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https://issues.apache.org/jira/browse/PHOENIX-927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967299#comment-13967299
]
ASF GitHub Bot commented on PHOENIX-927:
----------------------------------------
Github user maryannxue commented on a diff in the pull request:
https://github.com/apache/incubator-phoenix/pull/28#discussion_r11557047
--- Diff:
phoenix-core/src/it/java/org/apache/phoenix/end2end/HashJoinIT.java ---
@@ -2529,6 +2724,300 @@ public void testSubJoin() throws Exception {
conn.close();
}
}
+
+ @Test
+ public void testJoinWithSubquery() throws Exception {
+ String query1 = "SELECT item.\"item_id\", item.name, supp.sid,
supp.name FROM " + JOIN_ITEM_TABLE_FULL_NAME + " item INNER JOIN (SELECT
\"supplier_id\" sid, name FROM " + JOIN_SUPPLIER_TABLE_FULL_NAME + " WHERE name
BETWEEN 'S1' AND 'S5') AS supp ON item.\"supplier_id\" = supp.sid";
+ String query2 = "SELECT item.\"item_id\", item.name,
supp.\"supplier_id\", supp.name FROM " + JOIN_ITEM_TABLE_FULL_NAME + " item
INNER JOIN (SELECT \"supplier_id\", name FROM " + JOIN_SUPPLIER_TABLE_FULL_NAME
+ ") AS supp ON item.\"supplier_id\" = supp.\"supplier_id\" AND (supp.name =
'S1' OR supp.name = 'S5')";
--- End diff --
This simple nested query case is not supported yet, for non-join queries
going into compileSingleQuery() logic. Will do this in next check-in.
> Support derived tables in joins
> -------------------------------
>
> Key: PHOENIX-927
> URL: https://issues.apache.org/jira/browse/PHOENIX-927
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Maryann Xue
> Assignee: Maryann Xue
> Labels: enhancement
> Fix For: 3.0.0, 4.0.0, 5.0.0
>
> Original Estimate: 240h
> Remaining Estimate: 240h
>
> Support grammar like:
> SELECT a.col1, b.col2, c.col3 FROM
> (SELECT rk, col1 FROM table1 WHERE col1 LIKE 'foo%' AND col300 IS NULL) AS a
> JOIN (SELECT rk, col2 FROM table2 WHERE col2 LIKE 'bar%') AS b ON a.rk=b.rk
> JOIN (SELECT rk, col3 FROM table3 ) AS c ON a.rk=c.rk;
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