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Diffstat (limited to 'www/wiki/maintenance/tables.sql')
| -rw-r--r-- | www/wiki/maintenance/tables.sql | 1971 |
1 files changed, 1971 insertions, 0 deletions
diff --git a/www/wiki/maintenance/tables.sql b/www/wiki/maintenance/tables.sql new file mode 100644 index 00000000..df3264a4 --- /dev/null +++ b/www/wiki/maintenance/tables.sql @@ -0,0 +1,1971 @@ +-- SQL to create the initial tables for the MediaWiki database. +-- 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. +-- +-- For more documentation on the database schema, see +-- https://www.mediawiki.org/wiki/Manual:Database_layout +-- +-- General notes: +-- +-- If possible, create tables as InnoDB to benefit from the +-- superior resiliency against crashes and ability to read +-- during writes (and write during reads!) +-- +-- Only the 'searchindex' table requires MyISAM due to the +-- requirement for fulltext index support, which is missing +-- from InnoDB. +-- +-- +-- The MySQL table backend for MediaWiki currently uses +-- 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. +-- +-- Historically TIMESTAMP fields were used, but abandoned +-- in early 2002 after a lot of trouble with the fields +-- auto-updating. +-- +-- The Postgres backend uses TIMESTAMPTZ fields for timestamps, +-- and we will migrate the MySQL definitions at some point as +-- well. +-- +-- +-- 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 +-- table prefix if any when running these scripts. +-- + + +-- +-- The user table contains basic account information, +-- authentication keys, etc. +-- +-- Some multi-wiki sites may share a single central user table +-- between separate wikis using the $wgSharedDB setting. +-- +-- Note that when a external authentication plugin is used, +-- user table entries still need to be created to store +-- preferences and to key tracking information in the other +-- tables. +-- +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. 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, see User::crypt() and User::comparePasswords() + -- in User.php for the algorithm + user_password tinyblob NOT NULL, + + -- When using 'mail me a new password', a random + -- password is generated and the hash stored here. + -- The previous password is left in place until + -- 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, + + -- Timestamp of the last time when a new password was + -- sent, for throttling and expiring purposes + -- Emailed passwords will expire $wgNewPasswordExpiry + -- (a week) after being set. If user_newpass_time is NULL + -- (eg. created by mail) it doesn't expire. + user_newpass_time binary(14), + + -- Note: email should be restricted, not public info. + -- Same with passwords. + user_email tinytext NOT NULL, + + -- If the browser sends an If-Modified-Since header, a 304 response is + -- suppressed if the value in this field for the current user is later than + -- the value in the IMS header. That is, this field is an invalidation timestamp + -- for the browser cache of logged-in users. Among other things, it is used + -- to prevent pages generated for a previously logged in user from being + -- displayed after a session expiry followed by a fresh login. + 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 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 binary(14), + + -- Randomly generated token created when the e-mail address + -- is set and a confirmation test mail sent. + user_email_token binary(32), + + -- Expiration date for the user_email_token + user_email_token_expires binary(14), + + -- 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, + + -- Expiration date for user password. + user_password_expires varbinary(14) DEFAULT NULL + +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/user_name ON /*_*/user (user_name); +CREATE INDEX /*i*/user_email_token ON /*_*/user (user_email_token); +CREATE INDEX /*i*/user_email ON /*_*/user (user_email(50)); + + +-- +-- The "actor" table associates user names or IP addresses with integers for +-- the benefit of other tables that need to refer to either logged-in or +-- logged-out users. If something can only ever be done by logged-in users, it +-- can refer to the user table directly. +-- +CREATE TABLE /*_*/actor ( + -- Unique ID to identify each actor + actor_id bigint unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Key to user.user_id, or NULL for anonymous edits. + actor_user int unsigned, + + -- Text username or IP address + actor_name varchar(255) binary NOT NULL +) /*$wgDBTableOptions*/; + +-- User IDs and names must be unique. +CREATE UNIQUE INDEX /*i*/actor_user ON /*_*/actor (actor_user); +CREATE UNIQUE INDEX /*i*/actor_name ON /*_*/actor (actor_name); + + +-- +-- User permissions have been broken out to a separate table; +-- this allows sites with a shared user table to have different +-- permissions assigned to a user in each project. +-- +-- This table replaces the old user_rights field which used a +-- comma-separated blob. +-- +CREATE TABLE /*_*/user_groups ( + -- Key to user_id + 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 + -- only some predefined ones are likely to be used. + -- + -- At runtime $wgGroupPermissions will associate group keys + -- with particular permissions. A user will have the combined + -- permissions of any group they're explicitly in, plus + -- the implicit '*' and 'user' groups. + ug_group varbinary(255) NOT NULL default '', + + -- Time at which the user group membership will expire. Set to + -- NULL for a non-expiring (infinite) membership. + ug_expiry varbinary(14) NULL default NULL, + + PRIMARY KEY (ug_user, ug_group) +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/ug_group ON /*_*/user_groups (ug_group); +CREATE INDEX /*i*/ug_expiry ON /*_*/user_groups (ug_expiry); + +-- Stores the groups the user has once belonged to. +-- The user may still belong to these groups (check user_groups). +-- Users are not autopromoted to groups from which they were removed. +CREATE TABLE /*_*/user_former_groups ( + -- Key to user_id + ufg_user int unsigned NOT NULL default 0, + ufg_group varbinary(255) NOT NULL default '', + PRIMARY KEY (ufg_user,ufg_group) +) /*$wgDBTableOptions*/; + +-- +-- Stores notifications of user talk page changes, for the display +-- of the "you have new messages" box +-- +CREATE TABLE /*_*/user_newtalk ( + -- Key to user.user_id + user_id int unsigned NOT NULL default 0, + -- If the user is an anonymous user their IP address is stored here + -- since the user_id of 0 is ambiguous + user_ip varbinary(40) NOT NULL default '', + -- The highest timestamp of revisions of the talk page viewed + -- by this user + user_last_timestamp varbinary(14) NULL default NULL +) /*$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 unsigned NOT NULL, + + -- Name of the option being saved. This is indexed for bulk lookup. + up_property varbinary(255) NOT NULL, + + -- Property value as a string. + up_value blob, + PRIMARY KEY (up_user,up_property) +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/user_properties_property ON /*_*/user_properties (up_property); + +-- +-- This table contains a user's bot passwords: passwords that allow access to +-- the account via the API with limited rights. +-- +CREATE TABLE /*_*/bot_passwords ( + -- User ID obtained from CentralIdLookup. + bp_user int unsigned NOT NULL, + + -- Application identifier + bp_app_id varbinary(32) NOT NULL, + + -- Password hashes, like user.user_password + bp_password tinyblob NOT NULL, + + -- Like user.user_token + bp_token binary(32) NOT NULL default '', + + -- JSON blob for MWRestrictions + bp_restrictions blob NOT NULL, + + -- Grants allowed to the account when authenticated with this bot-password + bp_grants blob NOT NULL, + + PRIMARY KEY ( bp_user, bp_app_id ) +) /*$wgDBTableOptions*/; + +-- +-- Core of the wiki: each page has an entry here