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Summary: Ref T1279. This came to me in a dream. The existing `differential_relationship` table has an `(objectPHID, type)` column, which theoretically is useful for queries like "revisions with X as a reviewer". In practice, I'm not sure it gets used much, but I can get it to show up in at least some query plans. Add a similar index to the `edge` table. This sequences //before// D7227, which actually migrates the data. Test Plan: - Ran `bin/storage upgrade`. - EXPLAIN'd a bunch of queries against different versions of the schema, this seemed helpful overall. Reviewers: btrahan Reviewed By: btrahan CC: aran Maniphest Tasks: T1279 Differential Revision: https://secure.phabricator.com/D7232 Conflicts: src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
2 lines
88 B
SQL
2 lines
88 B
SQL
ALTER TABLE {$NAMESPACE}_differential.edge
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ADD UNIQUE KEY `key_dst` (dst, type, src);
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