// Should have been in 1.30
[ 'addTable', 'comment', 'patch-comment-table.sql' ],
+ // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
+ [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
+ // Should have been in 1.30
[ 'migrateComments' ],
// 1.31
[ 'addTable', 'slots', 'patch-slots.sql' ],
+ [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
[ 'addTable', 'content', 'patch-content.sql' ],
[ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
[ 'addTable', 'content_models', 'patch-content_models.sql' ],
[ 'migrateArchiveText' ],
[ 'addTable', 'actor', 'patch-actor-table.sql' ],
[ 'migrateActors' ],
+ [ 'modifyField', 'revision', 'rev_text_id', 'patch-rev_text_id-default.sql' ],
+ [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
];
}
[ 'renameIndex', 'user_properties', 'user_properties_user_property', 'PRIMARY', false,
'patch-user_properties-fix-pk.sql' ],
[ 'addTable', 'comment', 'patch-comment-table.sql' ],
+
+ // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
+ [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
+
[ 'migrateComments' ],
[ 'renameIndex', 'l10n_cache', 'lc_lang_key', 'PRIMARY', false,
'patch-l10n_cache-primary-key.sql' ],
// 1.31
[ 'addTable', 'slots', 'patch-slots.sql' ],
+ [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
[ 'addTable', 'content', 'patch-content.sql' ],
[ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
[ 'addTable', 'content_models', 'patch-content_models.sql' ],
[ 'migrateArchiveText' ],
[ 'addTable', 'actor', 'patch-actor-table.sql' ],
[ 'migrateActors' ],
+ [ 'modifyField', 'revision', 'rev_text_id', 'patch-rev_text_id-default.sql' ],
+ [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
];
}
// Should have been in 1.30
[ 'addTable', 'comment', 'patch-comment-table.sql' ],
+ // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
+ [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
+ // Should have been in 1.30
[ 'migrateComments' ],
// 1.31
[ 'addTable', 'slots', 'patch-slots.sql' ],
+ [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
[ 'addTable', 'content', 'patch-content.sql' ],
[ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
[ 'addTable', 'content_models', 'patch-content_models.sql' ],
[ 'migrateArchiveText' ],
[ 'addTable', 'actor', 'patch-actor-table.sql' ],
[ 'migrateActors' ],
+ [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
// KEEP THIS AT THE BOTTOM!!
[ 'doRebuildDuplicateFunction' ],
[ 'log_timestamp', 'timestamptz_ops', 'btree', 0 ],
],
'CREATE INDEX "logging_times" ON "logging" USING "btree" ("log_timestamp")' ],
- [ 'dropIndex', 'oldimage', 'oi_name' ],
+ [ 'dropPgIndex', 'oldimage', 'oi_name' ],
[ 'checkIndex', 'oi_name_archive_name', [
[ 'oi_name', 'text_ops', 'btree', 0 ],
[ 'oi_archive_name', 'text_ops', 'btree', 0 ],
[ 'checkOiNameConstraint' ],
[ 'checkPageDeletedTrigger' ],
[ 'checkRevUserFkey' ],
- [ 'dropIndex', 'ipblocks', 'ipb_address' ],
+ [ 'dropPgIndex', 'ipblocks', 'ipb_address' ],
[ 'checkIndex', 'ipb_address_unique', [
[ 'ipb_address', 'text_ops', 'btree', 0 ],
[ 'ipb_user', 'int4_ops', 'btree', 0 ],
[ 'changeNullableField', 'protected_titles', 'pt_reason', 'NOT NULL', true ],
[ 'addPgField', 'protected_titles', 'pt_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
[ 'addTable', 'comment', 'patch-comment-table.sql' ],
+
+ // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
+ [ 'addPgField', 'image', 'img_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
+
[ 'migrateComments' ],
[ 'addIndex', 'site_stats', 'site_stats_pkey', 'patch-site_stats-pk.sql' ],
[ 'addTable', 'ip_changes', 'patch-ip_changes.sql' ],
// 1.31
[ 'addTable', 'slots', 'patch-slots-table.sql' ],
+ [ 'dropPgIndex', 'slots', 'slot_role_inherited' ],
+ [ 'dropPgField', 'slots', 'slot_inherited' ],
+ [ 'addPgField', 'slots', 'slot_origin', 'INTEGER NOT NULL' ],
+ [
+ 'addPgIndex',
+ 'slots',
+ 'slot_revision_origin_role',
+ '( slot_revision_id, slot_origin, slot_role_id )',
+ ],
[ 'addTable', 'content', 'patch-content-table.sql' ],
[ 'addTable', 'content_models', 'patch-content_models-table.sql' ],
[ 'addTable', 'slot_roles', 'patch-slot_roles-table.sql' ],
[ 'addPgIndex', 'logging', 'logging_actor_type_time', '( log_actor, log_type, log_timestamp )' ],
