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CREATE TABLE /*_*/imagelinks_tmp (
-- Key to page_id of the page containing the image / media link.
il_from int unsigned NOT NULL default 0,
-- Namespace for this page
il_from_namespace int NOT NULL default 0,
-- Filename of target image.
-- This is also the page_title of the file's description page;
-- all such pages are in namespace 6 (NS_FILE).
il_to varchar(255) binary NOT NULL default '',
PRIMARY KEY (il_from,il_to)
) /*$wgDBTableOptions*/;
INSERT INTO /*_*/imagelinks_tmp (il_from, il_from_namespace, il_to)
SELECT il_from, il_from_namespace, il_to FROM /*_*/imagelinks;
DROP TABLE /*_*/imagelinks;
ALTER TABLE /*_*/imagelinks_tmp RENAME TO /*_*/imagelinks;
-- Reverse index, for Special:Whatlinkshere and file description page local usage
CREATE INDEX /*i*/il_to ON /*_*/imagelinks (il_to,il_from);
-- Index for Special:Whatlinkshere with namespace filter
CREATE INDEX /*i*/il_backlinks_namespace ON /*_*/imagelinks (il_from_namespace,il_to,il_from);
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