mtsatellite/pg/send_block_changes.sql
2022-02-28 11:38:16 +01:00

24 lines
376 B
PL/PgSQL

BEGIN;
CREATE OR REPLACE FUNCTION send_block_changes()
RETURNS TRIGGER AS
$$
BEGIN
PERFORM pg_notify('blockchanges',
json_build_object(
'X', NEW.posx,
'Z', NEW.posz
)::text
);
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE TRIGGER blocks_changed
AFTER INSERT OR UPDATE
ON blocks
FOR EACH ROW
EXECUTE PROCEDURE send_block_changes();
END;