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Posted to issues@calcite.apache.org by "Zoltan Haindrich (Jira)" <ji...@apache.org> on 2020/05/06 13:26:00 UTC
[jira] [Commented] (CALCITE-3887) Filter and Join conditions may
not need to retain nullability during simplifications
[ https://issues.apache.org/jira/browse/CALCITE-3887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17100799#comment-17100799 ]
Zoltan Haindrich commented on CALCITE-3887:
-------------------------------------------
RelBuilder was already doing this by calling the right methods - I've added some tests.
> Filter and Join conditions may not need to retain nullability during simplifications
> ------------------------------------------------------------------------------------
>
> Key: CALCITE-3887
> URL: https://issues.apache.org/jira/browse/CALCITE-3887
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Reported by [~icshuo]: that there are situation in which join conditions are placed inside a redundant `CAST`.
> https://mail-archives.apache.org/mod_mbox/calcite-dev/202003.mbox/%3CCABYySnvtrMFWaBqM7_FgKedXELdXeCqciRJV7G4MyYN07HUOnQ%40mail.gmail.com%3E
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