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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2021/02/22 08:13:00 UTC
[jira] [Commented] (CALCITE-4505) SqlToRelConverter should support
converting 'in condition clause' in 'agg function' such as 'count(if(id in
(1), 1, null))' to rel expression by default
[ https://issues.apache.org/jira/browse/CALCITE-4505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17288239#comment-17288239 ]
Julian Hyde commented on CALCITE-4505:
--------------------------------------
Is there a better, more minimal test case? {{IF}} is not enabled by default, but it seems that your problem is with {{IN}}, so {{IF}} just confuses the matter.
Does {{COUNT(id IN (1, 2))}} work?
> SqlToRelConverter should support converting 'in condition clause' in 'agg function' such as 'count(if(id in (1), 1, null))' to rel expression by default
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-4505
> URL: https://issues.apache.org/jira/browse/CALCITE-4505
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.26.0
> Environment: jvm: open-jdk8
> Reporter: yanjing.wang
> Priority: Major
> Fix For: 1.27.0
>
>
> String sql = "select id, name, count(if(id in (1) ,1,null)) from test.depts b where ds > 0 group by id,name";
> ...
> sqlToRelConverter.convertQuery(validatedSqlNode, false, true)
>
> it raise npe exception.
> Caused by: java.lang.NullPointerException at java.util.Objects.requireNonNull(Objects.java:203) at org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4914) at org.apache.calcite.sql2rel.StandardConvertletTable.convertExpressionList(StandardConvertletTable.java:839) at org.apache.calcite.sql2rel.StandardConvertletTable.convertFunction(StandardConvertletTable.java:659)
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