bytes in size
** that is 8-byte aligned, or a NULL pointer.
**
-** {F17321} When [sqlite3_realloc(P,N)] returns a non-NULL pointer, it first
+** {H17321} When [sqlite3_realloc(P,N)] returns a non-NULL pointer, it first
** copies the first K bytes of content from P into the newly
** allocated block, where K is the lesser of N and the size of
** the buffer P.
**
-** {F17322} When [sqlite3_realloc(P,N)] returns a non-NULL pointer, it first
+** {H17322} When [sqlite3_realloc(P,N)] returns a non-NULL pointer, it first
** releases the buffer P.
**
-** {F17323} When [sqlite3_realloc(P,N)] returns NULL, the buffer P is
+** {H17323} When [sqlite3_realloc(P,N)] returns NULL, the buffer P is
** not modified or released.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A17350} The pointer arguments to [sqlite3_free()] and [sqlite3_realloc()]
** must be either NULL or else pointers obtained from a prior
** invocation of [sqlite3_malloc()] or [sqlite3_realloc()] that have
@@ -1885,30 +2106,30 @@
void *sqlite3_realloc(void*, int);
void sqlite3_free(void*);
/*
-** CAPI3REF: Memory Allocator Statistics {F17370}
+** CAPI3REF: Memory Allocator Statistics {H17370} <S30210>
**
** SQLite provides these two interfaces for reporting on the status
** of the [sqlite3_malloc()], [sqlite3_free()], and [sqlite3_realloc()]
** routines, which form the built-in memory allocation subsystem.
**
** INVARIANTS:
**
-** {F17371} The [sqlite3_memory_used()] routine returns the number of bytes
+** {H17371} The [sqlite3_memory_used()] routine returns the number of bytes
** of memory currently outstanding (malloced but not freed).
**
-** {F17373} The [sqlite3_memory_highwater()] routine returns the maximum
+** {H17373} The [sqlite3_memory_highwater()] routine returns the maximum
** value of [sqlite3_memory_used()] since the high-water mark
** was last reset.
**
-** {F17374} The values returned by [sqlite3_memory_used()] and
+** {H17374} The values returned by [sqlite3_memory_used()] and
** [sqlite3_memory_highwater()] include any overhead
** added by SQLite in its implementation of [sqlite3_malloc()],
** but not overhead added by the any underlying system library
** routines that [sqlite3_malloc()] may call.
**
-** {F17375} The memory high-water mark is reset to the current value of
+** {H17375} The memory high-water mark is reset to the current value of
** [sqlite3_memory_used()] if and only if the parameter to
** [sqlite3_memory_highwater()] is true. The value returned
** by [sqlite3_memory_highwater(1)] is the high-water mark
** prior to the reset.
@@ -1916,9 +2137,9 @@
sqlite3_int64 sqlite3_memory_used(void);
sqlite3_int64 sqlite3_memory_highwater(int resetFlag);
/*
-** CAPI3REF: Pseudo-Random Number Generator {F17390}
+** CAPI3REF: Pseudo-Random Number Generator {H17390} <S20000>
**
** SQLite contains a high-quality pseudo-random number generator (PRNG) used to
** select random ROWIDs when inserting new records into a table that
** already uses the largest possible ROWID. The PRNG is also used for
@@ -1935,15 +2156,15 @@
** method.
**
** INVARIANTS:
**
-** {F17392} The [sqlite3_randomness(N,P)] interface writes N bytes of
+** {H17392} The [sqlite3_randomness(N,P)] interface writes N bytes of
** high-quality pseudo-randomness into buffer P.
*/
void sqlite3_randomness(int N, void *P);
/*
-** CAPI3REF: Compile-Time Authorization Callbacks {F12500}
+** CAPI3REF: Compile-Time Authorization Callbacks {H12500} <S70100>
**
** This routine registers a authorizer callback with a particular
** [database connection], supplied in the first argument.
** The authorizer callback is invoked as SQL statements are being compiled
@@ -1999,63 +2220,73 @@
** at a time. Each call to sqlite3_set_authorizer overrides the
** previous call. Disable the authorizer by installing a NULL callback.
** The authorizer is disabled by default.
**
+** The authorizer callback must not do anything that will modify
+** the database connection that invoked the authorizer callback.
+** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
+** database connections for the meaning of "modify" in this paragraph.
+**
+** When [sqlite3_prepare_v2()] is used to prepare a statement, the
+** statement might be reprepared during [sqlite3_step()] due to a
+** schema change. Hence, the application should ensure that the
+** correct authorizer callback remains in place during the [sqlite3_step()].
+**
** Note that the authorizer callback is invoked only during
** [sqlite3_prepare()] or its variants. Authorization is not
** performed during statement evaluation in [sqlite3_step()].
**
** INVARIANTS:
**
-** {F12501} The [sqlite3_set_authorizer(D,...)] interface registers a
+** {H12501} The [sqlite3_set_authorizer(D,...)] interface registers a
** authorizer callback with database connection D.
**
-** {F12502} The authorizer callback is invoked as SQL statements are
-** being compiled.
-**
-** {F12503} If the authorizer callback returns any value other than
+** {H12502} The authorizer callback is invoked as SQL statements are
+** being parseed and compiled.
+**
+** {H12503} If the authorizer callback returns any value other than
** [SQLITE_IGNORE], [SQLITE_OK], or [SQLITE_DENY], then
-** the [sqlite3_prepare_v2()] or equivalent call that caused
+** the application interface call that caused
** the authorizer callback to run shall fail with an
** [SQLITE_ERROR] error code and an appropriate error message.
**
-** {F12504} When the authorizer callback returns [SQLITE_OK], the operation
+** {H12504} When the authorizer callback returns [SQLITE_OK], the operation
** described is processed normally.
**
-** {F12505} When the authorizer callback returns [SQLITE_DENY], the
-** [sqlite3_prepare_v2()] or equivalent call that caused the
+** {H12505} When the authorizer callback returns [SQLITE_DENY], the
+** application interface call that caused the
** authorizer callback to run shall fail
** with an [SQLITE_ERROR] error code and an error message
** explaining that access is denied.
**
-** {F12506} If the authorizer code (the 2nd parameter to the authorizer
+** {H12506} If the authorizer code (the 2nd parameter to the authorizer
** callback) is [SQLITE_READ] and the authorizer callback returns
** [SQLITE_IGNORE], then the prepared statement is constructed to
** insert a NULL value in place of the table column that would have
** been read if [SQLITE_OK] had been returned.
**
-** {F12507} If the authorizer code (the 2nd parameter to the authorizer
+** {H12507} If the authorizer code (the 2nd parameter to the authorizer
** callback) is anything other than [SQLITE_READ], then
** a return of [SQLITE_IGNORE] has the same effect as [SQLITE_DENY].
**
-** {F12510} The first parameter to the authorizer callback is a copy of
+** {H12510} The first parameter to the authorizer callback is a copy of
** the third parameter to the [sqlite3_set_authorizer()] interface.
**
-** {F12511} The second parameter to the callback is an integer
+** {H12511} The second parameter to the callback is an integer
** [SQLITE_COPY | action code] that specifies the particular action
** to be authorized.
**
-** {F12512} The third through sixth parameters to the callback are
+** {H12512} The third through sixth parameters to the callback are
** zero-terminated strings that contain
** additional details about the action to be authorized.
**
-** {F12520} Each call to [sqlite3_set_authorizer()] overrides
+** {H12520} Each call to [sqlite3_set_authorizer()] overrides
** any previously installed authorizer.
**
-** {F12521} A NULL authorizer means that no authorization
+** {H12521} A NULL authorizer means that no authorization
** callback is invoked.
**
-** {F12522} The default authorizer is NULL.
+** {H12522} The default authorizer is NULL.
*/
int sqlite3_set_authorizer(
sqlite3*,
int (*xAuth)(void*,int,const char*,const char*,const char*,const char*),
@@ -2062,9 +2293,9 @@
void *pUserData
);
/*
-** CAPI3REF: Authorizer Return Codes {F12590}
+** CAPI3REF: Authorizer Return Codes {H12590} <H12500>
**
** The [sqlite3_set_authorizer | authorizer callback function] must
** return either [SQLITE_OK] or one of these two constants in order
** to signal SQLite whether or not the action is permitted. See the
@@ -2074,9 +2305,9 @@
#define SQLITE_DENY 1 /* Abort the SQL statement with an error */
#define SQLITE_IGNORE 2 /* Don't allow access, but don't generate an error */
/*
-** CAPI3REF: Authorizer Action Codes {F12550}
+** CAPI3REF: Authorizer Action Codes {H12550} <H12500>
**
** The [sqlite3_set_authorizer()] interface registers a callback function
** that is invoked to authorize certain SQL statement actions. The
** second parameter to the callback is an integer code that specifies
@@ -2094,24 +2325,24 @@
** top-level SQL code.
**
** INVARIANTS:
**
-** {F12551} The second parameter to an
-** [sqlite3_set_authorizer | authorizer callback] is always an integer
+** {H12551} The second parameter to an
+** [sqlite3_set_authorizer | authorizer callback] shall be an integer
** [SQLITE_COPY | authorizer code] that specifies what action
** is being authorized.
**
-** {F12552} The 3rd and 4th parameters to the
+** {H12552} The 3rd and 4th parameters to the
** [sqlite3_set_authorizer | authorization callback]
-** will be parameters or NULL depending on which
+** shall be parameters or NULL depending on which
** [SQLITE_COPY | authorizer code] is used as the second parameter.
**
-** {F12553} The 5th parameter to the
-** [sqlite3_set_authorizer | authorizer callback] is the name
+** {H12553} The 5th parameter to the
+** [sqlite3_set_authorizer | authorizer callback] shall be the name
** of the database (example: "main", "temp", etc.) if applicable.
**
-** {F12554} The 6th parameter to the
-** [sqlite3_set_authorizer | authorizer callback] is the name
+** {H12554} The 6th parameter to the
+** [sqlite3_set_authorizer | authorizer callback] shall be the name
** of the inner-most trigger or view that is responsible for
** the access attempt or NULL if this access attempt is directly from
** top-level SQL code.
*/
@@ -2149,9 +2380,10 @@
#define SQLITE_FUNCTION 31 /* Function Name NULL */
#define SQLITE_COPY 0 /* No longer used */
/*
-** CAPI3REF: Tracing And Profiling Functions {F12280}
+** CAPI3REF: Tracing And Profiling Functions {H12280} <S60400>
+** EXPERIMENTAL
**
** These routines register callback functions that can be used for
** tracing and profiling the execution of SQL statements.
**
@@ -2166,57 +2398,50 @@
** as each SQL statement finishes. The profile callback contains
** the original statement text and an estimate of wall-clock time
** of how long that statement took to run.
**
-** The sqlite3_profile() API is currently considered experimental and
-** is subject to change or removal in a future release.
-**
-** The trigger reporting feature of the trace callback is considered
-** experimental and is subject to change or removal in future releases.
-** Future versions of SQLite might also add new trace callback
-** invocations.
-**
-** INVARIANTS:
-**
-** {F12281} The callback function registered by [sqlite3_trace()] is
+** INVARIANTS:
+**
+** {H12281} The callback function registered by [sqlite3_trace()]
+** shall be invoked
** whenever an SQL statement first begins to execute and
** whenever a trigger subprogram first begins to run.
**
-** {F12282} Each call to [sqlite3_trace()] overrides the previously
+** {H12282} Each call to [sqlite3_trace()] shall override the previously
** registered trace callback.
**
-** {F12283} A NULL trace callback disables tracing.
-**
-** {F12284} The first argument to the trace callback is a copy of
+** {H12283} A NULL trace callback shall disable tracing.
+**
+** {H12284} The first argument to the trace callback shall be a copy of
** the pointer which was the 3rd argument to [sqlite3_trace()].
**
-** {F12285} The second argument to the trace callback is a
+** {H12285} The second argument to the trace callback is a
** zero-terminated UTF-8 string containing the original text
** of the SQL statement as it was passed into [sqlite3_prepare_v2()]
** or the equivalent, or an SQL comment indicating the beginning
** of a trigger subprogram.
**
-** {F12287} The callback function registered by [sqlite3_profile()] is invoked
+** {H12287} The callback function registered by [sqlite3_profile()] is invoked
** as each SQL statement finishes.
**
-** {F12288} The first parameter to the profile callback is a copy of
+** {H12288} The first parameter to the profile callback is a copy of
** the 3rd parameter to [sqlite3_profile()].
**
-** {F12289} The second parameter to the profile callback is a
+** {H12289} The second parameter to the profile callback is a
** zero-terminated UTF-8 string that contains the complete text of
** the SQL statement as it was processed by [sqlite3_prepare_v2()]
** or the equivalent.
**
-** {F12290} The third parameter to the profile callback is an estimate
+** {H12290} The third parameter to the profile callback is an estimate
** of the number of nanoseconds of wall-clock time required to
** run the SQL statement from start to finish.
*/
-void *sqlite3_trace(sqlite3*, void(*xTrace)(void*,const char*), void*);
-void *sqlite3_profile(sqlite3*,
+SQLITE_EXPERIMENTAL void *sqlite3_trace(sqlite3*, void(*xTrace)(void*,const char*), void*);
+SQLITE_EXPERIMENTAL void *sqlite3_profile(sqlite3*,
void(*xProfile)(void*,const char*,sqlite3_uint64), void*);
/*
-** CAPI3REF: Query Progress Callbacks {F12910}
+** CAPI3REF: Query Progress Callbacks {H12910} <S60400>
**
** This routine configures a callback function - the
** progress callback - that is invoked periodically during long
** running calls to [sqlite3_exec()], [sqlite3_step()] and
@@ -2224,45 +2449,51 @@
** interface is to keep a GUI updated during a large query.
**
** If the progress callback returns non-zero, the operation is
** interrupted. This feature can be used to implement a
-** "Cancel" button on a GUI dialog box.
-**
-** INVARIANTS:
-**
-** {F12911} The callback function registered by sqlite3_progress_handler()
+** "Cancel" button on a GUI progress dialog box.
+**
+** The progress handler must not do anything that will modify
+** the database connection that invoked the progress handler.
+** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
+** database connections for the meaning of "modify" in this paragraph.
+**
+** INVARIANTS:
+**
+** {H12911} The callback function registered by sqlite3_progress_handler()
** is invoked periodically during long running calls to
** [sqlite3_step()].
**
-** {F12912} The progress callback is invoked once for every N virtual
+** {H12912} The progress callback is invoked once for every N virtual
** machine opcodes, where N is the second argument to
** the [sqlite3_progress_handler()] call that registered
** the callback. If N is less than 1, sqlite3_progress_handler()
** acts as if a NULL progress handler had been specified.
**
-** {F12913} The progress callback itself is identified by the third
+** {H12913} The progress callback itself is identified by the third
** argument to sqlite3_progress_handler().
**
-** {F12914} The fourth argument to sqlite3_progress_handler() is a
+** {H12914} The fourth argument to sqlite3_progress_handler() is a
** void pointer passed to the progress callback
** function each time it is invoked.
**
-** {F12915} If a call to [sqlite3_step()] results in fewer than N opcodes
+** {H12915} If a call to [sqlite3_step()] results in fewer than N opcodes
** being executed, then the progress callback is never invoked.
**
-** {F12916} Every call to [sqlite3_progress_handler()]
+** {H12916} Every call to [sqlite3_progress_handler()]
** overwrites any previously registered progress handler.
**
-** {F12917} If the progress handler callback is NULL then no progress
+** {H12917} If the progress handler callback is NULL then no progress
** handler is invoked.
**
-** {F12918} If the progress callback returns a result other than 0, then
+** {H12918} If the progress callback returns a result other than 0, then
** the behavior is a if [sqlite3_interrupt()] had been called.
+** <S30500>
*/
void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*);
/*
-** CAPI3REF: Opening A New Database Connection {F12700}
+** CAPI3REF: Opening A New Database Connection {H12700} <S40200>
**
** These routines open an SQLite database file whose name is given by the
** filename argument. The filename argument is interpreted as UTF-8 for
** sqlite3_open() and sqlite3_open_v2() and as UTF-16 in the native byte
@@ -2286,9 +2517,9 @@
** The sqlite3_open_v2() interface works like sqlite3_open()
** except that it accepts two additional parameters for additional control
** over the new database connection. The flags parameter can take one of
** the following three values, optionally combined with the
-** [SQLITE_OPEN_NOMUTEX] flag:
+** [SQLITE_OPEN_NOMUTEX] or [SQLITE_OPEN_FULLMUTEX] flags:
**
** <dl>
** <dt>[SQLITE_OPEN_READONLY]</dt>
** <dd>The database is opened in read-only mode. If the database does not
@@ -2306,18 +2537,17 @@
** </dl>
**
** If the 3rd parameter to sqlite3_open_v2() is not one of the
** combinations shown above or one of the combinations shown above combined
-** with the [SQLITE_OPEN_NOMUTEX] flag, then the behavior is undefined.
-**
-** If the [SQLITE_OPEN_NOMUTEX] flag is set, then mutexes on the
-** opened [database connection] are disabled and the appliation must
-** insure that access to the [database connection] and its associated
-** [prepared statements] is serialized. The [SQLITE_OPEN_NOMUTEX] flag
-** is the default behavior is SQLite is configured using the
-** [SQLITE_CONFIG_MULTITHREAD] or [SQLITE_CONFIG_SINGLETHREAD] options
-** to [sqlite3_config()]. The [SQLITE_OPEN_NOMUTEX] flag only makes a
-** difference when SQLite is in its default [SQLITE_CONFIG_SERIALIZED] mode.
+** with the [SQLITE_OPEN_NOMUTEX] or [SQLITE_OPEN_FULLMUTEX] flags,
+** then the behavior is undefined.
+**
+** If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection
+** opens in the multi-thread [threading mode] as long as the single-thread
+** mode has not been set at compile-time or start-time. If the
+** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens
+** in the serialized [threading mode] unless single-thread was
+** previously selected at compile-time or start-time.
