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Async events, like
notification.send
, are created from the application; unlike sync events which are created with DB triggers. Due to this reason, we do not have PG notify triggers when async events are inserted. As a result, async event consumers never run in real-time and rely on the 1 minute timeout. (This was fine so far, because no matter which event was inserted, the pgnotify was picked up by all consumers. But now we have specific pg notify channels)Instead of publishing pgnotify during insertion from multiple trigger functions, this PR adds a trigger on the event_queue table itself.
Also
Resolves: flanksource/canary-checker#1259