Template:SchemaDiagram/sql/mediawiki-1.38.0.json

name "site_identifiers" comment "Links local site identifiers to their corresponding site." columns name "si_type" comment "local key type, ie 'interwiki' or 'langlink'" type "binary" options length 32 notnull true name "si_key" comment "local key value, ie 'en' or 'wiktionary'" type "binary" options length 32 notnull true name "si_site" comment "Key on sites.site_id" type "integer" options unsigned true notnull true indexes name "si_site" columns "si_site" unique false name "si_key" columns "si_key" unique false pk "si_type" "si_key" name "updatelog" comment "A table to log updates, one text key row per update." columns name "ul_key" type "string" options length 255 notnull true name "ul_value" type "blob" options length 65530 notnull false indexes Empty array pk "ul_key" name "actor" comment "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." columns name "actor_id" comment "Unique ID to identify each actor" type "bigint" options unsigned true notnull true autoincrement true name "actor_user" comment "Key to user.user_id, or NULL for anonymous edits" type "integer" options unsigned true notnull false name "actor_name" comment "Text username or IP address" type "binary" options length 255 notnull true indexes name "actor_user" columns "actor_user" unique true name "actor_name" columns "actor_name" unique true pk "actor_id" name "user_former_groups" comment "Stores the groups the user has once belonged to. The user may still belong to these groups (check user_groups). Autopromotion of users to groups from which they were removed can be restricted by using wgAutopromoteOnce instead of wgAutopromote." columns name "ufg_user" comment "Key to user_id" type "integer" options unsigned true notnull true default 0 name "ufg_group" type "binary" options length 255 notnull true default "" indexes Empty array pk "ufg_user" "ufg_group" name "bot_passwords" comment "This table contains a user's bot passwords: passwords that allow access to the account via the API with limited rights." columns name "bp_user" comment "User ID obtained from CentralIdLookup." type "integer" options unsigned true notnull true name "bp_app_id" comment "Application identifier." type "binary" options length 32 notnull true name "bp_password" comment "Password hashes, like user.user_password." type "blob" options length 255 notnull true name "bp_token" comment "Like user.user_token" type "binary" options length 32 notnull true default "" fixed true name "bp_restrictions" comment "JSON blob for MWRestrictions" type "blob" options length 65535 notnull true name "bp_grants" comment "Grants allowed to the account when authenticated with this bot-password" type "blob" options length 65535 notnull true indexes Empty array pk "bp_user" "bp_app_id" name "comment" comment "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." columns name "comment_id" comment "Unique ID to identify each comment" type "bigint" options unsigned true notnull true autoincrement true name "comment_hash" comment "Hash of comment_text and comment_data, for deduplication" type "integer" options notnull true name "comment_text" comment "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." type "blob" options length 65535 notnull true name "comment_data" comment "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." type "blob" options length 65535 notnull false indexes name "comment_hash" columns "comment_hash" unique false pk "comment_id" name "slots" comment "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." columns name "slot_revision_id" comment "reference to rev_id or ar_rev_id" type "bigint" options unsigned true notnull true name "slot_role_id" comment "reference to role_id" type "smallint" options unsigned true notnull true name "slot_content_id" comment "reference to content_id" type "bigint" options unsigned true notnull true name "slot_origin" comment "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. TODO: Is that actually true? Rollback seems to violate it by setting slot_origin to an older rev_id. Undeletions could result in the same situation." type "bigint" options unsigned true notnull true indexes name "slot_revision_origin_role" columns "slot_revision_id" "slot_origin" "slot_role_id" comment "Index for finding revisions that modified a specific slot" unique false pk "slot_revision_id" "slot_role_id" name "site_stats" comment "Contains a single row with some aggregate info on the state of the site." columns name "ss_row_id" comment "The single row should contain 1 here." type "integer" options unsigned true notnull true name "ss_total_edits" comment "Total number of edits performed." type "bigint" options unsigned true notnull false default null name "ss_good_articles" comment "See SiteStatsInit::articles()." type "bigint" options unsigned true notnull false default null name "ss_total_pages" comment "Total pages, theoretically equal to SELECT COUNT(*) FROM page." type "bigint" options unsigned true notnull false default null name "ss_users" comment "Number of users, theoretically equal to SELECT COUNT(*) FROM user." type "bigint" options unsigned true notnull false default null name "ss_active_users" comment "Number of users that still edit." type "bigint" options unsigned true notnull false default null name "ss_images" comment "Number of images, equivalent to SELECT COUNT(*) FROM image." type "bigint" options unsigned true notnull false default null indexes Empty array pk "ss_row_id" name "user_properties" comment "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 defaults 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 sensible table structure." columns name "up_user" comment "Foreign key to user.user_id" type "integer" options unsigned true notnull true name "up_property" comment "Name of the option being saved. This is indexed for bulk lookup." type "binary" options length 255 notnull true name "up_value" comment "Property value as a string." type "blob" options length 65530 notnull false indexes name "up_property" columns "up_property" unique false pk "up_user" "up_property" name "log_search" columns name "ls_field" comment "The type of ID (rev ID, log ID, rev timestamp, username)" type "binary" options length 32 notnull true name "ls_value" comment "The value of the ID" type "string" options length 255 notnull true name "ls_log_id" comment "Key to log_id" type "integer" options unsigned true notnull true default 0 indexes name "ls_log_id" columns "ls_log_id" unique false pk "ls_field" "ls_value" "ls_log_id" name "change_tag" comment "A table to track tags for revisions, logs and recent changes" columns name "ct_id" type "integer" options unsigned true notnull true autoincrement true name "ct_rc_id" comment "RCID for the change" type "integer" options unsigned true notnull false default null name "ct_log_id" comment "LOGID for the change" type "integer" options unsigned true notnull false default null name "ct_rev_id" comment "REVID for the change" type "integer" options unsigned true notnull false default null name "ct_params" comment "Parameters for the tag; used by some extensions" type "blob" options length 65530 notnull false default null name "ct_tag_id" comment "Foreign key to change_tag_def row" type "integer" options unsigned true notnull true indexes name "ct_rc_tag_id" columns "ct_rc_id" "ct_tag_id" unique true name "ct_log_tag_id" columns "ct_log_id" "ct_tag_id" unique true name "ct_rev_tag_id" columns "ct_rev_id" "ct_tag_id" unique true name "ct_tag_id_id" comment "Covering index, so we can pull all the info only out of the index." columns "ct_tag_id" "ct_rc_id" "ct_rev_id" "ct_log_id" unique false pk "ct_id" name "content" comment "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." columns name "content_id" comment "ID of the content object" type "bigint" options notnull true unsigned true autoincrement true name "content_size" comment "Nominal size of the content object (not necessarily of the serialized blob)" type "integer" options notnull true unsigned true name "content_sha1" comment "Nominal hash of the content object (not necessarily of the serialized blob)" type "binary" options notnull true length 32 name "content_model" comment "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." type "smallint" options notnull true unsigned true name "content_address" comment "URL-like address of the