Updated sql files

Author: Saloni-2005

sql/metrics/_bandwidth.sql

@@ -37,7 +37,8 @@ CREATE FUNCTION _pgr_bandwidth(
 )
 RETURNS BIGINT AS
 'MODULE_PATHNAME'
-LANGUAGE C VOLATILE STRICT;
+LANGUAGE C VOLATILE STRICT
+COST ${COST_HIGH} ROWS ${ROWS_HIGH};
 
 -- COMMENTS
 COMMENT ON FUNCTION _pgr_bandwidth(TEXT)

sql/metrics/bandwidth.sql

@@ -39,7 +39,8 @@ AS
 $BODY$
     SELECT bandwidth FROM _pgr_bandwidth(_pgr_get_statement($1));
 $BODY$
-LANGUAGE SQL VOLATILE STRICT;
+LANGUAGE SQL VOLATILE STRICT
+COST ${COST_HIGH} ROWS ${ROWS_HIGH};
 
 -- COMMENTS