which identifies +-- it by title and contains some essential metadata. +-- +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 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 includes/Defines.php + page_namespace int NOT NULL, + + -- The rest of the title, as text. + -- Spaces are transformed into underscores in title storage. + page_title varchar(255) binary NOT NULL, + + -- Comma-separated set of permission keys indicating who + -- can move or edit the page. + page_restrictions tinyblob NOT NULL, + + -- 1 indicates the article is a redirect. + 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 unsigned NOT NULL default 0, + + -- Random value between 0 and 1, used for Special:Randompage + page_random real unsigned NOT NULL, + + -- This timestamp is updated whenever the page changes in + -- a way requiring it to be re-rendered, invalidating caches. + -- Aside from editing this includes permission changes, + -- creation or deletion of linked pages, and alteration + -- of contained templates. + page_touched binary(14) NOT NULL default '', + + -- This timestamp is updated whenever a page is re-parsed and + -- it has all the link tracking tables updated for it. This is + -- useful for de-duplicating expensive backlink update jobs. + page_links_updated varbinary(14) NULL default NULL, + + -- 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 unsigned NOT NULL, + + -- Uncompressed length in bytes of the page's current source text. + page_len int unsigned NOT NULL, + + -- content model, see CONTENT_MODEL_XXX constants + page_content_model varbinary(32) DEFAULT NULL, + + -- Page content language + page_lang varbinary(35) DEFAULT NULL +) /*$wgDBTableOptions*/; + +-- The title index. Care must be taken to always specify a namespace when +-- by title, so that the index is used. Even listing all known namespaces +-- with IN() is better than omitting page_namespace from the WHERE clause. +CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title); + +-- The index for Special:Random +CREATE INDEX /*i*/page_random ON /*_*/page (page_random); + +-- Questionable utility, used by ProofreadPage, possibly DynamicPageList. +-- ApiQueryAllPages unconditionally filters on namespace and so hopefully does +-- not use it. +CREATE INDEX /*i*/page_len ON /*_*/page (page_len); + +-- The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles() +-- in 'comma' counting mode, MessageCache::loadFromDB(). +CREATE INDEX /*i*/page_redirect_namespace_len ON /*_*/page (page_is_redirect, page_namespace, page_len); + +-- +-- 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 /*_*/revision ( + -- Unique ID to identify each revision + rev_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Key to page_id. This should _never_ be invalid. + 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. + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id + -- exist, this field should be ignored (and may be 0) in favor of the + -- corresponding data from the slots and content tables + rev_text_id int unsigned NOT NULL default 0, + + -- Text comment summarizing the change. Deprecated in favor of + -- revision_comment_temp.revcomment_comment_id. + rev_comment varbinary(767) NOT NULL default '', + + -- Key to user.user_id of the user who made this edit. + -- Stores 0 for anonymous edits and for some mass imports. + -- Deprecated in favor of revision_actor_temp.revactor_actor. + rev_user int unsigned NOT NULL default 0, + + -- Text username or IP address of the editor. + -- Deprecated in favor of revision_actor_temp.revactor_actor. + rev_user_text varchar(255) binary NOT NULL default '', + + -- Timestamp of when revision was created + 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 unsigned NOT NULL default 0, + + -- Restrictions on who can access this revision + rev_deleted tinyint unsigned NOT NULL default 0, + + -- 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, + + -- SHA-1 text content hash in base-36 + rev_sha1 varbinary(32) NOT NULL default '', + + -- content model, see CONTENT_MODEL_XXX constants + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id + -- exist, this field should be ignored (and may be NULL) in favor of the + -- corresponding data from the slots and content tables + rev_content_model varbinary(32) DEFAULT NULL, + + -- content format, see CONTENT_FORMAT_XXX constants + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id + -- exist, this field should be ignored (and may be NULL). + rev_content_format varbinary(64) DEFAULT NULL + +) /*$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 + +-- The index is proposed for removal, do not use it in new code: T163532. +-- Used for ordering revisions within a page by rev_id, which is usually +-- incorrect, since rev_timestamp is normally the correct order. It can also +-- be used by dumpBackup.php, if a page and rev_id range is specified. +CREATE INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id); + +-- Used by ApiQueryAllRevisions +CREATE INDEX /*i*/rev_timestamp ON /*_*/revision (rev_timestamp); + +-- History index +CREATE INDEX /*i*/page_timestamp ON /*_*/revision (rev_page,rev_timestamp); + +-- Logged-in user contributions index +CREATE INDEX /*i*/user_timestamp ON /*_*/revision (rev_user,rev_timestamp); + +-- Anonymous user countributions index +CREATE INDEX /*i*/usertext_timestamp ON /*_*/revision (rev_user_text,rev_timestamp); + +-- Credits index. This is scanned in order to compile credits lists for pages, +-- in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified +-- and is a logged-in user. +CREATE INDEX /*i*/page_user_timestamp ON /*_*/revision (rev_page,rev_user,rev_timestamp); + +-- +-- Temporary table to avoid blocking on an alter of revision. +-- +-- On large wikis like the English Wikipedia, altering the revision table is a +-- months-long process. This table is being created to avoid such an alter, and +-- will be merged back into revision in the future. +-- +CREATE TABLE /*_*/revision_comment_temp ( + -- Key to rev_id + revcomment_rev int unsigned NOT NULL, + -- Key to comment_id + revcomment_comment_id bigint unsigned NOT NULL, + PRIMARY KEY (revcomment_rev, revcomment_comment_id) +) /*$wgDBTableOptions*/; +-- Ensure uniqueness +CREATE UNIQUE INDEX /*i*/revcomment_rev ON /*_*/revision_comment_temp (revcomment_rev); + +-- +-- Temporary table to avoid blocking on an alter of revision. +-- +-- On large wikis like the English Wikipedia, altering the revision table is a +-- months-long process. This table is being created to avoid such an alter, and +-- will be merged back into revision in the future. +-- +CREATE TABLE /*_*/revision_actor_temp ( + -- Key to rev_id + revactor_rev int unsigned NOT NULL, + -- Key to actor_id + revactor_actor bigint unsigned NOT NULL, + -- Copy fields from revision for indexes + revactor_timestamp binary(14) NOT NULL default '', + revactor_page int unsigned NOT NULL, + PRIMARY KEY (revactor_rev, revactor_actor) +) /*$wgDBTableOptions*/; +-- Ensure uniqueness +CREATE UNIQUE INDEX /*i*/revactor_rev ON /*_*/revision_actor_temp (revactor_rev); +-- Match future indexes on revision +CREATE INDEX /*i*/actor_timestamp ON /*_*/revision_actor_temp (revactor_actor,revactor_timestamp); +CREATE INDEX /*i*/page_actor_timestamp ON /*_*/revision_actor_temp (revactor_page,revactor_actor,revactor_timestamp); + +-- +-- Every time an edit by a logged out user is saved, +-- a row is created in ip_changes. This stores +-- the IP as a hex representation so that we can more +-- easily find edits within an IP range. +-- +CREATE TABLE /*_*/ip_changes ( + -- Foreign key to the revision table, also serves as the unique primary key + ipc_rev_id int unsigned NOT NULL PRIMARY KEY DEFAULT '0', + + -- The timestamp of the revision + ipc_rev_timestamp binary(14) NOT NULL DEFAULT '', + + -- Hex representation of the IP address, as returned by IP::toHex() + -- For IPv4 it will