**
** If the filename is ":memory:", then a private, temporary in-memory database
** is created for the connection. This in-memory database will vanish when
** the database connection is closed. Future versions of SQLite might
@@ -2342,69 +2572,69 @@
** sqlite3_open() or sqlite3_open_v2().
**
** INVARIANTS:
**
-** {F12701} The [sqlite3_open()], [sqlite3_open16()], and
+** {H12701} The [sqlite3_open()], [sqlite3_open16()], and
** [sqlite3_open_v2()] interfaces create a new
** [database connection] associated with
** the database file given in their first parameter.
**
-** {F12702} The filename argument is interpreted as UTF-8
+** {H12702} The filename argument is interpreted as UTF-8
** for [sqlite3_open()] and [sqlite3_open_v2()] and as UTF-16
** in the native byte order for [sqlite3_open16()].
**
-** {F12703} A successful invocation of [sqlite3_open()], [sqlite3_open16()],
+** {H12703} A successful invocation of [sqlite3_open()], [sqlite3_open16()],
** or [sqlite3_open_v2()] writes a pointer to a new
** [database connection] into *ppDb.
**
-** {F12704} The [sqlite3_open()], [sqlite3_open16()], and
+** {H12704} The [sqlite3_open()], [sqlite3_open16()], and
** [sqlite3_open_v2()] interfaces return [SQLITE_OK] upon success,
** or an appropriate [error code] on failure.
**
-** {F12706} The default text encoding for a new database created using
+** {H12706} The default text encoding for a new database created using
** [sqlite3_open()] or [sqlite3_open_v2()] will be UTF-8.
**
-** {F12707} The default text encoding for a new database created using
+** {H12707} The default text encoding for a new database created using
** [sqlite3_open16()] will be UTF-16.
**
-** {F12709} The [sqlite3_open(F,D)] interface is equivalent to
+** {H12709} The [sqlite3_open(F,D)] interface is equivalent to
** [sqlite3_open_v2(F,D,G,0)] where the G parameter is
** [SQLITE_OPEN_READWRITE]|[SQLITE_OPEN_CREATE].
**
-** {F12711} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
+** {H12711} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
** bit value [SQLITE_OPEN_READONLY] then the database is opened
** for reading only.
**
-** {F12712} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
+** {H12712} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
** bit value [SQLITE_OPEN_READWRITE] then the database is opened
** reading and writing if possible, or for reading only if the
** file is write protected by the operating system.
**
-** {F12713} If the G parameter to [sqlite3_open(v2(F,D,G,V)] omits the
+** {H12713} If the G parameter to [sqlite3_open_v2(F,D,G,V)] omits the
** bit value [SQLITE_OPEN_CREATE] and the database does not
** previously exist, an error is returned.
**
-** {F12714} If the G parameter to [sqlite3_open(v2(F,D,G,V)] contains the
+** {H12714} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
** bit value [SQLITE_OPEN_CREATE] and the database does not
** previously exist, then an attempt is made to create and
** initialize the database.
**
-** {F12717} If the filename argument to [sqlite3_open()], [sqlite3_open16()],
+** {H12717} If the filename argument to [sqlite3_open()], [sqlite3_open16()],
** or [sqlite3_open_v2()] is ":memory:", then an private,
** ephemeral, in-memory database is created for the connection.
** <todo>Is SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE required
** in sqlite3_open_v2()?</todo>
**
-** {F12719} If the filename is NULL or an empty string, then a private,
+** {H12719} If the filename is NULL or an empty string, then a private,
** ephemeral on-disk database will be created.
** <todo>Is SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE required
** in sqlite3_open_v2()?</todo>
**
-** {F12721} The [database connection] created by [sqlite3_open_v2(F,D,G,V)]
+** {H12721} The [database connection] created by [sqlite3_open_v2(F,D,G,V)]
** will use the [sqlite3_vfs] object identified by the V parameter,
** or the default [sqlite3_vfs] object if V is a NULL pointer.
**
-** {F12723} Two [database connections] will share a common cache if both were
+** {H12723} Two [database connections] will share a common cache if both were
** opened with the same VFS while [shared cache mode] was enabled and
** if both filenames compare equal using memcmp() after having been
** processed by the [sqlite3_vfs | xFullPathname] method of the VFS.
*/
@@ -2423,15 +2653,18 @@
const char *zVfs /* Name of VFS module to use */
);
/*
-** CAPI3REF: Error Codes And Messages {F12800}
+** CAPI3REF: Error Codes And Messages {H12800} <S60200>
**
** The sqlite3_errcode() interface returns the numeric [result code] or
** [extended result code] for the most recent failed sqlite3_* API call
** associated with a [database connection]. If a prior API call failed
** but the most recent API call succeeded, the return value from
-** sqlite3_errcode() is undefined.
+** sqlite3_errcode() is undefined. The sqlite3_extended_errcode()
+** interface is the same except that it always returns the
+** [extended result code] even when extended result codes are
+** disabled.
**
** The sqlite3_errmsg() and sqlite3_errmsg16() return English-language
** text that describes the error, as either UTF-8 or UTF-16 respectively.
** Memory to hold the error message string is managed internally.
@@ -2444,37 +2677,44 @@
** error code and message may or may not be set.
**
** INVARIANTS:
**
-** {F12801} The [sqlite3_errcode(D)] interface returns the numeric
+** {H12801} The [sqlite3_errcode(D)] interface returns the numeric
** [result code] or [extended result code] for the most recently
** failed interface call associated with the [database connection] D.
**
-** {F12803} The [sqlite3_errmsg(D)] and [sqlite3_errmsg16(D)]
+** {H12802} The [sqlite3_extended_errcode(D)] interface returns the numeric
+** [extended result code] for the most recently
+** failed interface call associated with the [database connection] D.
+**
+** {H12803} The [sqlite3_errmsg(D)] and [sqlite3_errmsg16(D)]
** interfaces return English-language text that describes
** the error in the mostly recently failed interface call,
** encoded as either UTF-8 or UTF-16 respectively.
**
-** {F12807} The strings returned by [sqlite3_errmsg()] and [sqlite3_errmsg16()]
+** {H12807} The strings returned by [sqlite3_errmsg()] and [sqlite3_errmsg16()]
** are valid until the next SQLite interface call.
**
-** {F12808} Calls to API routines that do not return an error code
+** {H12808} Calls to API routines that do not return an error code
** (example: [sqlite3_data_count()]) do not
** change the error code or message returned by
-** [sqlite3_errcode()], [sqlite3_errmsg()], or [sqlite3_errmsg16()].
-**
-** {F12809} Interfaces that are not associated with a specific
+** [sqlite3_errcode()], [sqlite3_extended_errcode()],
+** [sqlite3_errmsg()], or [sqlite3_errmsg16()].
+**
+** {H12809} Interfaces that are not associated with a specific
** [database connection] (examples:
** [sqlite3_mprintf()] or [sqlite3_enable_shared_cache()]
** do not change the values returned by
-** [sqlite3_errcode()], [sqlite3_errmsg()], or [sqlite3_errmsg16()].
+** [sqlite3_errcode()], [sqlite3_extended_errcode()],
+** [sqlite3_errmsg()], or [sqlite3_errmsg16()].
*/
int sqlite3_errcode(sqlite3 *db);
+int sqlite3_extended_errcode(sqlite3 *db);
const char *sqlite3_errmsg(sqlite3*);
const void *sqlite3_errmsg16(sqlite3*);
/*
-** CAPI3REF: SQL Statement Object {F13000}
+** CAPI3REF: SQL Statement Object {H13000} <H13010>
** KEYWORDS: {prepared statement} {prepared statements}
**
** An instance of this object represents a single SQL statement.
** This object is variously known as a "prepared statement" or a
@@ -2498,9 +2738,9 @@
*/
typedef struct sqlite3_stmt sqlite3_stmt;
/*
-** CAPI3REF: Run-time Limits {F12760}
+** CAPI3REF: Run-time Limits {H12760} <S20600>
**
** This interface allows the size of various constructs to be limited
** on a connection by connection basis. The first parameter is the
** [database connection] whose limit is to be set or queried. The
@@ -2527,29 +2767,28 @@
** interface to further control untrusted SQL. The size of the database
** created by an untrusted script can be contained using the
** [max_page_count] [PRAGMA].
**
-** This interface is currently considered experimental and is subject
-** to change or removal without prior notice.
-**
-** INVARIANTS:
-**
-** {F12762} A successful call to [sqlite3_limit(D,C,V)] where V is
+** New run-time limit categories may be added in future releases.
+**
+** INVARIANTS:
+**
+** {H12762} A successful call to [sqlite3_limit(D,C,V)] where V is
** positive changes the limit on the size of construct C in the
** [database connection] D to the lesser of V and the hard upper
** bound on the size of C that is set at compile-time.
**
-** {F12766} A successful call to [sqlite3_limit(D,C,V)] where V is negative
+** {H12766} A successful call to [sqlite3_limit(D,C,V)] where V is negative
** leaves the state of the [database connection] D unchanged.
**
-** {F12769} A successful call to [sqlite3_limit(D,C,V)] returns the
+** {H12769} A successful call to [sqlite3_limit(D,C,V)] returns the
** value of the limit on the size of construct C in the
** [database connection] D as it was prior to the call.
*/
int sqlite3_limit(sqlite3*, int id, int newVal);
/*
-** CAPI3REF: Run-Time Limit Categories {F12790}
+** CAPI3REF: Run-Time Limit Categories {H12790} <H12760>
** KEYWORDS: {limit category} {limit categories}
**
** These constants define various aspects of a [database connection]
** that can be limited in size by calls to [sqlite3_limit()].
@@ -2603,9 +2842,9 @@
#define SQLITE_LIMIT_LIKE_PATTERN_LENGTH 8
#define SQLITE_LIMIT_VARIABLE_NUMBER 9
/*
-** CAPI3REF: Compiling An SQL Statement {F13010}
+** CAPI3REF: Compiling An SQL Statement {H13010} <S10000>
** KEYWORDS: {SQL statement compiler}
**
** To execute an SQL query, it must first be compiled into a byte-code
** program using one of these routines.
@@ -2673,39 +2912,39 @@
** </ol>
**
** INVARIANTS:
**
-** {F13011} The [sqlite3_prepare(db,zSql,...)] and
+** {H13011} The [sqlite3_prepare(db,zSql,...)] and
** [sqlite3_prepare_v2(db,zSql,...)] interfaces interpret the
** text in their zSql parameter as UTF-8.
**
-** {F13012} The [sqlite3_prepare16(db,zSql,...)] and
+** {H13012} The [sqlite3_prepare16(db,zSql,...)] and
** [sqlite3_prepare16_v2(db,zSql,...)] interfaces interpret the
** text in their zSql parameter as UTF-16 in the native byte order.
**
-** {F13013} If the nByte argument to [sqlite3_prepare_v2(db,zSql,nByte,...)]
+** {H13013} If the nByte argument to [sqlite3_prepare_v2(db,zSql,nByte,...)]
** and its variants is less than zero, the SQL text is
** read from zSql is read up to the first zero terminator.
**
-** {F13014} If the nByte argument to [sqlite3_prepare_v2(db,zSql,nByte,...)]
+** {H13014} If the nByte argument to [sqlite3_prepare_v2(db,zSql,nByte,...)]
** and its variants is non-negative, then at most nBytes bytes of
** SQL text is read from zSql.
**
-** {F13015} In [sqlite3_prepare_v2(db,zSql,N,P,pzTail)] and its variants
+** {H13015} In [sqlite3_prepare_v2(db,zSql,N,P,pzTail)] and its variants
** if the zSql input text contains more than one SQL statement
** and pzTail is not NULL, then *pzTail is made to point to the
** first byte past the end of the first SQL statement in zSql.
** <todo>What does *pzTail point to if there is one statement?</todo>
**
-** {F13016} A successful call to [sqlite3_prepare_v2(db,zSql,N,ppStmt,...)]
+** {H13016} A successful call to [sqlite3_prepare_v2(db,zSql,N,ppStmt,...)]
** or one of its variants writes into *ppStmt a pointer to a new
** [prepared statement] or a pointer to NULL if zSql contains
** nothing other than whitespace or comments.
**
-** {F13019} The [sqlite3_prepare_v2()] interface and its variants return
+** {H13019} The [sqlite3_prepare_v2()] interface and its variants return
** [SQLITE_OK] or an appropriate [error code] upon failure.
**
-** {F13021} Before [sqlite3_prepare(db,zSql,nByte,ppStmt,pzTail)] or its
+** {H13021} Before [sqlite3_prepare(db,zSql,nByte,ppStmt,pzTail)] or its
** variants returns an error (any value other than [SQLITE_OK]),
** they first set *ppStmt to NULL.
*/
int sqlite3_prepare(
@@ -2737,33 +2976,33 @@
const void **pzTail /* OUT: Pointer to unused portion of zSql */
);
/*
-** CAPIREF: Retrieving Statement SQL {F13100}
+** CAPI3REF: Retrieving Statement SQL {H13100} <H13000>
**
** This interface can be used to retrieve a saved copy of the original
** SQL text used to create a [prepared statement] if that statement was
** compiled using either [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()].
**
** INVARIANTS:
**
-** {F13101} If the [prepared statement] passed as the argument to
+** {H13101} If the [prepared statement] passed as the argument to
** [sqlite3_sql()] was compiled using either [sqlite3_prepare_v2()] or
** [sqlite3_prepare16_v2()], then [sqlite3_sql()] returns
** a pointer to a zero-terminated string containing a UTF-8 rendering
** of the original SQL statement.
**
-** {F13102} If the [prepared statement] passed as the argument to
+** {H13102} If the [prepared statement] passed as the argument to
** [sqlite3_sql()] was compiled using either [sqlite3_prepare()] or
** [sqlite3_prepare16()], then [sqlite3_sql()] returns a NULL pointer.
**
-** {F13103} The string returned by [sqlite3_sql(S)] is valid until the
+** {H13103} The string returned by [sqlite3_sql(S)] is valid until the
** [prepared statement] S is deleted using [sqlite3_finalize(S)].
*/
const char *sqlite3_sql(sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Dynamically Typed Value Object {F15000}
+** CAPI3REF: Dynamically Typed Value Object {H15000} <S20200>
** KEYWORDS: {protected sqlite3_value} {unprotected sqlite3_value}
**
** SQLite uses the sqlite3_value object to represent all values
** that can be stored in a database table. SQLite uses dynamic typing
@@ -2800,9 +3039,9 @@
*/
typedef struct Mem sqlite3_value;
/*
-** CAPI3REF: SQL Function Context Object {F16001}
+** CAPI3REF: SQL Function Context Object {H16001} <S20200>
**
** The context in which an SQL function executes is stored in an
** sqlite3_context object. A pointer to an sqlite3_context object
** is always first parameter to [application-defined SQL functions].
@@ -2814,9 +3053,9 @@
*/
typedef struct sqlite3_context sqlite3_context;
/*
-** CAPI3REF: Binding Values To Prepared Statements {F13500}
+** CAPI3REF: Binding Values To Prepared Statements {H13500} <S70300>
** KEYWORDS: {host parameter} {host parameters} {host parameter name}
** KEYWORDS: {SQL parameter} {SQL parameters} {parameter binding}
**
** In the SQL strings input to [sqlite3_prepare_v2()] and its variants,
@@ -2894,77 +3133,77 @@
** [sqlite3_bind_parameter_name()], and [sqlite3_bind_parameter_index()].
**
** INVARIANTS:
**
-** {F13506} The [SQL statement compiler] recognizes tokens of the forms
+** {H13506} The [SQL statement compiler] recognizes tokens of the forms
** "?", "?NNN", "$VVV", ":VVV", and "@VVV" as SQL parameters,
** where NNN is any sequence of one or more digits
** and where VVV is any sequence of one or more alphanumeric
** characters or "::" optionally followed by a string containing
** no spaces and contained within parentheses.
**
-** {F13509} The initial value of an SQL parameter is NULL.
-**
-** {F13512} The index of an "?" SQL parameter is one larger than the
+** {H13509} The initial value of an SQL parameter is NULL.
+**
+** {H13512} The index of an "?" SQL parameter is one larger than the
** largest index of SQL parameter to the left, or 1 if
** the "?" is the leftmost SQL parameter.
**
-** {F13515} The index of an "?NNN" SQL parameter is the integer NNN.
-**
-** {F13518} The index of an ":VVV", "$VVV", or "@VVV" SQL parameter is
+** {H13515} The index of an "?NNN" SQL parameter is the integer NNN.
+**
+** {H13518} The index of an ":VVV", "$VVV", or "@VVV" SQL parameter is
** the same as the index of leftmost occurrences of the same
** parameter, or one more than the largest index over all
** parameters to the left if this is the first occurrence
** of this parameter, or 1 if this is the leftmost parameter.
**
-** {F13521} The [SQL statement compiler] fails with an [SQLITE_RANGE]
+** {H13521} The [SQL statement compiler] fails with an [SQLITE_RANGE]
** error if the index of an SQL parameter is less than 1
** or greater than the compile-time SQLITE_MAX_VARIABLE_NUMBER
** parameter.
**
-** {F13524} Calls to [sqlite3_bind_text | sqlite3_bind(S,N,V,...)]
+** {H13524} Calls to [sqlite3_bind_text | sqlite3_bind(S,N,V,...)]
** associate the value V with all SQL parameters having an
** index of N in the [prepared statement] S.
**
-** {F13527} Calls to [sqlite3_bind_text | sqlite3_bind(S,N,...)]
+** {H13527} Calls to [sqlite3_bind_text | sqlite3_bind(S,N,...)]
** override prior calls with the same values of S and N.
**
-** {F13530} Bindings established by [sqlite3_bind_text | sqlite3_bind(S,...)]
+** {H13530} Bindings established by [sqlite3_bind_text | sqlite3_bind(S,...)]
