/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** You should have received a copy of the GNU General Public
** License along with this library; if not, write to the
** Free Software Foundation, Inc., 59 Temple Place - Suite 330,
** Boston, MA 02111-1307, USA.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This file contains string constants that implement the database schema.
*/
#include "config.h"
#include "schema.h"
/*
** The database schema for the ~/.fossil configuration database.
*/
const char zConfigSchema[] =
@ -- This file contains the schema for the database that is kept in the
@ -- ~/.fossil file and that stores information about the users setup.
@ --
@ CREATE TABLE global_config(
@ name TEXT PRIMARY KEY,
@ value TEXT
@ );
;
#if INTERFACE
/*
** The content tables have a content version number which rarely
** changes. The aux tables have an arbitrary version number (typically
** a date) which can change frequently. When the content schema changes,
** we have to execute special procedures to update the schema. When
** the aux schema changes, all we need to do is rebuild the database.
*/
#define CONTENT_SCHEMA "1"
#define AUX_SCHEMA "2006-12-23"
#endif /* INTERFACE */
/*
** The schema for a repository database.
**
** Schema1[] contains parts of the schema that are fixed and unchanging
** across versions. Schema2[] contains parts of the schema that can
** change from one version to the next. The information in Schema2[]
** can be reconstructed from the information in Schema1[].
*/
const char zRepositorySchema1[] =
@ -- The BLOB and DELTA tables contain all records held in the repository.
@ --
@ -- The BLOB.CONTENT column is always compressed using libz. This
@ -- column might hold the full text of the record or it might hold
@ -- a delta that is able to reconstruct the record from some other
@ -- record. If BLOB.CONTENT holds a delta, then a DELTA table entry
@ -- will exist for the record and that entry will point to another
@ -- entry that holds the source of the delta. Deltas can be chained.
@ --
@ CREATE TABLE blob(
@ rid INTEGER PRIMARY KEY, -- Record ID
@ rcvid INTEGER, -- Origin of this record
@ size INTEGER, -- Size of content. -1 for a phantom.
@ uuid TEXT UNIQUE, -- SHA1 hash of the content
@ content BLOB -- Compressed content of this record
@ );
@ CREATE TABLE delta(
@ rid INTEGER PRIMARY KEY, -- Record ID
@ srcid INTEGER NOT NULL REFERENCES blob -- Record holding source document
@ );
@ CREATE INDEX delta_i1 ON delta(srcid);
@
@ -- Whenever new blobs are received into the repository, an entry
@ -- in this table records the source of the blob.
@ --
@ CREATE TABLE rcvfrom(
@ rcvid INTEGER PRIMARY KEY, -- Received-From ID
@ uid INTEGER REFERENCES user, -- User login
@ mtime DATETIME, -- Time or receipt
@ nonce TEXT UNIQUE, -- Nonce used for login
@ ipaddr TEXT -- Remote IP address. NULL for direct.
@ );
@
@ -- Information about users
@ --
@ CREATE TABLE user(
@ uid INTEGER PRIMARY KEY, -- User ID
@ login TEXT, -- login name of the user
@ pw TEXT, -- password
@ cap TEXT, -- Capabilities of this user
@ cookie TEXT, -- WWW login cookie
@ ipaddr TEXT, -- IP address for which cookie is valid
@ cexpire DATETIME, -- Time when cookie expires
@ info TEXT, -- contact information
@ photo BLOB -- JPEG image of this user
@ );
@
@ -- The VAR table holds miscellanous information about the repository.
@ -- in the form of name-value pairs.
@ --
@ CREATE TABLE config(
@ name TEXT PRIMARY KEY NOT NULL, -- Primary name of the entry
@ value CLOB, -- Content of the named parameter
@ CHECK( typeof(name)='text' AND length(name)>=1 )
@ );
;
const char zRepositorySchema2[] =
@ -- Filenames
@ --
@ CREATE TABLE filename(
@ fnid INTEGER PRIMARY KEY, -- Filename ID
@ name TEXT UNIQUE -- Name of file page
@ );
@
@ -- Linkages between manifests, files created by that manifest, and
@ -- the names of those files.
