diff options
Diffstat (limited to 'maintenance/tables.sql')
| -rw-r--r-- | maintenance/tables.sql | 188 |
1 files changed, 143 insertions, 45 deletions
diff --git a/maintenance/tables.sql b/maintenance/tables.sql index 52b835fd..de92ef53 100644 --- a/maintenance/tables.sql +++ b/maintenance/tables.sql @@ -86,10 +86,12 @@ CREATE TABLE /*_*/user ( -- Same with passwords. user_email tinytext NOT NULL, - -- This is a timestamp which is updated when a user - -- logs in, logs out, changes preferences, or performs - -- some other action requiring HTML cache invalidation - -- to ensure that the UI is updated. + -- If the browser sends an If-Modified-Since header, a 304 response is + -- suppressed if the value in this field for the current user is later than + -- the value in the IMS header. That is, this field is an invalidation timestamp + -- for the browser cache of logged-in users. Among other things, it is used + -- to prevent pages generated for a previously logged in user from being + -- displayed after a session expiry followed by a fresh login. user_touched binary(14) NOT NULL default '', -- A pseudorandomly generated value that is stored in @@ -152,7 +154,7 @@ CREATE TABLE /*_*/user_groups ( -- with particular permissions. A user will have the combined -- permissions of any group they're explicitly in, plus -- the implicit '*' and 'user' groups. - ug_group varbinary(32) NOT NULL default '' + ug_group varbinary(255) NOT NULL default '' ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/ug_user_group ON /*_*/user_groups (ug_user,ug_group); @@ -164,7 +166,7 @@ CREATE INDEX /*i*/ug_group ON /*_*/user_groups (ug_group); CREATE TABLE /*_*/user_former_groups ( -- Key to user_id ufg_user int unsigned NOT NULL default 0, - ufg_group varbinary(32) NOT NULL default '' + ufg_group varbinary(255) NOT NULL default '' ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/ufg_user_group ON /*_*/user_former_groups (ufg_user,ufg_group); @@ -260,7 +262,10 @@ CREATE TABLE /*_*/page ( page_latest int unsigned NOT NULL, -- Uncompressed length in bytes of the page's current source text. - page_len int unsigned NOT NULL + page_len int unsigned NOT NULL, + + -- content model, see CONTENT_MODEL_XXX constants + page_content_model varbinary(32) DEFAULT NULL ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title); @@ -316,7 +321,13 @@ CREATE TABLE /*_*/revision ( rev_parent_id int unsigned default NULL, -- SHA-1 text content hash in base-36 - rev_sha1 varbinary(32) NOT NULL default '' + rev_sha1 varbinary(32) NOT NULL default '', + + -- content model, see CONTENT_MODEL_XXX constants + rev_content_model varbinary(32) DEFAULT NULL, + + -- content format, see CONTENT_FORMAT_XXX constants + rev_content_format varbinary(64) DEFAULT NULL ) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024; -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit @@ -369,6 +380,8 @@ CREATE TABLE /*_*/text ( -- fields, with several caveats. -- CREATE TABLE /*_*/archive ( + -- Primary key + ar_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, ar_namespace int NOT NULL default 0, ar_title varchar(255) binary NOT NULL default '', @@ -427,7 +440,13 @@ CREATE TABLE /*_*/archive ( ar_parent_id int unsigned default NULL, -- SHA-1 text content hash in base-36 - ar_sha1 varbinary(32) NOT NULL default '' + ar_sha1 varbinary(32) NOT NULL default '', + + -- content model, see CONTENT_MODEL_XXX constants + ar_content_model varbinary(32) DEFAULT NULL, + + -- content format, see CONTENT_FORMAT_XXX constants + ar_content_format varbinary(64) DEFAULT NULL ) /*$wgDBTableOptions*/; CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp); @@ -544,10 +563,10 @@ CREATE UNIQUE INDEX /*i*/cl_from ON /*_*/categorylinks (cl_from,cl_to); -- callers won't be using an index: fix this? CREATE INDEX /*i*/cl_sortkey ON /*_*/categorylinks (cl_to,cl_type,cl_sortkey,cl_from); --- Not really used? +-- Used by the API (and some extensions) CREATE INDEX /*i*/cl_timestamp ON /*_*/categorylinks (cl_to,cl_timestamp); --- For finding rows with outdated collation +-- FIXME: Not used, delete this CREATE INDEX /*i*/cl_collation ON /*_*/categorylinks (cl_collation); -- @@ -584,6 +603,9 @@ CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages); -- Track links to external URLs -- CREATE TABLE /*_*/externallinks ( + -- Primary key + el_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, + -- page_id of the referring page el_from int unsigned NOT NULL default 0, @@ -608,21 +630,6 @@ CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from, el_to(40)); CREATE INDEX /*i*/el_to ON /*_*/externallinks (el_to(60), el_from); CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index(60)); - --- --- Track external user accounts, if ExternalAuth is used --- -CREATE TABLE /*_*/external_user ( - -- Foreign key to user_id - eu_local_id int unsigned NOT NULL PRIMARY KEY, - - -- Some opaque identifier provided by the external database - eu_external_id varchar(255) binary NOT NULL -) /*$wgDBTableOptions*/; - -CREATE UNIQUE INDEX /*i*/eu_external_id ON /*_*/external_user (eu_external_id); - - -- -- Track interlanguage links -- @@ -656,7 +663,8 @@ CREATE TABLE /*_*/iwlinks ( ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/iwl_from ON /*_*/iwlinks (iwl_from, iwl_prefix, iwl_title); -CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from ON /*_*/iwlinks (iwl_prefix, iwl_title, iwl_from); +CREATE INDEX /*i*/iwl_prefix_title_from ON /*_*/iwlinks (iwl_prefix, iwl_title, iwl_from); +CREATE INDEX /*i*/iwl_prefix_from_title ON /*_*/iwlinks (iwl_prefix, iwl_from, iwl_title); -- @@ -689,9 +697,6 @@ CREATE TABLE /*_*/site_stats ( -- Number of users that still edit ss_active_users bigint default '-1', - -- Deprecated, no longer updated as of 1.5 - ss_admins int default '-1', - -- Number of images, equivalent to SELECT COUNT(*) FROM image ss_images int default 0 ) /*$wgDBTableOptions*/; @@ -759,6 +764,9 @@ CREATE TABLE /*_*/ipblocks ( -- Start and end of an address range, in hexadecimal -- Size chosen to allow IPv6 + -- FIXME: these fields were originally blank for single-IP blocks, + -- but now they are populated. No migration was ever done. They + -- should be fixed to be blank again for such blocks (bug 49504). ipb_range_start tinyblob NOT NULL, ipb_range_end tinyblob NOT NULL, @@ -806,7 +814,7 @@ CREATE TABLE /*_*/image ( img_width int NOT NULL default 0, img_height int NOT NULL default 0, - -- Extracted EXIF metadata stored as a serialized PHP array. + -- Extracted Exif metadata stored as a serialized PHP array. img_metadata mediumblob NOT NULL, -- For images, bits per pixel if known. @@ -846,7 +854,9 @@ CREATE INDEX /*i*/img_size ON /*_*/image (img_size); -- Used by Special:Newimages and Special:ListFiles CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp); -- Used in API and duplicate search -CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1); +CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1(10)); +-- Used to get media of one type +CREATE INDEX /*i*/img_media_mime ON /*_*/image (img_media_type,img_major_mime,img_minor_mime); -- @@ -884,7 +894,7 @@ CREATE INDEX /*i*/oi_usertext_timestamp ON /*_*/oldimage (oi_user_text,oi_timest CREATE INDEX /*i*/oi_name_timestamp ON /*_*/oldimage (oi_name,oi_timestamp); -- oi_archive_name truncated