content blob" type "binary" options notnull true length 255 indexes Empty array pk "content_id" name "l10n_cache" comment "Table for storing localisation data" columns name "lc_lang" comment "Language code" type "binary" options notnull true length 35 name "lc_key" comment "Cache key" type "string" options notnull true length 255 name "lc_value" comment "Value" type "blob" options notnull true length 16777215 indexes Empty array pk "lc_lang" "lc_key" name "module_deps" comment "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" columns name "md_module" comment "Module name" type "binary" options notnull true length 255 name "md_skin" comment "Module context vary (includes skin and language; called "md_skin" for legacy reasons)" type "binary" options notnull true length 32 name "md_deps" comment "JSON blob with file dependencies" type "blob" options notnull true length 16777215 indexes Empty array pk "md_module" "md_skin" name "redirect" comment "For each redirect, this table contains exactly one row defining its target. Redirect targets are 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." columns name "rd_from" comment "Key to the page_id of the redirect page" type "integer" options notnull true unsigned true default 0 name "rd_namespace" type "integer" options notnull true default 0 name "rd_title" type "binary" options notnull true length 255 default "" name "rd_interwiki" type "string" options notnull false length 32 default null name "rd_fragment" type "binary" options notnull false length 255 default null indexes name "rd_ns_title" columns "rd_namespace" "rd_title" "rd_from" unique false pk "rd_from" name "pagelinks" comment "Track page-to-page hyperlinks within the wiki. The target page may or may not exist, and due to renames and deletions may refer to different page records as time goes by." columns name "pl_from" comment "Key to the page_id of the page containing the link." type "integer" options notnull true unsigned true default 0 name "pl_namespace" type "integer" options notnull true default 0 name "pl_title" type "binary" options notnull true length 255 default "" name "pl_from_namespace" type "integer" comment "Namespace for pl_from page" options notnull true default 0 indexes name "pl_namespace" columns "pl_namespace" "pl_title" "pl_from" comment "Reverse index, for Special:Whatlinkshere" unique false name "pl_backlinks_namespace" columns "pl_from_namespace" "pl_namespace" "pl_title" "pl_from" comment "Index for Special:Whatlinkshere with namespace filter" unique false pk "pl_from" "pl_namespace" "pl_title" name "templatelinks" comment "Track template inclusions. The target page may or may not exist, and due to renames and deletions may refer to different page records as time goes by." columns name "tl_from" comment "Key to the page_id of the page containing the link." type "integer" options notnull true unsigned true default 0 name "tl_from_namespace" type "integer" comment "Namespace for this page" options notnull true default 0 name "tl_namespace" type "integer" options notnull true default 0 name "tl_title" type "binary" options notnull true length 255 default "" name "tl_target_id" type "bigint" comment "Foreign key to linktarget.lt_id" options notnull false unsigned true default null indexes name "tl_namespace" columns "tl_namespace" "tl_title" "tl_from" comment "Reverse index, for Special:Whatlinkshere" unique false name "tl_backlinks_namespace" columns "tl_from_namespace" "tl_namespace" "tl_title" "tl_from" comment "Index for Special:Whatlinkshere with namespace filter" unique false name "tl_target_id" columns "tl_target_id" "tl_from" comment "Reverse index, for Special:Whatlinkshere" unique false name "tl_backlinks_namespace_target_id" columns "tl_from_namespace" "tl_target_id" "tl_from" comment "Index for Special:Whatlinkshere with namespace filter" unique false pk "tl_from" "tl_namespace" "tl_title" name "imagelinks" comment "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." columns name "il_from" comment "Key to page_id of the page containing the image / media link." type "integer" options notnull true unsigned true default 0 name "il_from_namespace" type "integer" comment "Namespace for this page" options notnull true default 0 name "il_to" type "binary" comment "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)." options notnull true length 255 default "" indexes name "il_to" columns "il_to" "il_from" comment "Reverse index, for Special:Whatlinkshere and file description page local usage" unique false name "il_backlinks_namespace" columns "il_from_namespace" "il_to" "il_from" comment "Index for Special:Whatlinkshere with namespace filter" unique false pk "il_from" "il_to" name "langlinks" comment "Track interlanguage links." columns name "ll_from" comment "page_id of the referring page" type "integer" options notnull true unsigned true default 0 name "ll_lang" type "binary" comment "Language code of the target" options notnull true length 35 default "" name "ll_title" type "binary" comment "Title of the target, including namespace" options notnull true length 255 default "" indexes name "ll_lang" columns "ll_lang" "ll_title" comment "Index for ApiQueryLangbacklinks" unique false pk "ll_from" "ll_lang" name "iwlinks" comment "Track inline interwiki links" columns name "iwl_from" comment "page_id of the referring page" type "integer" options notnull true unsigned true default 0 name "iwl_prefix" type "binary" comment "Interwiki prefix code of the target" options notnull true length 32 default "" name "iwl_title" type "binary" comment "Title of the target, including namespace" options notnull true length 255 default "" indexes name "iwl_prefix_title_from" columns "iwl_prefix" "iwl_title" "iwl_from" comment "Index for ApiQueryIWBacklinks" unique false name "iwl_prefix_from_title" columns "iwl_prefix" "iwl_from" "iwl_title" comment "Index for ApiQueryIWLinks" unique false pk "iwl_from" "iwl_prefix" "iwl_title" name "category" comment "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. The numbers of member pages (including categories and media), subcategories, and Image: namespace members, respectively are included in this table too. 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 ordering is not." columns name "cat_id" comment "Primary key" type "integer" options notnull true unsigned true autoincrement true name "cat_title" type "binary" comment "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)." options notnull true length 255 name "cat_pages" type "integer" options notnull true default 0 name "cat_subcats" type "integer" options notnull true default 0 name "cat_files" type "integer" options notnull true default 0 indexes name "cat_title" columns "cat_title" unique true name "cat_pages" columns "cat_pages" comment "For Special:Mostlinkedcategories" unique false pk "cat_id" name "watchlist_expiry" comment "Allows setting an expiry for watchlist items." columns name "we_item" comment "Key to watchlist.wl_id" type "integer" options notnull true unsigned true name "we_expiry" type "mwtimestamp" comment "Expiry time" options notnull true indexes name "we_expiry" columns "we_expiry" unique false pk "we_item" name "change_tag_def" comment "Table defining tag names for IDs. Also stores hit counts to avoid expensive queries on change_tag" columns name "ctd_id" comment "Numerical ID of the tag (ct_tag_id refers to this)" type "integer" options unsigned true notnull true autoincrement true name "ctd_name" comment "Symbolic name of the tag (what would previously be put in ct_tag)" type "binary" options length 255 notnull true name "ctd_user_defined" comment "Whether this tag was defined manually by a privileged user using Special:Tags" type "mwtinyint" options notnull true length 1 name "ctd_count" comment "Number of times this tag was used" type "bigint" options unsigned true notnull true default 0 indexes name "ctd_name" columns "ctd_name" unique true name "ctd_count" columns "ctd_count" unique false name "ctd_user_defined" columns "ctd_user_defined" unique false pk "ctd_id" name "ipblocks_restrictions" comment "Partial Block Restrictions" columns name "ir_ipb_id" comment "The ipb_id from ipblocks" type "integer" options notnull true name "ir_type" comment "The restriction type id." type "mwtinyint" options notnull true length 4 name "ir_value" comment "The restriction id that corresponds to the