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https://issues.apache.org/jira/browse/CALCITE-5045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17539829#comment-17539829
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Yingyu Wang commented on CALCITE-5045:
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[~yanjing.wang] is the fix for this problem depends on the PR for CALCITE-4512 ?
Can this issue be fixed separately?
> Alias within GroupingSets throws type mis-match exception
> ---------------------------------------------------------
>
> Key: CALCITE-5045
> URL: https://issues.apache.org/jira/browse/CALCITE-5045
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.29.0
> Environment: jdk8
> Reporter: yanjing.wang
> Assignee: yanjing.wang
> Priority: Major
> Fix For: 1.31.0
>
>
> {noformat}
> @Test void testAliasWithinGroupingSets() {
> final String sql = "SELECT empno / 2 AS x\n"
> + "FROM emp\n"
> + "GROUP BY ROLLUP(x)";
> sql(sql)
> .withConformance(SqlConformanceEnum.LENIENT)
> .ok();
> }{noformat}
> the above test throws
> {noformat}
> Conversion to relational algebra failed to preserve datatypes:
> validated type:
> RecordType(INTEGER NOT NULL X) NOT NULL
> converted type:
> RecordType(INTEGER X) NOT NULL{noformat}
> The X has lost its NOT NULL constraints.
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