resemble: ABCD1234 + -- For IPv6: v6-ABCD1234000000000000000000000000 + -- BETWEEN is then used to identify revisions within a given range + ipc_hex varbinary(35) NOT NULL DEFAULT '' + +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/ipc_rev_timestamp ON /*_*/ip_changes (ipc_rev_timestamp); +CREATE INDEX /*i*/ipc_hex_time ON /*_*/ip_changes (ipc_hex,ipc_rev_timestamp); + +-- +-- Holds text of individual page revisions. +-- +-- Field names are a holdover from the 'old' revisions table in +-- MediaWiki 1.4 and earlier: an upgrade will transform that +-- table into the 'text' table to minimize unnecessary churning +-- and downtime. If upgrading, the other fields will be left unused. +-- +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. + -- + -- 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, + + -- Comma-separated list of flags: + -- gzip: text is compressed with PHP's gzdeflate() function. + -- utf-8: text was stored as UTF-8. + -- If $wgLegacyEncoding option is on, rows *without* this flag + -- will be converted to UTF-8 transparently at load time. Note + -- that due to a bug in a maintenance script, this flag may + -- have been stored as 'utf8' in some cases (T18841). + -- object: text field contained a serialized PHP object. + -- The object either contains multiple versions compressed + -- together to achieve a better compression ratio, or it refers + -- to another row where the text can be found. + -- external: text was stored in an external location specified by old_text. + -- Any additional flags apply to the data stored at that URL, not + -- the URL itself. The 'object' flag is *not* set for URLs of the + -- form 'DB://cluster/id/itemid', because the external storage + -- system itself decompresses these. + old_flags tinyblob NOT NULL +) /*$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 + + +-- +-- Edits, blocks, and other actions typically have a textual comment describing +-- the action. They are stored here to reduce the size of the main tables, and +-- to allow for deduplication. +-- +-- Deduplication is currently best-effort to avoid locking on inserts that +-- would be required for strict deduplication. There MAY be multiple rows with +-- the same comment_text and comment_data. +-- +CREATE TABLE /*_*/comment ( + -- Unique ID to identify each comment + comment_id bigint unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Hash of comment_text and comment_data, for deduplication + comment_hash INT 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 by Linker::formatComment() + -- Size limits are enforced at the application level, and should + -- take care to crop UTF-8 strings appropriately. + comment_text BLOB NOT NULL, + + -- JSON data, intended for localizing auto-generated comments. + -- This holds structured data that is intended to be used to provide + -- localized versions of automatically-generated comments. When not empty, + -- comment_text should be the generated comment localized using the wiki's + -- content language. + comment_data BLOB +) /*$wgDBTableOptions*/; +-- Index used for deduplication. +CREATE INDEX /*i*/comment_hash ON /*_*/comment (comment_hash); + + +-- +-- Archive area for deleted pages and their revisions. +-- These may be viewed (and restored) by admins through the Special:Undelete interface. +-- +CREATE TABLE /*_*/archive ( + -- Primary key + ar_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Copied from page_namespace + ar_namespace int NOT NULL default 0, + -- Copied from page_title + ar_title varchar(255) binary NOT NULL default '', + + -- Basic revision stuff... + ar_comment varbinary(767) NOT NULL default '', -- Deprecated in favor of ar_comment_id + ar_comment_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ar_comment should be used) + ar_user int unsigned NOT NULL default 0, -- Deprecated in favor of ar_actor + ar_user_text varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of ar_actor + ar_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ar_user/ar_user_text should be used) + ar_timestamp binary(14) NOT NULL default '', + ar_minor_edit tinyint NOT NULL default 0, + + -- Copied from rev_id. + -- + -- @since 1.5 Entries from 1.4 will be NULL here. When restoring + -- archive rows from before 1.5, a new rev_id is created. + ar_rev_id int unsigned NOT NULL, + + -- Copied from rev_text_id, references text.old_id. + -- To avoid breaking the block-compression scheme and otherwise making + -- storage changes harder, the actual text is *not* deleted from the + -- text storage. Instead, it is merely hidden from public view, by removal + -- of the page and revision entries. + -- + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id + -- exist, this field should be ignored (and may be 0) in favor of the + -- corresponding data from the slots and content tables + ar_text_id int unsigned NOT NULL DEFAULT 0, + + -- Copied from rev_deleted. Although this may be raised during deletion. + -- Users with the "suppressrevision" right may "archive" and "suppress" + -- content in a single action. + -- @since 1.10 + ar_deleted tinyint unsigned NOT NULL default 0, + + -- Copied from rev_len, length of this revision in bytes. + -- @since 1.10 + ar_len int unsigned, + + -- Copied from page_id. Restoration will attempt to use this as page ID if + -- no current page with the same name exists. Otherwise, the revisions will + -- be restored under the current page. Can be used for manual undeletion by + -- developers if multiple pages by the same name were archived. + -- + -- @since 1.11 Older entries will have NULL. + ar_page_id int unsigned, + + -- Copied from rev_parent_id. + -- @since 1.13 + ar_parent_id int unsigned default NULL, + + -- Copied from rev_sha1, SHA-1 text content hash in base-36 + -- @since 1.19 + ar_sha1 varbinary(32) NOT NULL default '', + + -- Copied from rev_content_model, see CONTENT_MODEL_XXX constants + -- @since 1.21 + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id + -- exist, this field should be ignored (and may be NULL) in favor of the + -- corresponding data from the slots and content tables + ar_content_model varbinary(32) DEFAULT NULL, + + -- Copied from rev_content_format, see CONTENT_FORMAT_XXX constants + -- @since 1.21 + -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id + -- exist, this field should be ignored (and may be NULL). + ar_content_format varbinary(64) DEFAULT NULL +) /*$wgDBTableOptions*/; + +-- Index for Special:Undelete to page through deleted revisions +CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp); + +-- Index for Special:DeletedContributions +CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp); +CREATE INDEX /*i*/ar_actor_timestamp ON /*_*/archive (ar_actor,ar_timestamp); + +-- Index for linking archive rows with tables that normally link with revision +-- rows, such as change_tag. +CREATE INDEX /*i*/ar_revid ON /*_*/archive (ar_rev_id); + +-- +-- Slots represent an n:m relation between revisions and content objects. +-- A content object can have a specific "role" in one or more revisions. +-- Each revision can have multiple content objects, each having a different role. +-- +CREATE TABLE /*_*/slots ( + + -- reference to rev_id or ar_rev_id + slot_revision_id bigint unsigned NOT NULL, + + -- reference to role_id + slot_role_id smallint unsigned NOT NULL, + + -- reference to content_id + slot_content_id bigint unsigned NOT NULL, + + -- The revision ID of the revision that originated the slot's content. + -- To find revisions that changed slots, look for slot_origin = slot_revision_id. + slot_origin bigint unsigned NOT NULL, + + PRIMARY KEY ( slot_revision_id, slot_role_id ) +) /*$wgDBTableOptions*/; + +-- Index for finding revisions that modified a specific slot +CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id); + +-- +-- The content table represents content objects. It's primary purpose is to provide