User:Topbanana/DBNotes
-- The MySQL table backend for MediaWiki currently uses -- 14-character CHAR or VARCHAR fields to store timestamps. -- The format is YYYYMMDDHHMMSS, which is derived from the -- text format of MySQL's TIMESTAMP fields.
maintenance/tables.sql ----
CREATE TABLE /*$wgDBprefix*/user (
user_id int(5) unsigned NOT NULL 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, normally hashed like so:
-- MD5(CONCAT(user_id,'-',MD5(plaintext_password))), see
-- wfEncryptPassword() in GlobalFunctions.php
user_password tinyblob NOT NULL default '',
-- 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 default '',
-- Note: email should be restricted, not public info.
-- Same with passwords.
user_email tinytext NOT NULL default '',
-- Newline-separated list of name=value defining the user
-- preferences
user_options blob NOT NULL default '',
-- 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 '',
-- 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 '',
-- 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,
-- Randomly generated token created when the e-mail address
-- is set and a confirmation test mail sent.
user_email_token CHAR(32) BINARY,
-- Expiration date for the user_email_token
user_email_token_expires CHAR(14) BINARY,
-- Timestamp of account registration.
-- Accounts predating this schema addition may contain NULL.
user_registration CHAR(14) BINARY,
PRIMARY KEY user_id (user_id),
UNIQUE INDEX user_name (user_name),
INDEX (user_email_token)
) TYPE=InnoDB;
--
-- 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 /*$wgDBprefix*/user_groups (
-- Key to user_id
ug_user int(5) 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 $wgGroupPermissions will associate group keys
-- with particular permissions. A user will have the combined
-- permissions of any group they're explicitly in, plus
-- the implicit '*' and 'user' groups.
ug_group char(16) NOT NULL default '',
PRIMARY KEY (ug_user,ug_group),
KEY (ug_group)
) TYPE=InnoDB;
-- Stores notifications of user talk page changes, for the display
-- of the "you have new messages" box
CREATE TABLE /*$wgDBprefix*/user_newtalk (
-- Key to user.user_id
user_id int(5) NOT NULL default '0',
-- If the user is an anonymous user hir IP address is stored here
-- since the user_id of 0 is ambiguous
user_ip varchar(40) NOT NULL default '',
INDEX user_id (user_id),
INDEX user_ip (user_ip)
);
--
-- Core of the wiki: each page has an entry here which identifies
-- it by title and contains some essential metadata.
--
CREATE TABLE /*$wgDBprefix*/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,
-- 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 default '',
-- Number of times this page has been viewed.
page_counter bigint(20) unsigned NOT NULL default '0',
-- 1 indicates the article is a redirect.
page_is_redirect tinyint(1) 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',
-- 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 char(14) binary 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,
-- Uncompressed length in bytes of the page's current source text.
page_len int(8) unsigned NOT NULL,
PRIMARY KEY page_id (page_id),
UNIQUE INDEX name_title (page_namespace,page_title),
-- Special-purpose indexes
INDEX (page_random),
INDEX (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,
-- Key to page_id. This should _never_ be invalid.
rev_page int(8) 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,
-- 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()
rev_comment tinyblob 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.
rev_user int(5) 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 '',
-- 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',
-- Not yet used; reserved for future changes to the deletion system.
rev_deleted tinyint(1) 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)
) TYPE=InnoDB;
--
-- 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 /*$wgDBprefix*/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(8) unsigned NOT NULL 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 '',
-- Comma-separated list of flags:
-- gzip: text is compressed with PHP's gzdeflate() function.
-- utf8: text was stored as UTF-8.
-- If $wgLegacyEncoding option is on, rows *without* this flag
-- will be converted to UTF-8 transparently at load time.
-- object: text field contained a serialized PHP object.
