[
https://issues.apache.org/jira/browse/CALCITE-2078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Julian Hyde resolved CALCITE-2078.
----------------------------------
Resolution: Fixed
Fix Version/s: 1.15.0
Fixed in
[c7d9b3d5|http://git-wip-us.apache.org/repos/asf/calcite/commit/c7d9b3d5].
Thanks for the PR, [~Liao]!
> Aggregate functions in OVER clause
> ----------------------------------
>
> Key: CALCITE-2078
> URL: https://issues.apache.org/jira/browse/CALCITE-2078
> Project: Calcite
> Issue Type: Bug
> Reporter: Liao Xintao
> Assignee: Julian Hyde
> Fix For: 1.15.0
>
>
> When window functions use aggregate functions in PARTITION BY or ORDER BY
> sub-clause of the OVER clause, Calcite gives a NullPointerException.
> Currently the scene of window functions on top of nested aggregations is
> already in consideration, however, that one as follow is not:
> {code:sql}
> select
> sum(sal),
> rank() over (order by sum(sal))
> from emp
> group by deptno
> {code}
> An NPE from SqlToRelConverter:
> {code}
> java.lang.NullPointerException
> at
> com.google.common.base.Preconditions.checkNotNull(Preconditions.java:212)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4470)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertOver(SqlToRelConverter.java:1839)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.access$1500(SqlToRelConverter.java:213)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4462)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.createAggImpl(SqlToRelConverter.java:2857)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertAgg(SqlToRelConverter.java:2675)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:660)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:622)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3085)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:558)
> at
> org.apache.calcite.test.SqlToRelTestBase$TesterImpl.convertSqlToRel(SqlToRelTestBase.java:574)
> at
> org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:137)
> at
> org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:120)
> at
> org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:95)
> at
> org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:84)
> at
> org.apache.calcite.test.RelOptRulesTest.testWindowAggregatesWithOrderByAgg(RelOptRulesTest.java:2722)
> {code}
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