** persist across calls to [sqlite3_reset(S)].
**
-** {F13533} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
+** {H13533} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
** [sqlite3_bind_text(S,N,V,L,D)], or
** [sqlite3_bind_text16(S,N,V,L,D)] SQLite binds the first L
** bytes of the BLOB or string pointed to by V, when L
** is non-negative.
**
-** {F13536} In calls to [sqlite3_bind_text(S,N,V,L,D)] or
+** {H13536} In calls to [sqlite3_bind_text(S,N,V,L,D)] or
** [sqlite3_bind_text16(S,N,V,L,D)] SQLite binds characters
** from V through the first zero character when L is negative.
**
-** {F13539} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
+** {H13539} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
** [sqlite3_bind_text(S,N,V,L,D)], or
** [sqlite3_bind_text16(S,N,V,L,D)] when D is the special
** constant [SQLITE_STATIC], SQLite assumes that the value V
** is held in static unmanaged space that will not change
** during the lifetime of the binding.
**
-** {F13542} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
+** {H13542} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
** [sqlite3_bind_text(S,N,V,L,D)], or
** [sqlite3_bind_text16(S,N,V,L,D)] when D is the special
** constant [SQLITE_TRANSIENT], the routine makes a
** private copy of the value V before it returns.
**
-** {F13545} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
+** {H13545} In calls to [sqlite3_bind_blob(S,N,V,L,D)],
** [sqlite3_bind_text(S,N,V,L,D)], or
** [sqlite3_bind_text16(S,N,V,L,D)] when D is a pointer to
** a function, SQLite invokes that function to destroy the
** value V after it has finished using the value V.
**
-** {F13548} In calls to [sqlite3_bind_zeroblob(S,N,V,L)] the value bound
+** {H13548} In calls to [sqlite3_bind_zeroblob(S,N,V,L)] the value bound
** is a BLOB of L bytes, or a zero-length BLOB if L is negative.
**
-** {F13551} In calls to [sqlite3_bind_value(S,N,V)] the V argument may
+** {H13551} In calls to [sqlite3_bind_value(S,N,V)] the V argument may
** be either a [protected sqlite3_value] object or an
** [unprotected sqlite3_value] object.
*/
int sqlite3_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));
@@ -2977,9 +3216,9 @@
int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*);
int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n);
/*
-** CAPI3REF: Number Of SQL Parameters {F13600}
+** CAPI3REF: Number Of SQL Parameters {H13600} <S70300>
**
** This routine can be used to find the number of [SQL parameters]
** in a [prepared statement]. SQL parameters are tokens of the
** form "?", "?NNN", ":AAA", "$AAA", or "@AAA" that serve as
@@ -2996,16 +3235,16 @@
** [sqlite3_bind_parameter_index()].
**
** INVARIANTS:
**
-** {F13601} The [sqlite3_bind_parameter_count(S)] interface returns
+** {H13601} The [sqlite3_bind_parameter_count(S)] interface returns
** the largest index of all SQL parameters in the
** [prepared statement] S, or 0 if S contains no SQL parameters.
*/
int sqlite3_bind_parameter_count(sqlite3_stmt*);
/*
-** CAPI3REF: Name Of A Host Parameter {F13620}
+** CAPI3REF: Name Of A Host Parameter {H13620} <S70300>
**
** This routine returns a pointer to the name of the n-th
** [SQL parameter] in a [prepared statement].
** SQL parameters of the form "?NNN" or ":AAA" or "@AAA" or "$AAA"
@@ -3029,9 +3268,9 @@
** [sqlite3_bind_parameter_index()].
**
** INVARIANTS:
**
-** {F13621} The [sqlite3_bind_parameter_name(S,N)] interface returns
+** {H13621} The [sqlite3_bind_parameter_name(S,N)] interface returns
** a UTF-8 rendering of the name of the SQL parameter in
** the [prepared statement] S having index N, or
** NULL if there is no SQL parameter with index N or if the
** parameter with index N is an anonymous parameter "?".
@@ -3038,9 +3277,9 @@
*/
const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int);
/*
-** CAPI3REF: Index Of A Parameter With A Given Name {F13640}
+** CAPI3REF: Index Of A Parameter With A Given Name {H13640} <S70300>
**
** Return the index of an SQL parameter given its name. The
** index value returned is suitable for use as the second
** parameter to [sqlite3_bind_blob|sqlite3_bind()]. A zero
@@ -3053,46 +3292,46 @@
** [sqlite3_bind_parameter_index()].
**
** INVARIANTS:
**
-** {F13641} The [sqlite3_bind_parameter_index(S,N)] interface returns
+** {H13641} The [sqlite3_bind_parameter_index(S,N)] interface returns
** the index of SQL parameter in the [prepared statement]
** S whose name matches the UTF-8 string N, or 0 if there is
** no match.
*/
int sqlite3_bind_parameter_index(sqlite3_stmt*, const char *zName);
/*
-** CAPI3REF: Reset All Bindings On A Prepared Statement {F13660}
+** CAPI3REF: Reset All Bindings On A Prepared Statement {H13660} <S70300>
**
** Contrary to the intuition of many, [sqlite3_reset()] does not reset
** the [sqlite3_bind_blob | bindings] on a [prepared statement].
** Use this routine to reset all host parameters to NULL.
**
** INVARIANTS:
**
-** {F13661} The [sqlite3_clear_bindings(S)] interface resets all SQL
+** {H13661} The [sqlite3_clear_bindings(S)] interface resets all SQL
** parameter bindings in the [prepared statement] S back to NULL.
*/
int sqlite3_clear_bindings(sqlite3_stmt*);
/*
-** CAPI3REF: Number Of Columns In A Result Set {F13710}
+** CAPI3REF: Number Of Columns In A Result Set {H13710} <S10700>
**
** Return the number of columns in the result set returned by the
** [prepared statement]. This routine returns 0 if pStmt is an SQL
** statement that does not return data (for example an [UPDATE]).
**
** INVARIANTS:
**
-** {F13711} The [sqlite3_column_count(S)] interface returns the number of
+** {H13711} The [sqlite3_column_count(S)] interface returns the number of
** columns in the result set generated by the [prepared statement] S,
** or 0 if S does not generate a result set.
*/
int sqlite3_column_count(sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Column Names In A Result Set {F13720}
+** CAPI3REF: Column Names In A Result Set {H13720} <S10700>
**
** These routines return the name assigned to a particular column
** in the result set of a [SELECT] statement. The sqlite3_column_name()
** interface returns a pointer to a zero-terminated UTF-8 string
@@ -3115,41 +3354,41 @@
** one release of SQLite to the next.
**
** INVARIANTS:
**
-** {F13721} A successful invocation of the [sqlite3_column_name(S,N)]
+** {H13721} A successful invocation of the [sqlite3_column_name(S,N)]
** interface returns the name of the Nth column (where 0 is
** the leftmost column) for the result set of the
** [prepared statement] S as a zero-terminated UTF-8 string.
**
-** {F13723} A successful invocation of the [sqlite3_column_name16(S,N)]
+** {H13723} A successful invocation of the [sqlite3_column_name16(S,N)]
** interface returns the name of the Nth column (where 0 is
** the leftmost column) for the result set of the
** [prepared statement] S as a zero-terminated UTF-16 string
** in the native byte order.
**
-** {F13724} The [sqlite3_column_name()] and [sqlite3_column_name16()]
+** {H13724} The [sqlite3_column_name()] and [sqlite3_column_name16()]
** interfaces return a NULL pointer if they are unable to
** allocate memory to hold their normal return strings.
**
-** {F13725} If the N parameter to [sqlite3_column_name(S,N)] or
+** {H13725} If the N parameter to [sqlite3_column_name(S,N)] or
** [sqlite3_column_name16(S,N)] is out of range, then the
** interfaces return a NULL pointer.
**
-** {F13726} The strings returned by [sqlite3_column_name(S,N)] and
+** {H13726} The strings returned by [sqlite3_column_name(S,N)] and
** [sqlite3_column_name16(S,N)] are valid until the next
** call to either routine with the same S and N parameters
** or until [sqlite3_finalize(S)] is called.
**
-** {F13727} When a result column of a [SELECT] statement contains
+** {H13727} When a result column of a [SELECT] statement contains
** an AS clause, the name of that column is the identifier
** to the right of the AS keyword.
*/
const char *sqlite3_column_name(sqlite3_stmt*, int N);
const void *sqlite3_column_name16(sqlite3_stmt*, int N);
/*
-** CAPI3REF: Source Of Data In A Query Result {F13740}
+** CAPI3REF: Source Of Data In A Query Result {H13740} <S10700>
**
** These routines provide a means to determine what column of what
** table in which database a result of a [SELECT] statement comes from.
** The name of the database or table or column can be returned as
@@ -3185,52 +3424,52 @@
** undefined.
**
** INVARIANTS:
**
-** {F13741} The [sqlite3_column_database_name(S,N)] interface returns either
+** {H13741} The [sqlite3_column_database_name(S,N)] interface returns either
** the UTF-8 zero-terminated name of the database from which the
** Nth result column of the [prepared statement] S is extracted,
** or NULL if the Nth column of S is a general expression
** or if unable to allocate memory to store the name.
**
-** {F13742} The [sqlite3_column_database_name16(S,N)] interface returns either
+** {H13742} The [sqlite3_column_database_name16(S,N)] interface returns either
** the UTF-16 native byte order zero-terminated name of the database
** from which the Nth result column of the [prepared statement] S is
** extracted, or NULL if the Nth column of S is a general expression
** or if unable to allocate memory to store the name.
**
-** {F13743} The [sqlite3_column_table_name(S,N)] interface returns either
+** {H13743} The [sqlite3_column_table_name(S,N)] interface returns either
** the UTF-8 zero-terminated name of the table from which the
** Nth result column of the [prepared statement] S is extracted,
** or NULL if the Nth column of S is a general expression
** or if unable to allocate memory to store the name.
**
-** {F13744} The [sqlite3_column_table_name16(S,N)] interface returns either
+** {H13744} The [sqlite3_column_table_name16(S,N)] interface returns either
** the UTF-16 native byte order zero-terminated name of the table
** from which the Nth result column of the [prepared statement] S is
** extracted, or NULL if the Nth column of S is a general expression
** or if unable to allocate memory to store the name.
**
-** {F13745} The [sqlite3_column_origin_name(S,N)] interface returns either
+** {H13745} The [sqlite3_column_origin_name(S,N)] interface returns either
** the UTF-8 zero-terminated name of the table column from which the
** Nth result column of the [prepared statement] S is extracted,
** or NULL if the Nth column of S is a general expression
** or if unable to allocate memory to store the name.
**
-** {F13746} The [sqlite3_column_origin_name16(S,N)] interface returns either
+** {H13746} The [sqlite3_column_origin_name16(S,N)] interface returns either
** the UTF-16 native byte order zero-terminated name of the table
** column from which the Nth result column of the
** [prepared statement] S is extracted, or NULL if the Nth column
** of S is a general expression or if unable to allocate memory
** to store the name.
**
-** {F13748} The return values from
+** {H13748} The return values from
** [sqlite3_column_database_name | column metadata interfaces]
** are valid for the lifetime of the [prepared statement]
** or until the encoding is changed by another metadata
** interface call for the same prepared statement and column.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A13751} If two or more threads call one or more
** [sqlite3_column_database_name | column metadata interfaces]
** for the same [prepared statement] and result column
@@ -3243,9 +3482,9 @@
const char *sqlite3_column_origin_name(sqlite3_stmt*,int);
const void *sqlite3_column_origin_name16(sqlite3_stmt*,int);
/*
-** CAPI3REF: Declared Datatype Of A Query Result {F13760}
+** CAPI3REF: Declared Datatype Of A Query Result {H13760} <S10700>
**
** The first parameter is a [prepared statement].
** If this statement is a [SELECT] statement and the Nth column of the
** returned result set of that [SELECT] is a table column (not an
@@ -3273,20 +3512,20 @@
** used to hold those values.
**
** INVARIANTS:
**
-** {F13761} A successful call to [sqlite3_column_decltype(S,N)] returns a
+** {H13761} A successful call to [sqlite3_column_decltype(S,N)] returns a
** zero-terminated UTF-8 string containing the declared datatype
** of the table column that appears as the Nth column (numbered
** from 0) of the result set to the [prepared statement] S.
**
-** {F13762} A successful call to [sqlite3_column_decltype16(S,N)]
+** {H13762} A successful call to [sqlite3_column_decltype16(S,N)]
** returns a zero-terminated UTF-16 native byte order string
** containing the declared datatype of the table column that appears
** as the Nth column (numbered from 0) of the result set to the
** [prepared statement] S.
**
-** {F13763} If N is less than 0 or N is greater than or equal to
+** {H13763} If N is less than 0 or N is greater than or equal to
** the number of columns in the [prepared statement] S,
** or if the Nth column of S is an expression or subquery rather
** than a table column, or if a memory allocation failure
** occurs during encoding conversions, then
@@ -3296,9 +3535,9 @@
const char *sqlite3_column_decltype(sqlite3_stmt*,int);
const void *sqlite3_column_decltype16(sqlite3_stmt*,int);
/*
-** CAPI3REF: Evaluate An SQL Statement {F13200}
+** CAPI3REF: Evaluate An SQL Statement {H13200} <S10000>
**
** After a [prepared statement] has been prepared using either
** [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()] or one of the legacy
** interfaces [sqlite3_prepare()] or [sqlite3_prepare16()], this function
@@ -3362,26 +3601,26 @@
** by sqlite3_step(). The use of the "v2" interface is recommended.
**
** INVARIANTS:
**
-** {F13202} If the [prepared statement] S is ready to be run, then
+** {H13202} If the [prepared statement] S is ready to be run, then
** [sqlite3_step(S)] advances that prepared statement until
** completion or until it is ready to return another row of the
** result set, or until an [sqlite3_interrupt | interrupt]
** or a run-time error occurs.
**
-** {F15304} When a call to [sqlite3_step(S)] causes the [prepared statement]
+** {H15304} When a call to [sqlite3_step(S)] causes the [prepared statement]
** S to run to completion, the function returns [SQLITE_DONE].
**
-** {F15306} When a call to [sqlite3_step(S)] stops because it is ready to
+** {H15306} When a call to [sqlite3_step(S)] stops because it is ready to
** return another row of the result set, it returns [SQLITE_ROW].
**
-** {F15308} If a call to [sqlite3_step(S)] encounters an
+** {H15308} If a call to [sqlite3_step(S)] encounters an
** [sqlite3_interrupt | interrupt] or a run-time error,
** it returns an appropriate error code that is not one of
** [SQLITE_OK], [SQLITE_ROW], or [SQLITE_DONE].
**
-** {F15310} If an [sqlite3_interrupt | interrupt] or a run-time error
+** {H15310} If an [sqlite3_interrupt | interrupt] or a run-time error
** occurs during a call to [sqlite3_step(S)]
** for a [prepared statement] S created using
** legacy interfaces [sqlite3_prepare()] or
** [sqlite3_prepare16()], then the function returns either
@@ -3389,19 +3628,19 @@
*/
int sqlite3_step(sqlite3_stmt*);
/*
-** CAPI3REF: Number of columns in a result set {F13770}
+** CAPI3REF: Number of columns in a result set {H13770} <S10700>
**
** Returns the number of values in the current row of the result set.
**
** INVARIANTS:
**
-** {F13771} After a call to [sqlite3_step(S)] that returns [SQLITE_ROW],
+** {H13771} After a call to [sqlite3_step(S)] that returns [SQLITE_ROW],
** the [sqlite3_data_count(S)] routine will return the same value
** as the [sqlite3_column_count(S)] function.
**
-** {F13772} After [sqlite3_step(S)] has returned any value other than
+** {H13772} After [sqlite3_step(S)] has returned any value other than
** [SQLITE_ROW] or before [sqlite3_step(S)] has been called on the
** [prepared statement] for the first time since it was
** [sqlite3_prepare | prepared] or [sqlite3_reset | reset],
** the [sqlite3_data_count(S)] routine returns zero.
@@ -3408,12 +3647,12 @@
*/
int sqlite3_data_count(sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Fundamental Datatypes {F10265}
+** CAPI3REF: Fundamental Datatypes {H10265} <S10110><S10120>
** KEYWORDS: SQLITE_TEXT
**
-** {F10266} Every value in SQLite has one of five fundamental datatypes:
+** {H10266} Every value in SQLite has one of five fundamental datatypes:
**
** <ul>
** <li> 64-bit signed integer
** <li> 64-bit IEEE floating point number
@@ -3440,9 +3679,9 @@
#endif
#define SQLITE3_TEXT 3
/*
-** CAPI3REF: Result Values From A Query {F13800}
+** CAPI3REF: Result Values From A Query {H13800} <S10700>
** KEYWORDS: {column access functions}
**
** These routines form the "result set query" interface.
**
@@ -3593,57 +3832,57 @@
** [SQLITE_NOMEM].
**
** INVARIANTS:
**
-** {F13803} The [sqlite3_column_blob(S,N)] interface converts the
+** {H13803} The [sqlite3_column_blob(S,N)] interface converts the
** Nth column in the current row of the result set for
** the [prepared statement] S into a BLOB and then returns a
** pointer to the converted value.
**
-** {F13806} The [sqlite3_column_bytes(S,N)] interface returns the
+** {H13806} The [sqlite3_column_bytes(S,N)] interface returns the
** number of bytes in the BLOB or string (exclusive of the
** zero terminator on the string) that was returned by the
** most recent call to [sqlite3_column_blob(S,N)] or
** [sqlite3_column_text(S,N)].
**
-** {F13809} The [sqlite3_column_bytes16(S,N)] interface returns the
+** {H13809} The [sqlite3_column_bytes16(S,N)] interface returns the
** number of bytes in the string (exclusive of the
** zero terminator on the string) that was returned by the
** most recent call to [sqlite3_column_text16(S,N)].
**
-** {F13812} The [sqlite3_column_double(S,N)] interface converts the
+** {H13812} The [sqlite3_column_double(S,N)] interface converts the
** Nth column in the current row of the result set for the
** [prepared statement] S into a floating point value and
** returns a copy of that value.
**
-** {F13815} The [sqlite3_column_int(S,N)] interface converts the
+** {H13815} The [sqlite3_column_int(S,N)] interface converts the
** Nth column in the current row of the result set for the
** [prepared statement] S into a 64-bit signed integer and
** returns the lower 32 bits of that integer.
**
-** {F13818} The [sqlite3_column_int64(S,N)] interface converts the
+** {H13818} The [sqlite3_column_int64(S,N)] interface converts the
** Nth column in the current row of the result set for the
** [prepared statement] S into a 64-bit signed integer and
** returns a copy of that integer.
**
-** {F13821} The [sqlite3_column_text(S,N)] interface converts the
+** {H13821} The [sqlite3_column_text(S,N)] interface converts the
** Nth column in the current row of the result set for
** the [prepared statement] S into a zero-terminated UTF-8
** string and returns a pointer to that string.
**
-** {F13824} The [sqlite3_column_text16(S,N)] interface converts the
+** {H13824} The [sqlite3_column_text16(S,N)] interface converts the
** Nth column in the current row of the result set for the
** [prepared statement] S into a zero-terminated 2-byte
** aligned UTF-16 native byte order string and returns
** a pointer to that string.
**
-** {F13827} The [sqlite3_column_type(S,N)] interface returns
+** {H13827} The [sqlite3_column_type(S,N)] interface returns
** one of [SQLITE_NULL], [SQLITE_INTEGER], [SQLITE_FLOAT],
** [SQLITE_TEXT], or [SQLITE_BLOB] as appropriate for
** the Nth column in the current row of the result set for
** the [prepared statement] S.
**
-** {F13830} The [sqlite3_column_value(S,N)] interface returns a
+** {H13830} The [sqlite3_column_value(S,N)] interface returns a
** pointer to an [unprotected sqlite3_value] object for the
** Nth column in the current row of the result set for
** the [prepared statement] S.
*/
@@ -3658,9 +3897,9 @@
int sqlite3_column_type(sqlite3_stmt*, int iCol);
sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol);
