2 -- patch-backlinkindexes.sql
4 -- Per task T8440 / https://phabricator.wikimedia.org/T8440
6 -- Improve performance of the "what links here"-type queries
9 ALTER TABLE /*$wgDBprefix*/pagelinks
10 DROP INDEX pl_namespace,
11 ADD INDEX pl_namespace(pl_namespace, pl_title, pl_from);
13 ALTER TABLE /*$wgDBprefix*/templatelinks
14 DROP INDEX tl_namespace,
15 ADD INDEX tl_namespace(tl_namespace, tl_title, tl_from);
17 ALTER TABLE /*$wgDBprefix*/imagelinks
19 ADD INDEX il_to(il_to, il_from);