---
+--
-- patch-backlinkindexes.sql
---
--- Per bug 6440 / http://bugzilla.wikimedia.org/show_bug.cgi?id=6440
+--
+-- Per task T8440 / https://phabricator.wikimedia.org/T8440
--
-- Improve performance of the "what links here"-type queries
---
+--
ALTER TABLE /*$wgDBprefix*/pagelinks
DROP INDEX pl_namespace,
ALTER TABLE /*$wgDBprefix*/templatelinks
DROP INDEX tl_namespace,
ADD INDEX tl_namespace(tl_namespace, tl_title, tl_from);
-
+
ALTER TABLE /*$wgDBprefix*/imagelinks
DROP INDEX il_to,
ADD INDEX il_to(il_to, il_from);