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28 lines
1.3 KiB
SQL
28 lines
1.3 KiB
SQL
CREATE TRIGGER events_enqueue_push_match
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AFTER INSERT ON events
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FOR EACH ROW EXECUTE FUNCTION enqueue_push_match_job();
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CREATE CONSTRAINT TRIGGER events_refresh_channel_ttl
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AFTER INSERT ON events
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DEFERRABLE INITIALLY DEFERRED
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FOR EACH ROW EXECUTE FUNCTION refresh_channel_ttl_after_event_insert();
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CREATE TRIGGER trg_events_guard_channel_roster_snapshot
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BEFORE INSERT ON events
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FOR EACH ROW EXECUTE FUNCTION guard_channel_roster_snapshot();
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CREATE TRIGGER trg_events_guard_origin_generation
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BEFORE INSERT OR UPDATE OF origin_generation ON events
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FOR EACH ROW EXECUTE FUNCTION guard_event_origin_generation();
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-- INSERT OR UPDATE OF: an UPDATE can move a previously exempt row into the
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-- guarded set (channel_id NULL -> NOT NULL) or move a channel row's
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-- created_at below the fence, so both mutation paths re-run the guard on the
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-- NEW row. A created_at rewrite that crosses partition bounds runs as
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-- DELETE + INSERT and hits the cloned AFTER INSERT guard on the destination
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-- partition; an in-partition rewrite fires the UPDATE OF arm.
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CREATE CONSTRAINT TRIGGER events_created_at_floor
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AFTER INSERT OR UPDATE OF created_at, channel_id ON events
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DEFERRABLE INITIALLY DEFERRED
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FOR EACH ROW
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EXECUTE FUNCTION events_created_at_floor_guard();
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SELECT attach_community_write_fence('events');
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