the necessary +-- meta-data for loading and interpreting a serialized data blob to create a content object. +-- +CREATE TABLE /*_*/content ( + + -- ID of the content object + content_id bigint unsigned PRIMARY KEY AUTO_INCREMENT, + + -- Nominal size of the content object (not necessarily of the serialized blob) + content_size int unsigned NOT NULL, + + -- Nominal hash of the content object (not necessarily of the serialized blob) + content_sha1 varbinary(32) NOT NULL, + + -- reference to model_id. Note the content format isn't specified; it should + -- be assumed to be in the default format for the model unless auto-detected + -- otherwise. + content_model smallint unsigned NOT NULL, + + -- URL-like address of the content blob + content_address varbinary(255) NOT NULL +) /*$wgDBTableOptions*/; + +-- +-- Normalization table for role names +-- +CREATE TABLE /*_*/slot_roles ( + role_id smallint PRIMARY KEY AUTO_INCREMENT, + role_name varbinary(64) NOT NULL +) /*$wgDBTableOptions*/; + +-- Index for looking of the internal ID of for a name +CREATE UNIQUE INDEX /*i*/role_name ON /*_*/slot_roles (role_name); + +-- +-- Normalization table for content model names +-- +CREATE TABLE /*_*/content_models ( + model_id smallint PRIMARY KEY AUTO_INCREMENT, + model_name varbinary(64) NOT NULL +) /*$wgDBTableOptions*/; + +-- Index for looking of the internal ID of for a name +CREATE UNIQUE INDEX /*i*/model_name ON /*_*/content_models (model_name); + +-- +-- Track page-to-page hyperlinks within the wiki. +-- +CREATE TABLE /*_*/pagelinks ( + -- Key to the page_id of the page containing the link. + pl_from int unsigned NOT NULL default 0, + -- Namespace for this page + pl_from_namespace int 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 '', + PRIMARY KEY (pl_from,pl_namespace,pl_title) +) /*$wgDBTableOptions*/; + +-- Reverse index, for Special:Whatlinkshere +CREATE INDEX /*i*/pl_namespace ON /*_*/pagelinks (pl_namespace,pl_title,pl_from); + +-- Index for Special:Whatlinkshere with namespace filter +CREATE INDEX /*i*/pl_backlinks_namespace ON /*_*/pagelinks (pl_from_namespace,pl_namespace,pl_title,pl_from); + + +-- +-- Track template inclusions. +-- +CREATE TABLE /*_*/templatelinks ( + -- Key to the page_id of the page containing the link. + tl_from int unsigned NOT NULL default 0, + -- Namespace for this page + tl_from_namespace int NOT NULL default 0, + + -- Key to page_namespace/page_title of the target page. + -- The target page may or may not exist, and due to renames + -- and deletions may refer to different page records as time + -- goes by. + tl_namespace int NOT NULL default 0, + tl_title varchar(255) binary NOT NULL default '', + PRIMARY KEY (tl_from,tl_namespace,tl_title) +) /*$wgDBTableOptions*/; + +-- Reverse index, for Special:Whatlinkshere +CREATE INDEX /*i*/tl_namespace ON /*_*/templatelinks (tl_namespace,tl_title,tl_from); + +-- Index for Special:Whatlinkshere with namespace filter +CREATE INDEX /*i*/tl_backlinks_namespace ON /*_*/templatelinks (tl_from_namespace,tl_namespace,tl_title,tl_from); + + +-- +-- Track links to images *used inline* +-- We don't distinguish live from broken links here, so +-- they do not need to be changed on upload/removal. +-- +CREATE TABLE /*_*/imagelinks ( + -- Key to page_id of the page containing the image / media link. + il_from int unsigned NOT NULL default 0, + -- Namespace for this page + il_from_namespace int 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_FILE). + il_to varchar(255) binary NOT NULL default '', + PRIMARY KEY (il_from,il_to) +) /*$wgDBTableOptions*/; + +-- Reverse index, for Special:Whatlinkshere and file description page local usage +CREATE INDEX /*i*/il_to ON /*_*/imagelinks (il_to,il_from); + +-- Index for Special:Whatlinkshere with namespace filter +CREATE INDEX /*i*/il_backlinks_namespace ON /*_*/imagelinks (il_from_namespace,il_to,il_from); + + +-- +-- Track category inclusions *used inline* +-- This tracks a single level of category membership +-- +CREATE TABLE /*_*/categorylinks ( + -- Key to page_id of the page defined as a category member. + cl_from int unsigned NOT NULL default 0, + + -- Name of the category. + -- This is also the page_title of the category's description page; + -- all such pages are in namespace 14 (NS_CATEGORY). + cl_to varchar(255) binary NOT NULL default '', + + -- A binary string obtained by applying a sortkey generation algorithm + -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n" + -- . page_title if cl_sortkey_prefix is nonempty. + cl_sortkey varbinary(230) NOT NULL default '', + + -- A prefix for the raw sortkey manually specified by the user, either via + -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's + -- concatenated with a line break followed by the page title before the sortkey + -- conversion algorithm is run. We store this so that we can update + -- collations without reparsing all pages. + -- Note: If you change the length of this field, you also need to change + -- code in LinksUpdate.php. See T27254. + cl_sortkey_prefix varchar(255) 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, + + -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This + -- can be used to install new collation versions, tracking which rows are not + -- yet updated. '' means no collation, this is a legacy row that needs to be + -- updated by updateCollation.php. In the future, it might be possible to + -- specify different collations per category. + cl_collation varbinary(32) NOT NULL default '', + + -- Stores whether cl_from is a category, file, or other page, so we can + -- paginate the three categories separately. This never has to be updated + -- after the page is created, since none of these page types can be moved to + -- any other. + cl_type ENUM('page', 'subcat', 'file') NOT NULL default 'page', + PRIMARY KEY (cl_from,cl_to) +) /*$wgDBTableOptions*/; + + +-- We always sort within a given category, and within a given type. FIXME: +-- Formerly this index didn't cover cl_type (since that didn't exist), so old +-- callers won't be using an index: fix this? +CREATE INDEX /*i*/cl_sortkey ON /*_*/categorylinks (cl_to,cl_type,cl_sortkey,cl_from); + +-- Used by the API (and some extensions) +CREATE INDEX /*i*/cl_timestamp ON /*_*/categorylinks (cl_to,cl_timestamp); + +-- Used when updating collation (e.g. updateCollation.php) +CREATE INDEX /*i*/cl_collation_ext ON /*_*/categorylinks (cl_collation, cl_to, cl_type, cl_from); + +-- +-- Track all existing categories. Something is a category if 1) it has an entry +-- somewhere in categorylinks, or 2) it has a description page. 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 +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/cat_title ON /*_*/category (cat_title); + +-- For Special:Mostlinkedcategories +CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages); + + +-- +-- Track links to external URLs +-- +CREATE TABLE /*_*/externallinks ( + -- Primary key + el_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- page_id of the referring page + el_from int unsigned NOT NULL default 0, + + -- The URL + el_to blob NOT NULL, + + -- In the case of HTTP URLs, this is the URL with any username or password + -- removed, and with the labels in the hostname reversed and converted to + -- lower case. An extra dot is added to allow for matching of either + -- example.com or *.example.com in a single scan. + -- Example: + -- http://user:password@sub.example.com/page.html + -- becomes + -- http://com.example.sub./page.html + -- which allows for fast searching for all pages under example.com with the + -- clause: + -- WHERE el_index LIKE 'http://com.example.