/*
-** CAPI3REF: Destroy A Prepared Statement Object {F13300}
+** CAPI3REF: Destroy A Prepared Statement Object {H13300} <S70300><S30100>
**
** The sqlite3_finalize() function is called to delete a [prepared statement].
** If the statement was executed successfully or not executed at all, then
** SQLITE_OK is returned. If execution of the statement failed then an
@@ -3675,46 +3914,46 @@
** [error code] returned will be [SQLITE_ABORT].
**
** INVARIANTS:
**
-** {F11302} The [sqlite3_finalize(S)] interface destroys the
+** {H11302} The [sqlite3_finalize(S)] interface destroys the
** [prepared statement] S and releases all
** memory and file resources held by that object.
**
-** {F11304} If the most recent call to [sqlite3_step(S)] for the
+** {H11304} If the most recent call to [sqlite3_step(S)] for the
** [prepared statement] S returned an error,
** then [sqlite3_finalize(S)] returns that same error.
*/
int sqlite3_finalize(sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Reset A Prepared Statement Object {F13330}
+** CAPI3REF: Reset A Prepared Statement Object {H13330} <S70300>
**
** The sqlite3_reset() function is called to reset a [prepared statement]
** object back to its initial state, ready to be re-executed.
** Any SQL statement variables that had values bound to them using
** the [sqlite3_bind_blob | sqlite3_bind_*() API] retain their values.
** Use [sqlite3_clear_bindings()] to reset the bindings.
**
-** {F11332} The [sqlite3_reset(S)] interface resets the [prepared statement] S
+** {H11332} The [sqlite3_reset(S)] interface resets the [prepared statement] S
** back to the beginning of its program.
**
-** {F11334} If the most recent call to [sqlite3_step(S)] for the
+** {H11334} If the most recent call to [sqlite3_step(S)] for the
** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE],
** or if [sqlite3_step(S)] has never before been called on S,
** then [sqlite3_reset(S)] returns [SQLITE_OK].
**
-** {F11336} If the most recent call to [sqlite3_step(S)] for the
+** {H11336} If the most recent call to [sqlite3_step(S)] for the
** [prepared statement] S indicated an error, then
** [sqlite3_reset(S)] returns an appropriate [error code].
**
-** {F11338} The [sqlite3_reset(S)] interface does not change the values
+** {H11338} The [sqlite3_reset(S)] interface does not change the values
** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S.
*/
int sqlite3_reset(sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Create Or Redefine SQL Functions {F16100}
+** CAPI3REF: Create Or Redefine SQL Functions {H16100} <S20200>
** KEYWORDS: {function creation routines}
** KEYWORDS: {application-defined SQL function}
** KEYWORDS: {application-defined SQL functions}
**
@@ -3735,9 +3974,10 @@
** the zero-terminator. Note that the name length limit is in bytes, not
** characters. Any attempt to create a function with a longer name
** will result in [SQLITE_ERROR] being returned.
**
-** The third parameter is the number of arguments that the SQL function or
+** The third parameter (nArg)
+** is the number of arguments that the SQL function or
** aggregate takes. If this parameter is negative, then the SQL function or
** aggregate may take any number of arguments.
**
** The fourth parameter, eTextRep, specifies what
@@ -3766,74 +4006,93 @@
** It is permitted to register multiple implementations of the same
** functions with the same name but with either differing numbers of
** arguments or differing preferred text encodings. SQLite will use
** the implementation most closely matches the way in which the
-** SQL function is used.
-**
-** INVARIANTS:
-**
-** {F16103} The [sqlite3_create_function16()] interface behaves exactly
-** like [sqlite3_create_function()] in every way except that it
-** interprets the zFunctionName argument as zero-terminated UTF-16
+** SQL function is used. A function implementation with a non-negative
+** nArg parameter is a better match than a function implementation with
+** a negative nArg. A function where the preferred text encoding
+** matches the database encoding is a better
+** match than a function where the encoding is different.
+** A function where the encoding difference is between UTF16le and UTF16be
+** is a closer match than a function where the encoding difference is
+** between UTF8 and UTF16.
+**
+** Built-in functions may be overloaded by new application-defined functions.
+** The first application-defined function with a given name overrides all
+** built-in functions in the same [database connection] with the same name.
+** Subsequent application-defined functions of the same name only override
+** prior application-defined functions that are an exact match for the
+** number of parameters and preferred encoding.
+**
+** An application-defined function is permitted to call other
+** SQLite interfaces. However, such calls must not
+** close the database connection nor finalize or reset the prepared
+** statement in which the function is running.
+**
+** INVARIANTS:
+**
+** {H16103} The [sqlite3_create_function16(D,X,...)] interface shall behave
+** as [sqlite3_create_function(D,X,...)] in every way except that it
+** interprets the X argument as zero-terminated UTF-16
** native byte order instead of as zero-terminated UTF-8.
**
-** {F16106} A successful invocation of
-** the [sqlite3_create_function(D,X,N,E,...)] interface registers
+** {H16106} A successful invocation of the
+** [sqlite3_create_function(D,X,N,E,...)] interface shall register
** or replaces callback functions in the [database connection] D
** used to implement the SQL function named X with N parameters
** and having a preferred text encoding of E.
**
-** {F16109} A successful call to [sqlite3_create_function(D,X,N,E,P,F,S,L)]
-** replaces the P, F, S, and L values from any prior calls with
+** {H16109} A successful call to [sqlite3_create_function(D,X,N,E,P,F,S,L)]
+** shall replace the P, F, S, and L values from any prior calls with
** the same D, X, N, and E values.
**
-** {F16112} The [sqlite3_create_function(D,X,...)] interface fails with
-** a return code of [SQLITE_ERROR] if the SQL function name X is
+** {H16112} The [sqlite3_create_function(D,X,...)] interface shall fail
+** if the SQL function name X is
** longer than 255 bytes exclusive of the zero terminator.
**
-** {F16118} Either F must be NULL and S and L are non-NULL or else F
-** is non-NULL and S and L are NULL, otherwise
-** [sqlite3_create_function(D,X,N,E,P,F,S,L)] returns [SQLITE_ERROR].
-**
-** {F16121} The [sqlite3_create_function(D,...)] interface fails with an
+** {H16118} The [sqlite3_create_function(D,X,N,E,P,F,S,L)] interface
+** shall fail unless either F is NULL and S and L are non-NULL or
+*** F is non-NULL and S and L are NULL.
+**
+** {H16121} The [sqlite3_create_function(D,...)] interface shall fails with an
** error code of [SQLITE_BUSY] if there exist [prepared statements]
** associated with the [database connection] D.
**
-** {F16124} The [sqlite3_create_function(D,X,N,...)] interface fails with an
-** error code of [SQLITE_ERROR] if parameter N (specifying the number
-** of arguments to the SQL function being registered) is less
+** {H16124} The [sqlite3_create_function(D,X,N,...)] interface shall fail with
+** an error code of [SQLITE_ERROR] if parameter N is less
** than -1 or greater than 127.
**
-** {F16127} When N is non-negative, the [sqlite3_create_function(D,X,N,...)]
-** interface causes callbacks to be invoked for the SQL function
+** {H16127} When N is non-negative, the [sqlite3_create_function(D,X,N,...)]
+** interface shall register callbacks to be invoked for the
+** SQL function
** named X when the number of arguments to the SQL function is
** exactly N.
**
-** {F16130} When N is -1, the [sqlite3_create_function(D,X,N,...)]
-** interface causes callbacks to be invoked for the SQL function
-** named X with any number of arguments.
-**
-** {F16133} When calls to [sqlite3_create_function(D,X,N,...)]
+** {H16130} When N is -1, the [sqlite3_create_function(D,X,N,...)]
+** interface shall register callbacks to be invoked for the SQL
+** function named X with any number of arguments.
+**
+** {H16133} When calls to [sqlite3_create_function(D,X,N,...)]
** specify multiple implementations of the same function X
** and when one implementation has N>=0 and the other has N=(-1)
-** the implementation with a non-zero N is preferred.
-**
-** {F16136} When calls to [sqlite3_create_function(D,X,N,E,...)]
+** the implementation with a non-zero N shall be preferred.
+**
+** {H16136} When calls to [sqlite3_create_function(D,X,N,E,...)]
** specify multiple implementations of the same function X with
** the same number of arguments N but with different
** encodings E, then the implementation where E matches the
-** database encoding is preferred.
-**
-** {F16139} For an aggregate SQL function created using
+** database encoding shall preferred.
+**
+** {H16139} For an aggregate SQL function created using
** [sqlite3_create_function(D,X,N,E,P,0,S,L)] the finalizer
-** function L will always be invoked exactly once if the
+** function L shall always be invoked exactly once if the
** step function S is called one or more times.
**
-** {F16142} When SQLite invokes either the xFunc or xStep function of
+** {H16142} When SQLite invokes either the xFunc or xStep function of
** an application-defined SQL function or aggregate created
** by [sqlite3_create_function()] or [sqlite3_create_function16()],
** then the array of [sqlite3_value] objects passed as the
-** third parameter are always [protected sqlite3_value] objects.
+** third parameter shall be [protected sqlite3_value] objects.
*/
int sqlite3_create_function(
sqlite3 *db,
const char *zFunctionName,
@@ -3855,9 +4114,9 @@
void (*xFinal)(sqlite3_context*)
);
/*
-** CAPI3REF: Text Encodings {F10267}
+** CAPI3REF: Text Encodings {H10267} <S50200> <H16100>
**
** These constant define integer codes that represent the various
** text encodings supported by SQLite.
*/
@@ -3868,25 +4127,28 @@
#define SQLITE_ANY 5 /* sqlite3_create_function only */
#define SQLITE_UTF16_ALIGNED 8 /* sqlite3_create_collation only */
/*
-** CAPI3REF: Obsolete Functions
-**
-** These functions are all now obsolete. In order to maintain
-** backwards compatibility with older code, we continue to support
-** these functions. However, new development projects should avoid
+** CAPI3REF: Deprecated Functions
+** DEPRECATED
+**
+** These functions are [deprecated]. In order to maintain
+** backwards compatibility with older code, these functions continue
+** to be supported. However, new applications should avoid
** the use of these functions. To help encourage people to avoid
** using these functions, we are not going to tell you want they do.
*/
-int sqlite3_aggregate_count(sqlite3_context*);
-int sqlite3_expired(sqlite3_stmt*);
-int sqlite3_transfer_bindings(sqlite3_stmt*, sqlite3_stmt*);
-int sqlite3_global_recover(void);
-void sqlite3_thread_cleanup(void);
-int sqlite3_memory_alarm(void(*)(void*,sqlite3_int64,int),void*,sqlite3_int64);
-
-/*
-** CAPI3REF: Obtaining SQL Function Parameter Values {F15100}
+#ifndef SQLITE_OMIT_DEPRECATED
+SQLITE_DEPRECATED int sqlite3_aggregate_count(sqlite3_context*);
+SQLITE_DEPRECATED int sqlite3_expired(sqlite3_stmt*);
+SQLITE_DEPRECATED int sqlite3_transfer_bindings(sqlite3_stmt*, sqlite3_stmt*);
+SQLITE_DEPRECATED int sqlite3_global_recover(void);
+SQLITE_DEPRECATED void sqlite3_thread_cleanup(void);
+SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int64,int),void*,sqlite3_int64);
+#endif
+
+/*
+** CAPI3REF: Obtaining SQL Function Parameter Values {H15100} <S20200>
**
** The C-language implementation of SQL functions and aggregates uses
** this set of interface routines to access the parameter values on
** the function or aggregate.
@@ -3930,61 +4192,61 @@
** the SQL function that supplied the [sqlite3_value*] parameters.
**
** INVARIANTS:
**
-** {F15103} The [sqlite3_value_blob(V)] interface converts the
+** {H15103} The [sqlite3_value_blob(V)] interface converts the
** [protected sqlite3_value] object V into a BLOB and then
** returns a pointer to the converted value.
**
-** {F15106} The [sqlite3_value_bytes(V)] interface returns the
+** {H15106} The [sqlite3_value_bytes(V)] interface returns the
** number of bytes in the BLOB or string (exclusive of the
** zero terminator on the string) that was returned by the
** most recent call to [sqlite3_value_blob(V)] or
** [sqlite3_value_text(V)].
**
-** {F15109} The [sqlite3_value_bytes16(V)] interface returns the
+** {H15109} The [sqlite3_value_bytes16(V)] interface returns the
** number of bytes in the string (exclusive of the
** zero terminator on the string) that was returned by the
** most recent call to [sqlite3_value_text16(V)],
** [sqlite3_value_text16be(V)], or [sqlite3_value_text16le(V)].
**
-** {F15112} The [sqlite3_value_double(V)] interface converts the
+** {H15112} The [sqlite3_value_double(V)] interface converts the
** [protected sqlite3_value] object V into a floating point value and
** returns a copy of that value.
**
-** {F15115} The [sqlite3_value_int(V)] interface converts the
+** {H15115} The [sqlite3_value_int(V)] interface converts the
** [protected sqlite3_value] object V into a 64-bit signed integer and
** returns the lower 32 bits of that integer.
**
-** {F15118} The [sqlite3_value_int64(V)] interface converts the
+** {H15118} The [sqlite3_value_int64(V)] interface converts the
** [protected sqlite3_value] object V into a 64-bit signed integer and
** returns a copy of that integer.
**
-** {F15121} The [sqlite3_value_text(V)] interface converts the
+** {H15121} The [sqlite3_value_text(V)] interface converts the
** [protected sqlite3_value] object V into a zero-terminated UTF-8
** string and returns a pointer to that string.
**
-** {F15124} The [sqlite3_value_text16(V)] interface converts the
+** {H15124} The [sqlite3_value_text16(V)] interface converts the
** [protected sqlite3_value] object V into a zero-terminated 2-byte
** aligned UTF-16 native byte order
** string and returns a pointer to that string.
**
-** {F15127} The [sqlite3_value_text16be(V)] interface converts the
+** {H15127} The [sqlite3_value_text16be(V)] interface converts the
** [protected sqlite3_value] object V into a zero-terminated 2-byte
** aligned UTF-16 big-endian
** string and returns a pointer to that string.
**
-** {F15130} The [sqlite3_value_text16le(V)] interface converts the
+** {H15130} The [sqlite3_value_text16le(V)] interface converts the
** [protected sqlite3_value] object V into a zero-terminated 2-byte
** aligned UTF-16 little-endian
** string and returns a pointer to that string.
**
-** {F15133} The [sqlite3_value_type(V)] interface returns
+** {H15133} The [sqlite3_value_type(V)] interface returns
** one of [SQLITE_NULL], [SQLITE_INTEGER], [SQLITE_FLOAT],
** [SQLITE_TEXT], or [SQLITE_BLOB] as appropriate for
** the [sqlite3_value] object V.
**
-** {F15136} The [sqlite3_value_numeric_type(V)] interface converts
+** {H15136} The [sqlite3_value_numeric_type(V)] interface converts
** the [protected sqlite3_value] object V into either an integer or
** a floating point value if it can do so without loss of
** information, and returns one of [SQLITE_NULL],
** [SQLITE_INTEGER], [SQLITE_FLOAT], [SQLITE_TEXT], or
@@ -4004,9 +4266,9 @@
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);
/*
-** CAPI3REF: Obtain Aggregate Function Context {F16210}
+** CAPI3REF: Obtain Aggregate Function Context {H16210} <S20200>
**
** The implementation of aggregate SQL functions use this routine to allocate
** a structure for storing their state.
**
@@ -4028,30 +4290,30 @@
** the aggregate SQL function is running.
**
** INVARIANTS:
**
-** {F16211} The first invocation of [sqlite3_aggregate_context(C,N)] for
+** {H16211} The first invocation of [sqlite3_aggregate_context(C,N)] for
** a particular instance of an aggregate function (for a particular
** context C) causes SQLite to allocate N bytes of memory,
** zero that memory, and return a pointer to the allocated memory.
**
-** {F16213} If a memory allocation error occurs during
+** {H16213} If a memory allocation error occurs during
** [sqlite3_aggregate_context(C,N)] then the function returns 0.
**
-** {F16215} Second and subsequent invocations of
+** {H16215} Second and subsequent invocations of
** [sqlite3_aggregate_context(C,N)] for the same context pointer C
** ignore the N parameter and return a pointer to the same
** block of memory returned by the first invocation.
**
-** {F16217} The memory allocated by [sqlite3_aggregate_context(C,N)] is
+** {H16217} The memory allocated by [sqlite3_aggregate_context(C,N)] is
** automatically freed on the next call to [sqlite3_reset()]
** or [sqlite3_finalize()] for the [prepared statement] containing
** the aggregate function associated with context C.
*/
void *sqlite3_aggregate_context(sqlite3_context*, int nBytes);
/*
-** CAPI3REF: User Data For Functions {F16240}
+** CAPI3REF: User Data For Functions {H16240} <S20200>
**
** The sqlite3_user_data() interface returns a copy of
** the pointer that was the pUserData parameter (the 5th parameter)
** of the [sqlite3_create_function()]
@@ -4062,17 +4324,17 @@
** the application-defined function is running.
**
** INVARIANTS:
**
-** {F16243} The [sqlite3_user_data(C)] interface returns a copy of the
+** {H16243} The [sqlite3_user_data(C)] interface returns a copy of the
** P pointer from the [sqlite3_create_function(D,X,N,E,P,F,S,L)]
** or [sqlite3_create_function16(D,X,N,E,P,F,S,L)] call that
** registered the SQL function associated with [sqlite3_context] C.
*/
void *sqlite3_user_data(sqlite3_context*);
/*
-** CAPI3REF: Database Connection For Functions {F16250}
+** CAPI3REF: Database Connection For Functions {H16250} <S60600><S20200>
**
** The sqlite3_context_db_handle() interface returns a copy of
** the pointer to the [database connection] (the 1st parameter)
** of the [sqlite3_create_function()]
@@ -4080,17 +4342,17 @@
** registered the application defined function.
**
** INVARIANTS:
**
-** {F16253} The [sqlite3_context_db_handle(C)] interface returns a copy of the
+** {H16253} The [sqlite3_context_db_handle(C)] interface returns a copy of the
** D pointer from the [sqlite3_create_function(D,X,N,E,P,F,S,L)]
** or [sqlite3_create_function16(D,X,N,E,P,F,S,L)] call that
** registered the SQL function associated with [sqlite3_context] C.
*/
sqlite3 *sqlite3_context_db_handle(sqlite3_context*);
/*
-** CAPI3REF: Function Auxiliary Data {F16270}
+** CAPI3REF: Function Auxiliary Data {H16270} <S20200>
**
** The following two functions may be used by scalar SQL functions to
** associate metadata with argument values. If the same value is passed to
** multiple invocations of the same SQL function during query execution, under
@@ -4131,29 +4393,29 @@
** the SQL function is running.
**
** INVARIANTS:
**
-** {F16272} The [sqlite3_get_auxdata(C,N)] interface returns a pointer
+** {H16272} The [sqlite3_get_auxdata(C,N)] interface returns a pointer
** to metadata associated with the Nth parameter of the SQL function
** whose context is C, or NULL if there is no metadata associated
** with that parameter.
**
-** {F16274} The [sqlite3_set_auxdata(C,N,P,D)] interface assigns a metadata
+** {H16274} The [sqlite3_set_auxdata(C,N,P,D)] interface assigns a metadata
** pointer P to the Nth parameter of the SQL function with context C.
**
-** {F16276} SQLite will invoke the destructor D with a single argument
+** {H16276} SQLite will invoke the destructor D with a single argument
** which is the metadata pointer P following a call to
** [sqlite3_set_auxdata(C,N,P,D)] when SQLite ceases to hold
** the metadata.
**
-** {F16277} SQLite ceases to hold metadata for an SQL function parameter
+** {H16277} SQLite ceases to hold metadata for an SQL function parameter
** when the value of that parameter changes.
**
-** {F16278} When [sqlite3_set_auxdata(C,N,P,D)] is invoked, the destructor
+** {H16278} When [sqlite3_set_auxdata(C,N,P,D)] is invoked, the destructor
** is called for any prior metadata associated with the same function
** context C and parameter N.
**
-** {F16279} SQLite will call destructors for any metadata it is holding
+** {H16279} SQLite will call destructors for any metadata it is holding
** in a particular [prepared statement] S when either
** [sqlite3_reset(S)] or [sqlite3_finalize(S)] is called.
*/
void *sqlite3_get_auxdata(sqlite3_context*, int N);
@@ -4160,9 +4422,9 @@
void sqlite3_set_auxdata(sqlite3_context*, int N, void*, void (*)(void*));
/*
-** CAPI3REF: Constants Defining Special Destructor Behavior {F10280}
+** CAPI3REF: Constants Defining Special Destructor Behavior {H10280} <S30100>
**
** These are special values for the destructor that is passed in as the
** final argument to routines like [sqlite3_result_blob()]. If the destructor
** argument is SQLITE_STATIC, it means that the content pointer is constant
@@ -4178,9 +4440,9 @@
#define SQLITE_STATIC ((sqlite3_destructor_type)0)
#define SQLITE_TRANSIENT ((sqlite3_destructor_type)-1)
/*
-** CAPI3REF: Setting The Result Of An SQL Function {F16400}
+** CAPI3REF: Setting The Result Of An SQL Function {H16400} <S20200>
**
** These routines are used by the xFunc or xFinal callbacks that
** implement SQL functions and aggregates. See
** [sqlite3_create_function()] and [sqlite3_create_function16()]
@@ -4283,95 +4545,95 @@
** the [sqlite3_context] pointer, the results are undefined.
**
** INVARIANTS:
**
-** {F16403} The default return value from any SQL function is NULL.
