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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2020/11/03 00:45:00 UTC
[jira] [Resolved] (CALCITE-4345) SUM CASE WHEN xxx THEN 1 without
"ELSE" throws NPE in AggregateCaseToFilterRule
[ https://issues.apache.org/jira/browse/CALCITE-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Hyde resolved CALCITE-4345.
----------------------------------
Resolution: Fixed
Fixed in [c7084568|https://github.com/apache/calcite/commit/c70845687337ac65d00d3680d551549b9bda2b56]; thanks for the PR, [~Aron.tao]!
> SUM CASE WHEN xxx THEN 1 without "ELSE" throws NPE in AggregateCaseToFilterRule
> -------------------------------------------------------------------------------
>
> Key: CALCITE-4345
> URL: https://issues.apache.org/jira/browse/CALCITE-4345
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jiatao Tao
> Assignee: Julian Hyde
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.27.0
>
> Attachments: image-2020-10-19-16-59-44-900.png
>
> Time Spent: 4h
> Remaining Estimate: 0h
>
> Add a test in CsvTest:
>
> {code:java}
> @Test void testSumCaseWhenWithoutElse() throws SQLException {
> sql("model", "select sum( CASE WHEN empno=10 THEN 1 END ) from EMPS").ok();
> }
> {code}
> Will throw NPE
>
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