%' + el_index blob NOT NULL, + + -- This is el_index truncated to 60 bytes to allow for sortable queries that + -- aren't supported by a partial index. + -- @todo Drop the default once this is deployed everywhere and code is populating it. + el_index_60 varbinary(60) NOT NULL default '' +) /*$wgDBTableOptions*/; + +-- Forward index, for page edit, save +CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from, el_to(40)); + +-- Index for Special:LinkSearch exact search +CREATE INDEX /*i*/el_to ON /*_*/externallinks (el_to(60), el_from); + +-- For Special:LinkSearch wildcard search +CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index(60)); + +-- For Special:LinkSearch wildcard search with efficient paging by el_id +CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id); +CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id); + +-- +-- Track interlanguage links +-- +CREATE TABLE /*_*/langlinks ( + -- page_id of the referring page + ll_from int unsigned NOT NULL default 0, + + -- 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 '', + PRIMARY KEY (ll_from,ll_lang) +) /*$wgDBTableOptions*/; + +-- Index for ApiQueryLangbacklinks +CREATE INDEX /*i*/ll_lang ON /*_*/langlinks (ll_lang, ll_title); + + +-- +-- Track inline interwiki links +-- +CREATE TABLE /*_*/iwlinks ( + -- page_id of the referring page + iwl_from int unsigned NOT NULL default 0, + + -- Interwiki prefix code of the target + iwl_prefix varbinary(20) NOT NULL default '', + + -- Title of the target, including namespace + iwl_title varchar(255) binary NOT NULL default '', + PRIMARY KEY (iwl_from,iwl_prefix,iwl_title) +) /*$wgDBTableOptions*/; + +-- Index for ApiQueryIWBacklinks +CREATE INDEX /*i*/iwl_prefix_title_from ON /*_*/iwlinks (iwl_prefix, iwl_title, iwl_from); + +-- Index for ApiQueryIWLinks +CREATE INDEX /*i*/iwl_prefix_from_title ON /*_*/iwlinks (iwl_prefix, iwl_from, iwl_title); + + +-- +-- Contains a single row with some aggregate info +-- on the state of the site. +-- +CREATE TABLE /*_*/site_stats ( + -- The single row should contain 1 here. + ss_row_id int unsigned NOT NULL PRIMARY KEY, + + -- Total number of edits performed. + ss_total_edits bigint unsigned default NULL, + + -- See SiteStatsInit::articles(). + ss_good_articles bigint unsigned default NULL, + + -- Total pages, theoretically equal to SELECT COUNT(*) FROM page. + ss_total_pages bigint unsigned default NULL, + + -- Number of users, theoretically equal to SELECT COUNT(*) FROM user. + ss_users bigint unsigned default NULL, + + -- Number of users that still edit. + ss_active_users bigint unsigned default NULL, + + -- Number of images, equivalent to SELECT COUNT(*) FROM image. + ss_images bigint unsigned default NULL +) /*$wgDBTableOptions*/; + +-- +-- The internet is full of jerks, alas. Sometimes it's handy +-- to block a vandal or troll account. +-- +CREATE TABLE /*_*/ipblocks ( + -- Primary key, introduced for privacy. + ipb_id int NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Blocked IP address in dotted-quad form or user name. + ipb_address tinyblob NOT NULL, + + -- Blocked user ID or 0 for IP blocks. + ipb_user int unsigned NOT NULL default 0, + + -- User ID who made the block. + ipb_by int unsigned NOT NULL default 0, -- Deprecated in favor of ipb_by_actor + + -- User name of blocker + ipb_by_text varchar(255) binary NOT NULL default '', -- Deprecated in favor of ipb_by_actor + + -- Actor who made the block. + ipb_by_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ipb_by/ipb_by_text should be used) + + -- Text comment made by blocker. Deprecated in favor of ipb_reason_id + ipb_reason varbinary(767) NOT NULL default '', + + -- Key to comment_id. Text comment made by blocker. + -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used) + ipb_reason_id bigint unsigned NOT NULL DEFAULT 0, + + -- Creation (or refresh) date in standard YMDHMS form. + -- IP blocks expire automatically. + 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 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. + -- May be "infinity" + ipb_expiry varbinary(14) NOT NULL default '', + + -- Start and end of an address range, in hexadecimal + -- Size chosen to allow IPv6 + -- FIXME: these fields were originally blank for single-IP blocks, + -- but now they are populated. No migration was ever done. They + -- should be fixed to be blank again for such blocks (T51504). + ipb_range_start tinyblob NOT NULL, + ipb_range_end tinyblob NOT NULL, + + -- Flag for entries hidden from users and Sysops + ipb_deleted bool NOT NULL default 0, + + -- 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, + + -- ID of the block that caused this block to exist + -- Autoblocks set this to the original block + -- so that the original block being deleted also + -- deletes the autoblocks + ipb_parent_block_id int default NULL + +) /*$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); + +-- For querying whether a logged-in user is blocked +CREATE INDEX /*i*/ipb_user ON /*_*/ipblocks (ipb_user); + +-- For querying whether an IP address is in any range +CREATE INDEX /*i*/ipb_range ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8)); + +-- Index for Special:BlockList +CREATE INDEX /*i*/ipb_timestamp ON /*_*/ipblocks (ipb_timestamp); + +-- Index for table pruning +CREATE INDEX /*i*/ipb_expiry ON /*_*/ipblocks (ipb_expiry); + +-- Index for removing autoblocks when a parent block is removed +CREATE INDEX /*i*/ipb_parent_block_id ON /*_*/ipblocks (ipb_parent_block_id); + + +-- +-- Uploaded images and other files. +-- +CREATE TABLE /*_*/image ( + -- Filename. + -- This is also the title of the associated description page, + -- 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 unsigned NOT NULL default 0, + + -- For images, size in pixels. + 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 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", "3D") default NULL, + + -- major part of a MIME media type as defined by IANA + -- see https://www.iana.org/assignments/media-types/ + -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS + img_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown", + + -- minor part of a MIME media type as defined by IANA + -- the minor parts are not required to adher to any standard + -- but should be consistent throughout the database + -- see https://www.iana.org/assignments/media-types/ + 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. + -- Deprecated in favor of img_description_id. + img_description varbinary(767) NOT NULL default '', + + img_description_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that img_description should be used) + + -- user_id and user_name of uploader. + -- Deprecated in favor of img_actor. + img_user int unsigned NOT NULL default 0, + img_user_text varchar(255) binary NOT NULL DEFAULT '', + + -- actor_id of the uploader. + -- ("DEFAULT 0" is temporary, signaling that img_user/img_user_text should be used) + img_actor bigint unsigned NOT NULL DEFAULT 0, + + -- Time of the upload. + img_timestamp varbinary(14) NOT NULL default '', + + -- SHA-1 content hash in base-36 + img_sha1 varbinary(32) NOT NULL default '' +) /*$wgDBTableOptions*/; + +-- Used by Special:Newimages and ApiQueryAllImages +CREATE INDEX /*i*/img_user_timestamp ON /*_*/image (img_user,img_timestamp); +CREATE INDEX /*i*/img_usertext_timestamp ON /*_*/image (img_user_text,img_timestamp); +CREATE INDEX /*i*/img_actor_timestamp ON /*_*/image (img_actor,img_timestamp); +-- Used by Special:ListFiles for sort-by-size +CREATE INDEX /*i*/img_size ON /*_*/image (img_size); +-- Used by Special:Newimages and Special:ListFiles +CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp); +-- Used in API and duplicate search +CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1(10)); +-- Used to get media of one type +CREATE INDEX /*i*/img_media_mime ON /*_*/image (img_media_type,img_major_mime,img_minor_mime); + +-- +-- Temporary table to avoid blocking on an alter of image. +-- +-- On large wikis like Wikimedia Commons, altering the image table is a +-- months-long process. This table is being created to avoid such an alter, and +-- will be merged