maintenance/sqlite/archives/patch-templatelinks-fix-pk.sql

   1 CREATE TABLE /*_*/templatelinks_tmp (
   2   -- Key to the page_id of the page containing the link.
   3   tl_from int unsigned NOT NULL default 0,
   4   -- Namespace for this page
   5   tl_from_namespace int NOT NULL default 0,
   6
   7   -- Key to page_namespace/page_title of the target page.
   8   -- The target page may or may not exist, and due to renames
   9   -- and deletions may refer to different page records as time
  10   -- goes by.
  11   tl_namespace int NOT NULL default 0,
  12   tl_title varchar(255) binary NOT NULL default '',
  13   PRIMARY KEY (tl_from,tl_namespace,tl_title)
  14 ) /*$wgDBTableOptions*/;
  15
  16 INSERT INTO /*_*/templatelinks_tmp (tl_from, tl_from_namespace, tl_namespace, tl_title)
  17         SELECT tl_from, tl_from_namespace, tl_namespace, tl_title FROM /*_*/templatelinks;
  18
  19 DROP TABLE /*_*/templatelinks;
  20
  21 ALTER TABLE /*_*/templatelinks_tmp RENAME TO /*_*/templatelinks;
  22
  23 -- Reverse index, for Special:Whatlinkshere
  24 CREATE INDEX /*i*/tl_namespace ON /*_*/templatelinks (tl_namespace,tl_title,tl_from);
  25
  26 -- Index for Special:Whatlinkshere with namespace filter
  27 CREATE INDEX /*i*/tl_backlinks_namespace ON /*_*/templatelinks (tl_from_namespace,tl_namespace,tl_title,tl_from);