per review command, let's pg_stat_get_tuples_hot_updated rework

Author: OreoYang

src/oracle_test/regress/expected/stats.out

@@ -1510,7 +1510,12 @@ SELECT wait_for_hot_stats();
 
 (1 row)
 
--- SELECT pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid);
+SELECT pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid);
+ pg_stat_get_tuples_hot_updated 
+--------------------------------
+                              1
+(1 row)
+
 DROP TABLE brin_hot;
 DROP FUNCTION wait_for_hot_stats();
 -- Test handling of index predicates - updating attributes in precicates

src/oracle_test/regress/sql/stats.sql

@@ -790,7 +790,7 @@ UPDATE brin_hot SET val = -3 WHERE id = 42;
 \c -
 
 SELECT wait_for_hot_stats();
--- SELECT pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid);
+SELECT pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid);
 
 DROP TABLE brin_hot;
 DROP FUNCTION wait_for_hot_stats();