Correct SQL statement for postgres
In standard sql, join binds tighter than comma, so we were joining on the wrong table. Postgres follows the standard (apparently).pull/759/head
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@ -120,14 +120,15 @@ class EventPushActionsStore(SQLBaseStore):
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sql = (
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"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions, "
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"e.received_ts "
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"FROM event_push_actions AS ep, ("
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"FROM ("
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" SELECT room_id, user_id, "
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" max(topological_ordering) as topological_ordering, "
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" max(stream_ordering) as stream_ordering "
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" FROM events"
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" NATURAL JOIN receipts_linearized WHERE receipt_type = 'm.read'"
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" GROUP BY room_id, user_id"
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") AS rl"
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") AS rl,"
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" event_push_actions AS ep"
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" INNER JOIN events AS e USING (room_id, event_id)"
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" WHERE"
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" ep.room_id = rl.room_id"
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