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Correct SQL statement for postgres

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In standard sql, join binds tighter than comma, so we were joining on the wrong table. Postgres follows the standard (apparently).
This commit is contained in:
David Baker 2016-05-04 13:19:59 +01:00
parent 8cc82aad87
commit 80be396464
1 changed files with 3 additions and 2 deletions
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5
synapse/storage/event_push_actions.py
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@ -120,14 +120,15 @@ class EventPushActionsStore(SQLBaseStore):
sql = (
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions, "
"e.received_ts "
"FROM event_push_actions AS ep, ("
"FROM ("
" SELECT room_id, user_id, "
" max(topological_ordering) as topological_ordering, "
" max(stream_ordering) as stream_ordering "
" FROM events"
" NATURAL JOIN receipts_linearized WHERE receipt_type = 'm.read'"
" GROUP BY room_id, user_id"
") AS rl"
") AS rl,"
" event_push_actions AS ep"
" INNER JOIN events AS e USING (room_id, event_id)"
" WHERE"
" ep.room_id = rl.room_id"