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30 lines
542 B
30 lines
542 B
3 years ago
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CREATE OR REPLACE FUNCTION notify_channel()
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RETURNS TRIGGER
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LANGUAGE PLPGSQL
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AS
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$$
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DECLARE
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target_channel TEXT;
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BEGIN
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SELECT channel_name
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INTO target_channel
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FROM targets
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WHERE level_1 = NEW.level_1
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AND level_2 = NEW.level_2;
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if found then
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PERFORM pg_notify(target_channel, NEW.payload);
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UPDATE commands
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SET channel_name = channel_name, channel_failure = false
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WHERE id = NEW.id;
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else
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UPDATE commands
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SET channel_failure = true
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WHERE id = NEW.id;
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end if;
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RETURN NEW;
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END;
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$$;
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