type. Typically a Page ID or a Namespace ID." type "integer" options notnull true unsigned true indexes name "ir_type_value" comment "Index to query restrictions by the page or namespace." columns "ir_type" "ir_value" unique false pk "ir_ipb_id" "ir_type" "ir_value" name "querycache" comment "Used for caching expensive grouped queries" columns name "qc_type" comment "A key name, generally the base name of of the special page" type "binary" options length 32 notnull true name "qc_value" comment "Some sort of stored value. Sizes, counts..." type "integer" options notnull true unsigned true default 0 name "qc_namespace" type "integer" options notnull true default 0 name "qc_title" type "binary" options length 255 notnull true default "" indexes name "qc_type" columns "qc_type" "qc_value" unique false pk Empty array name "querycachetwo" comment "Used for caching expensive grouped queries that need two links (for example double-redirects)" columns name "qcc_type" comment "A key name, generally the base name of of the special page." type "binary" options length 32 notnull true name "qcc_value" comment "Some sort of stored value. Sizes, counts..." type "integer" options notnull true unsigned true default 0 name "qcc_namespace" type "integer" options notnull true default 0 name "qcc_title" type "binary" options length 255 notnull true default "" name "qcc_namespacetwo" type "integer" options notnull true default 0 name "qcc_titletwo" type "binary" options length 255 notnull true default "" indexes name "qcc_type" columns "qcc_type" "qcc_value" unique false name "qcc_title" columns "qcc_type" "qcc_namespace" "qcc_title" unique false name "qcc_titletwo" columns "qcc_type" "qcc_namespacetwo" "qcc_titletwo" unique false pk Empty array name "page_restrictions" comment "Used for storing page restrictions (i.e. protection levels)" columns name "pr_id" comment "Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)" type "integer" options unsigned true notnull true autoincrement true name "pr_page" comment "Page to apply restrictions to (Foreign Key to page)." type "integer" options notnull true unsigned true name "pr_type" comment "The protection type (edit, move, etc)" type "binary" options length 60 notnull true name "pr_level" comment "The protection level (Sysop, autoconfirmed, etc)" type "binary" options length 60 notnull true name "pr_cascade" type "mwtinyint" options notnull true name "pr_expiry" comment "Field for time-limited protection." type "mwtimestamp" options notnull false CustomSchemaOptions allowInfinite true indexes name "pr_pagetype" columns "pr_page" "pr_type" unique true name "pr_typelevel" columns "pr_type" "pr_level" unique false name "pr_level" columns "pr_level" unique false name "pr_cascade" columns "pr_cascade" unique false pk "pr_id" name "user_groups" comment "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." columns name "ug_user" comment "Key to user_id" type "integer" options notnull true unsigned true default 0 name "ug_group" comment "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." type "binary" options length 255 notnull true default "" name "ug_expiry" comment "Time at which the user group membership will expire. Set to NULL for a non-expiring (infinite) membership." type "mwtimestamp" options notnull false default null CustomSchemaOptions allowInfinite true indexes name "ug_group" columns "ug_group" unique false name "ug_expiry" columns "ug_expiry" unique false pk "ug_user" "ug_group" name "querycache_info" comment "Details of updates to cached special pages" columns name "qci_type" comment "Special page name. Corresponds to a qc_type value" type "binary" options length 32 notnull true default "" name "qci_timestamp" comment "Timestamp of last update" type "mwtimestamp" options notnull true default "19700101000000" indexes Empty array pk "qci_type" name "watchlist" columns name "wl_id" type "integer" options unsigned true notnull true autoincrement true name "wl_user" type "integer" options notnull true unsigned true name "wl_namespace" type "integer" options notnull true default 0 name "wl_title" type "binary" options length 255 notnull true default "" name "wl_notificationtimestamp" comment "Timestamp used to send notification e-mails and show 'updated since last visit' markers. 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." type "mwtimestamp" options notnull false indexes name "wl_user" columns "wl_user" "wl_namespace" "wl_title" comment "Special:Watchlist" unique true name "wl_namespace_title" columns "wl_namespace" "wl_title" comment "Special:Movepage (WatchedItemStore::duplicateEntry)" unique false name "wl_user_notificationtimestamp" columns "wl_user" "wl_notificationtimestamp" comment "ApiQueryWatchlistRaw changed filter" unique false pk "wl_id" name "sites" comment "Holds all the sites known to the wiki." columns name "site_id" type "integer" comment "Numeric id of the site" options unsigned true notnull true autoincrement true name "site_global_key" type "binary" comment "Global identifier for the site, ie 'enwiktionary'" options notnull true length 64 name "site_type" type "binary" comment "Type of the site, ie 'mediawiki'" options notnull true length 32 name "site_group" type "binary" comment "Group of the site, ie 'wikipedia'" options notnull true length 32 name "site_source" type "binary" comment "Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'" options notnull true length 32 name "site_language" type "binary" comment "Language code of the sites primary language." options notnull true length 35 name "site_protocol" type "binary" comment "Protocol of the site, ie 'http://', 'irc://', '//'. This field is an index for lookups and is build from type specific data in site_data." options notnull true length 32 name "site_domain" type "string" comment "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." options notnull true length 255 name "site_data" type "blob" comment "Type dependent site data." options notnull true length 65530 name "site_forward" type "mwtinyint" comment "If site.tld/path/key:pageTitle should forward users to the page on the actual site, where "key" is the local identifier." options notnull true length 1 name "site_config" type "blob" comment "Type dependent site config. For instance if template transclusion should be allowed if it's a MediaWiki." options notnull true length 65530 indexes name "site_global_key" columns "site_global_key" unique true name "site_type" columns "site_type" unique false name "site_group" columns "site_group" unique false name "site_source" columns "site_source" unique false name "site_language" columns "site_language" unique false name "site_protocol" columns "site_protocol" unique false name "site_domain" columns "site_domain" unique false name "site_forward" columns "site_forward" unique false pk "site_id" name "user_newtalk" comment "Stores notifications of user talk page changes, for the display of the 'you have new messages' box" columns name "user_id" type "integer" options unsigned true notnull true default 0 name "user_ip" comment "If the user is an anonymous user their IP address is stored here since the user_id of 0 is ambiguous" type "binary" options length 40 notnull true default "" name "user_last_timestamp" comment "The highest timestamp of revisions of the talk page viewed by this user" type "mwtimestamp" options notnull false indexes name "un_user_id" columns "user_id" unique false name "un_user_ip" columns "user_ip" unique false pk Empty array name "interwiki" comment "Recognized interwiki link prefixes" columns name "iw_prefix" type "string" comment "The interwiki prefix, (e.g. "Meatball", or the language prefix "de")" options length 32 notnull true name "iw_url" type "blob" comment "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." options notnull true length 65530 name "iw_api" type "blob" comment "The URL of the file api.php" options notnull true length 65530 name "iw_wikiid" type "string" comment "The name of the database (for a connection to be established with LBFactory::getMainLB( 'wikiid' ))" options notnull true length 64 name "iw_local" type "mwtinyint" comment "A boolean value indicating whether the wiki is in this project (used, for example, to detect redirect loops)" options notnull true length 1 name "iw_trans" type "mwtinyint" comment "Boolean value indicating whether interwiki transclusions are allowed." options