[ 'addPgIndex', 'logging', 'logging_actor_time', '( log_actor, log_timestamp )' ],
[ 'migrateActors' ],
+ [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
];
}
$this->db->query( "ALTER INDEX $old RENAME TO $new" );
}
+ protected function dropPgField( $table, $field ) {
+ $fi = $this->db->fieldInfo( $table, $field );
+ if ( is_null( $fi ) ) {
+ $this->output( "...$table table does not contain $field field.\n" );
+
+ return;
+ } else {
+ $this->output( "Dropping column '$table.$field'\n" );
+ $this->db->query( "ALTER TABLE $table DROP COLUMN $field" );
+ }
+ }
+
protected function addPgField( $table, $field, $type ) {
$fi = $this->db->fieldInfo( $table, $field );
if ( !is_null( $fi ) ) {
}
}
- protected function dropIndex( $table, $index, $patch = '', $fullpath = false ) {
+ protected function dropPgIndex( $table, $index ) {
if ( $this->db->indexExists( $table, $index ) ) {
$this->output( "Dropping obsolete index '$index'\n" );
$this->db->query( "DROP INDEX \"" . $index . "\"" );
[ 'renameIndex', 'user_properties', 'user_properties_user_property', 'PRIMARY', false,
'patch-user_properties-fix-pk.sql' ],
[ 'addTable', 'comment', 'patch-comment-table.sql' ],
+
+ // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
+ [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
+
[ 'migrateComments' ],
[ 'renameIndex', 'l10n_cache', 'lc_lang_key', 'PRIMARY', false,
'patch-l10n_cache-primary-key.sql' ],
[ 'addTable', 'content', 'patch-content.sql' ],
[ 'addTable', 'content_models', 'patch-content_models.sql' ],
[ 'addTable', 'slots', 'patch-slots.sql' ],
+ [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
[ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
[ 'migrateArchiveText' ],
[ 'addTable', 'actor', 'patch-actor-table.sql' ],
[ 'migrateActors' ],
+ [ 'modifyField', 'revision', 'rev_text_id', 'patch-rev_text_id-default.sql' ],
+ [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
];
}
CREATE TABLE /*_*/revision (
rev_id INT NOT NULL UNIQUE IDENTITY(0,1),
rev_page INT NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
- rev_text_id INT NOT NULL, -- FK added later
+ rev_text_id INT NOT NULL CONSTRAINT DF_rev_text_id DEFAULT 0, -- FK added later
rev_comment NVARCHAR(255) NOT NULL CONSTRAINT DF_rev_comment DEFAULT '',
rev_user INT REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
rev_user_text NVARCHAR(255) NOT NULL DEFAULT '',
-- reference to content_id
slot_content_id bigint unsigned NOT NULL CONSTRAINT FK_slots_content_id FOREIGN KEY REFERENCES content(content_id),
- -- whether the content is inherited (1) or new in this revision (0)
- slot_inherited tinyint unsigned NOT NULL CONSTRAINT DF_slot_inherited DEFAULT 0,
+ -- The revision ID of the revision that originated the slot's content.
+ -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
+ slot_origin bigint NOT NULL,
CONSTRAINT PK_slots PRIMARY KEY (slot_revision_id, slot_role_id)
);
-- Index for finding revisions that modified a specific slot
-CREATE INDEX /*i*/slot_role_inherited ON /*_*/slots (slot_revision_id, slot_role_id, slot_inherited);
+CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id);
--
-- The content table represents content objects. It's primary purpose is to provide the necessary
ss_row_id int NOT NULL CONSTRAINT /*i*/ss_row_id PRIMARY KEY,
-- Total number of edits performed.
- ss_total_edits bigint default 0,
+ ss_total_edits bigint default NULL,
- -- 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 default 0,
+ -- See SiteStatsInit::articles().
+ ss_good_articles bigint default NULL,
- -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
- ss_total_pages bigint default '-1',
+ -- Total pages, theoretically equal to SELECT COUNT(*) FROM page.
+ ss_total_pages bigint default NULL,
- -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
- ss_users bigint default '-1',
+ -- Number of users, theoretically equal to SELECT COUNT(*) FROM user.
+ ss_users bigint default NULL,
- -- Number of users that still edit
- ss_active_users bigint default '-1',
+ -- Number of users that still edit.
+ ss_active_users bigint default NULL,
- -- Number of images, equivalent to SELECT COUNT(*) FROM image
- ss_images int default 0
+ -- Number of images, equivalent to SELECT COUNT(*) FROM image.