@ --
@ -- pid==0 if the file is added by check-in mid.
@ -- fid==0 if the file is removed by check-in mid.
@ --
@ CREATE TABLE mlink(
@ mid INTEGER REFERENCES blob, -- Manifest ID where change occurs
@ pid INTEGER REFERENCES blob, -- File ID in parent manifest
@ fid INTEGER REFERENCES blob, -- Changed file ID in this manifest
@ fnid INTEGER REFERENCES filename -- Name of the file
@ );
@ CREATE INDEX mlink_i1 ON mlink(mid);
@ CREATE INDEX mlink_i2 ON mlink(fnid);
@ CREATE INDEX mlink_i3 ON mlink(fid);
@ CREATE INDEX mlink_i4 ON mlink(pid);
@
@ -- Parent/child linkages
@ --
@ CREATE TABLE plink(
@ pid INTEGER REFERENCES blob, -- Parent manifest
@ cid INTEGER REFERENCES blob, -- Child manifest
@ isprim BOOLEAN, -- pid is the primary parent of cid
@ mtime DATETIME, -- the date/time stamp on cid
@ UNIQUE(pid, cid)
@ );
@ CREATE INDEX plink_i2 ON plink(cid);
@
@ -- Events used to generate a timeline
@ --
@ CREATE TABLE event(
@ type TEXT, -- Type of event
@ mtime DATETIME, -- Date and time when the event occurs
@ objid INTEGER PRIMARY KEY, -- Associated record ID
@ uid INTEGER REFERENCES user, -- User who caused the event
@ bgcolor TEXT, -- Color set by 'bgcolor' property
@ brbgcolor TEXT, -- Color set by 'br-bgcolor' property
@ euser TEXT, -- User set by 'user' property
@ user TEXT, -- Name of the user
@ ecomment TEXT, -- Comment set by 'comment' property
@ comment TEXT -- Comment describing the event
@ );
@ CREATE INDEX event_i1 ON event(mtime);
@
@ -- A record of phantoms. A phantom is a record for which we know the
@ -- UUID but we do not (yet) know the file content.
@ --
@ CREATE TABLE phantom(
@ rid INTEGER PRIMARY KEY -- Record ID of the phantom
@ );
@
@ -- Unclustered records. An unclustered record is a record (including
@ -- a cluster records themselves) that is not mentioned by some other
@ -- cluster.
@ --
@ -- Phantoms are usually included in the unclustered table. A new cluster
@ -- will never be created that contains a phantom. But another repository
@ -- might send us a cluster that contains entries that are phantoms to
@ -- us.
@ --
@ CREATE TABLE unclustered(
@ rid INTEGER PRIMARY KEY -- Record ID of the unclustered file
@ );
@
@ -- Records which have never been pushed to another server. This is
@ -- used to reduce push operations to a single HTTP request in the
@ -- common case when one repository only talks to a single server.
@ --
@ CREATE TABLE unsent(
@ rid INTEGER PRIMARY KEY -- Record ID of the phantom
@ );
@
@ -- Each baseline or manifest can have one or more tags. A tag
@ -- is defined by a row in the next table.
@ --
@ -- Tags that begin with "br" automatically propagate to direct
@ -- children, but not to merge children.
@ --
@ CREATE TABLE tag(
@ tagid INTEGER PRIMARY KEY, -- Numeric tag ID
@ tagname TEXT UNIQUE -- Tag name.
@ );
@ INSERT INTO tag VALUES(1, 'bgcolor'); -- TAG_BGCOLOR
@ INSERT INTO tag VALUES(2, 'comment'); -- TAG_COMMENT
@ INSERT INTO tag VALUES(3, 'user'); -- TAG_USER
@
@ -- Assignments of tags to baselines. Note that we allow tags to
@ -- have values assigned to them. So we are not really dealing with
@ -- tags here. These are really properties. But we are going to
@ -- keep calling them tags because in many cases the value is ignored.
