-- This is read and executed by the install script; you should
-- not have to run it by itself unless doing a manual install.
+-- This is a shared schema file used for both MySQL and SQLite installs.
+
--
-- General notes:
--
--
--
-- The MySQL table backend for MediaWiki currently uses
--- 14-character CHAR or VARCHAR fields to store timestamps.
+-- 14-character BINARY or VARBINARY fields to store timestamps.
-- The format is YYYYMMDDHHMMSS, which is derived from the
-- text format of MySQL's TIMESTAMP fields.
--
-- in early 2002 after a lot of trouble with the fields
-- auto-updating.
--
--- The PostgreSQL backend uses DATETIME fields for timestamps,
+-- The Postgres backend uses DATETIME fields for timestamps,
-- and we will migrate the MySQL definitions at some point as
-- well.
--
--
--- The /*$wgDBprefix*/ comments in this and other files are
+-- The /*_*/ comments in this and other files are
-- replaced with the defined table prefix by the installer
-- and updater scripts. If you are installing or running
-- updates manually, you will need to manually insert the
-- preferences and to key tracking information in the other
-- tables.
--
-CREATE TABLE /*$wgDBprefix*/user (
- user_id int(5) unsigned NOT NULL auto_increment,
+CREATE TABLE /*_*/user (
+ user_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
-- Usernames must be unique, must not be in the form of
-- an IP address. _Shouldn't_ allow slashes or case
-- conflicts. Spaces are allowed, and are _not_ converted
- -- to underscores like titles. (Conflicts?)
+ -- to underscores like titles. See the User::newFromName() for
+ -- the specific tests that usernames have to pass.
user_name varchar(255) binary NOT NULL default '',
-- Optional 'real name' to be displayed in credit listings
user_real_name varchar(255) binary NOT NULL default '',
-- Password hashes, normally hashed like so:
- -- MD5(CONCAT(user_id,'-',MD5(plaintext_password)))
- user_password tinyblob NOT NULL default '',
+ -- MD5(CONCAT(user_id,'-',MD5(plaintext_password))), see
+ -- wfEncryptPassword() in GlobalFunctions.php
+ user_password tinyblob NOT NULL,
-- When using 'mail me a new password', a random
-- password is generated and the hash stored here.
-- someone actually logs in with the new password,
-- at which point the hash is moved to user_password
-- and the old password is invalidated.
- user_newpassword tinyblob NOT NULL default '',
+ user_newpassword tinyblob NOT NULL,
+ -- Timestamp of the last time when a new password was
+ -- sent, for throttling purposes
+ user_newpass_time binary(14),
+
-- Note: email should be restricted, not public info.
-- Same with passwords.
- user_email tinytext NOT NULL default '',
+ user_email tinytext NOT NULL,
- -- Newline-separated list of name=value pairs.
- user_options blob NOT NULL default '',
+ -- Newline-separated list of name=value defining the user
+ -- preferences
+ -- Now obsolete in favour of user_properties table;
+ -- old values will be migrated from here transparently.
+ user_options blob NOT NULL,
-- This is a timestamp which is updated when a user
-- logs in, logs out, changes preferences, or performs
-- some other action requiring HTML cache invalidation
-- to ensure that the UI is updated.
- user_touched char(14) binary NOT NULL default '',
+ user_touched binary(14) NOT NULL default '',
-- A pseudorandomly generated value that is stored in
-- a cookie when the "remember password" feature is
-- used (previously, a hash of the password was used, but
-- this was vulnerable to cookie-stealing attacks)
- user_token char(32) binary NOT NULL default '',
+ user_token binary(32) NOT NULL default '',
-- Initially NULL; when a user's e-mail address has been
-- validated by returning with a mailed token, this is
-- set to the current timestamp.
- user_email_authenticated CHAR(14) BINARY,
+ user_email_authenticated binary(14),
-- Randomly generated token created when the e-mail address
-- is set and a confirmation test mail sent.
- user_email_token CHAR(32) BINARY,
+ user_email_token binary(32),
+
+ -- Expiration date for the user_email_token
+ user_email_token_expires binary(14),
- -- Expiration date for the
- user_email_token_expires CHAR(14) BINARY,
+ -- Timestamp of account registration.
+ -- Accounts predating this schema addition may contain NULL.
+ user_registration binary(14),
+
+ -- Count of edits and edit-like actions.
+ --
+ -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
+ -- May contain NULL for old accounts if batch-update scripts haven't been
+ -- run, as well as listing deleted edits and other myriad ways it could be
+ -- out of sync.
+ --
+ -- Meant primarily for heuristic checks to give an impression of whether
+ -- the account has been used much.
+ --
+ user_editcount int
+) /*$wgDBTableOptions*/;
- PRIMARY KEY user_id (user_id),
- UNIQUE INDEX user_name (user_name),
- INDEX (user_email_token)
+CREATE UNIQUE INDEX /*i*/user_name ON /*_*/user (user_name);
+CREATE INDEX /*i*/user_email_token ON /*_*/user (user_email_token);
-) TYPE=InnoDB;
--
-- User permissions have been broken out to a separate table;
-- This table replaces the old user_rights field which used a
-- comma-separated blob.
--
-CREATE TABLE /*$wgDBprefix*/user_groups (
+CREATE TABLE /*_*/user_groups (
-- Key to user_id
- ug_user int(5) unsigned NOT NULL default '0',
+ ug_user int unsigned NOT NULL default 0,
-- Group names are short symbolic string keys.
-- The set of group names is open-ended, though in practice
-- with particular permissions. A user will have the combined
-- permissions of any group they're explicitly in, plus
-- the implicit '*' and 'user' groups.
- ug_group char(16) NOT NULL default '',
-
- PRIMARY KEY (ug_user,ug_group),
- KEY (ug_group)
-) TYPE=InnoDB;
+ ug_group varbinary(16) NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/ug_user_group ON /*_*/user_groups (ug_user,ug_group);
+CREATE INDEX /*i*/ug_group ON /*_*/user_groups (ug_group);
+
+--
-- Stores notifications of user talk page changes, for the display
-- of the "you have new messages" box
-CREATE TABLE /*$wgDBprefix*/user_newtalk (
- user_id int(5) NOT NULL default '0',
- user_ip varchar(40) NOT NULL default '',
- INDEX user_id (user_id),
- INDEX user_ip (user_ip)
-);
+--
+CREATE TABLE /*_*/user_newtalk (
+ -- Key to user.user_id
+ user_id int NOT NULL default 0,
+ -- If the user is an anonymous user their IP address is stored here
+ -- since the user_id of 0 is ambiguous
+ user_ip varbinary(40) NOT NULL default '',
+ -- The highest timestamp of revisions of the talk page viewed
+ -- by this user
+ user_last_timestamp binary(14) NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+-- Indexes renamed for SQLite in 1.14
+CREATE INDEX /*i*/un_user_id ON /*_*/user_newtalk (user_id);
+CREATE INDEX /*i*/un_user_ip ON /*_*/user_newtalk (user_ip);
+--
+-- User preferences and perhaps other fun stuff. :)
+-- Replaces the old user.user_options blob, with a couple nice properties:
+--
+-- 1) We only store non-default settings, so changes to the defauls
+-- are now reflected for everybody, not just new accounts.
+-- 2) We can more easily do bulk lookups, statistics, or modifications of
+-- saved options since it's a sane table structure.
+--
+CREATE TABLE /*_*/user_properties (
+ -- Foreign key to user.user_id
+ up_user int NOT NULL,
+
+ -- Name of the option being saved. This is indexed for bulk lookup.
+ up_property varbinary(32) NOT NULL,
+
+ -- Property value as a string.