notnull true default 0 indexes Empty array pk "iw_prefix" name "protected_titles" comment "Used for storing nonexistent pages that have been protected" columns name "pt_namespace" type "integer" options notnull true name "pt_title" type "binary" options length 255 notnull true name "pt_user" type "integer" options unsigned true notnull true name "pt_reason_id" type "bigint" options unsigned true notnull true name "pt_timestamp" type "mwtimestamp" options notnull true name "pt_expiry" type "mwtimestamp" options notnull true CustomSchemaOptions allowInfinite true name "pt_create_perm" type "binary" options length 60 notnull true indexes name "pt_timestamp" columns "pt_timestamp" unique false pk "pt_namespace" "pt_title" name "externallinks" comment "Track links to external URLs" columns name "el_id" type "integer" options unsigned true notnull true autoincrement true name "el_from" type "integer" comment "page_id of the referring page" options unsigned true notnull true default 0 name "el_to" type "blob" comment "The external link" options length 65530 notnull true name "el_index" type "blob" comment "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 which will allow faster searching for all pages with WHERE clause. Note: If PHP's intl extension is enabled/disabled, maintenance/refreshExternallinksIndex.php needs to be run to refresh this field" options length 65530 notnull true name "el_index_60" type "binary" comment "'el_index' truncated to 60 bytes to allow for sortable queries that aren't supported by a partial index" options notnull true length 60 indexes name "el_from" columns "el_from" "el_to" unique false options lengths null 40 name "el_to" columns "el_to" "el_from" unique false options lengths 60 null name "el_index" columns "el_index" unique false options lengths 60 name "el_index_60" columns "el_index_60" "el_id" unique false name "el_from_index_60" columns "el_from" "el_index_60" "el_id" unique false pk "el_id" name "ip_changes" comment "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." columns name "ipc_rev_id" comment "Foreign key to the revision table, also serves as the unique primary key" type "integer" options unsigned true notnull true default 0 name "ipc_rev_timestamp" comment "The timestamp of the revision" type "mwtimestamp" options notnull true name "ipc_hex" comment "Hex representation of the IP address, as returned by Wikimedia\IPUtils::toHex() For IPv4 it will resemble: ABCD1234 For IPv6: v6-ABCD1234000000000000000000000000 BETWEEN is then used to identify revisions within a given range" type "binary" options length 35 notnull true default "" indexes name "ipc_rev_timestamp" columns "ipc_rev_timestamp" unique false name "ipc_hex_time" columns "ipc_hex" "ipc_rev_timestamp" unique false pk "ipc_rev_id" name "revision_comment_temp" comment "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" columns name "revcomment_rev" comment "Key to rev_id" type "integer" options unsigned true notnull true name "revcomment_comment_id" comment "Key to comment_id" type "bigint" options unsigned true notnull true indexes name "revcomment_rev" columns "revcomment_rev" unique true pk "revcomment_rev" "revcomment_comment_id" name "revision_actor_temp" comment "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" columns name "revactor_rev" comment "Key to rev_id" type "integer" options unsigned true notnull true name "revactor_actor" comment "Key to actor_id" type "bigint" options unsigned true notnull true name "revactor_timestamp" comment "Copy field from revision for indexes" type "mwtimestamp" options notnull true name "revactor_page" comment "Copy field from revision for indexes" type "integer" options unsigned true notnull true indexes name "revactor_rev" columns "revactor_rev" unique true name "actor_timestamp" columns "revactor_actor" "revactor_timestamp" unique false name "page_actor_timestamp" columns "revactor_page" "revactor_actor" "revactor_timestamp" unique false pk "revactor_rev" "revactor_actor" name "page_props" comment "Name/value pairs indexed by page_id" columns name "pp_page" type "integer" options notnull true unsigned true name "pp_propname" type "binary" options length 60 notnull true name "pp_value" type "blob" options length 65530 notnull true name "pp_sortkey" type "float" options notnull false indexes name "pp_propname_page" columns "pp_propname" "pp_page" unique true name "pp_propname_sortkey_page" columns "pp_propname" "pp_sortkey" "pp_page" unique true options where "(pp_sortkey IS NOT NULL)" pk "pp_page" "pp_propname" name "job" comment "Jobs performed by parallel apache threads or a command-line daemon" columns name "job_id" type "integer" options unsigned true notnull true autoincrement true name "job_cmd" comment "Command name. Limited to 60 to prevent key length overflow" type "binary" options notnull true default "" length 60 name "job_namespace" comment "Namespace to act on. Should be 0 if the command does not operate on a title" type "integer" options notnull true name "job_title" comment "Title to act on. Should be '' if the command does not operate on a title" type "binary" options notnull true length 255 name "job_timestamp" comment "Timestamp of when the job was inserted. NULL for jobs added before addition of the timestamp" type "mwtimestamp" options notnull false name "job_params" comment "Any other parameters to the command. Stored as a PHP serialized array, or an empty string if there are no parameters" type "blob" options notnull true length 16777215 name "job_random" comment "Random, non-unique, number used for job acquisition (for lock concurrency)" type "integer" options unsigned true notnull true default 0 name "job_attempts" comment "The number of times this job has been locked" type "integer" options unsigned true notnull true default 0 name "job_token" comment "Field that conveys process locks on rows via process UUIDs" type "binary" options notnull true default "" length 32 name "job_token_timestamp" comment "Timestamp when the job was locked" type "mwtimestamp" options notnull false name "job_sha1" comment "Base 36 SHA1 of the job parameters relevant to detecting duplicates" type "binary" options notnull true length 32 default "" indexes name "job_sha1" columns "job_sha1" unique false name "job_cmd_token" columns "job_cmd" "job_token" "job_random" unique false name "job_cmd_token_id" columns "job_cmd" "job_token" "job_id" unique false name "job_cmd" columns "job_cmd" "job_namespace" "job_title" "job_params" unique false options lengths null null null 128 name "job_timestamp" columns "job_timestamp" unique false pk "job_id" name "slot_roles" comment "Normalization table for role names" columns name "role_id" type "integer" options notnull true autoincrement true name "role_name" type "binary" options notnull true length 64 indexes name "role_name" columns "role_name" comment "Index for looking up the internal ID of a role" unique true pk "role_id" name "content_models" comment "Normalization table for content model names" columns name "model_id" type "integer" options notnull true autoincrement true name "model_name" type "binary" options notnull true length 64 indexes name "model_name" columns "model_name" comment "Index for looking up the internal ID of a model" unique true pk "model_id" name "categorylinks" comment "Track category inclusions *used inline* This tracks a single level of category membership" columns name "cl_from" comment "Key to page_id of the page defined as a category member." type "integer" options unsigned true notnull true default 0 name "cl_to" comment "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)." type "binary" options notnull true default "" length 255 name "cl_sortkey" comment "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." type "binary" options notnull true default "" length 230 name "cl_sortkey_prefix" comment "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." type "binary" options notnull true default "" length 255 name "cl_timestamp" comment "This isn't really used at present. Provided for an optional sorting method by approximate addition time." type "datetimetz" options notnull true PlatformOptions version true name "cl_collation" comment "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." type "binary" options notnull true default "" length 32 name "cl_type" comment "Stores whether cl_from is a category, file, or