-- The object either contains multiple versions compressed
-- together to achieve a better compression ratio, or it refers
-- to another row where the text can be found.
old_flags tinyblob NOT NULL default '',
PRIMARY KEY old_id (old_id)
) TYPE=InnoDB;
--
-- Holding area for deleted articles, which may be viewed
-- or restored by admins through the Special:Undelete interface.
-- The fields generally correspond to the page, revision, and text
-- fields, with several caveats.
--
CREATE TABLE /*$wgDBprefix*/archive (
ar_namespace int NOT NULL default '0',
ar_title varchar(255) binary NOT NULL default '',
-- Newly deleted pages will not store text in this table,
-- but will reference the separately existing text rows.
-- This field is retained for backwards compatibility,
-- 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 '',
-- Basic revision stuff...
ar_comment tinyblob NOT NULL default '',
ar_user int(5) 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',
-- See ar_text note.
ar_flags tinyblob NOT NULL default '',
-- When revisions are deleted, their unique rev_id is stored
-- here so it can be retained after undeletion. This is necessary
-- to retain permalinks to given revisions after accidental delete
-- cycles or messy operations like history merges.
--
-- 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,
-- For newly deleted revisions, this is the text.old_id key to the
-- actual stored text. To avoid breaking the block-compression scheme
-- and otherwise making storage changes harder, the actual text is
-- *not* deleted from the text table, merely hidden by removal of the
-- page and revision entries.
--
-- 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,
KEY name_title_timestamp (ar_namespace,ar_title,ar_timestamp)
) TYPE=InnoDB;
--
-- Track page-to-page hyperlinks within the wiki.
--
CREATE TABLE /*$wgDBprefix*/pagelinks (
-- Key to the page_id of the page containing the link.
pl_from int(8) unsigned NOT NULL default '0',
-- Key to page_namespace/page_title of the target page.
-- The target page may or may not exist, and due to renames
-- and deletions may refer to different page records as time
-- goes by.
pl_namespace int NOT NULL default '0',
pl_title varchar(255) binary NOT NULL default '',
UNIQUE KEY pl_from(pl_from,pl_namespace,pl_title),
KEY (pl_namespace,pl_title)
) TYPE=InnoDB;
--
-- Track template inclusions.
--
CREATE TABLE /*$wgDBprefix*/templatelinks (
-- Key to the page_id of the page containing the link.
tl_from int(8) 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.
tl_namespace int NOT NULL default '0',
tl_title varchar(255) binary NOT NULL default '',
UNIQUE KEY tl_from(tl_from,tl_namespace,tl_title),
KEY (tl_namespace,tl_title)
) TYPE=InnoDB;
--
-- 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 /*$wgDBprefix*/imagelinks (
-- Key to page_id of the page containing the image / media link.
il_from int(8) unsigned NOT NULL default '0',
-- Filename of target image.
-- This is also the page_title of the file's description page;
-- all such pages are in namespace 6 (NS_IMAGE).
il_to varchar(255) binary NOT NULL default '',
UNIQUE KEY il_from(il_from,il_to),
KEY (il_to)
) TYPE=InnoDB;
--
-- Track category inclusions *used inline*
-- This tracks a single level of category membership
-- (folksonomic tagging, really).
--
CREATE TABLE /*$wgDBprefix*/categorylinks (
-- Key to page_id of the page defined as a category member.
cl_from int(8) 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 '',
-- 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... 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 '',
-- 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),
-- Not really used?
KEY cl_timestamp(cl_to,cl_timestamp)
) TYPE=InnoDB;
--
-- Track links to external URLs
--
CREATE TABLE /*$wgDBprefix*/externallinks (
-- page_id of the referring page
el_from int(8) unsigned NOT NULL default '0',
-- The URL
el_to blob NOT NULL default '',
-- In the case of HTTP URLs, this is the URL with any username or password
-- removed, and with the labels in the hostname reversed and converted to
-- lower case. An extra dot is added to allow for matching of either
-- example.com or *.example.com in a single scan.
