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From GitBox <...@apache.org>
Subject [GitHub] [phoenix] comnetwork commented on a change in pull request #444: PHOENIX-5148
Date Fri, 15 Mar 2019 15:20:34 GMT
comnetwork commented on a change in pull request #444: PHOENIX-5148
URL: https://github.com/apache/phoenix/pull/444#discussion_r266027910
 
 

 ##########
 File path: phoenix-core/src/it/java/org/apache/phoenix/end2end/join/SubqueryUsingSortMergeJoinIT.java
 ##########
 @@ -516,8 +516,8 @@ public void testAnyAllComparisonSubquery() throws Exception {
             assertEquals(rs.getString(2), "T6");
 
             assertFalse(rs.next());
-            
-            query = "SELECT /*+ USE_SORT_MERGE_JOIN*/ \"order_id\", name FROM " + tableName4
+ " o JOIN " + tableName1 + " i ON o.\"item_id\" = i.\"item_id\" WHERE quantity != ANY(SELECT
quantity FROM " + tableName4 + " q WHERE o.\"item_id\" = q.\"item_id\" GROUP BY quantity)";
+            //add order by to make the query result stable
+            query = "SELECT /*+ USE_SORT_MERGE_JOIN*/ \"order_id\", name FROM " + tableName4
+ " o JOIN " + tableName1 + " i ON o.\"item_id\" = i.\"item_id\" WHERE quantity != ANY(SELECT
quantity FROM " + tableName4 + " q WHERE o.\"item_id\" = q.\"item_id\" GROUP BY quantity)
order by \"order_id\"";
 
 Review comment:
   If we don't add the order by , the order of the query result is reverse after this patch,
just as:
   

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