100 lines
2.1 KiB
PL/PgSQL
100 lines
2.1 KiB
PL/PgSQL
-- Your SQL goes here
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CREATE OR REPLACE FUNCTION invoke_listeners_trigger ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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DECLARE
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rec RECORD;
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channel TEXT;
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payload TEXT;
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BEGIN
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case TG_OP
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WHEN 'INSERT' THEN
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rec := NEW;
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channel := 'new_listeners';
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payload := NEW.actor_id;
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WHEN 'DELETE' THEN
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rec := OLD;
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channel := 'rm_listeners';
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payload := OLD.actor_id;
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ELSE
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RAISE EXCEPTION 'Unknown TG_OP: "%". Should not occur!', TG_OP;
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END CASE;
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PERFORM pg_notify(channel, payload::TEXT);
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RETURN rec;
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END;
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$$;
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CREATE OR REPLACE FUNCTION invoke_blocks_trigger ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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DECLARE
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rec RECORD;
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channel TEXT;
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payload TEXT;
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BEGIN
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case TG_OP
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WHEN 'INSERT' THEN
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rec := NEW;
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channel := 'new_blocks';
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payload := NEW.domain_name;
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WHEN 'DELETE' THEN
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rec := OLD;
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channel := 'rm_blocks';
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payload := OLD.domain_name;
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ELSE
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RAISE EXCEPTION 'Unknown TG_OP: "%". Should not occur!', TG_OP;
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END CASE;
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PERFORM pg_notify(channel, payload::TEXT);
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RETURN NULL;
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END;
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$$;
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CREATE OR REPLACE FUNCTION invoke_whitelists_trigger ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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DECLARE
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rec RECORD;
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channel TEXT;
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payload TEXT;
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BEGIN
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case TG_OP
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WHEN 'INSERT' THEN
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rec := NEW;
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channel := 'new_whitelists';
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payload := NEW.domain_name;
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WHEN 'DELETE' THEN
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rec := OLD;
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channel := 'rm_whitelists';
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payload := OLD.domain_name;
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ELSE
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RAISE EXCEPTION 'Unknown TG_OP: "%". Should not occur!', TG_OP;
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END CASE;
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PERFORM pg_notify(channel, payload::TEXT);
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RETURN rec;
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END;
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$$;
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CREATE TRIGGER listeners_notify
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AFTER INSERT OR UPDATE OR DELETE
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ON listeners
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FOR EACH ROW
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EXECUTE PROCEDURE invoke_listeners_trigger();
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CREATE TRIGGER blocks_notify
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AFTER INSERT OR UPDATE OR DELETE
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ON blocks
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FOR EACH ROW
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EXECUTE PROCEDURE invoke_blocks_trigger();
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CREATE TRIGGER whitelists_notify
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AFTER INSERT OR UPDATE OR DELETE
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ON whitelists
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FOR EACH ROW
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EXECUTE PROCEDURE invoke_whitelists_trigger();
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