other page, so we can paginate the three categories separately. This only has to be updated when moving pages into or out of the category namespace, since file pages cannot be moved to other namespaces, nor can non-files be moved into the file namespace." type "mwenum" options notnull true default "page" CustomSchemaOptions enum_values "page" "subcat" "file" indexes name "cl_sortkey" comment "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?" columns "cl_to" "cl_type" "cl_sortkey" "cl_from" unique false name "cl_timestamp" comment "Used by the API (and some extensions)" columns "cl_to" "cl_timestamp" unique false name "cl_collation_ext" comment "Used when updating collation (e.g. updateCollation.php)" columns "cl_collation" "cl_to" "cl_type" "cl_from" unique false pk "cl_from" "cl_to" name "logging" columns name "log_id" comment "Log ID, for referring to this specific log entry, probably for deletion and such." type "integer" options unsigned true notnull true autoincrement true name "log_type" comment "Symbolic key for the general log type. The output format will be controlled by the log_action field." type "binary" options notnull true default "" length 32 name "log_action" comment "Symbolic key for the log action type." type "binary" options notnull true default "" length 32 name "log_timestamp" type "mwtimestamp" options notnull true default "19700101000000" name "log_actor" type "bigint" options notnull true unsigned true name "log_namespace" comment "Key to the namespace of the page affected" type "integer" options notnull true default 0 name "log_title" comment "Key to the title of the page affected" type "binary" options notnull true default "" length 255 name "log_page" comment "Key to the page affected" type "integer" options notnull false unsigned true name "log_comment_id" comment "Key to comment_id. Comment summarizing the change." type "bigint" options notnull true unsigned true name "log_params" comment "LF separated list (old system) or serialized PHP array (new system)" type "blob" options notnull true length 65530 name "log_deleted" comment "rev_deleted for logs" type "mwtinyint" options notnull true unsigned true default 0 indexes name "log_type_time" comment "Special:Log type filter" columns "log_type" "log_timestamp" unique false name "log_actor_time" comment "Special:Log performer filter" columns "log_actor" "log_timestamp" unique false name "log_page_time" comment "Special:Log title filter, log extract" columns "log_namespace" "log_title" "log_timestamp" unique false name "log_times" comment "Special:Log unfiltered" columns "log_timestamp" unique false name "log_actor_type_time" comment "Special:Log filter by performer and type" columns "log_actor" "log_type" "log_timestamp" unique false name "log_page_id_time" comment "Apparently just used for a few maintenance pages (findMissingFiles.php, Flow). Could be removed?" columns "log_page" "log_timestamp" unique false name "log_type_action" comment "Special:Log action filter" columns "log_type" "log_action" "log_timestamp" unique false pk "log_id" name "uploadstash" comment "Store information about newly uploaded files before they're moved into the actual filestore" columns name "us_id" type "integer" options autoincrement true unsigned true notnull true name "us_user" comment "the user who uploaded the file." type "integer" options unsigned true notnull true name "us_key" comment "file key. this is how applications actually search for the file. this might go away, or become the primary key." type "string" options notnull true length 255 name "us_orig_path" comment "the original path" type "string" options notnull true length 255 name "us_path" comment "the temporary path at which the file is actually stored" type "string" options notnull true length 255 name "us_source_type" comment "which type of upload the file came from (sometimes)" type "string" options notnull false length 50 name "us_timestamp" comment "the date/time on which the file was added" type "mwtimestamp" options notnull true name "us_status" type "string" options notnull true length 50 name "us_chunk_inx" comment "chunk counter starts at 0, current offset is stored in us_size" type "integer" options unsigned true notnull false name "us_props" comment "Serialized file properties from FSFile::getProps()" type "blob" options notnull false length 65530 name "us_size" comment "file size in bytes" type "integer" options unsigned true notnull true name "us_sha1" comment "this hash comes from FSFile::getSha1Base36(), and is 31 characters" type "string" options notnull true length 31 name "us_mime" type "string" options notnull false length 255 name "us_media_type" comment "Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table" type "mwenum" options notnull false default null fixed true CustomSchemaOptions enum_values "UNKNOWN" "BITMAP" "DRAWING" "AUDIO" "VIDEO" "MULTIMEDIA" "OFFICE" "TEXT" "EXECUTABLE" "ARCHIVE" "3D" name "us_image_width" comment "image-specific properties" type "integer" options unsigned true notnull false name "us_image_height" type "integer" options unsigned true notnull false name "us_image_bits" type "smallint" options unsigned true notnull false indexes name "us_user" comment "sometimes there's a delete for all of a user's stuff." columns "us_user" unique false name "us_key" comment "pick out files by key, enforce key uniqueness" columns "us_key" unique true name "us_timestamp" comment "the abandoned upload cleanup script needs this" columns "us_timestamp" unique false pk "us_id" name "filearchive" comment "Record of deleted file data" columns name "fa_id" comment "Unique row id" type "integer" options autoincrement true unsigned true notnull true name "fa_name" comment "Original base filename; key to image.img_name, page.page_title, etc" type "binary" options notnull true default "" length 255 name "fa_archive_name" comment "Filename of archived file, if an old revision" type "binary" options notnull false default "" length 255 name "fa_storage_group" comment "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." type "binary" options notnull false length 16 name "fa_storage_key" comment "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." type "binary" options notnull false default "" length 64 name "fa_deleted_user" type "integer" options notnull false name "fa_deleted_timestamp" type "mwtimestamp" options notnull false name "fa_deleted_reason_id" type "bigint" options unsigned true notnull true name "fa_size" type "integer" options unsigned true notnull false default 0 name "fa_width" type "integer" options notnull false default 0 name "fa_height" type "integer" options notnull false default 0 name "fa_metadata" type "blob" options notnull false length 16777215 name "fa_bits" type "integer" options notnull false default 0 name "fa_media_type" type "mwenum" options notnull false default null CustomSchemaOptions enum_values "UNKNOWN" "BITMAP" "DRAWING" "AUDIO" "VIDEO" "MULTIMEDIA" "OFFICE" "TEXT" "EXECUTABLE" "ARCHIVE" "3D" name "fa_major_mime" type "mwenum" options notnull false default "unknown" CustomSchemaOptions enum_values "unknown" "application" "audio" "image" "text" "video" "message" "model" "multipart" "chemical" name "fa_minor_mime" type "binary" options notnull false default "unknown" length 100 name "fa_description_id" type "bigint" options unsigned true notnull true name "fa_actor" type "bigint" options unsigned true notnull true name "fa_timestamp" type "mwtimestamp" options notnull false name "fa_deleted" comment "Visibility of deleted revisions, bitfield" type "mwtinyint" options unsigned true notnull true default 0 name "fa_sha1" comment "sha1 hash of file content" type "binary" options notnull true default "" length 32 indexes name "fa_name" comment "pick out by image name" columns "fa_name" "fa_timestamp" unique false name "fa_storage_group" comment "pick out dupe files" columns "fa_storage_group" "fa_storage_key" unique false name "fa_deleted_timestamp" comment "sort by deletion time" columns "fa_deleted_timestamp" unique false name "fa_actor_timestamp" comment "sort by uploader" columns "fa_actor" "fa_timestamp" unique false name "fa_sha1" comment "find file by sha1, 10 bytes will be enough for hashes to be indexed" columns "fa_sha1" unique false options lengths 10 pk "fa_id" name "text" comment "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. This