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https://issues.apache.org/jira/browse/CALCITE-766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-766.
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Resolution: Duplicate
> RexBuilder.ensureType() does not correctly handle the case when nullability
> needs to be ignored
> -----------------------------------------------------------------------------------------------
>
> Key: CALCITE-766
> URL: https://issues.apache.org/jira/browse/CALCITE-766
> Project: Calcite
> Issue Type: Bug
> Reporter: Mehant Baid
> Assignee: Julian Hyde
>
> In ensureType() we don't correctly handle the case when nullability should be
> ignored. We still compare digests of the two types which returns false even
> when the types are the same but differ only in nullability.
> Created a [Pull Request|https://github.com/apache/incubator-calcite/pull/97]
> with the description of the issue and a unit test.
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