rewrite func

Author: Schmaetz

pkg/cluster/database.go

@@ -107,34 +107,6 @@ const (
 
 		GRANT pg_execute_server_program TO cpo_exporter;
 
-		CREATE OR REPLACE FUNCTION exporter.update_pgbackrest_info()
-			RETURNS VOID AS $$
-			DECLARE
-				last_entry_timestamp TIMESTAMP;
-				record_count INT;
-			BEGIN
-				SELECT COUNT(*) INTO record_count
-				FROM exporter.pgbackrestbackupinfo;
-
-				IF record_count > 0 THEN
-					SELECT data_time INTO last_entry_timestamp
-					FROM exporter.pgbackrestbackupinfo
-					ORDER BY data_time DESC
-					LIMIT 1;
-
-					IF last_entry_timestamp < NOW() - INTERVAL '5 minutes' AND NOT pg_is_in_recovery() THEN
-						DELETE FROM exporter.pgbackrestbackupinfo;
-					ELSE
-						RETURN;
-					END IF;
-				END IF;
-
-				EXECUTE format(
-					'COPY exporter.pgbackrestbackupinfo (data) FROM program ''pgbackrest info --output=json'' WITH (FORMAT text, DELIMITER ''|'')'
-				);
-			END;
-			$$ LANGUAGE plpgsql;
-
 		CREATE OR REPLACE FUNCTION exporter.update_pgbackrest_info()
 			RETURNS VOID AS $$
 			DECLARE