fixes for migration script (pathman_config_params_trigger_func() & invalidate_relcache())

Author: funbringer

Diff for: pg_pathman--1.1--1.2.sql

@@ -23,6 +23,12 @@ DROP FUNCTION @[email protected]_sequence_name(TEXT, TEXT);
 DROP FUNCTION @[email protected]_single_range_partition(REGCLASS, ANYELEMENT, ANYELEMENT, TEXT, TEXT);
 DROP FUNCTION @[email protected]_overlap(REGCLASS, ANYELEMENT, ANYELEMENT);
 DROP FUNCTION @[email protected]_range_partition(REGCLASS, ANYELEMENT, TEXT, OUT ANYARRAY);
+DROP FUNCTION @[email protected]_relcache(OID);
+
+/* drop trigger and its function (PATHMAN_CONFIG_PARAMS) */
+DROP TRIGGER pathman_config_params_trigger;
+DROP FUNCTION @[email protected]_config_params_trigger_func();
+
 
 /* ------------------------------------------------------------------------
  * Alter functions' modifiers
@@ -1265,6 +1271,16 @@ RETURNS VOID AS 'pg_pathman', 'check_range_available_pl'
 LANGUAGE C;
 
 
+/* Finally create function and trigger (PATHMAN_CONFIG_PARAMS) */
+CREATE OR REPLACE FUNCTION @[email protected]_config_params_trigger_func()
+RETURNS TRIGGER AS 'pg_pathman', 'pathman_config_params_trigger_func'
+LANGUAGE C;
+
+CREATE TRIGGER pathman_config_params_trigger
+BEFORE INSERT OR UPDATE OR DELETE ON @[email protected]_config_params
+FOR EACH ROW EXECUTE PROCEDURE @[email protected]_config_params_trigger_func();
+
+
 /* ------------------------------------------------------------------------
  * Alter tables
  * ----------------------------------------------------------------------*/