back into image in the future. +-- +CREATE TABLE /*_*/image_comment_temp ( + -- Key to img_name (ugh) + imgcomment_name varchar(255) binary NOT NULL, + -- Key to comment_id + imgcomment_description_id bigint unsigned NOT NULL, + PRIMARY KEY (imgcomment_name, imgcomment_description_id) +) /*$wgDBTableOptions*/; +-- Ensure uniqueness +CREATE UNIQUE INDEX /*i*/imgcomment_name ON /*_*/image_comment_temp (imgcomment_name); + + +-- +-- Previous revisions of uploaded files. +-- Awkwardly, image rows have to be moved into +-- this table at re-upload time. +-- +CREATE TABLE /*_*/oldimage ( + -- Base filename: key to image.img_name + oi_name varchar(255) binary NOT NULL default '', + + -- Filename of the archived file. + -- This is generally a timestamp and '!' prepended to the base name. + oi_archive_name varchar(255) binary NOT NULL default '', + + -- Other fields as in image... + 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 varbinary(767) NOT NULL default '', -- Deprecated. + oi_description_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_description should be used) + oi_user int unsigned NOT NULL default 0, -- Deprecated in favor of oi_actor + oi_user_text varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of oi_actor + oi_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_user/oi_user_text should be used) + 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", "3D") default NULL, + oi_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") 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_actor_timestamp ON /*_*/oldimage (oi_actor,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(10)); + + +-- +-- 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 varbinary(767) default '', -- Deprecated + fa_deleted_reason_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_deleted_reason should be used) + + -- 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", "3D") default NULL, + fa_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown", + fa_minor_mime varbinary(100) default "unknown", + fa_description varbinary(767) default '', -- Deprecated + fa_description_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_description should be used) + fa_user int unsigned default 0, -- Deprecated in favor of fa_actor + fa_user_text varchar(255) binary DEFAULT '', -- Deprecated in favor of fa_actor + fa_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_user/fa_user_text should be used) + fa_timestamp binary(14) default '', + + -- Visibility of deleted revisions, bitfield + fa_deleted tinyint unsigned NOT NULL default 0, + + -- sha1 hash of file content + fa_sha1 varbinary(32) NOT NULL default '' +) /*$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); +CREATE INDEX /*i*/fa_actor_timestamp ON /*_*/filearchive (fa_actor,fa_timestamp); +-- find file by sha1, 10 bytes will be enough for hashes to be indexed +CREATE INDEX /*i*/fa_sha1 ON /*_*/filearchive (fa_sha1(10)); + + +-- +-- Store information about newly uploaded files before they're +-- moved into the actual filestore +-- +CREATE TABLE /*_*/uploadstash ( + us_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- the user who uploaded the file. + us_user int unsigned NOT NULL, + + -- file key. this is how applications actually search for the file. + -- this might go away, or become the primary key. + us_key varchar(255) NOT NULL, + + -- the original path + us_orig_path varchar(255) NOT NULL, + + -- the temporary path at which the file is actually stored + us_path varchar(255) NOT NULL, + + -- which type of upload the file came from (sometimes) + us_source_type varchar(50), + + -- the date/time on which the file was added + us_timestamp varbinary(14) NOT NULL, + + us_status varchar(50) NOT NULL, + + -- chunk counter starts at 0, current offset is stored in us_size + us_chunk_inx int unsigned NULL, + + -- Serialized file properties from FSFile::getProps() + us_props blob, + + -- file size in bytes + us_size int unsigned NOT NULL, + -- this hash comes from FSFile::getSha1Base36(), and is 31 characters + us_sha1 varchar(31) NOT NULL, + us_mime varchar(255), + -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table + us_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL, + -- image-specific properties + us_image_width int unsigned, + us_image_height int unsigned, + us_image_bits smallint unsigned + +) /*$wgDBTableOptions*/; + +-- sometimes there's a delete for all of a user's stuff. +CREATE INDEX /*i*/us_user ON /*_*/uploadstash (us_user); +-- pick out files by key, enforce key uniqueness +CREATE UNIQUE INDEX /*i*/us_key ON /*_*/uploadstash (us_key); +-- the abandoned upload cleanup script needs this +CREATE INDEX /*i*/us_timestamp ON /*_*/uploadstash (us_timestamp); + + +-- +-- Primarily a summary table for Special:Recentchanges, +-- this table contains some additional info on edits from +-- the last few days, see Article::editUpdates() +-- +CREATE TABLE /*_*/recentchanges ( + rc_id int NOT NULL PRIMARY KEY AUTO_INCREMENT, + rc_timestamp varbinary(14) NOT NULL default '', + + -- As in revision + rc_user int unsigned NOT NULL default 0, -- Deprecated in favor of rc_actor + rc_user_text varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of rc_actor + rc_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_user/rc_user_text should be used) + + -- When pages are renamed, their RC entries do _not_ change. + rc_namespace int NOT NULL default 0, + rc_title varchar(255) binary NOT NULL default '', + + -- as in revision... + rc_comment varbinary(767) NOT NULL default '', -- Deprecated. + rc_comment_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_comment should be used) + 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 unsigned NOT NULL default 0, + + -- Set if this change corresponds to a page creation + 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 unsigned NOT NULL default 0, + + -- rev_id of the given revision + rc_this_oldid int unsigned NOT NULL default 0, + + -- rev_id of the prior revision, for generating diff links. + rc_last_oldid int unsigned NOT NULL default 0, + + -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL) + rc_type tinyint unsigned NOT NULL default 0, + + -- The source of the change entry (replaces rc_type) + -- default of '' is temporary, needed for initial migration + rc_source varchar(16) 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 unsigned NOT NULL default 0, + + -- Recorded IP address the edit was made from, if the + -- $wgPutIPinRC option is enabled. + rc_ip varbinary(40) NOT NULL default '', + + -- Text length in characters before + -- and after the edit + rc_old_len int, + rc_new_len int, + + -- Visibility of recent changes items, bitfield + rc_deleted tinyint unsigned NOT NULL default 0, + + -- Value corresponding to log_id, specific log entries + rc_logid int unsigned NOT NULL default 0, + -- Store log type info here, or null + rc_log_type varbinary(255) NULL default NULL, + -- Store log action or null + rc_log_action varbinary(255) NULL default NULL, + -- Log params + rc_params blob NULL +) /*$wgDBTableOptions*/; + +-- Special:Recentchanges +CREATE INDEX /*i*/rc_timestamp ON /*_*/recentchanges (rc_timestamp); + +-- Special:Watchlist +CREATE INDEX /*i*/rc_namespace_title_timestamp ON /*_*/recentchanges (rc_namespace, rc_title, rc_timestamp); + +-- Special:Recentchangeslinked when finding changes in pages linked from a page +CREATE INDEX /*i*/rc_cur_id ON /*_*/recentchanges (rc_cur_id); + +-- Special:Newpages +CREATE INDEX /*i*/new_name_timestamp ON /*_*/recentchanges (rc_new,rc_namespace,rc_timestamp); + +-- Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions, +-- but mostly replaced by CheckUser. +CREATE INDEX /*i*/rc_ip ON /*_*/recentchanges (rc_ip); + +-- Probably intended for Special:NewPages namespace filter +CREATE INDEX /*i*/rc_ns_usertext ON /*_*/recentchanges (rc_namespace, rc_user_text); +CREATE