twdsilva commented on a change in pull request #444: PHOENIX-5148
URL: https://github.com/apache/phoenix/pull/444#discussion_r265732474
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File path:
phoenix-core/src/it/java/org/apache/phoenix/end2end/join/SubqueryUsingSortMergeJoinIT.java
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@@ -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:
what happens if we don't add the order by?
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