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Posted to issues@drill.apache.org by "Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org> on 2015/03/23 19:36:52 UTC
[jira] [Updated] (DRILL-1927) Aggregation or Group-By on a CASE
expression with IN subquery fails
[ https://issues.apache.org/jira/browse/DRILL-1927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Hsuan-Yi Chu updated DRILL-1927:
-------------------------------------
Assignee: Sean Hsuan-Yi Chu (was: Aman Sinha)
> Aggregation or Group-By on a CASE expression with IN subquery fails
> -------------------------------------------------------------------
>
> Key: DRILL-1927
> URL: https://issues.apache.org/jira/browse/DRILL-1927
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.7.0
> Reporter: Aman Sinha
> Assignee: Sean Hsuan-Yi Chu
> Fix For: 0.9.0
>
>
> The following queries fail within Calcite and depend on the fix for CALCITE-516. I am creating a Drill JIRA such that we can add tests with data verification.
> {code}
> select (case when emp.empno in (3) then 0 else 1 end)
> from emp
> group by (case when emp.empno in (3) then 0 else 1 end);
> java.lang.AssertionError: Internal error: while converting CASE WHEN `EMP`.`EMPNO` IN (3) THEN 0 ELSE 1 END
> at org.eigenbase.util.Util.newInternal(Util.java:750)
> at org.eigenbase.sql2rel.ReflectiveConvertletTable$1.convertCall(ReflectiveConvertletTable.java:93)
> at org.eigenbase.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:52)
> at org.eigenbase.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4093)
> at org.eigenbase.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:1)
> at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125)
> at org.eigenbase.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:3988)
> at org.eigenbase.sql2rel.SqlToRelConverter$AggConverter.addGroupExpr(SqlToRelConverter.java:4314)
> at org.eigenbase.sql2rel.SqlToRelConverter.createAggImpl(SqlToRelConverter.java:2240)
> at org.eigenbase.sql2rel.SqlToRelConverter.convertAgg(SqlToRelConverter.java:2191)
> at org.eigenbase.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:514)
> at org.eigenbase.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:474)
> {code}
> {code}
> SELECT SUM(CASE WHEN empno IN (3) THEN 0 ELSE 1 END) FROM emp;
> java.lang.AssertionError: Internal error: Identifier 'EMP.EMPNO' is not a group expr
> at org.apache.calcite.util.Util.newInternal(Util.java:727)
> at org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:3307)
> at org.apache.calcite.sql2rel.SqlToRelConverter.access$6(SqlToRelConverter.java:3296)
> at org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4299)
> at org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:1)
> at org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:271)
> at org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4182)
> at org.apache.calcite.sql2rel.SqlToRelConverter.substituteSubquery(SqlToRelConverter.java:979)
> at org.apache.calcite.sql2rel.SqlToRelConverter.replaceSubqueries(SqlToRelConverter.java:937)
> at org.apache.calcite.sql2rel.SqlToRelConverter.createAggImpl(SqlToRelConverter.java:2685)
> at org.apache.calcite.sql2rel.SqlToRelConverter.convertAgg(SqlToRelConverter.java:2525)
> at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:608)
> {code}
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