-- Example:
-- http://user:password@sub.example.com/page.html
-- becomes
-- http://com.example.sub./page.html
-- which allows for fast searching for all pages under example.com with the
-- clause:
-- WHERE el_index LIKE 'http://com.example.%'
el_index blob NOT NULL default '',
KEY (el_from, el_to(40)),
KEY (el_to(60), el_from),
KEY (el_index(60))
) TYPE=InnoDB;
--
-- Track interlanguage links
--
CREATE TABLE /*$wgDBprefix*/langlinks (
-- page_id of the referring page
ll_from int(8) unsigned NOT NULL default '0',
-- Language code of the target
ll_lang varchar(10) binary NOT NULL default '',
-- Title of the target, including namespace
ll_title varchar(255) binary NOT NULL default '',
UNIQUE KEY (ll_from, ll_lang),
KEY (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 (
-- The single row should contain 1 here.
ss_row_id int(8) unsigned NOT NULL,
-- Total number of page views, if hit counters are enabled.
ss_total_views bigint(20) unsigned default '0',
-- Total number of edits performed.
ss_total_edits bigint(20) unsigned default '0',
-- An approximate count of pages matching the following criteria:
-- * in namespace 0
-- * not a redirect
-- * contains the text '[['
-- See Article::isCountable() in includes/Article.php
ss_good_articles bigint(20) unsigned default '0',
-- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
ss_total_pages bigint(20) default '-1',
-- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
ss_users bigint(20) default '-1',
-- Deprecated, no longer updated as of 1.5
ss_admins int(10) default '-1',
-- Number of images, equivalent to SELECT COUNT(*) FROM image
ss_images int(10) default '0',
UNIQUE KEY ss_row_id (ss_row_id)
) TYPE=InnoDB;
--
-- Stores an ID for every time any article is visited;
-- depending on $wgHitcounterUpdateFreq, it is
-- periodically cleared and the page_counter column
-- in the page table updated for the all articles
-- that have been visited.)
--
CREATE TABLE /*$wgDBprefix*/hitcounter (
hc_id INTEGER UNSIGNED NOT NULL
) TYPE=HEAP MAX_ROWS=25000;
--
-- The internet is full of jerks, alas. Sometimes it's handy
-- to block a vandal or troll account.
--
CREATE TABLE /*$wgDBprefix*/ipblocks (
-- Primary key, introduced for privacy.
ipb_id int(8) NOT NULL auto_increment,
-- Blocked IP address in dotted-quad form or user name.
ipb_address varchar(40) binary NOT NULL default '',
-- Blocked user ID or 0 for IP blocks.
ipb_user int(8) unsigned NOT NULL default '0',
-- User ID who made the block.
ipb_by int(8) unsigned NOT NULL default '0',
-- Text comment made by blocker.
ipb_reason tinyblob NOT NULL default '',
-- Creation (or refresh) date in standard YMDHMS form.
-- IP blocks expire automatically.
ipb_timestamp char(14) binary NOT NULL default '',
-- Indicates that the IP address was banned because a banned
-- user accessed a page through it. If this is 1, ipb_address
-- will be hidden, and the block identified by block ID number.
ipb_auto tinyint(1) NOT NULL default '0',
-- Time at which the block will expire.
ipb_expiry char(14) binary NOT NULL default '',
-- Start and end of an address range, in hexadecimal
-- Size chosen to allow IPv6
ipb_range_start varchar(32) NOT NULL default '',
ipb_range_end varchar(32) NOT NULL default '',
PRIMARY KEY ipb_id (ipb_id),
INDEX ipb_address (ipb_address),
INDEX ipb_user (ipb_user),
INDEX ipb_range (ipb_range_start(8), ipb_range_end(8))
) TYPE=InnoDB;
--
-- Uploaded images and other files.