to 14 to avoid key length overflow CREATE INDEX /*i*/oi_name_archive_name ON /*_*/oldimage (oi_name,oi_archive_name(14)); -CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1); +CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1(10)); -- @@ -932,7 +942,10 @@ CREATE TABLE /*_*/filearchive ( fa_timestamp binary(14) default '', -- Visibility of deleted revisions, bitfield - fa_deleted tinyint unsigned NOT NULL default 0 + fa_deleted tinyint unsigned NOT NULL default 0, + + -- sha1 hash of file content + fa_sha1 varbinary(32) NOT NULL default '' ) /*$wgDBTableOptions*/; -- pick out by image name @@ -943,6 +956,8 @@ CREATE INDEX /*i*/fa_storage_group ON /*_*/filearchive (fa_storage_group, fa_sto CREATE INDEX /*i*/fa_deleted_timestamp ON /*_*/filearchive (fa_deleted_timestamp); -- sort by uploader CREATE INDEX /*i*/fa_user_timestamp ON /*_*/filearchive (fa_user_text,fa_timestamp); +-- find file by sha1, 10 bytes will be enough for hashes to be indexed +CREATE INDEX /*i*/fa_sha1 ON /*_*/filearchive (fa_sha1(10)); -- @@ -976,8 +991,10 @@ CREATE TABLE /*_*/uploadstash ( -- chunk counter starts at 0, current offset is stored in us_size us_chunk_inx int unsigned NULL, - -- file properties from File::getPropsFromPath. these may prove unnecessary. - -- + -- Serialized file properties from File::getPropsFromPath + us_props blob, + + -- file size in bytes us_size int unsigned NOT NULL, -- this hash comes from File::sha1Base36(), and is 31 characters us_sha1 varchar(31) NOT NULL, @@ -1042,13 +1059,9 @@ CREATE TABLE /*_*/recentchanges ( -- rev_id of the prior revision, for generating diff links. rc_last_oldid int unsigned NOT NULL default 0, - -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG) + -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL) rc_type tinyint unsigned NOT NULL default 0, - -- These may no longer be used, with the new move log. - rc_moved_to_ns tinyint unsigned NOT NULL default 0, - rc_moved_to_title varchar(255) binary NOT NULL default '', - -- If the Recent Changes Patrol option is enabled, -- users may mark edits as having been reviewed to -- remove a warning flag on the RC list. @@ -1067,7 +1080,7 @@ CREATE TABLE /*_*/recentchanges ( -- Visibility of recent changes items, bitfield rc_deleted tinyint unsigned NOT NULL default 0, - -- Value corresonding to log_id, specific log entries + -- Value corresponding to log_id, specific log entries rc_logid int unsigned NOT NULL default 0, -- Store log type info here, or null rc_log_type varbinary(255) NULL default NULL, @@ -1123,7 +1136,7 @@ CREATE TABLE /*_*/searchindex ( -- Munged version of body text si_text mediumtext NOT NULL -) ENGINE=MyISAM; +) ENGINE=MyISAM DEFAULT CHARSET=utf8; CREATE UNIQUE INDEX /*i*/si_page ON /*_*/searchindex (si_page); CREATE FULLTEXT INDEX /*i*/si_title ON /*_*/searchindex (si_title); @@ -1228,7 +1241,8 @@ CREATE TABLE /*_*/logging ( -- Freeform text. Interpreted as edit history comments. log_comment varchar(255) NOT NULL default '', - -- LF separated list of miscellaneous parameters + -- miscellaneous parameters: + -- LF separated list (old system) or serialized PHP array (new system) log_params blob NOT NULL, -- rev_deleted for logs @@ -1275,9 +1289,27 @@ CREATE TABLE /*_*/job ( -- Any other parameters to the command -- Stored as a PHP serialized array, or an empty string if there are no parameters - job_params blob NOT NULL + job_params blob NOT NULL, + + -- Random, non-unique, number used for job acquisition (for lock concurrency) + job_random integer unsigned NOT NULL default 0, + + -- The number of times this job has been locked + job_attempts integer unsigned NOT NULL default 