INDEX /*i*/rc_ns_actor ON /*_*/recentchanges (rc_namespace, rc_actor); + +-- SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter +CREATE INDEX /*i*/rc_user_text ON /*_*/recentchanges (rc_user_text, rc_timestamp); +CREATE INDEX /*i*/rc_actor ON /*_*/recentchanges (rc_actor, rc_timestamp); + +-- ApiQueryRecentChanges (T140108) +CREATE INDEX /*i*/rc_name_type_patrolled_timestamp ON /*_*/recentchanges (rc_namespace, rc_type, rc_patrolled, rc_timestamp); + + +CREATE TABLE /*_*/watchlist ( + wl_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + -- Key to user.user_id + wl_user int unsigned NOT NULL, + + -- Key to page_namespace/page_title + -- Note that users may watch pages which do not exist yet, + -- or existed in the past but have been deleted. + wl_namespace int NOT NULL default 0, + wl_title varchar(255) binary NOT NULL default '', + + -- Timestamp used to send notification e-mails and show "updated since last visit" markers on + -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision + -- of the page, which means that they should be sent an e-mail on the next change. + wl_notificationtimestamp varbinary(14) + +) /*$wgDBTableOptions*/; + +-- Special:Watchlist +CREATE UNIQUE INDEX /*i*/wl_user ON /*_*/watchlist (wl_user, wl_namespace, wl_title); + +-- Special:Movepage (WatchedItemStore::duplicateEntry) +CREATE INDEX /*i*/namespace_title ON /*_*/watchlist (wl_namespace, wl_title); + +-- ApiQueryWatchlistRaw changed filter +CREATE INDEX /*i*/wl_user_notificationtimestamp ON /*_*/watchlist (wl_user, wl_notificationtimestamp); + + +-- +-- When using the default MySQL search backend, page titles +-- and text are munged to strip markup, do Unicode case folding, +-- and prepare the result for MySQL's fulltext index. +-- +-- This table must be MyISAM; InnoDB does not support the needed +-- fulltext index. +-- +CREATE TABLE /*_*/searchindex ( + -- Key to page_id + 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 +) ENGINE=MyISAM DEFAULT CHARSET=utf8; + +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); + + +-- +-- Recognized interwiki link prefixes +-- +CREATE TABLE /*_*/interwiki ( + -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de") + iw_prefix varchar(32) NOT NULL, + + -- The URL of the wiki, with "$1" as a placeholder for an article name. + -- Any spaces in the name will be transformed to underscores before + -- insertion. + iw_url blob NOT NULL, + + -- The URL of the file api.php + iw_api blob NOT NULL, + + -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' )) + iw_wikiid varchar(64) NOT NULL, + + -- A boolean value indicating whether the wiki is in this project + -- (used, for example, to detect redirect loops) + iw_local bool NOT NULL, + + -- Boolean value indicating whether interwiki transclusions are allowed. + iw_trans tinyint NOT NULL default 0 +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/iw_prefix ON /*_*/interwiki (iw_prefix); + + +-- +-- Used for caching expensive grouped queries +-- +CREATE TABLE /*_*/querycache ( + -- A key name, generally the base name of of the special page. + qc_type varbinary(32) NOT NULL, + + -- Some sort of stored value. Sizes, counts... + qc_value int unsigned NOT NULL default 0, + + -- Target namespace+title + qc_namespace int NOT NULL default 0, + qc_title varchar(255) binary NOT NULL default '' +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/qc_type ON /*_*/querycache (qc_type,qc_value); + + +-- +-- For a few generic cache operations if not using Memcached +-- +CREATE TABLE /*_*/objectcache ( + keyname varbinary(255) NOT NULL default '' PRIMARY KEY, + value mediumblob, + exptime datetime +) /*$wgDBTableOptions*/; +CREATE INDEX /*i*/exptime ON /*_*/objectcache (exptime); + + +-- +-- Cache of interwiki transclusion +-- +CREATE TABLE /*_*/transcache ( + tc_url varbinary(255) NOT NULL PRIMARY KEY, + tc_contents text, + tc_time binary(14) NOT NULL +) /*$wgDBTableOptions*/; + + +CREATE TABLE /*_*/logging ( + -- Log ID, for referring to this specific log entry, probably for deletion and such. + log_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Symbolic keys for the general log type and the action type + -- within the log. The output format will be controlled by the + -- action field, but only the type controls categorization. + log_type varbinary(32) NOT NULL default '', + log_action varbinary(32) NOT NULL default '', + + -- Timestamp. Duh. + log_timestamp binary(14) NOT NULL default '19700101000000', + + -- The user who performed this action; key to user_id + log_user int unsigned NOT NULL default 0, -- Deprecated in favor of log_actor + + -- Name of the user who performed this action + log_user_text varchar(255) binary NOT NULL default '', -- Deprecated in favor of log_actor + + -- The actor who performed this action + log_actor bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that log_user/log_user_text should be used) + + -- Key to the page affected. Where a user is the target, + -- this will point to the user page. + log_namespace int NOT NULL default 0, + log_title varchar(255) binary NOT NULL default '', + log_page int unsigned NULL, + + -- Freeform text. Interpreted as edit history comments. + -- Deprecated in favor of log_comment_id. + log_comment varbinary(767) NOT NULL default '', + + -- Key to comment_id. Comment summarizing the change. + -- ("DEFAULT 0" is temporary, signaling that log_comment should be used) + log_comment_id bigint unsigned NOT NULL DEFAULT 0, + + -- miscellaneous parameters: + -- LF separated list (old system) or serialized PHP array (new system) + log_params blob NOT NULL, + + -- rev_deleted for logs + log_deleted tinyint unsigned NOT NULL default 0 +) /*$wgDBTableOptions*/; + +-- Special:Log type filter +CREATE INDEX /*i*/type_time ON /*_*/logging (log_type, log_timestamp); + +-- Special:Log performer filter +CREATE INDEX /*i*/user_time ON /*_*/logging (log_user, log_timestamp); +CREATE INDEX /*i*/actor_time ON /*_*/logging (log_actor, log_timestamp); + +-- Special:Log title filter, log extract +CREATE INDEX /*i*/page_time ON /*_*/logging (log_namespace, log_title, log_timestamp); + +-- Special:Log unfiltered +CREATE INDEX /*i*/times ON /*_*/logging (log_timestamp); + +-- Special:Log filter by performer and type +CREATE INDEX /*i*/log_user_type_time ON /*_*/logging (log_user, log_type, log_timestamp); +CREATE INDEX /*i*/log_actor_type_time ON /*_*/logging (log_actor, log_type, log_timestamp); + +-- Apparently just used for a few maintenance pages (findMissingFiles.php, Flow). +-- Could be removed? +CREATE INDEX /*i*/log_page_id_time ON /*_*/logging (log_page,log_timestamp); + +-- Special:Log action filter +CREATE INDEX /*i*/type_action ON /*_*/logging (log_type, log_action, log_timestamp); + +-- Special:Log filter by type and anonymous performer +CREATE INDEX /*i*/log_user_text_type_time ON /*_*/logging (log_user_text, log_type, log_timestamp); + +-- Special:Log filter by anonymous performer +CREATE INDEX /*i*/log_user_text_time ON /*_*/logging (log_user_text, 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, + PRIMARY KEY (ls_field,ls_value,ls_log_id) +) /*$wgDBTableOptions*/; +CREATE INDEX /*i*/ls_log_id ON /*_*/log_search (ls_log_id); + + +-- Jobs performed by parallel apache threads or a command-line daemon +CREATE TABLE /*_*/job ( + job_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Command name + -- Limited to 60 to prevent key length overflow + job_cmd varbinary(60) NOT NULL default '', + + -- Namespace and title to act on + -- Should be 0 and '' if the command does not operate on a title + job_namespace int NOT NULL, + job_title varchar(255) binary NOT NULL, + + -- Timestamp of when the job was inserted + -- NULL for jobs added before addition of the timestamp + job_timestamp varbinary(14) NULL default NULL, + + -- Any other parameters to the command + -- Stored as a PHP serialized array, or an empty string if