-**
-** {F16406} The [sqlite3_result_blob(C,V,N,D)] interface changes the
+** {H16403} The default return value from any SQL function is NULL.
+**
+** {H16406} The [sqlite3_result_blob(C,V,N,D)] interface changes the
** return value of function C to be a BLOB that is N bytes
** in length and with content pointed to by V.
**
-** {F16409} The [sqlite3_result_double(C,V)] interface changes the
+** {H16409} The [sqlite3_result_double(C,V)] interface changes the
** return value of function C to be the floating point value V.
**
-** {F16412} The [sqlite3_result_error(C,V,N)] interface changes the return
+** {H16412} The [sqlite3_result_error(C,V,N)] interface changes the return
** value of function C to be an exception with error code
** [SQLITE_ERROR] and a UTF-8 error message copied from V up to the
** first zero byte or until N bytes are read if N is positive.
**
-** {F16415} The [sqlite3_result_error16(C,V,N)] interface changes the return
+** {H16415} The [sqlite3_result_error16(C,V,N)] interface changes the return
** value of function C to be an exception with error code
** [SQLITE_ERROR] and a UTF-16 native byte order error message
** copied from V up to the first zero terminator or until N bytes
** are read if N is positive.
**
-** {F16418} The [sqlite3_result_error_toobig(C)] interface changes the return
+** {H16418} The [sqlite3_result_error_toobig(C)] interface changes the return
** value of the function C to be an exception with error code
** [SQLITE_TOOBIG] and an appropriate error message.
**
-** {F16421} The [sqlite3_result_error_nomem(C)] interface changes the return
+** {H16421} The [sqlite3_result_error_nomem(C)] interface changes the return
** value of the function C to be an exception with error code
** [SQLITE_NOMEM] and an appropriate error message.
**
-** {F16424} The [sqlite3_result_error_code(C,E)] interface changes the return
+** {H16424} The [sqlite3_result_error_code(C,E)] interface changes the return
** value of the function C to be an exception with error code E.
** The error message text is unchanged.
**
-** {F16427} The [sqlite3_result_int(C,V)] interface changes the
+** {H16427} The [sqlite3_result_int(C,V)] interface changes the
** return value of function C to be the 32-bit integer value V.
**
-** {F16430} The [sqlite3_result_int64(C,V)] interface changes the
+** {H16430} The [sqlite3_result_int64(C,V)] interface changes the
** return value of function C to be the 64-bit integer value V.
**
-** {F16433} The [sqlite3_result_null(C)] interface changes the
+** {H16433} The [sqlite3_result_null(C)] interface changes the
** return value of function C to be NULL.
**
-** {F16436} The [sqlite3_result_text(C,V,N,D)] interface changes the
+** {H16436} The [sqlite3_result_text(C,V,N,D)] interface changes the
** return value of function C to be the UTF-8 string
** V up to the first zero if N is negative
** or the first N bytes of V if N is non-negative.
**
-** {F16439} The [sqlite3_result_text16(C,V,N,D)] interface changes the
+** {H16439} The [sqlite3_result_text16(C,V,N,D)] interface changes the
** return value of function C to be the UTF-16 native byte order
** string V up to the first zero if N is negative
** or the first N bytes of V if N is non-negative.
**
-** {F16442} The [sqlite3_result_text16be(C,V,N,D)] interface changes the
+** {H16442} The [sqlite3_result_text16be(C,V,N,D)] interface changes the
** return value of function C to be the UTF-16 big-endian
** string V up to the first zero if N is negative
** or the first N bytes or V if N is non-negative.
**
-** {F16445} The [sqlite3_result_text16le(C,V,N,D)] interface changes the
+** {H16445} The [sqlite3_result_text16le(C,V,N,D)] interface changes the
** return value of function C to be the UTF-16 little-endian
** string V up to the first zero if N is negative
** or the first N bytes of V if N is non-negative.
**
-** {F16448} The [sqlite3_result_value(C,V)] interface changes the
+** {H16448} The [sqlite3_result_value(C,V)] interface changes the
** return value of function C to be the [unprotected sqlite3_value]
** object V.
**
-** {F16451} The [sqlite3_result_zeroblob(C,N)] interface changes the
+** {H16451} The [sqlite3_result_zeroblob(C,N)] interface changes the
** return value of function C to be an N-byte BLOB of all zeros.
**
-** {F16454} The [sqlite3_result_error()] and [sqlite3_result_error16()]
+** {H16454} The [sqlite3_result_error()] and [sqlite3_result_error16()]
** interfaces make a copy of their error message strings before
** returning.
**
-** {F16457} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
+** {H16457} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
** [sqlite3_result_text(C,V,N,D)], [sqlite3_result_text16(C,V,N,D)],
** [sqlite3_result_text16be(C,V,N,D)], or
** [sqlite3_result_text16le(C,V,N,D)] is the constant [SQLITE_STATIC]
** then no destructor is ever called on the pointer V and SQLite
** assumes that V is immutable.
**
-** {F16460} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
+** {H16460} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
** [sqlite3_result_text(C,V,N,D)], [sqlite3_result_text16(C,V,N,D)],
** [sqlite3_result_text16be(C,V,N,D)], or
** [sqlite3_result_text16le(C,V,N,D)] is the constant
** [SQLITE_TRANSIENT] then the interfaces makes a copy of the
** content of V and retains the copy.
**
-** {F16463} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
+** {H16463} If the D destructor parameter to [sqlite3_result_blob(C,V,N,D)],
** [sqlite3_result_text(C,V,N,D)], [sqlite3_result_text16(C,V,N,D)],
** [sqlite3_result_text16be(C,V,N,D)], or
** [sqlite3_result_text16le(C,V,N,D)] is some value other than
** the constants [SQLITE_STATIC] and [SQLITE_TRANSIENT] then
@@ -4395,9 +4657,9 @@
void sqlite3_result_value(sqlite3_context*, sqlite3_value*);
void sqlite3_result_zeroblob(sqlite3_context*, int n);
/*
-** CAPI3REF: Define New Collating Sequences {F16600}
+** CAPI3REF: Define New Collating Sequences {H16600} <S20300>
**
** These functions are used to add new collation sequences to the
** [database connection] specified as the first argument.
**
@@ -4438,51 +4700,51 @@
** using [sqlite3_close()].
**
** INVARIANTS:
**
-** {F16603} A successful call to the
+** {H16603} A successful call to the
** [sqlite3_create_collation_v2(B,X,E,P,F,D)] interface
** registers function F as the comparison function used to
** implement collation X on the [database connection] B for
** databases having encoding E.
**
-** {F16604} SQLite understands the X parameter to
+** {H16604} SQLite understands the X parameter to
** [sqlite3_create_collation_v2(B,X,E,P,F,D)] as a zero-terminated
** UTF-8 string in which case is ignored for ASCII characters and
** is significant for non-ASCII characters.
**
-** {F16606} Successive calls to [sqlite3_create_collation_v2(B,X,E,P,F,D)]
+** {H16606} Successive calls to [sqlite3_create_collation_v2(B,X,E,P,F,D)]
** with the same values for B, X, and E, override prior values
** of P, F, and D.
**
-** {F16609} If the destructor D in [sqlite3_create_collation_v2(B,X,E,P,F,D)]
+** {H16609} If the destructor D in [sqlite3_create_collation_v2(B,X,E,P,F,D)]
** is not NULL then it is called with argument P when the
** collating function is dropped by SQLite.
**
-** {F16612} A collating function is dropped when it is overloaded.
-**
-** {F16615} A collating function is dropped when the database connection
+** {H16612} A collating function is dropped when it is overloaded.
+**
+** {H16615} A collating function is dropped when the database connection
** is closed using [sqlite3_close()].
**
-** {F16618} The pointer P in [sqlite3_create_collation_v2(B,X,E,P,F,D)]
+** {H16618} The pointer P in [sqlite3_create_collation_v2(B,X,E,P,F,D)]
** is passed through as the first parameter to the comparison
** function F for all subsequent invocations of F.
**
-** {F16621} A call to [sqlite3_create_collation(B,X,E,P,F)] is exactly
+** {H16621} A call to [sqlite3_create_collation(B,X,E,P,F)] is exactly
** the same as a call to [sqlite3_create_collation_v2()] with
** the same parameters and a NULL destructor.
**
-** {F16624} Following a [sqlite3_create_collation_v2(B,X,E,P,F,D)],
+** {H16624} Following a [sqlite3_create_collation_v2(B,X,E,P,F,D)],
** SQLite uses the comparison function F for all text comparison
** operations on the [database connection] B on text values that
** use the collating sequence named X.
**
-** {F16627} The [sqlite3_create_collation16(B,X,E,P,F)] works the same
+** {H16627} The [sqlite3_create_collation16(B,X,E,P,F)] works the same
** as [sqlite3_create_collation(B,X,E,P,F)] except that the
** collation name X is understood as UTF-16 in native byte order
** instead of UTF-8.
**
-** {F16630} When multiple comparison functions are available for the same
+** {H16630} When multiple comparison functions are available for the same
** collating sequence, SQLite chooses the one whose text encoding
** requires the least amount of conversion from the default
** text encoding of the database.
*/
@@ -4509,9 +4771,9 @@
int(*xCompare)(void*,int,const void*,int,const void*)
);
/*
-** CAPI3REF: Collation Needed Callbacks {F16700}
+** CAPI3REF: Collation Needed Callbacks {H16700} <S20300>
**
** To avoid having to register all collation sequences before a database
** can be used, a single callback function may be registered with the
** [database connection] to be called whenever an undefined collation
@@ -4518,9 +4780,9 @@
** sequence is required.
**
** If the function is registered using the sqlite3_collation_needed() API,
** then it is passed the names of undefined collation sequences as strings
-** encoded in UTF-8. {F16703} If sqlite3_collation_needed16() is used,
+** encoded in UTF-8. {H16703} If sqlite3_collation_needed16() is used,
** the names are passed as UTF-16 in machine native byte order.
** A call to either function replaces any existing callback.
**
** When the callback is invoked, the first argument passed is a copy
@@ -4536,20 +4798,20 @@
** [sqlite3_create_collation_v2()].
**
** INVARIANTS:
**
-** {F16702} A successful call to [sqlite3_collation_needed(D,P,F)]
+** {H16702} A successful call to [sqlite3_collation_needed(D,P,F)]
** or [sqlite3_collation_needed16(D,P,F)] causes
** the [database connection] D to invoke callback F with first
** parameter P whenever it needs a comparison function for a
** collating sequence that it does not know about.
**
-** {F16704} Each successful call to [sqlite3_collation_needed()] or
+** {H16704} Each successful call to [sqlite3_collation_needed()] or
** [sqlite3_collation_needed16()] overrides the callback registered
** on the same [database connection] by prior calls to either
** interface.
**
-** {F16706} The name of the requested collating function passed in the
+** {H16706} The name of the requested collating function passed in the
** 4th parameter to the callback is in UTF-8 if the callback
** was registered using [sqlite3_collation_needed()] and
** is in UTF-16 native byte order if the callback was
** registered using [sqlite3_collation_needed16()].
@@ -4590,9 +4852,9 @@
const void *pKey, int nKey /* The new key */
);
/*
-** CAPI3REF: Suspend Execution For A Short Time {F10530}
+** CAPI3REF: Suspend Execution For A Short Time {H10530} <S40410>
**
** The sqlite3_sleep() function causes the current thread to suspend execution
** for at least a number of milliseconds specified in its parameter.
**
@@ -4605,21 +4867,21 @@
** method of the default [sqlite3_vfs] object.
**
** INVARIANTS:
**
-** {F10533} The [sqlite3_sleep(M)] interface invokes the xSleep
+** {H10533} The [sqlite3_sleep(M)] interface invokes the xSleep
** method of the default [sqlite3_vfs|VFS] in order to
** suspend execution of the current thread for at least
** M milliseconds.
**
-** {F10536} The [sqlite3_sleep(M)] interface returns the number of
+** {H10536} The [sqlite3_sleep(M)] interface returns the number of
** milliseconds of sleep actually requested of the operating
** system, which might be larger than the parameter M.
*/
int sqlite3_sleep(int);
/*
-** CAPI3REF: Name Of The Folder Holding Temporary Files {F10310}
+** CAPI3REF: Name Of The Folder Holding Temporary Files {H10310} <S20000>
**
** If this global variable is made to point to a string which is
** the name of a folder (a.k.a. directory), then all temporary files
** created by SQLite will be placed in that directory. If this variable
@@ -4633,9 +4895,9 @@
*/
SQLITE_EXTERN char *sqlite3_temp_directory;
/*
-** CAPI3REF: Test To See If The Database Is In Auto-Commit Mode {F12930}
+** CAPI3REF: Test For Auto-Commit Mode {H12930} <S60200>
** KEYWORDS: {autocommit mode}
**
** The sqlite3_get_autocommit() interface returns non-zero or
** zero if the given database connection is or is not in autocommit mode,
@@ -4651,20 +4913,20 @@
** an error is to use this function.
**
** INVARIANTS:
**
-** {F12931} The [sqlite3_get_autocommit(D)] interface returns non-zero or
+** {H12931} The [sqlite3_get_autocommit(D)] interface returns non-zero or
** zero if the [database connection] D is or is not in autocommit
** mode, respectively.
**
-** {F12932} Autocommit mode is on by default.
-**
-** {F12933} Autocommit mode is disabled by a successful [BEGIN] statement.
-**
-** {F12934} Autocommit mode is enabled by a successful [COMMIT] or [ROLLBACK]
+** {H12932} Autocommit mode is on by default.
+**
+** {H12933} Autocommit mode is disabled by a successful [BEGIN] statement.
+**
+** {H12934} Autocommit mode is enabled by a successful [COMMIT] or [ROLLBACK]
** statement.
**
-** LIMITATIONS:
+** ASSUMPTIONS:
**
** {A12936} If another thread changes the autocommit status of the database
** connection while this routine is running, then the return value
** is undefined.
@@ -4671,9 +4933,9 @@
*/
int sqlite3_get_autocommit(sqlite3*);
/*
-** CAPI3REF: Find The Database Handle Of A Prepared Statement {F13120}
+** CAPI3REF: Find The Database Handle Of A Prepared Statement {H13120} <S60600>
**
** The sqlite3_db_handle interface returns the [database connection] handle
** to which a [prepared statement] belongs. The database handle returned by
** sqlite3_db_handle is the same database handle that was the first argument
@@ -4681,16 +4943,16 @@
** create the statement in the first place.
**
** INVARIANTS:
**
-** {F13123} The [sqlite3_db_handle(S)] interface returns a pointer
+** {H13123} The [sqlite3_db_handle(S)] interface returns a pointer
** to the [database connection] associated with the
** [prepared statement] S.
*/
sqlite3 *sqlite3_db_handle(sqlite3_stmt*);
/*
-** CAPI3REF: Find the next prepared statement {F13140}
+** CAPI3REF: Find the next prepared statement {H13140} <S60600>
**
** This interface returns a pointer to the next [prepared statement] after
** pStmt associated with the [database connection] pDb. If pStmt is NULL
** then this interface returns a pointer to the first prepared statement
@@ -4698,30 +4960,36 @@
** satisfies the conditions of this routine, it returns NULL.
**
** INVARIANTS:
**
-** {F13143} If D is a [database connection] that holds one or more
+** {H13143} If D is a [database connection] that holds one or more
** unfinalized [prepared statements] and S is a NULL pointer,
** then [sqlite3_next_stmt(D, S)] routine shall return a pointer
** to one of the prepared statements associated with D.
**
-** {F13146} If D is a [database connection] that holds no unfinalized
+** {H13146} If D is a [database connection] that holds no unfinalized
** [prepared statements] and S is a NULL pointer, then
** [sqlite3_next_stmt(D, S)] routine shall return a NULL pointer.
**
-** {F13149} If S is a [prepared statement] in the [database connection] D
+** {H13149} If S is a [prepared statement] in the [database connection] D
** and S is not the last prepared statement in D, then
** [sqlite3_next_stmt(D, S)] routine shall return a pointer
** to the next prepared statement in D after S.
**
-** {F13152} If S is the last [prepared statement] in the
+** {H13152} If S is the last [prepared statement] in the
** [database connection] D then the [sqlite3_next_stmt(D, S)]
** routine shall return a NULL pointer.
+**
+** ASSUMPTIONS:
+**
+** {A13154} The [database connection] pointer D in a call to
+** [sqlite3_next_stmt(D,S)] must refer to an open database
+** connection and in particular must not be a NULL pointer.