+ up_value blob
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/user_properties_user_property ON /*_*/user_properties (up_user,up_property);
+CREATE INDEX /*i*/user_properties_property ON /*_*/user_properties (up_property);
+
--
-- Core of the wiki: each page has an entry here which identifies
-- it by title and contains some essential metadata.
--
-CREATE TABLE /*$wgDBprefix*/page (
+CREATE TABLE /*_*/page (
-- Unique identifier number. The page_id will be preserved across
-- edits and rename operations, but not deletions and recreations.
- page_id int(8) unsigned NOT NULL auto_increment,
+ page_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
-- A page name is broken into a namespace and a title.
-- The namespace keys are UI-language-independent constants,
- -- defined in Namespace.php.
+ -- defined in includes/Defines.php
page_namespace int NOT NULL,
-- The rest of the title, as text.
-- Comma-separated set of permission keys indicating who
-- can move or edit the page.
- page_restrictions tinyblob NOT NULL default '',
+ page_restrictions tinyblob NOT NULL,
-- Number of times this page has been viewed.
- page_counter bigint(20) unsigned NOT NULL default '0',
+ page_counter bigint unsigned NOT NULL default 0,
-- 1 indicates the article is a redirect.
- page_is_redirect tinyint(1) unsigned NOT NULL default '0',
+ page_is_redirect tinyint unsigned NOT NULL default 0,
-- 1 indicates this is a new entry, with only one edit.
-- Not all pages with one edit are new pages.
- page_is_new tinyint(1) unsigned NOT NULL default '0',
+ page_is_new tinyint unsigned NOT NULL default 0,
-- Random value between 0 and 1, used for Special:Randompage
page_random real unsigned NOT NULL,
-- Aside from editing this includes permission changes,
-- creation or deletion of linked pages, and alteration
-- of contained templates.
- page_touched char(14) binary NOT NULL default '',
+ page_touched binary(14) NOT NULL default '',
-- Handy key to revision.rev_id of the current revision.
-- This may be 0 during page creation, but that shouldn't
-- happen outside of a transaction... hopefully.
- page_latest int(8) unsigned NOT NULL,
+ page_latest int unsigned NOT NULL,
-- Uncompressed length in bytes of the page's current source text.
- page_len int(8) unsigned NOT NULL,
+ page_len int unsigned NOT NULL
+) /*$wgDBTableOptions*/;
- PRIMARY KEY page_id (page_id),
- UNIQUE INDEX name_title (page_namespace,page_title),
-
- -- Special-purpose indexes
- INDEX (page_random),
- INDEX (page_len)
+CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title);
+CREATE INDEX /*i*/page_random ON /*_*/page (page_random);
+CREATE INDEX /*i*/page_len ON /*_*/page (page_len);
-) TYPE=InnoDB;
--
-- Every edit of a page creates also a revision row.
-- This stores metadata about the revision, and a reference
-- to the text storage backend.
--
-CREATE TABLE /*$wgDBprefix*/revision (
- rev_id int(8) unsigned NOT NULL auto_increment,
+CREATE TABLE /*_*/revision (
+ rev_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
-- Key to page_id. This should _never_ be invalid.
- rev_page int(8) unsigned NOT NULL,
+ rev_page int unsigned NOT NULL,
-- Key to text.old_id, where the actual bulk text is stored.
-- It's possible for multiple revisions to use the same text,
-- for instance revisions where only metadata is altered
-- or a rollback to a previous version.
- rev_text_id int(8) unsigned NOT NULL,
+ rev_text_id int unsigned NOT NULL,
-- Text comment summarizing the change.
-- This text is shown in the history and other changes lists,
- -- rendered in a subset of wiki markup.
- rev_comment tinyblob NOT NULL default '',
+ -- rendered in a subset of wiki markup by Linker::formatComment()
+ rev_comment tinyblob NOT NULL,
- -- Key to user_id of the user who made this edit.
+ -- Key to user.user_id of the user who made this edit.
-- Stores 0 for anonymous edits and for some mass imports.
- rev_user int(5) unsigned NOT NULL default '0',
+ rev_user int unsigned NOT NULL default 0,
-- Text username or IP address of the editor.
rev_user_text varchar(255) binary NOT NULL default '',
-- Timestamp
- rev_timestamp char(14) binary NOT NULL default '',
+ rev_timestamp binary(14) NOT NULL default '',
-- Records whether the user marked the 'minor edit' checkbox.
-- Many automated edits are marked as minor.
- rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
+ rev_minor_edit tinyint unsigned NOT NULL default 0,
-- Not yet used; reserved for future changes to the deletion system.
- rev_deleted tinyint(1) unsigned NOT NULL default '0',
+ rev_deleted tinyint unsigned NOT NULL default 0,
- PRIMARY KEY rev_page_id (rev_page, rev_id),
- UNIQUE INDEX rev_id (rev_id),
- INDEX rev_timestamp (rev_timestamp),
- INDEX page_timestamp (rev_page,rev_timestamp),
- INDEX user_timestamp (rev_user,rev_timestamp),
- INDEX usertext_timestamp (rev_user_text,rev_timestamp)
+ -- Length of this revision in bytes
+ rev_len int unsigned,
+
+ -- Key to revision.rev_id
+ -- This field is used to add support for a tree structure (The Adjacency List Model)
+ rev_parent_id int unsigned default NULL
-) TYPE=InnoDB;
+) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024;
+-- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
+CREATE UNIQUE INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id);
+CREATE INDEX /*i*/rev_timestamp ON /*_*/revision (rev_timestamp);
+CREATE INDEX /*i*/page_timestamp ON /*_*/revision (rev_page,rev_timestamp);
+CREATE INDEX /*i*/user_timestamp ON /*_*/revision (rev_user,rev_timestamp);
+CREATE INDEX /*i*/usertext_timestamp ON /*_*/revision (rev_user_text,rev_timestamp);
--
-- Holds text of individual page revisions.
-- table into the 'text' table to minimize unnecessary churning
-- and downtime. If upgrading, the other fields will be left unused.
--
-CREATE TABLE /*$wgDBprefix*/text (
+CREATE TABLE /*_*/text (
-- Unique text storage key number.
-- Note that the 'oldid' parameter used in URLs does *not*
-- refer to this number anymore, but to rev_id.
- old_id int(8) unsigned NOT NULL auto_increment,
+ --
+ -- revision.rev_text_id is a key to this column
+ old_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
-- Depending on the contents of the old_flags field, the text
-- may be convenient plain text, or it may be funkily encoded.
- old_text mediumblob NOT NULL default '',
+ old_text mediumblob NOT NULL,
-- Comma-separated list of flags:
-- gzip: text is compressed with PHP's gzdeflate() function.
-- The object either contains multiple versions compressed
-- together to achieve a better compression ratio, or it refers
-- to another row where the text can be found.
- old_flags tinyblob NOT NULL default '',
-
- PRIMARY KEY old_id (old_id)
+ old_flags tinyblob NOT NULL
+) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=10240;
+-- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
-) TYPE=InnoDB;
--
-- Holding area for deleted articles, which may be viewed
-- The fields generally correspond to the page, revision, and text
-- fields, with several caveats.
--
-CREATE TABLE /*$wgDBprefix*/archive (
- ar_namespace int NOT NULL default '0',
+CREATE TABLE /*_*/archive (
+ ar_namespace int NOT NULL default 0,
ar_title varchar(255) binary NOT NULL default '',
-- Newly deleted pages will not store text in this table,
-- so old archived pages will remain accessible after
-- upgrading from 1.4 to 1.5.
-- Text may be gzipped or otherwise funky.
- ar_text mediumblob NOT NULL default '',
+ ar_text mediumblob NOT NULL,
-- Basic revision stuff...
