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Add (list, title) index for Gather lists
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As noted in, without this sorting a single list by title will require a filesort (which would be OK for small lists but there is no size limit currently and there are use cases for huge lists).

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Tgr created this task.May 7 2015, 3:14 PM
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Change 209502 had a related patch set uploaded (by Gergő Tisza):
Add (gli_gl_id, gli_namespace, gli_title) index

Tgr added a comment.May 7 2015, 3:50 PM

To deploy on WMF servers, run for db in testwiki test2wiki enwiki; do mwscript sql.php --wiki=$db /srv/mediawiki/php/extensions/Gather/schema/archive/add-gli_id_ns_title.sql; done on terbium.

Tgr added a comment.May 7 2015, 4:20 PM

Not sure if the last column of the (gli_namespace, gli_title, gli_gl_id) index is still needed after this change, it seems to only be there to enforce uniqueness.

Jdlrobson moved this task from Needs triage to Should haves on the Gather board.May 7 2015, 4:23 PM

Change 209502 merged by jenkins-bot:
Add (gli_gl_id, gli_namespace, gli_title) index

This can go out with T101460 at any time.

Tgr closed this task as Resolved.Jun 5 2015, 1:37 AM
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