0, + + -- Field that conveys process locks on rows via process UUIDs + job_token varbinary(32) NOT NULL default '', + + -- Timestamp when the job was locked + job_token_timestamp varbinary(14) NULL default NULL, + + -- Base 36 SHA1 of the job parameters relevant to detecting duplicates + job_sha1 varbinary(32) NOT NULL default '' ) /*$wgDBTableOptions*/; +CREATE INDEX /*i*/job_sha1 ON /*_*/job (job_sha1); +CREATE INDEX /*i*/job_cmd_token ON /*_*/job (job_cmd,job_token,job_random); +CREATE INDEX /*i*/job_cmd_token_id ON /*_*/job (job_cmd,job_token,job_id); CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title, job_params(128)); CREATE INDEX /*i*/job_timestamp ON /*_*/job (job_timestamp); @@ -1382,6 +1414,7 @@ CREATE TABLE /*_*/page_props ( ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/pp_page_propname ON /*_*/page_props (pp_page,pp_propname); +CREATE UNIQUE INDEX /*i*/pp_propname_page ON /*_*/page_props (pp_propname,pp_page); -- A table to log updates, one text key row per update. @@ -1479,4 +1512,69 @@ CREATE TABLE /*_*/module_deps ( ) /*$wgDBTableOptions*/; CREATE UNIQUE INDEX /*i*/md_module_skin ON /*_*/module_deps (md_module, md_skin); +-- Holds all the sites known to the wiki. +CREATE TABLE /*_*/sites ( +-- Numeric id of the site + site_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, + + -- Global identifier for the site, ie 'enwiktionary' + site_global_key varbinary(32) NOT NULL, + + -- Type of the site, ie 'mediawiki' + site_type varbinary(32) NOT NULL, + + -- Group of the site, ie 'wikipedia' + site_group varbinary(32) NOT NULL, + + -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo' + site_source varbinary(32) NOT NULL, + + -- Language code of the sites primary language. + site_language varbinary(32) NOT NULL, + + -- Protocol of the site, ie 'http://', 'irc://', '//' + -- This field is an index for lookups and is build from type specific data in site_data. + site_protocol varbinary(32) NOT NULL, + + -- Domain of the site in reverse order, ie 'org.mediawiki.www.' + -- This field is an index for lookups and is build from type specific data in site_data. + site_domain VARCHAR(255) NOT NULL, + + -- Type dependent site data. + site_data BLOB NOT NULL, + + -- If site.tld/path/key:pageTitle should forward users to the page on + -- the actual site, where "key" is the local identifier. + site_forward bool NOT NULL, + + -- Type dependent site config. + -- For instance if template transclusion should be allowed if it's a MediaWiki. + site_config BLOB NOT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/sites_global_key ON /*_*/sites (site_global_key); +CREATE INDEX /*i*/sites_type ON /*_*/sites (site_type); +CREATE INDEX /*i*/sites_group ON /*_*/sites (site_group); +CREATE INDEX /*i*/sites_source ON /*_*/sites (site_source); +CREATE INDEX /*i*/sites_language ON /*_*/sites (site_language); +CREATE INDEX /*i*/sites_protocol ON /*_*/sites (site_protocol); +CREATE INDEX /*i*/sites_domain ON /*_*/sites (site_domain); +CREATE INDEX /*i*/sites_forward ON /*_*/sites (site_forward); + +-- Links local site identifiers to their corresponding site. +CREATE TABLE /*_*/site_identifiers ( + -- Key on site.site_id + si_site INT UNSIGNED NOT NULL, + + -- local key type, ie 'interwiki' or 'langlink' + si_type varbinary(32) NOT NULL, + + -- local key value, ie 'en' or 'wiktionary' + si_key varbinary(32) NOT NULL +) /*$wgDBTableOptions*/; + +CREATE UNIQUE INDEX /*i*/site_ids_type ON /*_*/site_identifiers (si_type, si_key); +CREATE INDEX /*i*/site_ids_site ON /*_*/site_identifiers (si_site); +CREATE INDEX /*i*/site_ids_key ON /*_*/site_identifiers (si_key); + -- vim: sw=2 sts=2 et |