--
CREATE TABLE /*$wgDBprefix*/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 '',
-- File size in bytes.
img_size int(8) 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',
-- 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',
-- 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,
-- major part of a MIME media type as defined by IANA
-- see http://www.iana.org/assignments/media-types/
img_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") 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 http://www.iana.org/assignments/media-types/
img_minor_mime varchar(32) 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 '',
-- 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 '',
-- Time of the upload.
img_timestamp char(14) binary 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)
) TYPE=InnoDB;
--
-- Previous revisions of uploaded files.
-- Awkwardly, image rows have to be moved into
-- this table at re-upload time.
--
CREATE TABLE /*$wgDBprefix*/oldimage (
-- Base filename: key to image.img_name
oi_name varchar(255) binary NOT NULL default '',
-- Filename of the archived file.
-- This is generally a timestamp and '!' prepended to the base name.
oi_archive_name varchar(255) binary NOT NULL default '',
-- Other fields as in image...
oi_size int(8) unsigned NOT NULL default 0,
oi_width int(5) NOT NULL default 0,
oi_height int(5) NOT NULL default 0,
oi_bits int(3) NOT NULL default 0,
oi_description tinyblob NOT NULL default '',
oi_user int(5) unsigned NOT NULL default '0',
oi_user_text varchar(255) binary NOT NULL default '',
oi_timestamp char(14) binary NOT NULL default '',
INDEX oi_name (oi_name(10))
) TYPE=InnoDB;
--
-- Record of deleted file data
--
CREATE TABLE /*$wgDBprefix*/filearchive (
-- Unique row id
fa_id int not null 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 varchar(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 varchar(64) binary default '',
-- Deletion information, if this file is deleted.
fa_deleted_user int,
fa_deleted_timestamp char(14) binary default '',
fa_deleted_reason text,
-- Duped fields from image
fa_size int(8) unsigned default '0',
fa_width int(5) default '0',
fa_height int(5) default '0',
fa_metadata mediumblob,
fa_bits int(3) 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 varchar(32) default "unknown",
fa_description tinyblob default '',
fa_user int(5) unsigned default '0',
fa_user_text varchar(255) binary default '',
fa_timestamp char(14) binary default '',
PRIMARY KEY (fa_id),
INDEX (fa_name, fa_timestamp), -- pick out by image name
INDEX (fa_storage_group, fa_storage_key), -- pick out dupe files
INDEX (fa_deleted_timestamp), -- sort by deletion time
INDEX (fa_deleted_user) -- sort by deleter
) TYPE=InnoDB;
--
-- 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 /*$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 '',
-- As in revision
rc_user int(10) unsigned NOT NULL default '0',
rc_user_text varchar(255) binary NOT NULL default '',
-- 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 varchar(255) binary NOT NULL default '',
rc_minor tinyint(3) 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_new tinyint(3) 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',
-- rev_id of the given revision
rc_this_oldid int(10) 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',
-- 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_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',
-- 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.user_id
wl_user int(5) 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 when user was last sent a notification e-mail;
-- cleared when the user visits the page.
wl_notificationtimestamp varchar(14) binary,
UNIQUE KEY (wl_user, wl_namespace, wl_title),
KEY namespace_title (wl_namespace,wl_title)
) TYPE=InnoDB;
--
-- Used by the math module to keep track
-- of previously-rendered items.
--
CREATE TABLE /*$wgDBprefix*/math (
-- Binary MD5 hash of the latex fragment, used as an identifier key.
math_inputhash varchar(16) NOT NULL,
-- Not sure what this is, exactly...
math_outputhash varchar(16) NOT NULL,
-- texvc reports how well it thinks the HTML conversion worked;
-- if it's a low level the PNG rendering may be preferred.
math_html_conservativeness tinyint(1) NOT NULL,
-- HTML output from texvc, if any
math_html text,
-- MathML output from texvc, if any
math_mathml text,
UNIQUE KEY math_inputhash (math_inputhash)
) TYPE=InnoDB;
--
-- When using the default MySQL search backend, page titles
-- and text are munged to strip markup, do Unicode case folding,
-- and prepare the result for MySQL's fulltext index.