*/
sqlite3_stmt *sqlite3_next_stmt(sqlite3 *pDb, sqlite3_stmt *pStmt);
/*
-** CAPI3REF: Commit And Rollback Notification Callbacks {F12950}
+** CAPI3REF: Commit And Rollback Notification Callbacks {H12950} <S60400>
**
** The sqlite3_commit_hook() interface registers a callback
** function to be invoked whenever a transaction is committed.
** Any callback set by a previous call to sqlite3_commit_hook()
@@ -4736,8 +5004,16 @@
**
** If another function was previously registered, its
** pArg value is returned. Otherwise NULL is returned.
**
+** The callback implementation must not do anything that will modify
+** the database connection that invoked the callback. Any actions
+** to modify the database connection must be deferred until after the
+** completion of the [sqlite3_step()] call that triggered the commit
+** or rollback hook in the first place.
+** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
+** database connections for the meaning of "modify" in this paragraph.
+**
** Registering a NULL function disables the callback.
**
** For the purposes of this API, a transaction is said to have been
** rolled back if an explicit "ROLLBACK" statement is executed, or
@@ -4747,51 +5023,49 @@
** The rollback callback is not invoked if a transaction is
** rolled back because a commit callback returned non-zero.
** <todo> Check on this </todo>
**
-** These are experimental interfaces and are subject to change.
-**
** INVARIANTS:
**
-** {F12951} The [sqlite3_commit_hook(D,F,P)] interface registers the
+** {H12951} The [sqlite3_commit_hook(D,F,P)] interface registers the
** callback function F to be invoked with argument P whenever
** a transaction commits on the [database connection] D.
**
-** {F12952} The [sqlite3_commit_hook(D,F,P)] interface returns the P argument
+** {H12952} The [sqlite3_commit_hook(D,F,P)] interface returns the P argument
** from the previous call with the same [database connection] D,
** or NULL on the first call for a particular database connection D.
**
-** {F12953} Each call to [sqlite3_commit_hook()] overwrites the callback
+** {H12953} Each call to [sqlite3_commit_hook()] overwrites the callback
** registered by prior calls.
**
-** {F12954} If the F argument to [sqlite3_commit_hook(D,F,P)] is NULL
+** {H12954} If the F argument to [sqlite3_commit_hook(D,F,P)] is NULL
** then the commit hook callback is canceled and no callback
** is invoked when a transaction commits.
**
-** {F12955} If the commit callback returns non-zero then the commit is
+** {H12955} If the commit callback returns non-zero then the commit is
** converted into a rollback.
**
-** {F12961} The [sqlite3_rollback_hook(D,F,P)] interface registers the
+** {H12961} The [sqlite3_rollback_hook(D,F,P)] interface registers the
** callback function F to be invoked with argument P whenever
** a transaction rolls back on the [database connection] D.
**
-** {F12962} The [sqlite3_rollback_hook(D,F,P)] interface returns the P
+** {H12962} The [sqlite3_rollback_hook(D,F,P)] interface returns the P
** argument from the previous call with the same
** [database connection] D, or NULL on the first call
** for a particular database connection D.
**
-** {F12963} Each call to [sqlite3_rollback_hook()] overwrites the callback
+** {H12963} Each call to [sqlite3_rollback_hook()] overwrites the callback
** registered by prior calls.
**
-** {F12964} If the F argument to [sqlite3_rollback_hook(D,F,P)] is NULL
+** {H12964} If the F argument to [sqlite3_rollback_hook(D,F,P)] is NULL
** then the rollback hook callback is canceled and no callback
** is invoked when a transaction rolls back.
*/
void *sqlite3_commit_hook(sqlite3*, int(*)(void*), void*);
void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*);
/*
-** CAPI3REF: Data Change Notification Callbacks {F12970}
+** CAPI3REF: Data Change Notification Callbacks {H12970} <S60400>
**
** The sqlite3_update_hook() interface registers a callback function
** with the [database connection] identified by the first argument
** to be invoked whenever a row is updated, inserted or deleted.
@@ -4812,40 +5086,47 @@
**
** The update hook is not invoked when internal system tables are
** modified (i.e. sqlite_master and sqlite_sequence).
**
+** The update hook implementation must not do anything that will modify
+** the database connection that invoked the update hook. Any actions
+** to modify the database connection must be deferred until after the
+** completion of the [sqlite3_step()] call that triggered the update hook.
+** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
+** database connections for the meaning of "modify" in this paragraph.
+**
** If another function was previously registered, its pArg value
** is returned. Otherwise NULL is returned.
**
** INVARIANTS:
**
-** {F12971} The [sqlite3_update_hook(D,F,P)] interface causes the callback
+** {H12971} The [sqlite3_update_hook(D,F,P)] interface causes the callback
** function F to be invoked with first parameter P whenever
** a table row is modified, inserted, or deleted on
** the [database connection] D.
**
-** {F12973} The [sqlite3_update_hook(D,F,P)] interface returns the value
+** {H12973} The [sqlite3_update_hook(D,F,P)] interface returns the value
** of P for the previous call on the same [database connection] D,
** or NULL for the first call.
**
-** {F12975} If the update hook callback F in [sqlite3_update_hook(D,F,P)]
+** {H12975} If the update hook callback F in [sqlite3_update_hook(D,F,P)]
** is NULL then the no update callbacks are made.
**
-** {F12977} Each call to [sqlite3_update_hook(D,F,P)] overrides prior calls
+** {H12977} Each call to [sqlite3_update_hook(D,F,P)] overrides prior calls
** to the same interface on the same [database connection] D.
**
-** {F12979} The update hook callback is not invoked when internal system
+** {H12979} The update hook callback is not invoked when internal system
** tables such as sqlite_master and sqlite_sequence are modified.
**
-** {F12981} The second parameter to the update callback
+** {H12981} The second parameter to the update callback
** is one of [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE],
** depending on the operation that caused the callback to be invoked.
**
-** {F12983} The third and fourth arguments to the callback contain pointers
+** {H12983} The third and fourth arguments to the callback contain pointers
** to zero-terminated UTF-8 strings which are the names of the
** database and table that is being updated.
-** {F12985} The final callback parameter is the rowid of the row after
+** {H12985} The final callback parameter is the rowid of the row after
** the change occurs.
*/
void *sqlite3_update_hook(
sqlite3*,
@@ -4853,9 +5134,9 @@
void*
);
/*
-** CAPI3REF: Enable Or Disable Shared Pager Cache {F10330}
+** CAPI3REF: Enable Or Disable Shared Pager Cache {H10330} <S30900>
** KEYWORDS: {shared cache} {shared cache mode}
**
** This routine enables or disables the sharing of the database cache
** and schema data structures between [database connection | connections]
@@ -4883,24 +5164,24 @@
** cache setting should set it explicitly.
**
** INVARIANTS:
**
-** {F10331} A successful invocation of [sqlite3_enable_shared_cache(B)]
+** {H10331} A successful invocation of [sqlite3_enable_shared_cache(B)]
** will enable or disable shared cache mode for any subsequently
** created [database connection] in the same process.
**
-** {F10336} When shared cache is enabled, the [sqlite3_create_module()]
+** {H10336} When shared cache is enabled, the [sqlite3_create_module()]
** interface will always return an error.
**
-** {F10337} The [sqlite3_enable_shared_cache(B)] interface returns
+** {H10337} The [sqlite3_enable_shared_cache(B)] interface returns
** [SQLITE_OK] if shared cache was enabled or disabled successfully.
**
-** {F10339} Shared cache is disabled by default.
+** {H10339} Shared cache is disabled by default.
*/
int sqlite3_enable_shared_cache(int);
/*
-** CAPI3REF: Attempt To Free Heap Memory {F17340}
+** CAPI3REF: Attempt To Free Heap Memory {H17340} <S30220>
**
** The sqlite3_release_memory() interface attempts to free N bytes
** of heap memory by deallocating non-essential memory allocations
** held by the database library. {END} Memory used to cache database
@@ -4909,20 +5190,20 @@
** which might be more or less than the amount requested.
**
** INVARIANTS:
**
-** {F17341} The [sqlite3_release_memory(N)] interface attempts to
+** {H17341} The [sqlite3_release_memory(N)] interface attempts to
** free N bytes of heap memory by deallocating non-essential
** memory allocations held by the database library.
**
-** {F16342} The [sqlite3_release_memory(N)] returns the number
+** {H16342} The [sqlite3_release_memory(N)] returns the number
** of bytes actually freed, which might be more or less
** than the amount requested.
*/
int sqlite3_release_memory(int);
/*
-** CAPI3REF: Impose A Limit On Heap Size {F17350}
+** CAPI3REF: Impose A Limit On Heap Size {H17350} <S30220>
**
** The sqlite3_soft_heap_limit() interface places a "soft" limit
** on the amount of heap memory that may be allocated by SQLite.
** If an internal allocation is requested that would exceed the
@@ -4951,38 +5232,38 @@
** individual threads.
**
** INVARIANTS:
**
-** {F16351} The [sqlite3_soft_heap_limit(N)] interface places a soft limit
+** {H16351} The [sqlite3_soft_heap_limit(N)] interface places a soft limit
** of N bytes on the amount of heap memory that may be allocated
** using [sqlite3_malloc()] or [sqlite3_realloc()] at any point
** in time.
**
-** {F16352} If a call to [sqlite3_malloc()] or [sqlite3_realloc()] would
+** {H16352} If a call to [sqlite3_malloc()] or [sqlite3_realloc()] would
** cause the total amount of allocated memory to exceed the
** soft heap limit, then [sqlite3_release_memory()] is invoked
** in an attempt to reduce the memory usage prior to proceeding
** with the memory allocation attempt.
**
-** {F16353} Calls to [sqlite3_malloc()] or [sqlite3_realloc()] that trigger
+** {H16353} Calls to [sqlite3_malloc()] or [sqlite3_realloc()] that trigger
** attempts to reduce memory usage through the soft heap limit
** mechanism continue even if the attempt to reduce memory
** usage is unsuccessful.
**
-** {F16354} A negative or zero value for N in a call to
+** {H16354} A negative or zero value for N in a call to
** [sqlite3_soft_heap_limit(N)] means that there is no soft
** heap limit and [sqlite3_release_memory()] will only be
** called when memory is completely exhausted.
**
-** {F16355} The default value for the soft heap limit is zero.
-**
-** {F16358} Each call to [sqlite3_soft_heap_limit(N)] overrides the
+** {H16355} The default value for the soft heap limit is zero.
+**
+** {H16358} Each call to [sqlite3_soft_heap_limit(N)] overrides the
** values set by all prior calls.
*/
void sqlite3_soft_heap_limit(int);
/*
-** CAPI3REF: Extract Metadata About A Column Of A Table {F12850}
+** CAPI3REF: Extract Metadata About A Column Of A Table {H12850} <S60300>
**
** This routine returns metadata about a specific column of a specific
** database table accessible using the [database connection] handle
** passed as the first function argument.
@@ -5054,30 +5335,30 @@
int *pAutoinc /* OUTPUT: True if column is auto-increment */
);
/*
-** CAPI3REF: Load An Extension {F12600}
+** CAPI3REF: Load An Extension {H12600} <S20500>
**
** This interface loads an SQLite extension library from the named file.
**
-** {F12601} The sqlite3_load_extension() interface attempts to load an
+** {H12601} The sqlite3_load_extension() interface attempts to load an
** SQLite extension library contained in the file zFile.
**
-** {F12602} The entry point is zProc.
-**
-** {F12603} zProc may be 0, in which case the name of the entry point
+** {H12602} The entry point is zProc.
+**
+** {H12603} zProc may be 0, in which case the name of the entry point
** defaults to "sqlite3_extension_init".
**
-** {F12604} The sqlite3_load_extension() interface shall return
+** {H12604} The sqlite3_load_extension() interface shall return
** [SQLITE_OK] on success and [SQLITE_ERROR] if something goes wrong.
**
-** {F12605} If an error occurs and pzErrMsg is not 0, then the
+** {H12605} If an error occurs and pzErrMsg is not 0, then the
** [sqlite3_load_extension()] interface shall attempt to
** fill *pzErrMsg with error message text stored in memory
** obtained from [sqlite3_malloc()]. {END} The calling function
** should free this memory by calling [sqlite3_free()].
**
-** {F12606} Extension loading must be enabled using
+** {H12606} Extension loading must be enabled using
** [sqlite3_enable_load_extension()] prior to calling this API,
** otherwise an error will be returned.
*/
int sqlite3_load_extension(
@@ -5087,9 +5368,9 @@
char **pzErrMsg /* Put error message here if not 0 */
);
/*
-** CAPI3REF: Enable Or Disable Extension Loading {F12620}
+** CAPI3REF: Enable Or Disable Extension Loading {H12620} <S20500>
**
** So as not to open security holes in older applications that are
** unprepared to deal with extension loading, and as a means of disabling
** extension loading while evaluating user-entered SQL, the following API
@@ -5096,18 +5377,18 @@
** is provided to turn the [sqlite3_load_extension()] mechanism on and off.
**
** Extension loading is off by default. See ticket #1863.
**
-** {F12621} Call the sqlite3_enable_load_extension() routine with onoff==1
+** {H12621} Call the sqlite3_enable_load_extension() routine with onoff==1
** to turn extension loading on and call it with onoff==0 to turn
** it back off again.
**
-** {F12622} Extension loading is off by default.
+** {H12622} Extension loading is off by default.
*/
int sqlite3_enable_load_extension(sqlite3 *db, int onoff);
/*
-** CAPI3REF: Make Arrangements To Automatically Load An Extension {F12640}
+** CAPI3REF: Automatically Load An Extensions {H12640} <S20500>
**
** This API can be invoked at program startup in order to register
** one or more statically linked extensions that will be available
** to all new [database connections]. {END}
@@ -5116,40 +5397,34 @@
** obtained from [sqlite3_malloc()]. If you run a memory leak checker
** on your program and it reports a leak because of this array, invoke
** [sqlite3_reset_auto_extension()] prior to shutdown to free the memory.
**
-** This interface is experimental and is subject to change or
-** removal in future releases of SQLite.
-**
-** {F12641} This function registers an extension entry point that is
+** {H12641} This function registers an extension entry point that is
** automatically invoked whenever a new [database connection]
** is opened using [sqlite3_open()], [sqlite3_open16()],
** or [sqlite3_open_v2()].
**
-** {F12642} Duplicate extensions are detected so calling this routine
+** {H12642} Duplicate extensions are detected so calling this routine
** multiple times with the same extension is harmless.
**
-** {F12643} This routine stores a pointer to the extension in an array
+** {H12643} This routine stores a pointer to the extension in an array
** that is obtained from [sqlite3_malloc()].
**
-** {F12644} Automatic extensions apply across all threads.
+** {H12644} Automatic extensions apply across all threads.
*/
int sqlite3_auto_extension(void *xEntryPoint);
/*
-** CAPI3REF: Reset Automatic Extension Loading {F12660}
+** CAPI3REF: Reset Automatic Extension Loading {H12660} <S20500>
**
** This function disables all previously registered automatic
** extensions. {END} It undoes the effect of all prior
** [sqlite3_auto_extension()] calls.
**
-** This interface is experimental and is subject to change or
-** removal in future releases of SQLite.
-**
-** {F12661} This function disables all previously registered
+** {H12661} This function disables all previously registered
** automatic extensions.
**
-** {F12662} This function disables automatic extensions in all threads.
+** {H12662} This function disables automatic extensions in all threads.
*/
void sqlite3_reset_auto_extension(void);
/*
@@ -5171,10 +5446,11 @@
typedef struct sqlite3_vtab_cursor sqlite3_vtab_cursor;
typedef struct sqlite3_module sqlite3_module;
/*
-** CAPI3REF: Virtual Table Object {F18000}
+** CAPI3REF: Virtual Table Object {H18000} <S20400>
** KEYWORDS: sqlite3_module
+** EXPERIMENTAL
**
** A module is a class of virtual tables. Each module is defined
** by an instance of the following structure. This structure consists
** mostly of methods for the module.
@@ -5208,15 +5484,15 @@
int (*xRollback)(sqlite3_vtab *pVTab);
int (*xFindFunction)(sqlite3_vtab *pVtab, int nArg, const char *zName,
void (**pxFunc)(sqlite3_context*,int,sqlite3_value**),
void **ppArg);
-
int (*xRename)(sqlite3_vtab *pVtab, const char *zNew);
};
/*
-** CAPI3REF: Virtual Table Indexing Information {F18100}
+** CAPI3REF: Virtual Table Indexing Information {H18100} <S20400>
** KEYWORDS: sqlite3_index_info
+** EXPERIMENTAL
**
** The sqlite3_index_info structure and its substructures is used to
** pass information into and receive the reply from the xBestIndex
** method of an sqlite3_module. The fields under **Inputs** are the
@@ -5277,9 +5553,8 @@
struct sqlite3_index_orderby {
int iColumn; /* Column number */
unsigned char desc; /* True for DESC. False for ASC. */
} *aOrderBy; /* The ORDER BY clause */
-
/* Outputs */
struct sqlite3_index_constraint_usage {
int argvIndex; /* if >0, constraint is part of argv to xFilter */
unsigned char omit; /* Do not code a test for this constraint */
@@ -5297,9 +5572,10 @@
#define SQLITE_INDEX_CONSTRAINT_GE 32
#define SQLITE_INDEX_CONSTRAINT_MATCH 64
/*
-** CAPI3REF: Register A Virtual Table Implementation {F18200}
+** CAPI3REF: Register A Virtual Table Implementation {H18200} <S20400>
+** EXPERIMENTAL
**
** This routine is used to register a new module name with a
** [database connection]. Module names must be registered before
** creating new virtual tables on the module, or before using
@@ -5307,23 +5583,24 @@
**
** This interface is experimental and is subject to change or
** removal in future releases of SQLite.
*/
-int sqlite3_create_module(
+SQLITE_EXPERIMENTAL int sqlite3_create_module(
sqlite3 *db, /* SQLite connection to register module with */
const char *zName, /* Name of the module */
const sqlite3_module *, /* Methods for the module */
void * /* Client data for xCreate/xConnect */
);