- ar_comment tinyblob NOT NULL default '',
- ar_user int(5) unsigned NOT NULL default '0',
+ ar_comment tinyblob NOT NULL,
+ ar_user int unsigned NOT NULL default 0,
ar_user_text varchar(255) binary NOT NULL,
- ar_timestamp char(14) binary NOT NULL default '',
- ar_minor_edit tinyint(1) NOT NULL default '0',
+ ar_timestamp binary(14) NOT NULL default '',
+ ar_minor_edit tinyint NOT NULL default 0,
-- See ar_text note.
- ar_flags tinyblob NOT NULL default '',
+ ar_flags tinyblob NOT NULL,
-- When revisions are deleted, their unique rev_id is stored
-- here so it can be retained after undeletion. This is necessary
--
-- Old entries from 1.4 will be NULL here, and a new rev_id will
-- be created on undeletion for those revisions.
- ar_rev_id int(8) unsigned,
+ ar_rev_id int unsigned,
-- For newly deleted revisions, this is the text.old_id key to the
-- actual stored text. To avoid breaking the block-compression scheme
-- Old entries deleted under 1.2-1.4 will have NULL here, and their
-- ar_text and ar_flags fields will be used to create a new text
-- row upon undeletion.
- ar_text_id int(8) unsigned,
+ ar_text_id int unsigned,
+
+ -- rev_deleted for archives
+ ar_deleted tinyint unsigned NOT NULL default 0,
+
+ -- Length of this revision in bytes
+ ar_len int unsigned,
+
+ -- Reference to page_id. Useful for sysadmin fixing of large pages
+ -- merged together in the archives, or for cleanly restoring a page
+ -- at its original ID number if possible.
+ --
+ -- Will be NULL for pages deleted prior to 1.11.
+ ar_page_id int unsigned,
- KEY name_title_timestamp (ar_namespace,ar_title,ar_timestamp)
+ -- Original previous revision
+ ar_parent_id int unsigned default NULL
+) /*$wgDBTableOptions*/;
-) TYPE=InnoDB;
+CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
+CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
--
-- Track page-to-page hyperlinks within the wiki.
--
-CREATE TABLE /*$wgDBprefix*/pagelinks (
+CREATE TABLE /*_*/pagelinks (
-- Key to the page_id of the page containing the link.
- pl_from int(8) unsigned NOT NULL default '0',
+ pl_from int unsigned NOT NULL default 0,
-- Key to page_namespace/page_title of the target page.
-- The target page may or may not exist, and due to renames
-- and deletions may refer to different page records as time
-- goes by.
- pl_namespace int NOT NULL default '0',
- pl_title varchar(255) binary NOT NULL default '',
+ pl_namespace int NOT NULL default 0,
+ pl_title varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/pl_from ON /*_*/pagelinks (pl_from,pl_namespace,pl_title);
+CREATE UNIQUE INDEX /*i*/pl_namespace ON /*_*/pagelinks (pl_namespace,pl_title,pl_from);
+
+
+--
+-- Track template inclusions.
+--
+CREATE TABLE /*_*/templatelinks (
+ -- Key to the page_id of the page containing the link.
+ tl_from int unsigned NOT NULL default 0,
- UNIQUE KEY pl_from(pl_from,pl_namespace,pl_title),
- KEY (pl_namespace,pl_title)
+ -- Key to page_namespace/page_title of the target page.
+ -- The target page may or may not exist, and due to renames
+ -- and deletions may refer to different page records as time
+ -- goes by.
+ tl_namespace int NOT NULL default 0,
+ tl_title varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
-) TYPE=InnoDB;
+CREATE UNIQUE INDEX /*i*/tl_from ON /*_*/templatelinks (tl_from,tl_namespace,tl_title);
+CREATE UNIQUE INDEX /*i*/tl_namespace ON /*_*/templatelinks (tl_namespace,tl_title,tl_from);
--
-- We don't distinguish live from broken links here, so
-- they do not need to be changed on upload/removal.
--
-CREATE TABLE /*$wgDBprefix*/imagelinks (
+CREATE TABLE /*_*/imagelinks (
-- Key to page_id of the page containing the image / media link.
- il_from int(8) unsigned NOT NULL default '0',
+ il_from int unsigned NOT NULL default 0,
-- Filename of target image.
-- This is also the page_title of the file's description page;
- -- all such pages are in namespace 6 (NS_IMAGE).
- il_to varchar(255) binary NOT NULL default '',
-
- UNIQUE KEY il_from(il_from,il_to),
- KEY (il_to)
+ -- all such pages are in namespace 6 (NS_FILE).
+ il_to varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/il_from ON /*_*/imagelinks (il_from,il_to);
+CREATE UNIQUE INDEX /*i*/il_to ON /*_*/imagelinks (il_to,il_from);
-) TYPE=InnoDB;
--
-- Track category inclusions *used inline*
-- This tracks a single level of category membership
--- (folksonomic tagging, really).
--
-CREATE TABLE /*$wgDBprefix*/categorylinks (
+CREATE TABLE /*_*/categorylinks (
-- Key to page_id of the page defined as a category member.
- cl_from int(8) unsigned NOT NULL default '0',
+ cl_from int unsigned NOT NULL default 0,
-- Name of the category.
-- This is also the page_title of the category's description page;
-- The title of the linking page, or an optional override
-- to determine sort order. Sorting is by binary order, which
-- isn't always ideal, but collations seem to be an exciting
- -- and dangerous new world in MySQL...
+ -- and dangerous new world in MySQL... The sortkey is updated
+ -- if no override exists and cl_from is renamed.
--
- -- For MySQL 4.1+ with charset set to utf8, the sort key *index*
- -- needs cut to be smaller than 1024 bytes (at 3 bytes per char).
- -- To sort properly on the shorter key, this field needs to be
- -- the same shortness.
- cl_sortkey varchar(86) binary NOT NULL default '',
+ -- Truncate so that the cl_sortkey key fits in 1000 bytes
+ -- (MyISAM 5 with server_character_set=utf8)
+ cl_sortkey varchar(70) binary NOT NULL default '',
-- This isn't really used at present. Provided for an optional
-- sorting method by approximate addition time.
- cl_timestamp timestamp NOT NULL,
-
- UNIQUE KEY cl_from(cl_from,cl_to),
-
- -- We always sort within a given category...
- KEY cl_sortkey(cl_to,cl_sortkey),
+ cl_timestamp timestamp NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/cl_from ON /*_*/categorylinks (cl_from,cl_to);
+
+-- We always sort within a given category...
+CREATE INDEX /*i*/cl_sortkey ON /*_*/categorylinks (cl_to,cl_sortkey,cl_from);
+
+-- Not really used?
+CREATE INDEX /*i*/cl_timestamp ON /*_*/categorylinks (cl_to,cl_timestamp);
+
+
+--
+-- Track all existing categories. Something is a category if 1) it has an en-
+-- try somewhere in categorylinks, or 2) it once did. Categories might not
+-- have corresponding pages, so they need to be tracked separately.
+--
+CREATE TABLE /*_*/category (
+ -- Primary key
+ cat_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+
+ -- Name of the category, in the same form as page_title (with underscores).
+ -- If there is a category page corresponding to this category, by definition,
+ -- it has this name (in the Category namespace).
+ cat_title varchar(255) binary NOT NULL,
+
+ -- The numbers of member pages (including categories and media), subcatego-
+ -- ries, and Image: namespace members, respectively. These are signed to
+ -- make underflow more obvious. We make the first number include the second
+ -- two for better sorting: subtracting for display is easy, adding for order-
+ -- ing is not.
