adding one more test

src/test/regress/expected/merge_vcore.out

@@ -547,6 +547,41 @@ SELECT * FROM TARGET;
   1 |     | 100000
 (1 row)
 
+DROP TABLE IF EXISTS source;
+DROP TABLE IF EXISTS target;
+-- Test 3
+CREATE TABLE source (
+    id int,
+    age int,
+    salary int
+);
+CREATE TABLE target (
+    id int,
+    age int,
+    salary int
+);
+SELECT create_distributed_table('source', 'id', colocate_with=>'none');
+ create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
+SELECT create_distributed_table('target', 'id', colocate_with=>'none');
+ create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
+INSERT INTO source (id, age, salary) VALUES  (1,30, 100000);
+MERGE INTO ONLY target USING source ON (source.id = target.id)
+WHEN NOT MATCHED THEN
+INSERT (salary, id, age) VALUES (source.age, source.id, source.salary);
+SELECT * FROM TARGET;
+ id |  age   | salary
+---------------------------------------------------------------------
+  1 | 100000 |     30
+(1 row)
+
 DROP TABLE IF EXISTS source;
 DROP TABLE IF EXISTS target;
 DROP SCHEMA IF EXISTS merge_vcore_schema CASCADE;

src/test/regress/sql/merge_vcore.sql

@@ -368,6 +368,33 @@ DROP TABLE IF EXISTS source;
 DROP TABLE IF EXISTS target;
 
 
+-- Test 3
+CREATE TABLE source (
+    id int,
+    age int,
+    salary int
+);
+
+CREATE TABLE target (
+    id int,
+    age int,
+    salary int
+);
+
+SELECT create_distributed_table('source', 'id', colocate_with=>'none');
+SELECT create_distributed_table('target', 'id', colocate_with=>'none');
+
+INSERT INTO source (id, age, salary) VALUES  (1,30, 100000);
+
+MERGE INTO ONLY target USING source ON (source.id = target.id)
+WHEN NOT MATCHED THEN
+INSERT (salary, id, age) VALUES (source.age, source.id, source.salary);
+
+SELECT * FROM TARGET;
+DROP TABLE IF EXISTS source;
+DROP TABLE IF EXISTS target;
+
+
 
 DROP SCHEMA IF EXISTS merge_vcore_schema CASCADE;