there are no parameters + job_params blob NOT NULL, + + -- Random, non-unique, number used for job acquisition (for lock concurrency) + job_random integer unsigned NOT NULL default 0, + + -- The number of times this job has been locked + job_attempts integer unsigned NOT NULL default 0, + + -- Field that conveys process locks on rows via process UUIDs + job_token varbinary(32) NOT NULL default '', + + -- Timestamp when the job was locked + job_token_timestamp varbinary(14) NULL default NULL, + + -- Base 36 SHA1 of the job parameters relevant to detecting duplicates + job_sha1 varbinary(32) NOT NULL default '' +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/job_sha1 ON /*_*/job (job_sha1); +CREATE INDEX /*i*/job_cmd_token ON /*_*/job (job_cmd,job_token,job_random); +CREATE INDEX /*i*/job_cmd_token_id ON /*_*/job (job_cmd,job_token,job_id); +CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title, job_params(128)); +CREATE INDEX /*i*/job_timestamp ON /*_*/job (job_timestamp); + + +-- 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 '' PRIMARY KEY, + + -- Timestamp of last update + qci_timestamp binary(14) NOT NULL default '19700101000000' +) /*$wgDBTableOptions*/; + + +-- For each redirect, this table contains exactly one row defining its target +CREATE TABLE /*_*/redirect ( + -- Key to the page_id of the redirect page + rd_from int unsigned NOT NULL default 0 PRIMARY KEY, + + -- Key to page_namespace/page_title of the target page. + -- The target page may or may not exist, and due to renames + -- and deletions may refer to different page records as time + -- goes by. + rd_namespace int NOT NULL default 0, + rd_title varchar(255) binary NOT NULL default '', + rd_interwiki varchar(32) default NULL, + rd_fragment varchar(255) binary default NULL +) /*$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 '' +) /*$wgDBTableOptions*/; + +CREATE INDEX /*i*/qcc_type ON /*_*/querycachetwo (qcc_type,qcc_value); +CREATE INDEX /*i*/qcc_title ON /*_*/querycachetwo (qcc_type,qcc_namespace,qcc_title); +CREATE INDEX /*i*/qcc_titletwo ON /*_*/querycachetwo (qcc_type,qcc_namespacetwo,qcc_titletwo); + + +-- Used for storing page restrictions (i.e. protection levels) +CREATE TABLE /*_*/page_restrictions ( + -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages) + pr_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + -- Page to apply restrictions to (Foreign Key to page). + pr_page int NOT NULL, + -- The protection type (edit, move, etc) + pr_type varbinary(60) NOT NULL, + -- The protection level (Sysop, autoconfirmed, etc) + pr_level varbinary(60) NOT NULL, + -- Whether or not to cascade the protection down to pages transcluded. + pr_cascade tinyint NOT NULL, + -- Field for future support of per-user restriction. + pr_user int unsigned NULL, + -- Field for time-limited protection. + pr_expiry varbinary(14) NULL +) /*$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 varbinary(767) default '', -- Deprecated. + pt_reason_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that pt_reason should be used) + pt_timestamp binary(14) NOT NULL, + pt_expiry varbinary(14) NOT NULL default '', + pt_create_perm varbinary(60) NOT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/pt_namespace_title ON /*_*/protected_titles (pt_namespace,pt_title); +CREATE INDEX /*i*/pt_timestamp ON /*_*/protected_titles (pt_timestamp); + + +-- Name/value pairs indexed by page_id +CREATE TABLE /*_*/page_props ( + pp_page int NOT NULL, + pp_propname varbinary(60) NOT NULL, + pp_value blob NOT NULL, + pp_sortkey float DEFAULT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/pp_page_propname ON /*_*/page_props (pp_page,pp_propname); +CREATE UNIQUE INDEX /*i*/pp_propname_page ON /*_*/page_props (pp_propname,pp_page); +CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page ON /*_*/page_props (pp_propname,pp_sortkey,pp_page); + +-- A table to log updates, one text key row per update. +CREATE TABLE /*_*/updatelog ( + ul_key varchar(255) NOT NULL PRIMARY KEY, + ul_value blob +) /*$wgDBTableOptions*/; + + +-- A table to track tags for revisions, logs and recent changes. +CREATE TABLE /*_*/change_tag ( + ct_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + -- RCID for the change + ct_rc_id int NULL, + -- LOGID for the change + ct_log_id int unsigned NULL, + -- REVID for the change + ct_rev_id int unsigned NULL, + -- Tag applied + ct_tag varchar(255) NOT NULL, + -- Parameters for the tag; used by some extensions + ct_params blob NULL +) /*$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 ( + ts_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + -- RCID for the change + ts_rc_id int NULL, + -- LOGID for the change + ts_log_id int unsigned NULL, + -- REVID for the change + ts_rev_id int unsigned 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, + PRIMARY KEY (lc_lang, lc_key) +) /*$wgDBTableOptions*/; + +-- Table caching which local files a module depends on that aren't +-- registered directly, used for fast retrieval of file dependency. +-- Currently only used for tracking images that CSS depends on +CREATE TABLE /*_*/module_deps ( + -- Module name + md_module varbinary(255) NOT NULL, + -- Module context vary (includes skin and language; called "md_skin" for legacy reasons) + md_skin varbinary(32) NOT NULL, + -- JSON blob with file dependencies + md_deps mediumblob NOT NULL, + PRIMARY KEY (md_module,md_skin) +) /*$wgDBTableOptions*/; + +-- Holds all the sites known to the wiki. +CREATE TABLE /*_*/sites ( + -- Numeric id of the site + site_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Global identifier for the site, ie 'enwiktionary' + site_global_key varbinary(32) NOT NULL, + + -- Type of the site, ie 'mediawiki' + site_type varbinary(32) NOT NULL, + + -- Group of the site, ie 'wikipedia' + site_group varbinary(32) NOT NULL, + + -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo' + site_source varbinary(32) NOT NULL, + + -- Language code of the sites primary language. + site_language varbinary(32) NOT NULL, + + -- Protocol of the site, ie 'http://', 'irc://', '//' + -- This field is an index for lookups and is build from type specific data in site_data. + site_protocol varbinary(32) NOT NULL, + + -- Domain of the site in reverse order, ie 'org.mediawiki.www.' + -- This field is an index for lookups and is build from type specific data in site_data. + site_domain VARCHAR(255) NOT NULL, + + -- Type dependent site data. + site_data BLOB NOT NULL, + + -- If site.tld/path/key:pageTitle should forward users to the page on + -- the actual site, where "key" is the local identifier. + site_forward bool NOT NULL, + + -- Type dependent site config. + -- For instance if template transclusion should be allowed if it's a MediaWiki. + site_config BLOB NOT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/sites_global_key ON /*_*/sites (site_global_key); +CREATE INDEX /*i*/sites_type ON /*_*/sites (site_type); +CREATE INDEX /*i*/sites_group ON /*_*/sites (site_group); +CREATE INDEX /*i*/sites_source ON /*_*/sites (site_source); +CREATE INDEX /*i*/sites_language ON /*_*/sites (site_language); +CREATE INDEX /*i*/sites_protocol ON /*_*/sites (site_protocol); +CREATE INDEX /*i*/sites_domain ON /*_*/sites (site_domain); +CREATE INDEX /*i*/sites_forward ON /*_*/sites (site_forward); + +-- Links local site identifiers to their corresponding site. +CREATE TABLE /*_*/site_identifiers ( + -- Key on site.site_id + si_site INT UNSIGNED NOT NULL, + + -- local key type, ie 'interwiki' or 'langlink' + si_type varbinary(32) NOT NULL, + + -- local key value, ie 'en' or 'wiktionary' + si_key varbinary(32) NOT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/site_ids_type ON /*_*/site_identifiers (si_type, si_key); +CREATE INDEX /*i*/site_ids_site ON /*_*/site_identifiers (si_site); +CREATE INDEX /*i*/site_ids_key ON /*_*/site_identifiers (si_key); + +-- vim: sw=2 sts=2 et |