+ ss_images bigint default NULL
);
-- Description field as entered by the uploader.
-- This is displayed in image upload history and logs.
img_description nvarchar(255) NOT NULL CONSTRAINT DF_img_description DEFAULT '',
+ img_description_id bigint NOT NULL CONSTRAINT DF_img_description_id DEFAULT 0 CONSTRAINT FK_img_description_id FOREIGN KEY REFERENCES /*_*/comment(comment_id),
-- user_id and user_name of uploader.
img_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
slot_revision_id NUMBER NOT NULL,
slot_role_id NUMBER NOT NULL,
slot_content_id NUMBER NOT NULL,
- slot_inherited CHAR(1) DEFAULT '0' NOT NULL
+ slot_origin NUMBER NOT NULL
);
ALTER TABLE &mw_prefix.slots ADD CONSTRAINT &mw_prefix.slots_pk PRIMARY KEY (slot_revision_id, slot_role_id);
-CREATE INDEX &mw_prefix.slot_role_inherited ON &mw_prefix.slots (slot_revision_id, slot_role_id, slot_inherited);
+CREATE INDEX &mw_prefix.slot_revision_origin_role ON &mw_prefix.slots (slot_revision_id, slot_origin, slot_role_id);
CREATE SEQUENCE content_content_id_seq;
CREATE TABLE &mw_prefix.site_stats (
ss_row_id NUMBER NOT NULL PRIMARY KEY,
- ss_total_edits NUMBER DEFAULT 0,
- ss_good_articles NUMBER DEFAULT 0,
- ss_total_pages NUMBER DEFAULT -1,
- ss_users NUMBER DEFAULT -1,
- ss_active_users NUMBER DEFAULT -1,
- ss_images NUMBER DEFAULT 0
+ ss_total_edits NUMBER DEFAULT NULL,
+ ss_good_articles NUMBER DEFAULT NULL,
+ ss_total_pages NUMBER DEFAULT NULL,
+ ss_users NUMBER DEFAULT NULL,
+ ss_active_users NUMBER DEFAULT NULL,
+ ss_images NUMBER DEFAULT NULL
);
CREATE SEQUENCE ipblocks_ipb_id_seq;
img_major_mime VARCHAR2(32) DEFAULT 'unknown',
img_minor_mime VARCHAR2(100) DEFAULT 'unknown',
img_description VARCHAR2(255),
+ img_description_id NUMBER DEFAULT 0 NOT NULL,
img_user NUMBER DEFAULT 0 NOT NULL,
img_user_text VARCHAR2(255) NULL,
img_actor NUMBER DEFAULT 0 NOT NULL,
);
ALTER TABLE &mw_prefix.image ADD CONSTRAINT &mw_prefix.image_pk PRIMARY KEY (img_name);
ALTER TABLE &mw_prefix.image ADD CONSTRAINT &mw_prefix.image_fk1 FOREIGN KEY (img_user) REFERENCES &mw_prefix.mwuser(user_id) ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED;
+ ALTER TABLE &mw_prefix.image ADD CONSTRAINT &mw_prefix.image_fk2 FOREIGN KEY (img_description_id) REFERENCES &mw_prefix."COMMENT"(comment_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED;
CREATE INDEX &mw_prefix.image_i01 ON &mw_prefix.image (img_user_text,img_timestamp);
CREATE INDEX &mw_prefix.image_i02 ON &mw_prefix.image (img_size);
CREATE INDEX &mw_prefix.image_i03 ON &mw_prefix.image (img_timestamp);
slot_revision_id INTEGER NOT NULL,
slot_role_id SMALLINT NOT NULL,
slot_content_id INTEGER NOT NULL,
- slot_inherited SMALLINT NOT NULL DEFAULT 0,
+ slot_origin INTEGER NOT NULL,
PRIMARY KEY (slot_revision_id, slot_role_id)
);
-CREATE INDEX slot_role_inherited ON slots (slot_revision_id, slot_role_id, slot_inherited);
+CREATE INDEX slot_revision_origin_role ON slots (slot_revision_id, slot_origin, slot_role_id);
CREATE SEQUENCE content_content_id_seq;
CREATE TABLE site_stats (
ss_row_id INTEGER NOT NULL PRIMARY KEY DEFAULT 0,
- ss_total_edits INTEGER DEFAULT 0,
- ss_good_articles INTEGER DEFAULT 0,
- ss_total_pages INTEGER DEFAULT -1,
- ss_users INTEGER DEFAULT -1,
- ss_active_users INTEGER DEFAULT -1,
- ss_admins INTEGER DEFAULT -1,
- ss_images INTEGER DEFAULT 0
+ ss_total_edits INTEGER DEFAULT NULL,
+ ss_good_articles INTEGER DEFAULT NULL,
+ ss_total_pages INTEGER DEFAULT NULL,
+ ss_users INTEGER DEFAULT NULL,
+ ss_active_users INTEGER DEFAULT NULL,
+ ss_admins INTEGER DEFAULT NULL,
+ ss_images INTEGER DEFAULT NULL
);
img_major_mime TEXT DEFAULT 'unknown',
img_minor_mime TEXT DEFAULT 'unknown',
img_description TEXT NOT NULL DEFAULT '',
+ img_description_id INTEGER NOT NULL DEFAULT 0,
img_user INTEGER NOT NULL DEFAULT 0 REFERENCES mwuser(user_id) ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED,
img_user_text TEXT NOT NULL DEFAULT '',
img_actor INTEGER NOT NULL DEFAULT 0,
-- 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 unsigned NOT NULL,
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
+ -- exist, this field should be ignored (and may be 0) in favor of the
+ -- corresponding data from the slots and content tables
+ rev_text_id int unsigned NOT NULL default 0,
-- Text comment summarizing the change. Deprecated in favor of
-- revision_comment_temp.revcomment_comment_id.