+ cat_pages int signed NOT NULL default 0,
+ cat_subcats int signed NOT NULL default 0,
+ cat_files int signed NOT NULL default 0,
+
+ -- Reserved for future use
+ cat_hidden tinyint unsigned NOT NULL default 0
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/cat_title ON /*_*/category (cat_title);
+
+-- For Special:Mostlinkedcategories
+CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages);
+
+
+--
+-- Track links to external URLs
+--
+CREATE TABLE /*_*/externallinks (
+ -- page_id of the referring page
+ el_from int unsigned NOT NULL default 0,
+
+ -- The URL
+ el_to blob NOT NULL,
+
+ -- In the case of HTTP URLs, this is the URL with any username or password
+ -- removed, and with the labels in the hostname reversed and converted to
+ -- lower case. An extra dot is added to allow for matching of either
+ -- example.com or *.example.com in a single scan.
+ -- Example:
+ -- http://user:password@sub.example.com/page.html
+ -- becomes
+ -- http://com.example.sub./page.html
+ -- which allows for fast searching for all pages under example.com with the
+ -- clause:
+ -- WHERE el_index LIKE 'http://com.example.%'
+ el_index blob NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from, el_to(40));
+CREATE INDEX /*i*/el_to ON /*_*/externallinks (el_to(60), el_from);
+CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index(60));
+
+
+--
+-- Track external user accounts, if ExternalAuth is used
+--
+CREATE TABLE /*_*/external_user (
+ -- Foreign key to user_id
+ eu_local_id int unsigned NOT NULL PRIMARY KEY,
+
+ -- Some opaque identifier provided by the external database
+ eu_external_id varchar(255) binary NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/eu_external_id ON /*_*/external_user (eu_external_id);
+
+
+--
+-- Track interlanguage links
+--
+CREATE TABLE /*_*/langlinks (
+ -- page_id of the referring page
+ ll_from int unsigned NOT NULL default 0,
- -- Not really used?
- KEY cl_timestamp(cl_to,cl_timestamp)
+ -- Language code of the target
+ ll_lang varbinary(20) NOT NULL default '',
+
+ -- Title of the target, including namespace
+ ll_title varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/ll_from ON /*_*/langlinks (ll_from, ll_lang);
+CREATE INDEX /*i*/ll_lang ON /*_*/langlinks (ll_lang, ll_title);
-) TYPE=InnoDB;
--
-- Contains a single row with some aggregate info
-- on the state of the site.
--
-CREATE TABLE /*$wgDBprefix*/site_stats (
+CREATE TABLE /*_*/site_stats (
-- The single row should contain 1 here.
- ss_row_id int(8) unsigned NOT NULL,
+ ss_row_id int unsigned NOT NULL,
-- Total number of page views, if hit counters are enabled.
- ss_total_views bigint(20) unsigned default '0',
+ ss_total_views bigint unsigned default 0,
-- Total number of edits performed.
- ss_total_edits bigint(20) unsigned default '0',
+ ss_total_edits bigint unsigned default 0,
-- An approximate count of pages matching the following criteria:
-- * in namespace 0
-- * not a redirect
-- * contains the text '[['
- -- See isCountable() in includes/Article.php
- ss_good_articles bigint(20) unsigned default '0',
+ -- See Article::isCountable() in includes/Article.php
+ ss_good_articles bigint unsigned default 0,
-- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
- ss_total_pages bigint(20) default -1,
+ ss_total_pages bigint default '-1',
-- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
- ss_users bigint(20) default -1,
+ ss_users bigint default '-1',
+
+ -- Number of users that still edit
+ ss_active_users bigint default '-1',
-- Deprecated, no longer updated as of 1.5
- ss_admins int(10) default -1,
+ ss_admins int default '-1',
- UNIQUE KEY ss_row_id (ss_row_id)
+ -- Number of images, equivalent to SELECT COUNT(*) FROM image
+ ss_images int default 0
+) /*$wgDBTableOptions*/;
+
+-- Pointless index to assuage developer superstitions
+CREATE UNIQUE INDEX /*i*/ss_row_id ON /*_*/site_stats (ss_row_id);
-) TYPE=InnoDB;
--
-- Stores an ID for every time any article is visited;
-- depending on $wgHitcounterUpdateFreq, it is
-- periodically cleared and the page_counter column
--- in the page table updated for the all articles
+-- in the page table updated for all the articles
-- that have been visited.)
--
-CREATE TABLE /*$wgDBprefix*/hitcounter (
- hc_id INTEGER UNSIGNED NOT NULL
-) TYPE=HEAP MAX_ROWS=25000;
+CREATE TABLE /*_*/hitcounter (
+ hc_id int unsigned NOT NULL
+) ENGINE=HEAP MAX_ROWS=25000;
--
-- The internet is full of jerks, alas. Sometimes it's handy
-- to block a vandal or troll account.
--
-CREATE TABLE /*$wgDBprefix*/ipblocks (
+CREATE TABLE /*_*/ipblocks (
-- Primary key, introduced for privacy.
- ipb_id int(8) NOT NULL auto_increment,
+ ipb_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
-- Blocked IP address in dotted-quad form or user name.
- ipb_address varchar(40) binary NOT NULL default '',
+ ipb_address tinyblob NOT NULL,
-- Blocked user ID or 0 for IP blocks.
- ipb_user int(8) unsigned NOT NULL default '0',
+ ipb_user int unsigned NOT NULL default 0,
-- User ID who made the block.
- ipb_by int(8) unsigned NOT NULL default '0',
+ ipb_by int unsigned NOT NULL default 0,
+
+ -- User name of blocker
+ ipb_by_text varchar(255) binary NOT NULL default '',
-- Text comment made by blocker.
- ipb_reason tinyblob NOT NULL default '',
+ ipb_reason tinyblob NOT NULL,
-- Creation (or refresh) date in standard YMDHMS form.
-- IP blocks expire automatically.
- ipb_timestamp char(14) binary NOT NULL default '',
+ ipb_timestamp binary(14) NOT NULL default '',
-- Indicates that the IP address was banned because a banned
-- user accessed a page through it. If this is 1, ipb_address
-- will be hidden, and the block identified by block ID number.
- ipb_auto tinyint(1) NOT NULL default '0',
+ ipb_auto bool NOT NULL default 0,
+
+ -- If set to 1, block applies only to logged-out users
+ ipb_anon_only bool NOT NULL default 0,
+
+ -- Block prevents account creation from matching IP addresses
+ ipb_create_account bool NOT NULL default 1,
+
+ -- Block triggers autoblocks
+ ipb_enable_autoblock bool NOT NULL default '1',
-- Time at which the block will expire.
- ipb_expiry char(14) binary NOT NULL default '',
+ -- May be "infinity"
+ ipb_expiry varbinary(14) NOT NULL default '',
+
+ -- Start and end of an address range, in hexadecimal
+ -- Size chosen to allow IPv6
+ ipb_range_start tinyblob NOT NULL,
+ ipb_range_end tinyblob NOT NULL,
- PRIMARY KEY ipb_id (ipb_id),
- INDEX ipb_address (ipb_address),
- INDEX ipb_user (ipb_user)
+ -- Flag for entries hidden from users and Sysops
+ ipb_deleted bool NOT NULL default 0,
-) TYPE=InnoDB;
+ -- Block prevents user from accessing Special:Emailuser
+ ipb_block_email bool NOT NULL default 0,
+
+ -- Block allows user to edit their own talk page
+ ipb_allow_usertalk bool NOT NULL default 0
+
+) /*$wgDBTableOptions*/;
+
+-- Unique index to support "user already blocked" messages
+-- Any new options which prevent collisions should be included
+CREATE UNIQUE INDEX /*i*/ipb_address ON /*_*/ipblocks (ipb_address(255), ipb_user, ipb_auto, ipb_anon_only);
+
+CREATE INDEX /*i*/ipb_user ON /*_*/ipblocks (ipb_user);
+CREATE INDEX /*i*/ipb_range ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
+CREATE INDEX /*i*/ipb_timestamp ON /*_*/ipblocks (ipb_timestamp);
+CREATE INDEX /*i*/ipb_expiry ON /*_*/ipblocks (ipb_expiry);
--
-- Uploaded images and other files.