--
-- This table must be MyISAM; InnoDB does not support the needed
-- fulltext index.
--
CREATE TABLE /*$wgDBprefix*/searchindex (
-- Key to page_id
si_page int(8) 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)
) TYPE=MyISAM;
--
-- Recognized interwiki link prefixes
--
CREATE TABLE /*$wgDBprefix*/interwiki (
-- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
iw_prefix char(32) NOT NULL,
-- The URL of the wiki, with "$1" as a placeholder for an article name.
-- Any spaces in the name will be transformed to underscores before
-- insertion.
iw_url char(127) NOT NULL,
-- A boolean value indicating whether the wiki is in this project
-- (used, for example, to detect redirect loops)
iw_local BOOL NOT NULL,
-- Boolean value indicating whether interwiki transclusions are allowed.
iw_trans TINYINT(1) NOT NULL DEFAULT 0,
UNIQUE KEY iw_prefix (iw_prefix)
) TYPE=InnoDB;
--
-- Used for caching expensive grouped queries
--
CREATE TABLE /*$wgDBprefix*/querycache (
-- A key name, generally the base name of of the special page.
qc_type char(32) NOT NULL,
-- Some sort of stored value. Sizes, counts...
qc_value int(5) 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)
) TYPE=InnoDB;
--
-- For a few generic cache operations if not using Memcached
--
CREATE TABLE /*$wgDBprefix*/objectcache (
keyname char(255) binary not null default '',
value mediumblob,
exptime datetime,
unique key (keyname),
key (exptime)
) TYPE=InnoDB;
--
-- Cache of interwiki transclusion
--
CREATE TABLE /*$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;
CREATE TABLE /*$wgDBprefix*/logging (
-- Symbolic keys for the general log type and the action type
-- within the log. The output format will be controlled by the
-- action field, but only the type controls categorization.
log_type char(10) NOT NULL default '',
log_action char(10) NOT NULL default '',
-- Timestamp. Duh.
log_timestamp char(14) NOT NULL default '19700101000000',
-- The user who performed this action; key to user_id
log_user int unsigned NOT NULL default 0,
-- Key to the page affected. Where a user is the target,
-- this will point to the user page.
log_namespace int NOT NULL default 0,
log_title varchar(255) binary NOT NULL default '',
-- Freeform text. Interpreted as edit history comments.
log_comment varchar(255) NOT NULL default '',
-- LF separated list of miscellaneous parameters
log_params blob NOT NULL default '',
KEY type_time (log_type, log_timestamp),
KEY user_time (log_user, log_timestamp),
KEY page_time (log_namespace, log_title, log_timestamp),
KEY times (log_timestamp)
) TYPE=InnoDB;
CREATE TABLE /*$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),
INDEX (tb_page)
) TYPE=InnoDB;
-- Jobs performed by parallel apache threads or a command-line daemon
CREATE TABLE /*$wgDBprefix*/job (
job_id int(9) unsigned NOT NULL auto_increment,
-- Command name, currently only refreshLinks is defined
job_cmd varchar(255) NOT NULL default '',
-- Namespace and title to act on
-- Should be 0 and '' if the command does not operate on a title
job_namespace int NOT NULL,
job_title varchar(255) binary NOT NULL,
-- Any other parameters to the command
-- Presently unused, format undefined
job_params blob NOT NULL default '',
PRIMARY KEY job_id (job_id),
KEY (job_cmd, job_namespace, job_title)
) TYPE=InnoDB;
-- Details of updates to cached special pages
CREATE TABLE /*$wgDBprefix*/querycache_info (
-- Special page name
-- Corresponds to a qc_type value
qci_type varchar(32) NOT NULL default '',
-- Timestamp of last update
qci_timestamp char(14) NOT NULL default '19700101000000',
UNIQUE KEY ( qci_type )
) TYPE=InnoDB;