rev_sha1 varbinary(32) NOT NULL default '',
-- content model, see CONTENT_MODEL_XXX constants
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
+ -- exist, this field should be ignored (and may be NULL) in favor of the
+ -- corresponding data from the slots and content tables
rev_content_model varbinary(32) DEFAULT NULL,
-- content format, see CONTENT_FORMAT_XXX constants
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
+ -- exist, this field should be ignored (and may be NULL).
rev_content_format varbinary(64) DEFAULT NULL
) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024;
--
--- 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.
+-- Archive area for deleted pages and their revisions.
+-- These may be viewed (and restored) by admins through the Special:Undelete interface.
--
CREATE TABLE /*_*/archive (
-- Primary key
ar_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+
+ -- Copied from page_namespace
ar_namespace int NOT NULL default 0,
+ -- Copied from page_title
ar_title varchar(255) binary NOT NULL default '',
- -- 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.
+ -- Copied from text.old_text, for pages deleted before MediaWiki 1.5.
+ -- This row may contain the raw revision text, possibly compressed.
+ -- Newer MediaWiki versions use ar_text_id instead.
+ -- This field is retained for backwards compatibility, so that
+ -- old archived pages will remain accessible.
+ -- See migrateArchiveText.php for migrating values to text storage.
ar_text mediumblob NOT NULL,
-- Basic revision stuff...
ar_timestamp binary(14) NOT NULL default '',
ar_minor_edit tinyint NOT NULL default 0,
- -- See ar_text note.
+ -- Copied from text.old_flags, for pages deleted before MediaWiki 1.5.
+ -- Otherwise empty string.
+ -- See also note for ar_text.
ar_flags tinyblob NOT NULL,
- -- When revisions are deleted, their unique rev_id is stored
- -- here so it can be retained after undeletion. This is necessary
- -- to retain permalinks to given revisions after accidental delete
- -- cycles or messy operations like history merges.
+ -- Copied from rev_id.
--
- -- Old entries from 1.4 will be NULL here, and a new rev_id will
- -- be created on undeletion for those revisions.
+ -- @since 1.5 Entries from 1.4 will be NULL here. When restoring
+ -- archive rows from before 1.5, a new rev_id is created.
ar_rev_id int unsigned,
- -- 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.
+ -- Copied from rev_text_id, references text.old_id.
+ -- To avoid breaking the block-compression scheme and otherwise making
+ -- storage changes harder, the actual text is *not* deleted from the
+ -- text storage. Instead, it is merely hidden from public view, by removal
+ -- of the page and revision entries.
--
- -- 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.
+ -- @since 1.5 Entries from 1.2-1.4 will have NULL here. When restoring
+ -- archive rows without this, ar_text and ar_flags are used instead.
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
+ -- exist, this field should be ignored (and may be NULL or 0) in favor of the
+ -- corresponding data from the slots and content tables
ar_text_id int unsigned,
- -- rev_deleted for archives
+ -- Copied from rev_deleted. Although this may be raised during deletion.
+ -- Users with the "suppressrevision" right may "archive" and "suppress"
+ -- content in a single action.
+ -- @since 1.10
ar_deleted tinyint unsigned NOT NULL default 0,
- -- Length of this revision in bytes
+ -- Copied from rev_len, length of this revision in bytes.