--
-CREATE TABLE /*$wgDBprefix*/image (
+CREATE TABLE /*_*/image (
-- Filename.
-- This is also the title of the associated description page,
- -- which will be in namespace 6 (NS_IMAGE).
- img_name varchar(255) binary NOT NULL default '',
+ -- which will be in namespace 6 (NS_FILE).
+ img_name varchar(255) binary NOT NULL default '' PRIMARY KEY,
-- File size in bytes.
- img_size int(8) unsigned NOT NULL default '0',
+ img_size int unsigned NOT NULL default 0,
-- For images, size in pixels.
- img_width int(5) NOT NULL default '0',
- img_height int(5) NOT NULL default '0',
+ img_width int NOT NULL default 0,
+ img_height int NOT NULL default 0,
-- Extracted EXIF metadata stored as a serialized PHP array.
img_metadata mediumblob NOT NULL,
-- For images, bits per pixel if known.
- img_bits int(3) NOT NULL default '0',
+ img_bits int NOT NULL default 0,
-- Media type as defined by the MEDIATYPE_xxx constants
img_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
-- the minor parts are not required to adher to any standard
-- but should be consistent throughout the database
-- see http://www.iana.org/assignments/media-types/
- img_minor_mime varchar(32) NOT NULL default "unknown",
+ img_minor_mime varbinary(100) NOT NULL default "unknown",
-- Description field as entered by the uploader.
-- This is displayed in image upload history and logs.
- img_description tinyblob NOT NULL default '',
+ img_description tinyblob NOT NULL,
-- user_id and user_name of uploader.
- img_user int(5) unsigned NOT NULL default '0',
- img_user_text varchar(255) binary NOT NULL default '',
+ img_user int unsigned NOT NULL default 0,
+ img_user_text varchar(255) binary NOT NULL,
-- Time of the upload.
- img_timestamp char(14) binary NOT NULL default '',
+ img_timestamp varbinary(14) NOT NULL default '',
- PRIMARY KEY img_name (img_name),
-
- -- Used by Special:Imagelist for sort-by-size
- INDEX img_size (img_size),
-
- -- Used by Special:Newimages and Special:Imagelist
- INDEX img_timestamp (img_timestamp)
+ -- SHA-1 content hash in base-36
+ img_sha1 varbinary(32) NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/img_usertext_timestamp ON /*_*/image (img_user_text,img_timestamp);
+-- Used by Special:Imagelist for sort-by-size
+CREATE INDEX /*i*/img_size ON /*_*/image (img_size);
+-- Used by Special:Newimages and Special:Imagelist
+CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp);
+-- Used in API and duplicate search
+CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1);
-) TYPE=InnoDB;
--
-- Previous revisions of uploaded files.
-- Awkwardly, image rows have to be moved into
-- this table at re-upload time.
--
-CREATE TABLE /*$wgDBprefix*/oldimage (
+CREATE TABLE /*_*/oldimage (
-- Base filename: key to image.img_name
oi_name varchar(255) binary NOT NULL default '',
oi_archive_name varchar(255) binary NOT NULL default '',
-- Other fields as in image...
- oi_size int(8) unsigned NOT NULL default 0,
- oi_width int(5) NOT NULL default 0,
- oi_height int(5) NOT NULL default 0,
- oi_bits int(3) NOT NULL default 0,
- oi_description tinyblob NOT NULL default '',
- oi_user int(5) unsigned NOT NULL default '0',
- oi_user_text varchar(255) binary NOT NULL default '',
- oi_timestamp char(14) binary NOT NULL default '',
+ oi_size int unsigned NOT NULL default 0,
+ oi_width int NOT NULL default 0,
+ oi_height int NOT NULL default 0,
+ oi_bits int NOT NULL default 0,
+ oi_description tinyblob NOT NULL,
+ oi_user int unsigned NOT NULL default 0,
+ oi_user_text varchar(255) binary NOT NULL,
+ oi_timestamp binary(14) NOT NULL default '',
+
+ oi_metadata mediumblob NOT NULL,
+ oi_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
+ oi_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
+ oi_minor_mime varbinary(100) NOT NULL default "unknown",
+ oi_deleted tinyint unsigned NOT NULL default 0,
+ oi_sha1 varbinary(32) NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/oi_usertext_timestamp ON /*_*/oldimage (oi_user_text,oi_timestamp);
+CREATE INDEX /*i*/oi_name_timestamp ON /*_*/oldimage (oi_name,oi_timestamp);
+-- oi_archive_name truncated to 14 to avoid key length overflow
+CREATE INDEX /*i*/oi_name_archive_name ON /*_*/oldimage (oi_name,oi_archive_name(14));
+CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1);
- INDEX oi_name (oi_name(10))
-) TYPE=InnoDB;
+--
+-- Record of deleted file data
+--
+CREATE TABLE /*_*/filearchive (
+ -- Unique row id
+ fa_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
+
+ -- Original base filename; key to image.img_name, page.page_title, etc
+ fa_name varchar(255) binary NOT NULL default '',
+
+ -- Filename of archived file, if an old revision
+ fa_archive_name varchar(255) binary default '',
+
+ -- Which storage bin (directory tree or object store) the file data
+ -- is stored in. Should be 'deleted' for files that have been deleted;
+ -- any other bin is not yet in use.
+ fa_storage_group varbinary(16),
+
+ -- SHA-1 of the file contents plus extension, used as a key for storage.
+ -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
+ --
+ -- If NULL, the file was missing at deletion time or has been purged
+ -- from the archival storage.
+ fa_storage_key varbinary(64) default '',
+
+ -- Deletion information, if this file is deleted.
+ fa_deleted_user int,
+ fa_deleted_timestamp binary(14) default '',
+ fa_deleted_reason text,
+
+ -- Duped fields from image
+ fa_size int unsigned default 0,
+ fa_width int default 0,
+ fa_height int default 0,
+ fa_metadata mediumblob,
+ fa_bits int default 0,
+ fa_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
+ fa_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
+ fa_minor_mime varbinary(100) default "unknown",
+ fa_description tinyblob,
+ fa_user int unsigned default 0,
+ fa_user_text varchar(255) binary,
+ fa_timestamp binary(14) default '',
+
+ -- Visibility of deleted revisions, bitfield
+ fa_deleted tinyint unsigned NOT NULL default 0
+) /*$wgDBTableOptions*/;
+
+-- pick out by image name
+CREATE INDEX /*i*/fa_name ON /*_*/filearchive (fa_name, fa_timestamp);
+-- pick out dupe files
+CREATE INDEX /*i*/fa_storage_group ON /*_*/filearchive (fa_storage_group, fa_storage_key);
+-- sort by deletion time
+CREATE INDEX /*i*/fa_deleted_timestamp ON /*_*/filearchive (fa_deleted_timestamp);
+-- sort by uploader
+CREATE INDEX /*i*/fa_user_timestamp ON /*_*/filearchive (fa_user_text,fa_timestamp);
--
-- Primarily a summary table for Special:Recentchanges,
-- this table contains some additional info on edits from
--- the last few days.
+-- the last few days, see Article::editUpdates()
--
-CREATE TABLE /*$wgDBprefix*/recentchanges (
- rc_id int(8) NOT NULL auto_increment,
- rc_timestamp varchar(14) binary NOT NULL default '',
- rc_cur_time varchar(14) binary NOT NULL default '',
+CREATE TABLE /*_*/recentchanges (
+ rc_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
+ rc_timestamp varbinary(14) NOT NULL default '',
+ rc_cur_time varbinary(14) NOT NULL default '',
-- As in revision
- rc_user int(10) unsigned NOT NULL default '0',
- rc_user_text varchar(255) binary NOT NULL default '',
+ rc_user int unsigned NOT NULL default 0,
+ rc_user_text varchar(255) binary NOT NULL,
-- When pages are renamed, their RC entries do _not_ change.
