Add new view plan_history_pretty to improve readability

pg_plan_advsr--0.0.sql

@@ -19,9 +19,9 @@ CREATE TABLE plan_repo.plan_history
 	join_hint			text,
 	lead_hint			text,
 	diff_of_scans		double precision,
-	max_diff_ratio_scan		double precision,
+	max_diff_ratio_scan	double precision,
 	diff_of_joins		double precision,
-	max_diff_ratio_join		double precision,
+	max_diff_ratio_join	double precision,
 	join_cnt			int,
 	application_name	text,
 	timestamp			timestamp
@@ -41,6 +41,27 @@ CREATE TABLE plan_repo.raw_queries
 	timestamp			timestamp
 );
 
+-- Register view
+CREATE VIEW plan_repo.plan_history_pretty
+AS
+SELECT  id,
+        norm_query_hash,
+        pgsp_queryid,
+        pgsp_planid,
+        execution_time::numeric(18, 3),
+        rows_hint,
+        scan_hint,
+        join_hint,
+        lead_hint,
+        diff_of_scans,
+        max_diff_ratio_scan::numeric(18, 2),
+        diff_of_joins,
+        max_diff_ratio_join::numeric(18, 2),
+        join_cnt,
+        application_name,
+        timestamp
+FROM plan_repo.plan_history
+ORDER BY id;
 
 -- Register functions
 CREATE FUNCTION pg_plan_advsr_enable_feedback()
@@ -68,3 +89,9 @@ RETURNS text
 LANGUAGE SQL
 IMMUTABLE
 RETURNS NULL ON NULL INPUT;
+
+-- Grant
+GRANT SELECT ON plan_repo.plan_history TO PUBLIC;
+GRANT SELECT ON plan_repo.norm_queries TO PUBLIC;
+GRANT SELECT ON plan_repo.raw_queries TO PUBLIC;
+GRANT USAGE ON SCHEMA plan_repo TO PUBLIC