/*
-** CAPI3REF: Register A Virtual Table Implementation {F18210}
+** CAPI3REF: Register A Virtual Table Implementation {H18210} <S20400>
+** EXPERIMENTAL
**
** This routine is identical to the [sqlite3_create_module()] method above,
** except that it allows a destructor function to be specified. It is
** even more experimental than the rest of the virtual tables API.
*/
-int sqlite3_create_module_v2(
+SQLITE_EXPERIMENTAL int sqlite3_create_module_v2(
sqlite3 *db, /* SQLite connection to register module with */
const char *zName, /* Name of the module */
const sqlite3_module *, /* Methods for the module */
void *, /* Client data for xCreate/xConnect */
@@ -5330,10 +5607,11 @@
void(*xDestroy)(void*) /* Module destructor function */
);
/*
-** CAPI3REF: Virtual Table Instance Object {F18010}
+** CAPI3REF: Virtual Table Instance Object {H18010} <S20400>
** KEYWORDS: sqlite3_vtab
+** EXPERIMENTAL
**
** Every module implementation uses a subclass of the following structure
** to describe a particular instance of the module. Each subclass will
** be tailored to the specific needs of the module implementation.
@@ -5360,10 +5638,11 @@
/* Virtual table implementations will typically add additional fields */
};
/*
-** CAPI3REF: Virtual Table Cursor Object {F18020}
+** CAPI3REF: Virtual Table Cursor Object {H18020} <S20400>
** KEYWORDS: sqlite3_vtab_cursor
+** EXPERIMENTAL
**
** Every module implementation uses a subclass of the following structure
** to describe cursors that point into the virtual table and are used
** to loop through the virtual table. Cursors are created using the
@@ -5381,9 +5660,10 @@
/* Virtual table implementations will typically add additional fields */
};
/*
-** CAPI3REF: Declare The Schema Of A Virtual Table {F18280}
+** CAPI3REF: Declare The Schema Of A Virtual Table {H18280} <S20400>
+** EXPERIMENTAL
**
** The xCreate and xConnect methods of a module use the following API
** to declare the format (the names and datatypes of the columns) of
** the virtual tables they implement.
@@ -5390,12 +5670,13 @@
**
** This interface is experimental and is subject to change or
** removal in future releases of SQLite.
*/
-int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);
-
-/*
-** CAPI3REF: Overload A Function For A Virtual Table {F18300}
+SQLITE_EXPERIMENTAL int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);
+
+/*
+** CAPI3REF: Overload A Function For A Virtual Table {H18300} <S20400>
+** EXPERIMENTAL
**
** Virtual tables can provide alternative implementations of functions
** using the xFindFunction method. But global versions of those functions
** must exist in order to be overloaded.
@@ -5410,9 +5691,9 @@
**
** This API should be considered part of the virtual table interface,
** which is experimental and subject to change.
*/
-int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg);
+SQLITE_EXPERIMENTAL int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg);
/*
** The interface to the virtual-table mechanism defined above (back up
** to a comment remarkably similar to this one) is currently considered
@@ -5425,9 +5706,9 @@
****** EXPERIMENTAL - subject to change without notice **************
*/
/*
-** CAPI3REF: A Handle To An Open BLOB {F17800}
+** CAPI3REF: A Handle To An Open BLOB {H17800} <S30230>
** KEYWORDS: {BLOB handle} {BLOB handles}
**
** An instance of this object represents an open BLOB on which
** [sqlite3_blob_open | incremental BLOB I/O] can be performed.
@@ -5439,9 +5720,9 @@
*/
typedef struct sqlite3_blob sqlite3_blob;
/*
-** CAPI3REF: Open A BLOB For Incremental I/O {F17810}
+** CAPI3REF: Open A BLOB For Incremental I/O {H17810} <S30230>
**
** This interfaces opens a [BLOB handle | handle] to the BLOB located
** in row iRow, column zColumn, table zTable in database zDb;
** in other words, the same BLOB that would be selected by:
@@ -5477,30 +5758,31 @@
** commit if the transaction continues to completion.
**
** INVARIANTS:
**
-** {F17813} A successful invocation of the [sqlite3_blob_open(D,B,T,C,R,F,P)]
+** {H17813} A successful invocation of the [sqlite3_blob_open(D,B,T,C,R,F,P)]
** interface shall open an [sqlite3_blob] object P on the BLOB
** in column C of the table T in the database B on
** the [database connection] D.
**
-** {F17814} A successful invocation of [sqlite3_blob_open(D,...)] shall start
+** {H17814} A successful invocation of [sqlite3_blob_open(D,...)] shall start
** a new transaction on the [database connection] D if that
** connection is not already in a transaction.
**
-** {F17816} The [sqlite3_blob_open(D,B,T,C,R,F,P)] interface shall open
+** {H17816} The [sqlite3_blob_open(D,B,T,C,R,F,P)] interface shall open
** the BLOB for read and write access if and only if the F
** parameter is non-zero.
**
-** {F17819} The [sqlite3_blob_open()] interface shall return [SQLITE_OK] on
+** {H17819} The [sqlite3_blob_open()] interface shall return [SQLITE_OK] on
** success and an appropriate [error code] on failure.
**
-** {F17821} If an error occurs during evaluation of [sqlite3_blob_open(D,...)]
+** {H17821} If an error occurs during evaluation of [sqlite3_blob_open(D,...)]
** then subsequent calls to [sqlite3_errcode(D)],
+** [sqlite3_extended_errcode()],
** [sqlite3_errmsg(D)], and [sqlite3_errmsg16(D)] shall return
** information appropriate for that error.
**
-** {F17824} If any column in the row that a [sqlite3_blob] has open is
+** {H17824} If any column in the row that a [sqlite3_blob] has open is
** changed by a separate [UPDATE] or [DELETE] statement or by
** an [ON CONFLICT] side effect, then the [sqlite3_blob] shall
** be marked as invalid.
*/
@@ -5514,9 +5796,9 @@
sqlite3_blob **ppBlob
);
/*
-** CAPI3REF: Close A BLOB Handle {F17830}
+** CAPI3REF: Close A BLOB Handle {H17830} <S30230>
**
** Closes an open [BLOB handle].
**
** Closing a BLOB shall cause the current transaction to commit
@@ -5526,47 +5808,47 @@
** until the close operation if they will fit. {END}
**
** Closing the BLOB often forces the changes
** out to disk and so if any I/O errors occur, they will likely occur
-** at the time when the BLOB is closed. {F17833} Any errors that occur during
+** at the time when the BLOB is closed. {H17833} Any errors that occur during
** closing are reported as a non-zero return value.
**
** The BLOB is closed unconditionally. Even if this routine returns
** an error code, the BLOB is still closed.
**
** INVARIANTS:
**
-** {F17833} The [sqlite3_blob_close(P)] interface closes an [sqlite3_blob]
+** {H17833} The [sqlite3_blob_close(P)] interface closes an [sqlite3_blob]
** object P previously opened using [sqlite3_blob_open()].
**
-** {F17836} Closing an [sqlite3_blob] object using
+** {H17836} Closing an [sqlite3_blob] object using
** [sqlite3_blob_close()] shall cause the current transaction to
** commit if there are no other open [sqlite3_blob] objects
** or [prepared statements] on the same [database connection] and
** the database connection is in [autocommit mode].
**
-** {F17839} The [sqlite3_blob_close(P)] interfaces shall close the
+** {H17839} The [sqlite3_blob_close(P)] interfaces shall close the
** [sqlite3_blob] object P unconditionally, even if
** [sqlite3_blob_close(P)] returns something other than [SQLITE_OK].
*/
int sqlite3_blob_close(sqlite3_blob *);
/*
-** CAPI3REF: Return The Size Of An Open BLOB {F17840}
+** CAPI3REF: Return The Size Of An Open BLOB {H17840} <S30230>
**
** Returns the size in bytes of the BLOB accessible via the open
** []BLOB handle] in its only argument.
**
** INVARIANTS:
**
-** {F17843} The [sqlite3_blob_bytes(P)] interface returns the size
+** {H17843} The [sqlite3_blob_bytes(P)] interface returns the size
** in bytes of the BLOB that the [sqlite3_blob] object P
** refers to.
*/
int sqlite3_blob_bytes(sqlite3_blob *);
/*
-** CAPI3REF: Read Data From A BLOB Incrementally {F17850}
+** CAPI3REF: Read Data From A BLOB Incrementally {H17850} <S30230>
**
** This function is used to read data from an open [BLOB handle] into a
** caller-supplied buffer. N bytes of data are copied into buffer Z
** from the open BLOB, starting at offset iOffset.
@@ -5582,42 +5864,43 @@
** Otherwise, an [error code] or an [extended error code] is returned.
**
** INVARIANTS:
**
-** {F17853} A successful invocation of [sqlite3_blob_read(P,Z,N,X)]
+** {H17853} A successful invocation of [sqlite3_blob_read(P,Z,N,X)]
** shall reads N bytes of data out of the BLOB referenced by
** [BLOB handle] P beginning at offset X and store those bytes
** into buffer Z.
**
-** {F17856} In [sqlite3_blob_read(P,Z,N,X)] if the size of the BLOB
+** {H17856} In [sqlite3_blob_read(P,Z,N,X)] if the size of the BLOB
** is less than N+X bytes, then the function shall leave the
** Z buffer unchanged and return [SQLITE_ERROR].
**
-** {F17859} In [sqlite3_blob_read(P,Z,N,X)] if X or N is less than zero
+** {H17859} In [sqlite3_blob_read(P,Z,N,X)] if X or N is less than zero
** then the function shall leave the Z buffer unchanged
** and return [SQLITE_ERROR].
**
-** {F17862} The [sqlite3_blob_read(P,Z,N,X)] interface shall return [SQLITE_OK]
+** {H17862} The [sqlite3_blob_read(P,Z,N,X)] interface shall return [SQLITE_OK]
** if N bytes are successfully read into buffer Z.
**
-** {F17863} If the [BLOB handle] P is expired and X and N are within bounds
+** {H17863} If the [BLOB handle] P is expired and X and N are within bounds
** then [sqlite3_blob_read(P,Z,N,X)] shall leave the Z buffer
** unchanged and return [SQLITE_ABORT].
**
-** {F17865} If the requested read could not be completed,
+** {H17865} If the requested read could not be completed,
** the [sqlite3_blob_read(P,Z,N,X)] interface shall return an
** appropriate [error code] or [extended error code].
**
-** {F17868} If an error occurs during evaluation of [sqlite3_blob_read(P,...)]
+** {H17868} If an error occurs during evaluation of [sqlite3_blob_read(P,...)]
** then subsequent calls to [sqlite3_errcode(D)],
+** [sqlite3_extended_errcode()],
** [sqlite3_errmsg(D)], and [sqlite3_errmsg16(D)] shall return
** information appropriate for that error, where D is the
** [database connection] that was used to open the [BLOB handle] P.
*/
int sqlite3_blob_read(sqlite3_blob *, void *Z, int N, int iOffset);
/*
-** CAPI3REF: Write Data Into A BLOB Incrementally {F17870}
+** CAPI3REF: Write Data Into A BLOB Incrementally {H17870} <S30230>
**
** This function is used to write data into an open [BLOB handle] from a
** caller-supplied buffer. N bytes of data are copied from the buffer Z
** into the open BLOB, starting at offset iOffset.
@@ -5643,49 +5926,50 @@
** Otherwise, an [error code] or an [extended error code] is returned.
**
** INVARIANTS:
**
-** {F17873} A successful invocation of [sqlite3_blob_write(P,Z,N,X)]
+** {H17873} A successful invocation of [sqlite3_blob_write(P,Z,N,X)]
** shall write N bytes of data from buffer Z into the BLOB
** referenced by [BLOB handle] P beginning at offset X into
** the BLOB.
**
-** {F17874} In the absence of other overridding changes, the changes
+** {H17874} In the absence of other overridding changes, the changes
** written to a BLOB by [sqlite3_blob_write()] shall
** remain in effect after the associated [BLOB handle] expires.
**
-** {F17875} If the [BLOB handle] P was opened for reading only then
+** {H17875} If the [BLOB handle] P was opened for reading only then
** an invocation of [sqlite3_blob_write(P,Z,N,X)] shall leave
** the referenced BLOB unchanged and return [SQLITE_READONLY].
**
-** {F17876} If the size of the BLOB referenced by [BLOB handle] P is
+** {H17876} If the size of the BLOB referenced by [BLOB handle] P is
** less than N+X bytes then [sqlite3_blob_write(P,Z,N,X)] shall
** leave the BLOB unchanged and return [SQLITE_ERROR].
**
-** {F17877} If the [BLOB handle] P is expired and X and N are within bounds
+** {H17877} If the [BLOB handle] P is expired and X and N are within bounds
** then [sqlite3_blob_read(P,Z,N,X)] shall leave the BLOB
** unchanged and return [SQLITE_ABORT].
**
-** {F17879} If X or N are less than zero then [sqlite3_blob_write(P,Z,N,X)]
+** {H17879} If X or N are less than zero then [sqlite3_blob_write(P,Z,N,X)]
** shall leave the BLOB referenced by [BLOB handle] P unchanged
** and return [SQLITE_ERROR].
**
-** {F17882} The [sqlite3_blob_write(P,Z,N,X)] interface shall return
+** {H17882} The [sqlite3_blob_write(P,Z,N,X)] interface shall return
** [SQLITE_OK] if N bytes where successfully written into the BLOB.
**
-** {F17885} If the requested write could not be completed,
+** {H17885} If the requested write could not be completed,
** the [sqlite3_blob_write(P,Z,N,X)] interface shall return an
** appropriate [error code] or [extended error code].
**
-** {F17888} If an error occurs during evaluation of [sqlite3_blob_write(D,...)]
+** {H17888} If an error occurs during evaluation of [sqlite3_blob_write(D,...)]
** then subsequent calls to [sqlite3_errcode(D)],
+** [sqlite3_extended_errcode()],
** [sqlite3_errmsg(D)], and [sqlite3_errmsg16(D)] shall return
** information appropriate for that error.
*/
int sqlite3_blob_write(sqlite3_blob *, const void *z, int n, int iOffset);
/*
-** CAPI3REF: Virtual File System Objects {F11200}
+** CAPI3REF: Virtual File System Objects {H11200} <S20100>
**
** A virtual filesystem (VFS) is an [sqlite3_vfs] object
** that SQLite uses to interact
** with the underlying operating system. Most SQLite builds come with a
@@ -5713,29 +5997,29 @@
** the default. The choice for the new VFS is arbitrary.
**
** INVARIANTS:
**
-** {F11203} The [sqlite3_vfs_find(N)] interface returns a pointer to the
+** {H11203} The [sqlite3_vfs_find(N)] interface returns a pointer to the
** registered [sqlite3_vfs] object whose name exactly matches
** the zero-terminated UTF-8 string N, or it returns NULL if
** there is no match.
**
-** {F11206} If the N parameter to [sqlite3_vfs_find(N)] is NULL then
+** {H11206} If the N parameter to [sqlite3_vfs_find(N)] is NULL then
** the function returns a pointer to the default [sqlite3_vfs]
** object if there is one, or NULL if there is no default
** [sqlite3_vfs] object.
**
-** {F11209} The [sqlite3_vfs_register(P,F)] interface registers the
+** {H11209} The [sqlite3_vfs_register(P,F)] interface registers the
** well-formed [sqlite3_vfs] object P using the name given
** by the zName field of the object.
**
-** {F11212} Using the [sqlite3_vfs_register(P,F)] interface to register
+** {H11212} Using the [sqlite3_vfs_register(P,F)] interface to register
** the same [sqlite3_vfs] object multiple times is a harmless no-op.
**
-** {F11215} The [sqlite3_vfs_register(P,F)] interface makes the [sqlite3_vfs]
+** {H11215} The [sqlite3_vfs_register(P,F)] interface makes the [sqlite3_vfs]
** object P the default [sqlite3_vfs] object if F is non-zero.
**
-** {F11218} The [sqlite3_vfs_unregister(P)] interface unregisters the
+** {H11218} The [sqlite3_vfs_unregister(P)] interface unregisters the
** [sqlite3_vfs] object P so that it is no longer returned by
** subsequent calls to [sqlite3_vfs_find()].
*/
sqlite3_vfs *sqlite3_vfs_find(const char *zVfsName);
@@ -5742,9 +6026,9 @@
int sqlite3_vfs_register(sqlite3_vfs*, int makeDflt);
int sqlite3_vfs_unregister(sqlite3_vfs*);