- rc_namespace int NOT NULL default '0',
+ rc_namespace int NOT NULL default 0,
rc_title varchar(255) binary NOT NULL default '',
-- as in revision...
rc_comment varchar(255) binary NOT NULL default '',
- rc_minor tinyint(3) unsigned NOT NULL default '0',
+ rc_minor tinyint unsigned NOT NULL default 0,
-- Edits by user accounts with the 'bot' rights key are
-- marked with a 1 here, and will be hidden from the
-- default view.
- rc_bot tinyint(3) unsigned NOT NULL default '0',
+ rc_bot tinyint unsigned NOT NULL default 0,
- rc_new tinyint(3) unsigned NOT NULL default '0',
+ rc_new tinyint unsigned NOT NULL default 0,
-- Key to page_id (was cur_id prior to 1.5).
-- This will keep links working after moves while
-- retaining the at-the-time name in the changes list.
- rc_cur_id int(10) unsigned NOT NULL default '0',
+ rc_cur_id int unsigned NOT NULL default 0,
-- rev_id of the given revision
- rc_this_oldid int(10) unsigned NOT NULL default '0',
+ rc_this_oldid int unsigned NOT NULL default 0,
-- rev_id of the prior revision, for generating diff links.
- rc_last_oldid int(10) unsigned NOT NULL default '0',
+ rc_last_oldid int unsigned NOT NULL default 0,
-- These may no longer be used, with the new move log.
- rc_type tinyint(3) unsigned NOT NULL default '0',
- rc_moved_to_ns tinyint(3) unsigned NOT NULL default '0',
+ rc_type tinyint unsigned NOT NULL default 0,
+ rc_moved_to_ns tinyint unsigned NOT NULL default 0,
rc_moved_to_title varchar(255) binary NOT NULL default '',
-- If the Recent Changes Patrol option is enabled,
-- users may mark edits as having been reviewed to
-- remove a warning flag on the RC list.
-- A value of 1 indicates the page has been reviewed.
- rc_patrolled tinyint(3) unsigned NOT NULL default '0',
+ rc_patrolled tinyint unsigned NOT NULL default 0,
-- Recorded IP address the edit was made from, if the
-- $wgPutIPinRC option is enabled.
- rc_ip char(15) NOT NULL default '',
-
- PRIMARY KEY rc_id (rc_id),
- INDEX rc_timestamp (rc_timestamp),
- INDEX rc_namespace_title (rc_namespace, rc_title),
- INDEX rc_cur_id (rc_cur_id),
- INDEX new_name_timestamp(rc_new,rc_namespace,rc_timestamp),
- INDEX rc_ip (rc_ip)
-
-) TYPE=InnoDB;
-
-CREATE TABLE /*$wgDBprefix*/watchlist (
- -- Key to user_id
- wl_user int(5) unsigned NOT NULL,
+ rc_ip varbinary(40) NOT NULL default '',
+
+ -- Text length in characters before
+ -- and after the edit
+ rc_old_len int,
+ rc_new_len int,
+
+ -- Visibility of recent changes items, bitfield
+ rc_deleted tinyint unsigned NOT NULL default 0,
+
+ -- Value corresonding to log_id, specific log entries
+ rc_logid int unsigned NOT NULL default 0,
+ -- Store log type info here, or null
+ rc_log_type varbinary(255) NULL default NULL,
+ -- Store log action or null
+ rc_log_action varbinary(255) NULL default NULL,
+ -- Log params
+ rc_params blob NULL
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/rc_timestamp ON /*_*/recentchanges (rc_timestamp);
+CREATE INDEX /*i*/rc_namespace_title ON /*_*/recentchanges (rc_namespace, rc_title);
+CREATE INDEX /*i*/rc_cur_id ON /*_*/recentchanges (rc_cur_id);
+CREATE INDEX /*i*/new_name_timestamp ON /*_*/recentchanges (rc_new,rc_namespace,rc_timestamp);
+CREATE INDEX /*i*/rc_ip ON /*_*/recentchanges (rc_ip);
+CREATE INDEX /*i*/rc_ns_usertext ON /*_*/recentchanges (rc_namespace, rc_user_text);
+CREATE INDEX /*i*/rc_user_text ON /*_*/recentchanges (rc_user_text, rc_timestamp);
+
+
+CREATE TABLE /*_*/watchlist (
+ -- Key to user.user_id
+ wl_user int unsigned NOT NULL,
-- Key to page_namespace/page_title
- -- Note that users may watch patches which do not exist yet,
+ -- Note that users may watch pages which do not exist yet,
-- or existed in the past but have been deleted.
- wl_namespace int NOT NULL default '0',
+ wl_namespace int NOT NULL default 0,
wl_title varchar(255) binary NOT NULL default '',
-- Timestamp when user was last sent a notification e-mail;
-- cleared when the user visits the page.
- -- FIXME: add proper null support etc
- wl_notificationtimestamp varchar(14) binary NOT NULL default '0',
+ wl_notificationtimestamp varbinary(14)
- UNIQUE KEY (wl_user, wl_namespace, wl_title),
- KEY namespace_title (wl_namespace,wl_title)
+) /*$wgDBTableOptions*/;
-) TYPE=InnoDB;
+CREATE UNIQUE INDEX /*i*/wl_user ON /*_*/watchlist (wl_user, wl_namespace, wl_title);
+CREATE INDEX /*i*/namespace_title ON /*_*/watchlist (wl_namespace, wl_title);
--
--- Used by texvc math-rendering extension to keep track
+-- Used by the math module to keep track
-- of previously-rendered items.
--
-CREATE TABLE /*$wgDBprefix*/math (
+CREATE TABLE /*_*/math (
-- Binary MD5 hash of the latex fragment, used as an identifier key.
- math_inputhash varchar(16) NOT NULL,
+ math_inputhash varbinary(16) NOT NULL,
-- Not sure what this is, exactly...
- math_outputhash varchar(16) NOT NULL,
+ math_outputhash varbinary(16) NOT NULL,
-- texvc reports how well it thinks the HTML conversion worked;
-- if it's a low level the PNG rendering may be preferred.
- math_html_conservativeness tinyint(1) NOT NULL,
+ math_html_conservativeness tinyint NOT NULL,
-- HTML output from texvc, if any
math_html text,
-- MathML output from texvc, if any
- math_mathml text,
-
- UNIQUE KEY math_inputhash (math_inputhash)
+ math_mathml text
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/math_inputhash ON /*_*/math (math_inputhash);
-) TYPE=InnoDB;
--
-- When using the default MySQL search backend, page titles
-- This table must be MyISAM; InnoDB does not support the needed
-- fulltext index.
--
-CREATE TABLE /*$wgDBprefix*/searchindex (
+CREATE TABLE /*_*/searchindex (
-- Key to page_id
- si_page int(8) unsigned NOT NULL,
+ si_page int unsigned NOT NULL,
-- Munged version of title
si_title varchar(255) NOT NULL default '',
-- Munged version of body text
- si_text mediumtext NOT NULL default '',
-
- UNIQUE KEY (si_page),
- FULLTEXT si_title (si_title),
- FULLTEXT si_text (si_text)
+ si_text mediumtext NOT NULL
+) ENGINE=MyISAM;
+
+CREATE UNIQUE INDEX /*i*/si_page ON /*_*/searchindex (si_page);
+CREATE FULLTEXT INDEX /*i*/si_title ON /*_*/searchindex (si_title);
+CREATE FULLTEXT INDEX /*i*/si_text ON /*_*/searchindex (si_text);
-) TYPE=MyISAM;
--
-- Recognized interwiki link prefixes
--
-CREATE TABLE /*$wgDBprefix*/interwiki (
+CREATE TABLE /*_*/interwiki (
-- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
- iw_prefix char(32) NOT NULL,
+ iw_prefix varchar(32) NOT NULL,
-- The URL of the wiki, with "$1" as a placeholder for an article name.
