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11 lines
322 B
SQL
11 lines
322 B
SQL
--
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-- patch-categorylinksindex.sql
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--
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-- Per bug 10280 / http://bugzilla.wikimedia.org/show_bug.cgi?id=10280
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--
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-- Improve enum continuation performance of the what pages belong to a category query
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--
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ALTER TABLE /*$wgDBprefix*/categorylinks
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DROP INDEX cl_sortkey,
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ADD INDEX cl_sortkey(cl_to, cl_sortkey, cl_from);
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