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https://issues.apache.org/jira/browse/DRILL-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Abhishek Girish updated DRILL-2317:
-----------------------------------
Description:
A UNION ALL on two sub-queries with only a single column projected, and GROUP
BY on the whole query fails with an IndexOutOfBoundsException
*The following query fails to execute:*
{code:sql}
SELECT c1
FROM ((SELECT ss_quantity AS c1
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c2
FROM web_sales limit 1)
) foo
GROUP BY c1;
{code}
*The following query also fails to execute:*
{code:sql}
SELECT distinct(c)
FROM ((SELECT ss_quantity AS c
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c
FROM web_sales limit 1)
) ;
{code}
Error:
Query failed: RemoteRpcException: Failure while running fragment., index: 0,
length: 1 (expected: range(0, 0))
LOG message indicates java.lang.IndexOutOfBoundsException
*The following query executes fine:*
{code:sql}
SELECT c1
FROM ((SELECT ss_quantity AS c1, ss_item_sk c3
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c2, ws_item_sk c4
FROM web_sales limit 1)
) foo
GROUP BY c1;
{code}
was:
A UNION ALL on two sub-queries with only a single column projected, and GROUP
BY on the whole query fails with an IndexOutOfBoundsException
*The following query fails to execute:*
{code:sql}
SELECT c1
FROM ((SELECT ss_quantity AS c1
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c2
FROM web_sales limit 1)
) foo
GROUP BY c1;
{code}
The following query also fails to execute:
{code:sql}
SELECT distinct(c)
FROM ((SELECT ss_quantity AS c
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c
FROM web_sales limit 1)
) ;
{code}
Error:
Query failed: RemoteRpcException: Failure while running fragment., index: 0,
length: 1 (expected: range(0, 0))
LOG message indicates java.lang.IndexOutOfBoundsException
*The following query executes fine:*
{code:sql}
SELECT c1
FROM ((SELECT ss_quantity AS c1, ss_item_sk c3
FROM store_sales limit 1)
UNION ALL
(SELECT ws_quantity AS c2, ws_item_sk c4
FROM web_sales limit 1)
) foo
GROUP BY c1;
{code}
> UNION ALL on sub-queries with single column projection fails on GROUP BY
> ------------------------------------------------------------------------
>
> Key: DRILL-2317
> URL: https://issues.apache.org/jira/browse/DRILL-2317
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Abhishek Girish
> Assignee: Jinfeng Ni
>
> A UNION ALL on two sub-queries with only a single column projected, and GROUP
> BY on the whole query fails with an IndexOutOfBoundsException
> *The following query fails to execute:*
> {code:sql}
> SELECT c1
> FROM ((SELECT ss_quantity AS c1
> FROM store_sales limit 1)
> UNION ALL
> (SELECT ws_quantity AS c2
> FROM web_sales limit 1)
> ) foo
> GROUP BY c1;
> {code}
> *The following query also fails to execute:*
> {code:sql}
> SELECT distinct(c)
> FROM ((SELECT ss_quantity AS c
> FROM store_sales limit 1)
> UNION ALL
> (SELECT ws_quantity AS c
> FROM web_sales limit 1)
> ) ;
> {code}
> Error:
> Query failed: RemoteRpcException: Failure while running fragment., index: 0,
> length: 1 (expected: range(0, 0))
> LOG message indicates java.lang.IndexOutOfBoundsException
> *The following query executes fine:*
> {code:sql}
> SELECT c1
> FROM ((SELECT ss_quantity AS c1, ss_item_sk c3
> FROM store_sales limit 1)
> UNION ALL
> (SELECT ws_quantity AS c2, ws_item_sk c4
> FROM web_sales limit 1)
> ) foo
> GROUP BY c1;
> {code}
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