-- Any spaces in the name will be transformed to underscores before
-- insertion.
- iw_url char(127) NOT NULL,
+ iw_url blob NOT NULL,
-- A boolean value indicating whether the wiki is in this project
-- (used, for example, to detect redirect loops)
- iw_local BOOL NOT NULL,
+ iw_local bool NOT NULL,
-- Boolean value indicating whether interwiki transclusions are allowed.
- iw_trans TINYINT(1) NOT NULL DEFAULT 0,
-
- UNIQUE KEY iw_prefix (iw_prefix)
+ iw_trans tinyint NOT NULL default 0
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/iw_prefix ON /*_*/interwiki (iw_prefix);
-) TYPE=InnoDB;
--
-- Used for caching expensive grouped queries
--
-CREATE TABLE /*$wgDBprefix*/querycache (
+CREATE TABLE /*_*/querycache (
-- A key name, generally the base name of of the special page.
- qc_type char(32) NOT NULL,
+ qc_type varbinary(32) NOT NULL,
-- Some sort of stored value. Sizes, counts...
- qc_value int(5) unsigned NOT NULL default '0',
+ qc_value int unsigned NOT NULL default 0,
-- Target namespace+title
- qc_namespace int NOT NULL default '0',
- qc_title char(255) binary NOT NULL default '',
-
- KEY (qc_type,qc_value)
+ qc_namespace int NOT NULL default 0,
+ qc_title varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/qc_type ON /*_*/querycache (qc_type,qc_value);
-) TYPE=InnoDB;
--
-- For a few generic cache operations if not using Memcached
--
-CREATE TABLE /*$wgDBprefix*/objectcache (
- keyname char(255) binary not null default '',
+CREATE TABLE /*_*/objectcache (
+ keyname varbinary(255) NOT NULL default '' PRIMARY KEY,
value mediumblob,
- exptime datetime,
- unique key (keyname),
- key (exptime)
-
-) TYPE=InnoDB;
-
--- For article validation
-CREATE TABLE /*$wgDBprefix*/validate (
- val_user int(11) NOT NULL default '0',
- val_page int(11) unsigned NOT NULL default '0',
- val_revision int(11) unsigned NOT NULL default '0',
- val_type int(11) unsigned NOT NULL default '0',
- val_value int(11) default '0',
- val_comment varchar(255) NOT NULL default '',
- val_ip varchar(20) NOT NULL default '',
- KEY val_user (val_user,val_revision)
-) TYPE=InnoDB;
-
-
-CREATE TABLE /*$wgDBprefix*/logging (
+ exptime datetime
+) /*$wgDBTableOptions*/;
+CREATE INDEX /*i*/exptime ON /*_*/objectcache (exptime);
+
+
+--
+-- Cache of interwiki transclusion
+--
+CREATE TABLE /*_*/transcache (
+ tc_url varbinary(255) NOT NULL,
+ tc_contents text,
+ tc_time binary(14) NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/tc_url_idx ON /*_*/transcache (tc_url);
+
+
+CREATE TABLE /*_*/logging (
+ -- Log ID, for referring to this specific log entry, probably for deletion and such.
+ log_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+
-- Symbolic keys for the general log type and the action type
-- within the log. The output format will be controlled by the
-- action field, but only the type controls categorization.
- log_type char(10) NOT NULL default '',
- log_action char(10) NOT NULL default '',
+ log_type varbinary(32) NOT NULL default '',
+ log_action varbinary(32) NOT NULL default '',
-- Timestamp. Duh.
- log_timestamp char(14) NOT NULL default '19700101000000',
+ log_timestamp binary(14) NOT NULL default '19700101000000',
-- The user who performed this action; key to user_id
log_user int unsigned NOT NULL default 0,
+ -- Name of the user who performed this action
+ log_user_text varchar(255) binary NOT NULL default '',
+
-- Key to the page affected. Where a user is the target,
-- this will point to the user page.
log_namespace int NOT NULL default 0,
log_title varchar(255) binary NOT NULL default '',
+ log_page int unsigned NULL,
-- Freeform text. Interpreted as edit history comments.
log_comment varchar(255) NOT NULL default '',
-- LF separated list of miscellaneous parameters
- log_params blob NOT NULL default '',
+ log_params blob NOT NULL,
- KEY type_time (log_type, log_timestamp),
- KEY user_time (log_user, log_timestamp),
- KEY page_time (log_namespace, log_title, log_timestamp)
+ -- rev_deleted for logs
+ log_deleted tinyint unsigned NOT NULL default 0
+) /*$wgDBTableOptions*/;
-) TYPE=InnoDB;
+CREATE INDEX /*i*/type_time ON /*_*/logging (log_type, log_timestamp);
+CREATE INDEX /*i*/user_time ON /*_*/logging (log_user, log_timestamp);
+CREATE INDEX /*i*/page_time ON /*_*/logging (log_namespace, log_title, log_timestamp);
+CREATE INDEX /*i*/times ON /*_*/logging (log_timestamp);
+CREATE INDEX /*i*/log_user_type_time ON /*_*/logging (log_user, log_type, log_timestamp);
+CREATE INDEX /*i*/log_page_id_time ON /*_*/logging (log_page,log_timestamp);
+CREATE TABLE /*_*/log_search (
+ -- The type of ID (rev ID, log ID, rev timestamp, username)
+ ls_field varbinary(32) NOT NULL,
+ -- The value of the ID
+ ls_value varchar(255) NOT NULL,
+ -- Key to log_id
+ ls_log_id int unsigned NOT NULL default 0
+) /*$wgDBTableOptions*/;
+CREATE UNIQUE INDEX /*i*/ls_field_val ON /*_*/log_search (ls_field,ls_value,ls_log_id);
+CREATE INDEX /*i*/ls_log_id ON /*_*/log_search (ls_log_id);
+CREATE TABLE /*_*/trackbacks (
+ tb_id int PRIMARY KEY AUTO_INCREMENT,
+ tb_page int REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
+ tb_title varchar(255) NOT NULL,
+ tb_url blob NOT NULL,
+ tb_ex text,
+ tb_name varchar(255)
+) /*$wgDBTableOptions*/;
+CREATE INDEX /*i*/tb_page ON /*_*/trackbacks (tb_page);
--- Hold group name and description
---CREATE TABLE /*$wgDBprefix*/groups (
--- gr_id int(5) unsigned NOT NULL auto_increment,
--- gr_name varchar(50) NOT NULL default '',
--- gr_description varchar(255) NOT NULL default '',
--- gr_rights tinyblob,
--- PRIMARY KEY (gr_id)
---
---) TYPE=InnoDB;
-CREATE TABLE /*$wgDBprefix*/trackbacks (
- tb_id INTEGER AUTO_INCREMENT PRIMARY KEY,
- tb_page INTEGER REFERENCES page(page_id) ON DELETE CASCADE,
- tb_title VARCHAR(255) NOT NULL,
- tb_url VARCHAR(255) NOT NULL,
- tb_ex TEXT,
- tb_name VARCHAR(255),
+-- Jobs performed by parallel apache threads or a command-line daemon
+CREATE TABLE /*_*/job (
+ job_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+
+ -- Command name
+ -- Limited to 60 to prevent key length overflow
+ job_cmd varbinary(60) NOT NULL default '',
+
+ -- Namespace and title to act on
+ -- Should be 0 and '' if the command does not operate on a title
+ job_namespace int NOT NULL,
+ job_title varchar(255) binary NOT NULL,
+
+ -- Any other parameters to the command
+ -- Stored as a PHP serialized array, or an empty string if there are no parameters
+ job_params blob NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title, job_params(128));
- INDEX (tb_page)
-) TYPE=InnoDB;
-CREATE TABLE /*$wgDBprefix*/transcache (
- tc_url VARCHAR(255) NOT NULL,
- tc_contents TEXT,
- tc_time INT NOT NULL,
- UNIQUE INDEX tc_url_idx(tc_url)
-) TYPE=InnoDB;
+-- Details of updates to cached special pages
+CREATE TABLE /*_*/querycache_info (
+ -- Special page name
+ -- Corresponds to a qc_type value
+ qci_type varbinary(32) NOT NULL default '',
+ -- Timestamp of last update
+ qci_timestamp binary(14) NOT NULL default '19700101000000'
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/qci_type ON /*_*/querycache_info (qci_type);
+
+
+-- For each redirect, this table contains exactly one row defining its target
+CREATE TABLE /*_*/redirect (
+ -- Key to the page_id of the redirect page
+ rd_from int unsigned NOT NULL default 0 PRIMARY KEY,
+
+ -- Key to page_namespace/page_title of the target page.