+ -- @since 1.10
ar_len int unsigned,
- -- Reference to page_id. Useful for sysadmin fixing of large pages
- -- merged together in the archives, or for cleanly restoring a page
- -- at its original ID number if possible.
+ -- 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.
--
- -- Will be NULL for pages deleted prior to 1.11.
+ -- @since 1.11 Older entries will have NULL.
ar_page_id int unsigned,
- -- Original previous revision
+ -- Copied from rev_parent_id.
+ -- @since 1.13
ar_parent_id int unsigned default NULL,
- -- SHA-1 text content hash in base-36
+ -- Copied from rev_sha1, SHA-1 text content hash in base-36
+ -- @since 1.19
ar_sha1 varbinary(32) NOT NULL default '',
- -- content model, see CONTENT_MODEL_XXX constants
+ -- Copied from rev_content_model, see CONTENT_MODEL_XXX constants
+ -- @since 1.21
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
+ -- exist, this field should be ignored (and may be NULL) in favor of the
+ -- corresponding data from the slots and content tables
ar_content_model varbinary(32) DEFAULT NULL,
- -- content format, see CONTENT_FORMAT_XXX constants
+ -- Copied from rev_content_format, see CONTENT_FORMAT_XXX constants
+ -- @since 1.21
+ -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
+ -- exist, this field should be ignored (and may be NULL).
ar_content_format varbinary(64) DEFAULT NULL
) /*$wgDBTableOptions*/;
--
CREATE TABLE /*_*/slots (
- -- reference to rev_id
+ -- reference to rev_id or ar_rev_id
slot_revision_id bigint unsigned NOT NULL,
-- reference to role_id
-- reference to content_id
slot_content_id bigint unsigned NOT NULL,
- -- whether the content is inherited (1) or new in this revision (0)
- slot_inherited tinyint unsigned NOT NULL DEFAULT 0,
+ -- The revision ID of the revision that originated the slot's content.
+ -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
+ slot_origin bigint unsigned NOT NULL,
PRIMARY KEY ( slot_revision_id, slot_role_id )
) /*$wgDBTableOptions*/;
-- Index for finding revisions that modified a specific slot
-CREATE INDEX /*i*/slot_role_inherited ON /*_*/slots (slot_revision_id, slot_role_id, slot_inherited);
+CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id);
--
-- The content table represents content objects. It's primary purpose is to provide the necessary
-- Nominal hash of the content object (not necessarily of the serialized blob)
content_sha1 varbinary(32) NOT NULL,
- -- reference to model_id
+ -- reference to model_id. Note the content format isn't specified; it should
+ -- be assumed to be in the default format for the model unless auto-detected
+ -- otherwise.
content_model smallint unsigned NOT NULL,
-- URL-like address of the content blob
ss_row_id int unsigned NOT NULL PRIMARY KEY,
-- Total number of edits performed.
- ss_total_edits bigint unsigned default 0,
+ ss_total_edits bigint unsigned default NULL,
- -- 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 unsigned default 0,
+ -- See SiteStatsInit::articles().
+ ss_good_articles bigint unsigned default NULL,
- -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
- ss_total_pages bigint default '-1',
+ -- Total pages, theoretically equal to SELECT COUNT(*) FROM page.
+ ss_total_pages bigint unsigned default NULL,
- -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
- ss_users bigint default '-1',
+ -- Number of users, theoretically equal to SELECT COUNT(*) FROM user.
+ ss_users bigint unsigned default NULL,
- -- Number of users that still edit
- ss_active_users bigint default '-1',
+ -- Number of users that still edit.
+ ss_active_users bigint unsigned default NULL,
- -- Number of images, equivalent to SELECT COUNT(*) FROM image
- ss_images int default 0
+ -- Number of images, equivalent to SELECT COUNT(*) FROM image.
+ ss_images bigint unsigned default NULL
) /*$wgDBTableOptions*/;
--
-- Description field as entered by the uploader.
-- This is displayed in image upload history and logs.
- -- Deprecated in favor of image_comment_temp.imgcomment_description_id.
+ -- Deprecated in favor of img_description_id.
img_description varbinary(767) NOT NULL default '',
+ img_description_id bigint unsigned NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that img_description should be used)
+
-- user_id and user_name of uploader.
-- Deprecated in favor of img_actor.
img_user int unsigned NOT NULL default 0,
ct_rev_id int unsigned NULL,
-- Tag applied
ct_tag varchar(255) NOT NULL,
- -- Parameters for the tag, presently unused
+ -- Parameters for the tag; used by some extensions
ct_params blob NULL
) /*$wgDBTableOptions*/;
dépôts / lhc / web / wiklou.git / commitdiff