/*
-** CAPI3REF: Mutexes {F17000}
+** CAPI3REF: Mutexes {H17000} <S20000>
**
** The SQLite core uses these routines for thread
** synchronization. Though they are intended for internal
** use by SQLite, code that links against SQLite is
@@ -5775,12 +6059,12 @@
** [SQLITE_CONFIG_MUTEX] option of the sqlite3_config() function
** before calling sqlite3_initialize() or any other public sqlite3_
** function that calls sqlite3_initialize().
**
-** {F17011} The sqlite3_mutex_alloc() routine allocates a new
-** mutex and returns a pointer to it. {F17012} If it returns NULL
-** that means that a mutex could not be allocated. {F17013} SQLite
-** will unwind its stack and return an error. {F17014} The argument
+** {H17011} The sqlite3_mutex_alloc() routine allocates a new
+** mutex and returns a pointer to it. {H17012} If it returns NULL
+** that means that a mutex could not be allocated. {H17013} SQLite
+** will unwind its stack and return an error. {H17014} The argument
** to sqlite3_mutex_alloc() is one of these integer constants:
**
** <ul>
** <li> SQLITE_MUTEX_FAST
@@ -5792,61 +6076,61 @@
** <li> SQLITE_MUTEX_STATIC_LRU
** <li> SQLITE_MUTEX_STATIC_LRU2
** </ul>
**
-** {F17015} The first two constants cause sqlite3_mutex_alloc() to create
+** {H17015} The first two constants cause sqlite3_mutex_alloc() to create
** a new mutex. The new mutex is recursive when SQLITE_MUTEX_RECURSIVE
** is used but not necessarily so when SQLITE_MUTEX_FAST is used. {END}
** The mutex implementation does not need to make a distinction
** between SQLITE_MUTEX_RECURSIVE and SQLITE_MUTEX_FAST if it does
-** not want to. {F17016} But SQLite will only request a recursive mutex in
+** not want to. {H17016} But SQLite will only request a recursive mutex in
** cases where it really needs one. {END} If a faster non-recursive mutex
** implementation is available on the host platform, the mutex subsystem
** might return such a mutex in response to SQLITE_MUTEX_FAST.
**
-** {F17017} The other allowed parameters to sqlite3_mutex_alloc() each return
+** {H17017} The other allowed parameters to sqlite3_mutex_alloc() each return
** a pointer to a static preexisting mutex. {END} Four static mutexes are
** used by the current version of SQLite. Future versions of SQLite
** may add additional static mutexes. Static mutexes are for internal
** use by SQLite only. Applications that use SQLite mutexes should
** use only the dynamic mutexes returned by SQLITE_MUTEX_FAST or
** SQLITE_MUTEX_RECURSIVE.
**
-** {F17018} Note that if one of the dynamic mutex parameters (SQLITE_MUTEX_FAST
+** {H17018} Note that if one of the dynamic mutex parameters (SQLITE_MUTEX_FAST
** or SQLITE_MUTEX_RECURSIVE) is used then sqlite3_mutex_alloc()
-** returns a different mutex on every call. {F17034} But for the static
+** returns a different mutex on every call. {H17034} But for the static
** mutex types, the same mutex is returned on every call that has
** the same type number.
**
-** {F17019} The sqlite3_mutex_free() routine deallocates a previously
-** allocated dynamic mutex. {F17020} SQLite is careful to deallocate every
+** {H17019} The sqlite3_mutex_free() routine deallocates a previously
+** allocated dynamic mutex. {H17020} SQLite is careful to deallocate every
** dynamic mutex that it allocates. {A17021} The dynamic mutexes must not be in
** use when they are deallocated. {A17022} Attempting to deallocate a static
-** mutex results in undefined behavior. {F17023} SQLite never deallocates
+** mutex results in undefined behavior. {H17023} SQLite never deallocates
** a static mutex. {END}
**
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
-** to enter a mutex. {F17024} If another thread is already within the mutex,
+** to enter a mutex. {H17024} If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
-** SQLITE_BUSY. {F17025} The sqlite3_mutex_try() interface returns [SQLITE_OK]
-** upon successful entry. {F17026} Mutexes created using
+** SQLITE_BUSY. {H17025} The sqlite3_mutex_try() interface returns [SQLITE_OK]
+** upon successful entry. {H17026} Mutexes created using
** SQLITE_MUTEX_RECURSIVE can be entered multiple times by the same thread.
-** {F17027} In such cases the,
+** {H17027} In such cases the,
** mutex must be exited an equal number of times before another thread
** can enter. {A17028} If the same thread tries to enter any other
** kind of mutex more than once, the behavior is undefined.
-** {F17029} SQLite will never exhibit
+** {H17029} SQLite will never exhibit
** such behavior in its own use of mutexes.
**
** Some systems (for example, Windows 95) do not support the operation
** implemented by sqlite3_mutex_try(). On those systems, sqlite3_mutex_try()
-** will always return SQLITE_BUSY. {F17030} The SQLite core only ever uses
+** will always return SQLITE_BUSY. {H17030} The SQLite core only ever uses
** sqlite3_mutex_try() as an optimization so this is acceptable behavior.
**
-** {F17031} The sqlite3_mutex_leave() routine exits a mutex that was
+** {H17031} The sqlite3_mutex_leave() routine exits a mutex that was
** previously entered by the same thread. {A17032} The behavior
** is undefined if the mutex is not currently entered by the
-** calling thread or is not currently allocated. {F17033} SQLite will
+** calling thread or is not currently allocated. {H17033} SQLite will
** never do either. {END}
**
** If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), or
** sqlite3_mutex_leave() is a NULL pointer, then all three routines
@@ -5860,9 +6144,10 @@
int sqlite3_mutex_try(sqlite3_mutex*);
void sqlite3_mutex_leave(sqlite3_mutex*);
/*
-** CAPI3REF: Mutex Methods Object {F17120}
+** CAPI3REF: Mutex Methods Object {H17120} <S20130>
+** EXPERIMENTAL
**
** An instance of this structure defines the low-level routines
** used to allocate and use mutexes.
**
@@ -5877,16 +6162,16 @@
** implementation, using the [SQLITE_CONFIG_GETMUTEX] option.
**
** The xMutexInit method defined by this structure is invoked as
** part of system initialization by the sqlite3_initialize() function.
-** {F17001} The xMutexInit routine shall be called by SQLite once for each
+** {H17001} The xMutexInit routine shall be called by SQLite once for each
** effective call to [sqlite3_initialize()].
**
** The xMutexEnd method defined by this structure is invoked as
** part of system shutdown by the sqlite3_shutdown() function. The
** implementation of this method is expected to release all outstanding
** resources obtained by the mutex methods implementation, especially
-** those obtained by the xMutexInit method. {F17003} The xMutexEnd()
+** those obtained by the xMutexInit method. {H17003} The xMutexEnd()
** interface shall be invoked once for each call to [sqlite3_shutdown()].
**
** The remaining seven methods defined by this structure (xMutexAlloc,
** xMutexFree, xMutexEnter, xMutexTry, xMutexLeave, xMutexHeld and
@@ -5923,44 +6208,48 @@
int (*xMutexNotheld)(sqlite3_mutex *);
};
/*
-** CAPI3REF: Mutex Verification Routines {F17080}
+** CAPI3REF: Mutex Verification Routines {H17080} <S20130> <S30800>
**
** The sqlite3_mutex_held() and sqlite3_mutex_notheld() routines
-** are intended for use inside assert() statements. {F17081} The SQLite core
+** are intended for use inside assert() statements. {H17081} The SQLite core
** never uses these routines except inside an assert() and applications
-** are advised to follow the lead of the core. {F17082} The core only
+** are advised to follow the lead of the core. {H17082} The core only
** provides implementations for these routines when it is compiled
** with the SQLITE_DEBUG flag. {A17087} External mutex implementations
** are only required to provide these routines if SQLITE_DEBUG is
** defined and if NDEBUG is not defined.
**
-** {F17083} These routines should return true if the mutex in their argument
+** {H17083} These routines should return true if the mutex in their argument
** is held or not held, respectively, by the calling thread.
**
** {X17084} The implementation is not required to provided versions of these
** routines that actually work. If the implementation does not provide working
** versions of these routines, it should at least provide stubs that always
** return true so that one does not get spurious assertion failures.
**
-** {F17085} If the argument to sqlite3_mutex_held() is a NULL pointer then
+** {H17085} If the argument to sqlite3_mutex_held() is a NULL pointer then
** the routine should return 1. {END} This seems counter-intuitive since
** clearly the mutex cannot be held if it does not exist. But the
** the reason the mutex does not exist is because the build is not
** using mutexes. And we do not want the assert() containing the
** call to sqlite3_mutex_held() to fail, so a non-zero return is
-** the appropriate thing to do. {F17086} The sqlite3_mutex_notheld()
+** the appropriate thing to do. {H17086} The sqlite3_mutex_notheld()
** interface should also return 1 when given a NULL pointer.
*/
int sqlite3_mutex_held(sqlite3_mutex*);
int sqlite3_mutex_notheld(sqlite3_mutex*);
/*
-** CAPI3REF: Mutex Types {F17001}
-**
-** {F17002} The [sqlite3_mutex_alloc()] interface takes a single argument
+** CAPI3REF: Mutex Types {H17001} <H17000>
+**
+** The [sqlite3_mutex_alloc()] interface takes a single argument
** which is one of these integer constants.
+**
+** The set of static mutexes may change from one SQLite release to the
+** next. Applications that override the built-in mutex logic must be
+** prepared to accommodate additional static mutexes.
*/
#define SQLITE_MUTEX_FAST 0
#define SQLITE_MUTEX_RECURSIVE 1
#define SQLITE_MUTEX_STATIC_MASTER 2
@@ -5970,23 +6259,23 @@
#define SQLITE_MUTEX_STATIC_LRU 6 /* lru page list */
#define SQLITE_MUTEX_STATIC_LRU2 7 /* lru page list */
/*
-** CAPI3REF: Low-Level Control Of Database Files {F11300}
-**
-** {F11301} The [sqlite3_file_control()] interface makes a direct call to the
+** CAPI3REF: Low-Level Control Of Database Files {H11300} <S30800>
+**
+** {H11301} The [sqlite3_file_control()] interface makes a direct call to the
** xFileControl method for the [sqlite3_io_methods] object associated
-** with a particular database identified by the second argument. {F11302} The
+** with a particular database identified by the second argument. {H11302} The
** name of the database is the name assigned to the database by the
** <a href="lang_attach.html">ATTACH</a> SQL command that opened the
-** database. {F11303} To control the main database file, use the name "main"
-** or a NULL pointer. {F11304} The third and fourth parameters to this routine
+** database. {H11303} To control the main database file, use the name "main"
+** or a NULL pointer. {H11304} The third and fourth parameters to this routine
** are passed directly through to the second and third parameters of
-** the xFileControl method. {F11305} The return value of the xFileControl
+** the xFileControl method. {H11305} The return value of the xFileControl
** method becomes the return value of this routine.
**
-** {F11306} If the second parameter (zDbName) does not match the name of any
-** open database file, then SQLITE_ERROR is returned. {F11307} This error
+** {H11306} If the second parameter (zDbName) does not match the name of any
+** open database file, then SQLITE_ERROR is returned. {H11307} This error
** code is not remembered and will not be recalled by [sqlite3_errcode()]
** or [sqlite3_errmsg()]. {A11308} The underlying xFileControl method might
** also return SQLITE_ERROR. {A11309} There is no way to distinguish between
** an incorrect zDbName and an SQLITE_ERROR return from the underlying
@@ -5996,9 +6285,9 @@
*/
int sqlite3_file_control(sqlite3*, const char *zDbName, int op, void*);
/*
-** CAPI3REF: Testing Interface {F11400}
+** CAPI3REF: Testing Interface {H11400} <S30800>
**
** The sqlite3_test_control() interface is used to read out internal
** state of SQLite and to inject faults into SQLite for testing
** purposes. The first parameter is an operation code that determines
@@ -6015,9 +6304,9 @@
*/
int sqlite3_test_control(int op, ...);
/*
-** CAPI3REF: Testing Interface Operation Codes {F11410}
+** CAPI3REF: Testing Interface Operation Codes {H11410} <H11400>
**
** These constants are the valid operation code parameters used
** as the first argument to [sqlite3_test_control()].
**
@@ -6033,9 +6322,10 @@
#define SQLITE_TESTCTRL_FAULT_INSTALL 9
#define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS 10
/*
-** CAPI3REF: SQLite Runtime Status {F17200}
+** CAPI3REF: SQLite Runtime Status {H17200} <S60200>
+** EXPERIMENTAL
**
** This interface is used to retrieve runtime status information
** about the preformance of SQLite, and optionally to reset various
** highwater marks. The first argument is an integer code for
@@ -6059,15 +6349,16 @@
** *pHighwater reflect the status of SQLite at different points in time
** and it is possible that another thread might change the parameter
** in between the times when *pCurrent and *pHighwater are written.
**
-** This interface is experimental and is subject to change or
-** removal in future releases of SQLite.
+** See also: [sqlite3_db_status()]
*/
-int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag);
+SQLITE_EXPERIMENTAL int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag);
+
/*
-** CAPI3REF: Status Parameters {F17250}
+** CAPI3REF: Status Parameters {H17250} <H17200>
+** EXPERIMENTAL
**
** These integer constants designate various run-time status parameters
** that can be returned by [sqlite3_status()].
**
@@ -6081,37 +6372,63 @@
** memory controlled by [SQLITE_CONFIG_PAGECACHE] is not included in
** this parameter. The amount returned is the sum of the allocation
** sizes as reported by the xSize method in [sqlite3_mem_methods].</dd>
**
+** <dt>SQLITE_STATUS_MALLOC_SIZE</dt>
+** <dd>This parameter records the largest memory allocation request
+** handed to [sqlite3_malloc()] or [sqlite3_realloc()] (or their
+** internal equivalents). Only the value returned in the
+** *pHighwater parameter to [sqlite3_status()] is of interest.
+** The value written into the *pCurrent parameter is undefined.</dd>
+**
** <dt>SQLITE_STATUS_PAGECACHE_USED</dt>
** <dd>This parameter returns the number of pages used out of the
-** page cache buffer configured using [SQLITE_CONFIG_PAGECACHE]. The
+** [pagecache memory allocator] that was configured using
+** [SQLITE_CONFIG_PAGECACHE]. The
** value returned is in pages, not in bytes.</dd>
**
** <dt>SQLITE_STATUS_PAGECACHE_OVERFLOW</dt>
** <dd>This parameter returns the number of bytes of page cache
** allocation which could not be statisfied by the [SQLITE_CONFIG_PAGECACHE]
-** buffer and where forced to overflow to [sqlite3_malloc()].</dd>
+** buffer and where forced to overflow to [sqlite3_malloc()]. The
+** returned value includes allocations that overflowed because they
+** where too large (they were larger than the "sz" parameter to
+** [SQLITE_CONFIG_PAGECACHE]) and allocations that overflowed because
+** no space was left in the page cache.</dd>
+**
+** <dt>SQLITE_STATUS_PAGECACHE_SIZE</dt>
+** <dd>This parameter records the largest memory allocation request
+** handed to [pagecache memory allocator]. Only the value returned in the
+** *pHighwater parameter to [sqlite3_status()] is of interest.
+** The value written into the *pCurrent parameter is undefined.</dd>
**
** <dt>SQLITE_STATUS_SCRATCH_USED</dt>
** <dd>This parameter returns the number of allocations used out of the
-** scratch allocation lookaside buffer configured using
+** [scratch memory allocator] configured using
** [SQLITE_CONFIG_SCRATCH]. The value returned is in allocations, not
-** in bytes. Since a single thread may only have one allocation
+** in bytes. Since a single thread may only have one scratch allocation
** outstanding at time, this parameter also reports the number of threads
** using scratch memory at the same time.</dd>
**
** <dt>SQLITE_STATUS_SCRATCH_OVERFLOW</dt>
** <dd>This parameter returns the number of bytes of scratch memory
** allocation which could not be statisfied by the [SQLITE_CONFIG_SCRATCH]
-** buffer and where forced to overflow to [sqlite3_malloc()].</dd>
-**
-** <dt>SQLITE_STATUS_MALLOC_SIZE</dt>
+** buffer and where forced to overflow to [sqlite3_malloc()]. The values
+** returned include overflows because the requested allocation was too
+** larger (that is, because the requested allocation was larger than the
+** "sz" parameter to [SQLITE_CONFIG_SCRATCH]) and because no scratch buffer
+** slots were available.
+** </dd>
+**
+** <dt>SQLITE_STATUS_SCRATCH_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
-** handed to [sqlite3_malloc()] or [sqlite3_realloc()] (or their
-** internal equivalents). The value of interest is return in the
-** *pHighwater parameter to [sqlite3_status()]. The value written
-** into the *pCurrent parameter is undefined.</dd>
+** handed to [scratch memory allocator]. Only the value returned in the
+** *pHighwater parameter to [sqlite3_status()] is of interest.
+** The value written into the *pCurrent parameter is undefined.</dd>
+**
+** <dt>SQLITE_STATUS_PARSER_STACK</dt>
+** <dd>This parameter records the deepest parser stack. It is only
+** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>
** </dl>
**
** New status parameters may be added from time to time.
*/
@@ -6120,9 +6437,97 @@
#define SQLITE_STATUS_PAGECACHE_OVERFLOW 2
#define SQLITE_STATUS_SCRATCH_USED 3
#define SQLITE_STATUS_SCRATCH_OVERFLOW 4
#define SQLITE_STATUS_MALLOC_SIZE 5
+#define SQLITE_STATUS_PARSER_STACK 6
+#define SQLITE_STATUS_PAGECACHE_SIZE 7
+#define SQLITE_STATUS_SCRATCH_SIZE 8
+
+/*
+** CAPI3REF: Database Connection Status {H17500} <S60200>
+** EXPERIMENTAL
+**
+** This interface is used to retrieve runtime status information
+** about a single [database connection]. The first argument is the
+** database connection object to be interrogated. The second argument
+** is the parameter to interrogate. Currently, the only allowed value
+** for the second parameter is [SQLITE_DBSTATUS_LOOKASIDE_USED].
+** Additional options will likely appear in future releases of SQLite.
+**
+** The current value of the requested parameter is written into *pCur
+** and the highest instantaneous value is written into *pHiwtr. If
+** the resetFlg is true, then the highest instantaneous value is
+** reset back down to the current value.
+**
+** See also: [sqlite3_status()] and [sqlite3_stmt_status()].
+*/
+SQLITE_EXPERIMENTAL int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int resetFlg);
+
+/*
+** CAPI3REF: Status Parameters for database connections {H17520} <H17500>
+** EXPERIMENTAL
+**
+** Status verbs for [sqlite3_db_status()].
+**
+** <dl>
+** <dt>SQLITE_DBSTATUS_LOOKASIDE_USED</dt>
+** <dd>This parameter returns the number of lookaside memory slots currently
+** checked out.</dd>
+** </dl>
+*/
+#define SQLITE_DBSTATUS_LOOKASIDE_USED 0
+
+
+/*
+** CAPI3REF: Prepared Statement Status {H17550} <S60200>
+** EXPERIMENTAL
+**
+** Each prepared statement maintains various
+** [SQLITE_STMTSTATUS_SORT | counters] that measure the number
+** of times it has performed specific operations. These counters can
+** be used to monitor the performance characteristics of the prepared
+** statements. For example, if the number of table steps greatly exceeds
+** the number of table searches or result rows, that would tend to indicate
+** that the prepared statement is using a full table scan rather than
+** an index.
+**
+** This interface is used to retrieve and reset counter values from
+** a [prepared statement]. The first argument is the prepared statement
+** object to be interrogated. The second argument
+** is an integer code for a specific [SQLITE_STMTSTATUS_SORT | counter]
+** to be interrogated.
+** The current value of the requested counter is returned.
+** If the resetFlg is true, then the counter is reset to zero after this
+** interface call returns.
+**
+** See also: [sqlite3_status()] and [sqlite3_db_status()].
+*/
+SQLITE_EXPERIMENTAL int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg);
+/*
+** CAPI3REF: Status Parameters for prepared statements {H17570} <H17550>
+** EXPERIMENTAL
+**
+** These preprocessor macros define integer codes that name counter
+** values associated with the [sqlite3_stmt_status()] interface.
+** The meanings of the various counters are as follows:
+**
+** <dl>
+** <dt>SQLITE_STMTSTATUS_FULLSCAN_STEP</dt>
+** <dd>This is the number of times that SQLite has stepped forward in
+** a table as part of a full table scan. Large numbers for this counter
+** may indicate opportunities for performance improvement through
+** careful use of indices.</dd>
+**
+** <dt>SQLITE_STMTSTATUS_SORT</dt>
+** <dd>This is the number of sort operations that have occurred.
+** A non-zero value in this counter may indicate an opportunity to
+** improvement performance through careful use of indices.</dd>
+**
+** </dl>
+*/
+#define SQLITE_STMTSTATUS_FULLSCAN_STEP 1
+#define SQLITE_STMTSTATUS_SORT 2
/*
** Undo the hack that converts floating point types to integer for
** builds on processors without floating point support.