table can also hold metadata of files if the metadata is too big to store in img_metadata, oi_metadata or fa_metadata." columns name "old_id" comment "Unique text storage key number. Note that the 'oldid' parameter used in URLs does *not* refer to this number anymore, but to rev_id. content.content_address refers to this column. Also img_metadata, oi_metadata or fa_metadata can refer to this column when being used to store file metadata." type "integer" options autoincrement true unsigned true notnull true name "old_text" comment "Depending on the contents of the old_flags field, the text may be convenient plain text, or it may be funkily encoded." type "blob" options notnull true length 16777215 name "old_flags" comment "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." type "blob" options notnull true length 255 indexes Empty array pk "old_id" name "oldimage" comment "Previous revisions of uploaded files. Awkwardly, image rows have to be moved into this table at re-upload time." columns name "oi_name" comment "Base filename: key to image.img_name" type "binary" options notnull true default "" length 255 name "oi_archive_name" comment "Filename of the archived file. This is generally a timestamp and '!' prepended to the base name." type "binary" options notnull true default "" length 255 name "oi_size" type "integer" options unsigned true notnull true default 0 name "oi_width" type "integer" options notnull true default 0 name "oi_height" type "integer" options notnull true default 0 name "oi_bits" type "integer" options notnull true default 0 name "oi_description_id" type "bigint" options unsigned true notnull true name "oi_actor" type "bigint" options unsigned true notnull true name "oi_timestamp" type "mwtimestamp" options notnull true name "oi_metadata" type "blob" options notnull true length 16777215 name "oi_media_type" type "mwenum" options notnull false default null CustomSchemaOptions enum_values "UNKNOWN" "BITMAP" "DRAWING" "AUDIO" "VIDEO" "MULTIMEDIA" "OFFICE" "TEXT" "EXECUTABLE" "ARCHIVE" "3D" name "oi_major_mime" type "mwenum" options notnull true default "unknown" CustomSchemaOptions enum_values "unknown" "application" "audio" "image" "text" "video" "message" "model" "multipart" "chemical" name "oi_minor_mime" type "binary" options notnull true default "unknown" length 100 name "oi_deleted" type "mwtinyint" options unsigned true notnull true default 0 name "oi_sha1" type "binary" options notnull true default "" length 32 indexes name "oi_actor_timestamp" columns "oi_actor" "oi_timestamp" unique false name "oi_name_timestamp" columns "oi_name" "oi_timestamp" unique false name "oi_name_archive_name" comment "oi_archive_name truncated to 14 to avoid key length overflow" columns "oi_name" "oi_archive_name" unique false options lengths null 14 name "oi_sha1" columns "oi_sha1" unique false options lengths 10 name "oi_timestamp" comment "Used by Special:ListFiles" columns "oi_timestamp" unique false name "objectcache" comment "For a few generic cache operations if not using Memcached" columns name "keyname" type "binary" options notnull true default "" length 255 name "value" type "blob" options notnull false length 16777215 name "exptime" type "mwtimestamp" options notnull true name "modtoken" type "string" options notnull true length 17 default "00000000000000000" name "flags" type "integer" options notnull false unsigned true default null indexes name "exptime" columns "exptime" unique false pk "keyname" name "ipblocks" comment "Blocks against user accounts, IP addresses and IP ranges." columns name "ipb_id" comment "Primary key, introduced for privacy." type "integer" options autoincrement true notnull true name "ipb_address" comment "Blocked IP address in dotted-quad form or user name." type "blob" options notnull true length 255 name "ipb_user" comment "Blocked user ID or 0 for IP blocks." type "integer" options unsigned true notnull true default 0 name "ipb_by_actor" comment "Actor who made the block." type "bigint" options unsigned true notnull true name "ipb_reason_id" comment "Key to comment_id. Text comment made by blocker." type "bigint" options unsigned true notnull true name "ipb_timestamp" comment "Creation (or refresh) date in standard YMDHMS form. IP blocks expire automatically." type "mwtimestamp" options notnull true name "ipb_auto" comment "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." type "mwtinyint" options notnull true length 1 default 0 name "ipb_anon_only" comment "If set to 1, block applies only to logged-out users" type "mwtinyint" options notnull true length 1 default 0 name "ipb_create_account" comment "Block prevents account creation from matching IP addresses" type "mwtinyint" options notnull true length 1 default 1 name "ipb_enable_autoblock" comment "Block triggers autoblocks" type "mwtinyint" options notnull true length 1 default 1 name "ipb_expiry" comment "Time at which the block will expire. May be "infinity"" type "mwtimestamp" options notnull true CustomSchemaOptions allowInfinite true name "ipb_range_start" comment "Start of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504)." type "blob" options notnull true length 255 name "ipb_range_end" comment "End of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504)." type "blob" options notnull true length 255 name "ipb_deleted" comment "Flag for entries hidden from users and Sysops" type "mwtinyint" options notnull true length 1 default 0 name "ipb_block_email" comment "Block prevents user from accessing Special:Emailuser" type "mwtinyint" options notnull true length 1 default 0 name "ipb_allow_usertalk" comment "Block allows user to edit their own talk page" type "mwtinyint" options notnull true length 1 default 0 name "ipb_parent_block_id" comment "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" type "integer" options notnull false default null name "ipb_sitewide" comment "Block user from editing any page on the site (other than their own user talk page)." type "mwtinyint" options notnull true length 1 default 1 indexes name "ipb_address_unique" comment "Unique index to support "user already blocked" messages. Any new options which prevent collisions should be included" columns "ipb_address" "ipb_user" "ipb_auto" unique true options lengths 255 null null name "ipb_user" comment "For querying whether a logged-in user is blocked" columns "ipb_user" unique false name "ipb_range" comment "For querying whether an IP address is in any range" columns "ipb_range_start" "ipb_range_end" unique false options lengths 8 8 name "ipb_timestamp" comment "Index for Special:BlockList" columns "ipb_timestamp" unique false name "ipb_expiry" comment "Index for table pruning" columns "ipb_expiry" unique false name "ipb_parent_block_id" comment "Index for removing autoblocks when a parent block is removed" columns "ipb_parent_block_id" unique false pk "ipb_id" name "image" comment "Uploaded images and other files." columns name "img_name" comment "Filename. This is also the title of the associated description page, which will be in namespace 6 (NS_FILE)." type "binary" options notnull true default "" length 255 name "img_size" comment "File size in bytes." type "integer" options unsigned true notnull true default 0 name "img_width" comment "For images, width in pixels." type "integer" options notnull true default 0 name "img_height" comment "For images, height in pixels." type "integer" options notnull true default 0 name "img_metadata" comment "Extracted Exif metadata stored as a json array (new system) or serialized PHP array (old system). The json array can contain an address in the text table or external storage." type "blob" options notnull true length 16777215 name "img_bits" comment "For images, bits per pixel if known." type "integer" options notnull true default 0 name "img_media_type" comment "Media type as defined by the MEDIATYPE_xxx constants" type "mwenum" options notnull false default null CustomSchemaOptions enum_values "UNKNOWN" "BITMAP" "DRAWING" "AUDIO" "VIDEO" "MULTIMEDIA" "OFFICE" "TEXT" "EXECUTABLE" "ARCHIVE" "3D" name "img_major_mime" comment "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" type "mwenum" options notnull true default "unknown" CustomSchemaOptions enum_values "unknown" "application" "audio" "image" "text" "video" "message" "model" "multipart" "chemical" name "img_minor_mime" comment "minor part of a MIME