Fix migration script

Author: ildus

pg_wait_sampling--1.0--1.1.sql

@@ -5,21 +5,21 @@ DROP FUNCTION pg_wait_sampling_get_current (
 	OUT pid int4,
 	OUT event_type text,
 	OUT event text
-);
+) CASCADE;
 
 DROP FUNCTION pg_wait_sampling_get_history (
 	OUT pid int4,
 	OUT ts timestamptz,
 	OUT event_type text,
 	OUT event text
-);
+) CASCADE;
 
 DROP FUNCTION pg_wait_sampling_get_profile (
 	OUT pid int4,
 	OUT event_type text,
 	OUT event text,
 	OUT count bigint
-);
+) CASCADE;
 
 CREATE FUNCTION pg_wait_sampling_get_current (
 	pid int4,
@@ -32,6 +32,11 @@ RETURNS SETOF record
 AS 'MODULE_PATHNAME'
 LANGUAGE C VOLATILE CALLED ON NULL INPUT;
 
+CREATE VIEW pg_wait_sampling_current AS
+	SELECT * FROM pg_wait_sampling_get_current(NULL::integer);
+
+GRANT SELECT ON pg_wait_sampling_current TO PUBLIC;
+
 CREATE FUNCTION pg_wait_sampling_get_history (
 	OUT pid int4,
 	OUT ts timestamptz,
@@ -43,6 +48,11 @@ RETURNS SETOF record
 AS 'MODULE_PATHNAME'
 LANGUAGE C VOLATILE STRICT;
 
+CREATE VIEW pg_wait_sampling_history AS
+	SELECT * FROM pg_wait_sampling_get_history();
+
+GRANT SELECT ON pg_wait_sampling_history TO PUBLIC;
+
 CREATE FUNCTION pg_wait_sampling_get_profile (
 	OUT pid int4,
 	OUT event_type text,
@@ -53,3 +63,8 @@ CREATE FUNCTION pg_wait_sampling_get_profile (
 RETURNS SETOF record
 AS 'MODULE_PATHNAME'
 LANGUAGE C VOLATILE STRICT;
+
+CREATE VIEW pg_wait_sampling_profile AS
+	SELECT * FROM pg_wait_sampling_get_profile();
+
+GRANT SELECT ON pg_wait_sampling_profile TO PUBLIC;

pg_wait_sampling.c

@@ -770,7 +770,7 @@ pg_wait_sampling_get_history(PG_FUNCTION_ARGS)
  */
 static PlannedStmt *
 pgws_planner_hook(Query *parse, int cursorOptions,
-							  ParamListInfo boundParams)
+				  ParamListInfo boundParams)
 {
 	if (MyProc)
 	{