@ --
@ CREATE TABLE tagxref(
@ tagid INTEGER REFERENCES tag, -- The tag that added or removed
@ tagtype INTEGER, -- 0:cancel 1:single 2:branch
@ srcid INTEGER REFERENCES blob, -- Origin of the tag. 0 for propagated tags
@ value TEXT, -- Value of the tag. Might be NULL.
@ mtime TIMESTAMP, -- Time of addition or removal
@ rid INTEGER REFERENCE blob, -- Baseline that tag added/removed from
@ UNIQUE(rid, tagid)
@ );
@ CREATE INDEX tagxref_i1 ON tagxref(tagid);
;
/*
** Predefined tagid values
*/
#if INTERFACE
# define TAG_BGCOLOR 1
# define TAG_COMMENT 2
# define TAG_USER 3
#endif
/*
** The schema for the locate FOSSIL database file found at the root
** of very check-out. This database contains the complete state of
** the checkout.
*/
const char zLocalSchema[] =
@ -- The VVAR table holds miscellanous information about the local database
@ -- in the form of name-value pairs. This is similar to the VAR table
@ -- table in the repository except that this table holds information that
@ -- is specific to the local checkout.
@ --
@ -- Important Variables:
@ --
@ -- repository Full pathname of the repository database
@ -- user-id Userid to use
@ --
@ CREATE TABLE vvar(
@ name TEXT PRIMARY KEY NOT NULL, -- Primary name of the entry
@ value CLOB, -- Content of the named parameter
@ CHECK( typeof(name)='text' AND length(name)>=1 )
@ );
@
@ -- Each entry in the vfile table represents a single file or folder
@ -- that is part of a version.
@ --
@ -- The file.rid field is 0 for files or folders that have been
@ -- added but not yet committed.
@ --
@ -- Vfile.chnged is 0 for unmodified files, 1 for files that have
@ -- been edited or which have been subjected to a 3-way merge.
@ -- Vfile.chnged is 2 if the file has been replaced from a different
@ -- version by the merge and 3 if the file has been added by a merge.
@ -- The difference between vfile.chnged==2 and a regular add is that
@ -- with vfile.chnged==2 we know that the current version of the file
@ -- is already in the repository.
@ --
@ --
@ CREATE TABLE vfile(
@ id INTEGER PRIMARY KEY, -- ID of the checked out file
@ vid INTEGER REFERENCES blob, -- The version this file is part of.
@ chnged INT DEFAULT 0, -- 0:unchnged 1:edited 2:m-chng 3:m-add
@ deleted BOOLEAN DEFAULT 0, -- True if deleted
@ rid INTEGER, -- Originally from this repository record
@ mrid INTEGER, -- Based on this record due to a merge
@ pathname TEXT, -- Full pathname
@ UNIQUE(pathname,vid)
@ );
@
@ -- This table holds a record of uncommitted merges in the local
@ -- file tree. If a VFILE entry with id has merged with another
@ -- record, there is an entry in this table with (id,merge) where
@ -- merge is the RECORD table entry that the file merged against.
@ -- An id of 0 here means the version record itself.
@
@ CREATE TABLE vmerge(
@ id INTEGER REFERENCES vfile, -- VFILE entry that has been merged
@ merge INTEGER, -- Merged with this record
@ UNIQUE(id, merge)
@ );
@
;
const char zServerTempSchema[] =
@ -- A copy of the vfile table schema used by the WWW server
@ --
@ CREATE TEMP TABLE vfile(
@ id INTEGER PRIMARY KEY, -- ID of the checked out file
@ vid INTEGER REFERENCES record, -- The version this file is part of.
@ chnged INT DEFAULT 0, -- 0:unchnged 1:edited 2:m-chng 3:m-add
@ deleted BOOLEAN DEFAULT 0, -- True if deleted
@ rid INTEGER, -- Originally from this repository record
@ mrid INTEGER, -- Based on this record due to a merge
@ pathname TEXT, -- Full pathname
@ UNIQUE(pathname,vid)
@ );
;