media type as defined by IANA the minor parts are not required to adhere to any standard but should be consistent throughout the database see https://www.iana.org/assignments/media-types/" type "binary" options notnull true default "unknown" length 100 name "img_description_id" comment "Foreign key to comment table, which contains the description field as entered by the uploader. This is displayed in image upload history and logs." type "bigint" options unsigned true notnull true name "img_actor" comment "actor_id of the uploader." type "bigint" options unsigned true notnull true name "img_timestamp" comment "Time of the upload." type "mwtimestamp" options notnull true name "img_sha1" comment "SHA-1 content hash in base-36" type "binary" options notnull true default "" length 32 indexes name "img_actor_timestamp" comment "Used by Special:Newimages and ApiQueryAllImages" columns "img_actor" "img_timestamp" unique false name "img_size" comment "Used by Special:ListFiles for sort-by-size" columns "img_size" unique false name "img_timestamp" comment "Used by Special:Newimages and Special:ListFiles" columns "img_timestamp" unique false name "img_sha1" comment "Used in API and duplicate search" columns "img_sha1" unique false options lengths 10 name "img_media_mime" comment "Used to get media of one type" columns "img_media_type" "img_major_mime" "img_minor_mime" unique false pk "img_name" name "recentchanges" comment "Primarily a summary table for Special:RecentChanges, this table contains some additional info on edits from the last few days" columns name "rc_id" type "integer" options autoincrement true unsigned true notnull true name "rc_timestamp" type "mwtimestamp" options notnull true name "rc_actor" comment "As in revision" type "bigint" options unsigned true notnull true name "rc_namespace" comment "When pages are renamed, their RC entries do _not_ change." type "integer" options notnull true default 0 name "rc_title" type "binary" options notnull true default "" length 255 name "rc_comment_id" comment "as in revision..." type "bigint" options unsigned true notnull true name "rc_minor" type "mwtinyint" options unsigned true notnull true default 0 name "rc_bot" comment "Edits by user accounts with the 'bot' rights key are marked with a 1 here, and will be hidden from the default view." type "mwtinyint" options unsigned true notnull true default 0 name "rc_new" comment "Set if this change corresponds to a page creation" type "mwtinyint" options unsigned true notnull true default 0 name "rc_cur_id" comment "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." type "integer" options unsigned true notnull true default 0 name "rc_this_oldid" comment "rev_id of the given revision" type "integer" options unsigned true notnull true default 0 name "rc_last_oldid" comment "rev_id of the prior revision, for generating diff links." type "integer" options unsigned true notnull true default 0 name "rc_type" comment "The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)" type "mwtinyint" options unsigned true notnull true default 0 name "rc_source" comment "The source of the change entry (replaces rc_type) default of '' is temporary, needed for initial migration" type "binary" options notnull true default "" length 16 name "rc_patrolled" comment "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." type "mwtinyint" options unsigned true notnull true default 0 name "rc_ip" comment "Recorded IP address the edit was made from, if the $wgPutIPinRC option is enabled." type "binary" options notnull true default "" length 40 name "rc_old_len" comment "Text length in characters before the edit" type "integer" options notnull false name "rc_new_len" comment "Text length in characters after the edit" type "integer" options notnull false name "rc_deleted" comment "Visibility of recent changes items, bitfield" type "mwtinyint" options unsigned true notnull true default 0 name "rc_logid" comment "Value corresponding to log_id, specific log entries" type "integer" options unsigned true notnull true default 0 name "rc_log_type" comment "Store log type info here, or null" type "binary" options notnull false default null length 255 name "rc_log_action" comment "Store log action or null" type "binary" options notnull false default null length 255 name "rc_params" comment "Log params" type "blob" options notnull false length 65535 indexes name "rc_timestamp" comment "Special:Recentchanges" columns "rc_timestamp" unique false name "rc_namespace_title_timestamp" comment "Special:Watchlist" columns "rc_namespace" "rc_title" "rc_timestamp" unique false name "rc_cur_id" comment "Special:Recentchangeslinked when finding changes in pages linked from a page" columns "rc_cur_id" unique false name "rc_new_name_timestamp" comment "Special:Newpages" columns "rc_new" "rc_namespace" "rc_timestamp" unique false name "rc_ip" comment "Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions, but mostly replaced by CheckUser." columns "rc_ip" unique false name "rc_ns_actor" comment "Probably intended for Special:NewPages namespace filter" columns "rc_namespace" "rc_actor" unique false name "rc_actor" comment "SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter" columns "rc_actor" "rc_timestamp" unique false name "rc_name_type_patrolled_timestamp" comment "ApiQueryRecentChanges (T140108)" columns "rc_namespace" "rc_type" "rc_patrolled" "rc_timestamp" unique false name "rc_this_oldid" comment "Article.php and friends (T139012)" columns "rc_this_oldid" unique false pk "rc_id" name "archive" comment "Archive area for deleted pages and their revisions. These may be viewed (and restored) by admins through the Special:Undelete interface." columns name "ar_id" comment "Primary key" type "integer" options autoincrement true unsigned true notnull true name "ar_namespace" comment "Copied from page_namespace" type "integer" options notnull true default 0 name "ar_title" comment "Copied from page_title" type "binary" options notnull true default "" length 255 name "ar_comment_id" comment "Basic revision stuff." type "bigint" options unsigned true notnull true name "ar_actor" comment "Basic revision stuff." type "bigint" options unsigned true notnull true name "ar_timestamp" comment "Basic revision stuff." type "mwtimestamp" options notnull true name "ar_minor_edit" comment "Basic revision stuff." type "mwtinyint" options notnull true default 0 name "ar_rev_id" comment "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." type "integer" options unsigned true notnull true name "ar_deleted" comment "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" type "mwtinyint" options unsigned true notnull true default 0 name "ar_len" comment "Copied from rev_len, length of this revision in bytes. @since 1.10" type "integer" options unsigned true notnull false name "ar_page_id" comment "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." type "integer" options unsigned true notnull false name "ar_parent_id" comment "Copied from rev_parent_id. @since 1.13" type "integer" options unsigned true notnull false default null name "ar_sha1" comment "Copied from rev_sha1, SHA-1 text content hash in base-36 @since 1.19" type "binary" options notnull true default "" length 32 indexes name "ar_name_title_timestamp" comment "Index for Special:Undelete to page through deleted revisions" columns "ar_namespace" "ar_title" "ar_timestamp" unique false name "ar_actor_timestamp" comment "Index for Special:DeletedContributions" columns "ar_actor" "ar_timestamp" unique false name "ar_revid_uniq" comment "Index for linking archive rows with tables that normally link with revision rows, such as change_tag." columns "ar_rev_id" unique true pk "ar_id" name "page" comment "Core of the wiki: each page has an entry here which identifies it by title and contains some essential metadata." columns name "page_id" comment "Unique identifier number. The page_id will be preserved across edits and rename operations, but not deletions and recreations." type "integer" options unsigned true notnull true autoincrement true name "page_namespace" comment "A page name is broken into a namespace and a title. The namespace keys are UI-language-independent constants, defined in includes/Defines.php" type "integer" options notnull true name "page_title" comment "The rest of the title, as text. Spaces are transformed into underscores in title storage." type "binary" options notnull true length 255 name "page_restrictions" comment "Comma-separated set of permission keys indicating who can move or edit the page." type "blob" options notnull false length 255 name "page_is_redirect" comment "1 indicates the article is a redirect." type "mwtinyint" options notnull true unsigned true default 0 name "page_is_new" comment "1 indicates this is a new entry, with only one edit. Not all pages with one edit are new pages." type "mwtinyint" options notnull true unsigned true default 0 name "page_random" comment "Random value between 0 and 1, used for Special:Randompage" type "float" options notnull true unsigned true CustomSchemaOptions doublePrecision true name "page_touched" comment "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." type "mwtimestamp" options notnull true name "page_links_updated" comment "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." type "mwtimestamp" options notnull false default null CustomSchemaOptions allowInfinite true name "page_latest" comment "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." type "integer" options unsigned true notnull true name "page_len" comment "Uncompressed length in bytes of the page's current source text." type "integer" options unsigned true notnull true name "page_content_model" comment "content model, see CONTENT_MODEL_XXX constants" type "binary" options length 32 notnull false name "page_lang" comment "Page content language" type "binary" options length 35 notnull false indexes name "page_name_title" columns "page_namespace" "page_title" comment "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." unique true name "page_random" columns "page_random" comment "Index for Special:Random" unique false name "page_len" columns "page_len" comment "Questionable utility, used by ProofreadPage, possibly DynamicPageList. ApiQueryAllPages unconditionally filters on namespace and so hopefully does not use it." unique false name "page_redirect_namespace_len" columns "page_is_redirect" "page_namespace" "page_len" comment "The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles() in 'comma' counting mode, MessageCache::loadFromDB()." unique false pk "page_id" name "user" comment "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 even when an external authentication plugin is in use, user table entries still need to be created to store preferences and to key tracking information in the other tables" columns name "user_id" type "integer" options unsigned true notnull true autoincrement true name "user_name" comment "Usernames must be unique, must not be in the form of an IP address. They should not allow slashes or case conflicts. Spaces are allowed, and are not converted to underscores like in page titles." type "binary" options notnull true length 255 default "" name "user_real_name" comment "Optional 'real name' to be displayed in credit listings" type "binary" options notnull true length 255 default "" name "user_password" comment "Password hashes" type "blob" options notnull true length 255 name "user_newpassword" comment "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." type "blob" options notnull true length 255 name "user_newpass_time" comment "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." type "mwtimestamp" options notnull false name "user_email" comment "User email. Non public info." type "text" options notnull true length 255 name "user_touched" comment "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." type "mwtimestamp" options notnull true name "user_token" comment "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)" type "binary" options notnull true default "" length 32 fixed true name "user_email_authenticated" comment "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." type "mwtimestamp" options notnull false name "user_email_token" comment "Randomly generated token created when the e-mail address is set and a confirmation test mail sent." type "binary" options notnull false length 32 fixed true name "user_email_token_expires" comment "Expiration date for the user_email_token." type "mwtimestamp" options notnull false name "user_registration" comment "Timestamp of account registration. Accounts predating this schema addition may contain NULL." type "mwtimestamp" options notnull false name "user_editcount" comment "Count of edits and edit-like actions. Not intended to be an accurate copy of 'COUNT(*) WHERE rev_actor refers to a user's actor_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." type "integer" options notnull false name "user_password_expires" comment "Expiration date for user password." type "mwtimestamp" options notnull false CustomSchemaOptions allowInfinite true indexes name "user_name" columns "user_name" unique true name "user_email_token" columns "user_email_token" unique false name "user_email" columns "user_email" unique false options lengths 50 null null pk "user_id" name "revision" comment "Every edit of a page creates also a revision row. This stores metadata about the revision, and a reference to the text storage backend." columns name "rev_id" comment "Unique ID to identify each revision" type "integer" options unsigned true notnull true autoincrement true name "rev_page" comment "Key to page_id. This should never be invalid" type "integer" options unsigned true notnull true name "rev_comment_id" comment "Key to comment.comment_id. Comment summarizing the change" type "bigint" options unsigned true notnull true default 0 name "rev_actor" comment "Key to actor.actor_id of the user or IP who made this edit" type "bigint" options unsigned true notnull true default 0 name "rev_timestamp" comment "Timestamp of when revision was created" type "mwtimestamp" options notnull true name "rev_minor_edit" comment "Records whether the user marked the 'minor edit' checkbox. Many automated edits are marked as minor" type "mwtinyint" options notnull true unsigned true default 0 name "rev_deleted" comment "Restrictions on who can access this revision" type "mwtinyint" options notnull true unsigned true default 0 name "rev_len" comment "Length of this revision in bytes" type "integer" options unsigned true notnull false name "rev_parent_id" comment "Key to revision.rev_id. This field is used to add support for a tree structure (The Adjacency List Model)" type "integer" options unsigned true notnull false name "rev_sha1" comment "SHA-1 text content hash in base-36" type "binary" options length 32 notnull true default "" indexes name "rev_timestamp" columns "rev_timestamp" comment "Used by ApiQueryAllRevisions" unique false name "rev_page_timestamp" columns "rev_page" "rev_timestamp" comment "History index" unique false name "rev_actor_timestamp" columns "rev_actor" "rev_timestamp" "rev_id" comment "User contributions index" unique false name "rev_page_actor_timestamp" columns "rev_page" "rev_actor" "rev_timestamp" comment "Credits index. This is scanned in order to compile credits lists for pages, in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified" unique false pk "rev_id" name "searchindex" comment "search backend, this is actively used in MySQL but created and not used in Postgres while there are plans to use it in the future (T220450). This table must be MyISAM in MySQL; InnoDB does not support the needed fulltext index." columns name "si_page" comment "Key to page_id" type "integer" options unsigned true notnull true name "si_title" comment "Munged version of title" type "string" options length 255 notnull true default "" name "si_text" comment "Munged version of body text" type "text" options notnull true length 16777215 indexes name "si_page" columns "si_page" unique true name "si_title" columns "si_title" unique false flags "fulltext" name "si_text" columns "si_text" unique false flags "fulltext" pk Empty array table_options "ENGINE=MyISAM" "DEFAULT CHARSET=utf8" name "linktarget" comment "Holds immutable records of link targets, used mostly for links tables." columns name "lt_id" comment "primary key" type "bigint" options unsigned true notnull true autoincrement true name "lt_namespace" comment "Namespace of the link target" type "integer" options notnull true name "lt_title" comment "Text part of link target excluding namespace" type "binary" options length 255 notnull true indexes name "lt_namespace_title" columns "lt_namespace" "lt_title" unique true pk "lt_id"