ar_title NVARCHAR(255) NOT NULL DEFAULT '',
ar_text NVARCHAR(MAX) NOT NULL,
ar_comment NVARCHAR(255) NOT NULL,
- ar_user INT REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
+ ar_user INT CONSTRAINT ar_user__user_id__fk FOREIGN KEY REFERENCES /*_*/mwuser(user_id),
ar_user_text NVARCHAR(255) NOT NULL,
ar_timestamp varchar(14) NOT NULL default '',
ar_minor_edit BIT NOT NULL DEFAULT 0,
ar_flags NVARCHAR(255) NOT NULL,
ar_rev_id INT NULL, -- NOT a FK, the row gets deleted from revision and moved here
- ar_text_id INT REFERENCES /*_*/text(old_id) ON DELETE CASCADE,
+ ar_text_id INT CONSTRAINT ar_text_id__old_id__fk FOREIGN KEY REFERENCES /*_*/text(old_id) ON DELETE CASCADE,
ar_deleted TINYINT NOT NULL DEFAULT 0,
ar_len INT,
ar_page_id INT NULL, -- NOT a FK, the row gets deleted from page and moved here
- ar_parent_id INT NULL REFERENCES /*_*/revision(rev_id),
+ ar_parent_id INT NULL, -- NOT FK
ar_sha1 nvarchar(32) default null,
ar_content_model nvarchar(32) DEFAULT NULL,
ar_content_format nvarchar(64) DEFAULT NULL
CREATE INDEX /*i*/cl_collation_ext ON /*_*/categorylinks (cl_collation, cl_to, cl_type, cl_from);
--
--- Track all existing categories. Something is a category if 1) it has an en-
--- try somewhere in categorylinks, or 2) it once did. Categories might not
--- have corresponding pages, so they need to be tracked separately.
+-- Track all existing categories. Something is a category if 1) it has an entry
+-- somewhere in categorylinks, or 2) it has a description page. Categories
+-- might not have corresponding pages, so they need to be tracked separately.
--
CREATE TABLE /*_*/category (
-- Primary key
-- which allows for fast searching for all pages under example.com with the
-- clause:
-- WHERE el_index LIKE 'http://com.example.%'
- el_index nvarchar(450) NOT NULL
+ el_index nvarchar(450) NOT NULL,
+
+ -- This is el_index truncated to 60 bytes to allow for sortable queries that
+ -- aren't supported by a partial index.
+ -- @todo Drop the default once this is deployed everywhere and code is populating it.
+ el_index_60 varbinary(60) NOT NULL default ''
);
CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from);
CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index);
+CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id);
+CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id);
-- el_to index intentionally not added; we cannot index nvarchar(max) columns,
-- but we also cannot restrict el_to to a smaller column size as the external
-- link may be larger.
img_media_type varchar(16) default null,
-- major part of a MIME media type as defined by IANA
- -- see http://www.iana.org/assignments/media-types/
+ -- see https://www.iana.org/assignments/media-types/
img_major_mime varchar(16) not null default 'unknown',
-- minor part of a MIME media type as defined by IANA
-- the minor parts are not required to adher to any standard
-- but should be consistent throughout the database
- -- see http://www.iana.org/assignments/media-types/
+ -- see https://www.iana.org/assignments/media-types/
img_minor_mime nvarchar(100) NOT NULL default 'unknown',
-- Description field as entered by the uploader.
-- the last few days, see Article::editUpdates()
--
CREATE TABLE /*_*/recentchanges (
- rc_id int NOT NULL PRIMARY KEY IDENTITY,
+ rc_id int NOT NULL CONSTRAINT recentchanges__pk PRIMARY KEY IDENTITY,
rc_timestamp varchar(14) not null default '',
-- As in revision
- rc_user int NOT NULL default 0 REFERENCES /*_*/mwuser(user_id),
+ rc_user int NOT NULL default 0 CONSTRAINT rc_user__user_id__fk FOREIGN KEY REFERENCES /*_*/mwuser(user_id),
rc_user_text nvarchar(255) NOT NULL,
-- When pages are renamed, their RC entries do _not_ change.
-- Key to page_id (was cur_id prior to 1.5).
-- This will keep links working after moves while
-- retaining the at-the-time name in the changes list.
- rc_cur_id int REFERENCES /*_*/page(page_id),
+ rc_cur_id int, -- NOT FK
-- rev_id of the given revision
- rc_this_oldid int REFERENCES /*_*/revision(rev_id),
+ rc_this_oldid int, -- NOT FK
-- rev_id of the prior revision, for generating diff links.
- rc_last_oldid int REFERENCES /*_*/revision(rev_id),
+ rc_last_oldid int, -- NOT FK
-- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
rc_type tinyint NOT NULL default 0,
CREATE INDEX /*i*/rc_ip ON /*_*/recentchanges (rc_ip);
CREATE INDEX /*i*/rc_ns_usertext ON /*_*/recentchanges (rc_namespace, rc_user_text);
CREATE INDEX /*i*/rc_user_text ON /*_*/recentchanges (rc_user_text, rc_timestamp);
+CREATE INDEX /*i*/rc_name_type_patrolled_timestamp ON /*_*/recentchanges (rc_namespace, rc_type, rc_patrolled, rc_timestamp);
CREATE TABLE /*_*/watchlist (
log_timestamp varchar(14) NOT NULL default '',
-- The user who performed this action; key to user_id
- log_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
+ log_user int, -- NOT an FK, if a user is deleted we still want to maintain a record of who did a thing
-- Name of the user who performed this action
log_user_text nvarchar(255) NOT NULL default '',
-- this will point to the user page.
log_namespace int NOT NULL default 0,
log_title nvarchar(255) NOT NULL default '',
- log_page int NULL REFERENCES /*_*/page(page_id) ON DELETE SET NULL,
+ log_page int NULL, -- NOT an FK, logging entries are inserted for deleted pages which still reference the deleted page ids
-- Freeform text. Interpreted as edit history comments.
log_comment nvarchar(255) NOT NULL default '',
INSERT INTO /*_*/logging (log_user,log_page,log_params) VALUES(0,0,'');
-ALTER TABLE /*_*/recentchanges ADD CONSTRAINT FK_rc_logid_log_id FOREIGN KEY (rc_logid) REFERENCES /*_*/logging(log_id) ON DELETE CASCADE;
+ALTER TABLE /*_*/recentchanges ADD CONSTRAINT rc_logid__log_id__fk FOREIGN KEY (rc_logid) REFERENCES /*_*/logging(log_id) ON DELETE CASCADE;
CREATE TABLE /*_*/log_search (
-- The type of ID (rev ID, log ID, rev timestamp, username)
-- A table to track tags for revisions, logs and recent changes.
CREATE TABLE /*_*/change_tag (
+ ct_id int NOT NULL PRIMARY KEY IDENTITY,
-- RCID for the change
ct_rc_id int NULL REFERENCES /*_*/recentchanges(rc_id),
-- LOGID for the change
-- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
-- that only works on MySQL 4.1+
CREATE TABLE /*_*/tag_summary (
+ ts_id int NOT NULL PRIMARY KEY IDENTITY,
-- RCID for the change
ts_rc_id int NULL REFERENCES /*_*/recentchanges(rc_id),
-- LOGID for the change
dépôts / lhc / web / wiklou.git / blobdiff