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Posted to dev@drill.apache.org by "Victoria Markman (JIRA)" <ji...@apache.org> on 2015/05/11 01:33:00 UTC
[jira] [Created] (DRILL-3018) Queries with scalar aggregate and
non equality (non correlated) fail to plan
Victoria Markman created DRILL-3018:
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Summary: Queries with scalar aggregate and non equality (non correlated) fail to plan
Key: DRILL-3018
URL: https://issues.apache.org/jira/browse/DRILL-3018
Project: Apache Drill
Issue Type: Bug
Reporter: Victoria Markman
This is a regression.
Both queries worked and returned correct result with May 7 build
(mapr-drill-1.0.0.31658-1.noarch.rpm)
Running with the latest build, I got these two failures:
{code}
select * from j2 where c_integer > (select min(c_bigint) from j7 where c_boolean is null)
Failed with exception
java.sql.SQLException: SYSTEM ERROR: org.apache.drill.exec.work.foreman.UnsupportedRelOperatorException: This query cannot be planned possibly due to either a cartesian join or an inequality
select * from j2 where c_float < (select min(c_float) from j6 where c_boolean is null )
Failed with exception
java.sql.SQLException: SYSTEM ERROR: org.apache.drill.exec.work.foreman.UnsupportedRelOperatorException: This query cannot be planned possibly due to either a cartesian join or an inequality join
{code}
The common pattern between these queries is that function MIN is running over no rows, in both queries there is no correlation to the outer table.
{code}
-- Non correlated
-- Greater than
-- MIN returns NULL
select * from j2 where c_integer > (select min(c_bigint) from j7 where c_boolean is null);
-- Non correlated
-- Less than
-- MIN returns NULL
select * from j2 where c_float < (select min(c_float) from j6 where c_boolean is null );
{code}
QA run details for the reference: http://10.10.104.91:8080/job/Run%20Regression%20QA%20Changes/359/console
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