+ -- The target page may or may not exist, and due to renames
+ -- and deletions may refer to different page records as time
+ -- goes by.
+ rd_namespace int NOT NULL default 0,
+ rd_title varchar(255) binary NOT NULL default '',
+ rd_interwiki varchar(32) default NULL,
+ rd_fragment varchar(255) binary default NULL
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/rd_ns_title ON /*_*/redirect (rd_namespace,rd_title,rd_from);
+
+
+-- Used for caching expensive grouped queries that need two links (for example double-redirects)
+CREATE TABLE /*_*/querycachetwo (
+ -- A key name, generally the base name of of the special page.
+ qcc_type varbinary(32) NOT NULL,
+
+ -- Some sort of stored value. Sizes, counts...
+ qcc_value int unsigned NOT NULL default 0,
+
+ -- Target namespace+title
+ qcc_namespace int NOT NULL default 0,
+ qcc_title varchar(255) binary NOT NULL default '',
+
+ -- Target namespace+title2
+ qcc_namespacetwo int NOT NULL default 0,
+ qcc_titletwo varchar(255) binary NOT NULL default ''
+) /*$wgDBTableOptions*/;
+
+CREATE INDEX /*i*/qcc_type ON /*_*/querycachetwo (qcc_type,qcc_value);
+CREATE INDEX /*i*/qcc_title ON /*_*/querycachetwo (qcc_type,qcc_namespace,qcc_title);
+CREATE INDEX /*i*/qcc_titletwo ON /*_*/querycachetwo (qcc_type,qcc_namespacetwo,qcc_titletwo);
+
+
+-- Used for storing page restrictions (i.e. protection levels)
+CREATE TABLE /*_*/page_restrictions (
+ -- Page to apply restrictions to (Foreign Key to page).
+ pr_page int NOT NULL,
+ -- The protection type (edit, move, etc)
+ pr_type varbinary(60) NOT NULL,
+ -- The protection level (Sysop, autoconfirmed, etc)
+ pr_level varbinary(60) NOT NULL,
+ -- Whether or not to cascade the protection down to pages transcluded.
+ pr_cascade tinyint NOT NULL,
+ -- Field for future support of per-user restriction.
+ pr_user int NULL,
+ -- Field for time-limited protection.
+ pr_expiry varbinary(14) NULL,
+ -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
+ pr_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/pr_pagetype ON /*_*/page_restrictions (pr_page,pr_type);
+CREATE INDEX /*i*/pr_typelevel ON /*_*/page_restrictions (pr_type,pr_level);
+CREATE INDEX /*i*/pr_level ON /*_*/page_restrictions (pr_level);
+CREATE INDEX /*i*/pr_cascade ON /*_*/page_restrictions (pr_cascade);
+
+
+-- Protected titles - nonexistent pages that have been protected
+CREATE TABLE /*_*/protected_titles (
+ pt_namespace int NOT NULL,
+ pt_title varchar(255) binary NOT NULL,
+ pt_user int unsigned NOT NULL,
+ pt_reason tinyblob,
+ pt_timestamp binary(14) NOT NULL,
+ pt_expiry varbinary(14) NOT NULL default '',
+ pt_create_perm varbinary(60) NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/pt_namespace_title ON /*_*/protected_titles (pt_namespace,pt_title);
+CREATE INDEX /*i*/pt_timestamp ON /*_*/protected_titles (pt_timestamp);
+
+
+-- Name/value pairs indexed by page_id
+CREATE TABLE /*_*/page_props (
+ pp_page int NOT NULL,
+ pp_propname varbinary(60) NOT NULL,
+ pp_value blob NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/pp_page_propname ON /*_*/page_props (pp_page,pp_propname);
+
+
+-- A table to log updates, one text key row per update.
+CREATE TABLE /*_*/updatelog (
+ ul_key varchar(255) NOT NULL PRIMARY KEY
+) /*$wgDBTableOptions*/;
+
+
+-- A table to track tags for revisions, logs and recent changes.
+CREATE TABLE /*_*/change_tag (
+ -- RCID for the change
+ ct_rc_id int NULL,
+ -- LOGID for the change
+ ct_log_id int NULL,
+ -- REVID for the change
+ ct_rev_id int NULL,
+ -- Tag applied
+ ct_tag varchar(255) NOT NULL,
+ -- Parameters for the tag, presently unused
+ ct_params blob NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/change_tag_rc_tag ON /*_*/change_tag (ct_rc_id,ct_tag);
+CREATE UNIQUE INDEX /*i*/change_tag_log_tag ON /*_*/change_tag (ct_log_id,ct_tag);
+CREATE UNIQUE INDEX /*i*/change_tag_rev_tag ON /*_*/change_tag (ct_rev_id,ct_tag);
+-- Covering index, so we can pull all the info only out of the index.
+CREATE INDEX /*i*/change_tag_tag_id ON /*_*/change_tag (ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
+
+
+-- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
+-- that only works on MySQL 4.1+
+CREATE TABLE /*_*/tag_summary (
+ -- RCID for the change
+ ts_rc_id int NULL,
+ -- LOGID for the change
+ ts_log_id int NULL,
+ -- REVID for the change
+ ts_rev_id int NULL,
+ -- Comma-separated list of tags
+ ts_tags blob NOT NULL
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/tag_summary_rc_id ON /*_*/tag_summary (ts_rc_id);
+CREATE UNIQUE INDEX /*i*/tag_summary_log_id ON /*_*/tag_summary (ts_log_id);
+CREATE UNIQUE INDEX /*i*/tag_summary_rev_id ON /*_*/tag_summary (ts_rev_id);
+
+
+CREATE TABLE /*_*/valid_tag (
+ vt_tag varchar(255) NOT NULL PRIMARY KEY
+) /*$wgDBTableOptions*/;
+
+-- Table for storing localisation data
+CREATE TABLE /*_*/l10n_cache (
+ -- Language code
+ lc_lang varbinary(32) NOT NULL,
+ -- Cache key
+ lc_key varchar(255) NOT NULL,
+ -- Value
+ lc_value mediumblob NOT NULL
+) /*$wgDBTableOptions*/;
+CREATE INDEX /*i*/lc_lang_key ON /*_*/l10n_cache (lc_lang, lc_key);
+
+-- vim: sw=2 sts=2 et