maintenance/archives/patch-redirect.sql

   1 --
   2 -- Create the new redirect table.
   3 -- For each redirect, this table contains exactly one row defining its target
   4 --
   5 CREATE TABLE /*$wgDBprefix*/redirect (
   6   -- Key to the page_id of the redirect page
   7   rd_from int unsigned NOT NULL default '0',
   8
   9   -- Key to page_namespace/page_title of the target page.
  10   -- The target page may or may not exist, and due to renames
  11   -- and deletions may refer to different page records as time
  12   -- goes by.
  13   rd_namespace int NOT NULL default '0',
  14   rd_title varchar(255) binary NOT NULL default '',
  15
  16   PRIMARY KEY rd_from (rd_from),
  17   KEY rd_ns_title (rd_namespace,rd_title,rd_from)
  18 ) /*$wgDBTableOptions*/;
  19
  20 -- Import existing redirects
  21 -- Using ignore because some of the redirect pages contain more than one link
  22 INSERT IGNORE
  23   INTO /*$wgDBprefix*/redirect (rd_from,rd_namespace,rd_title)
  24   SELECT pl_from,pl_namespace,pl_title
  25     FROM /*$wgDBprefix*/pagelinks, /*$wgDBprefix*/page
  26     WHERE pl_from=page_id AND page_is_redirect=1;
  27
  28