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https://issues.apache.org/jira/browse/HIVE-12667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-12667:
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Attachment: HIVE-12667.1.patch
re-upload to trigger run
> Proper fix for HIVE-12473
> -------------------------
>
> Key: HIVE-12667
> URL: https://issues.apache.org/jira/browse/HIVE-12667
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-12667.1.patch, HIVE-12667.1.patch
>
>
> HIVE-12473 has added an incorrect comment and also lacks a test case.
> Benefits of this fix:
> * Does not say: "Probably doesn't work"
> * Does not use grammar like "subquery columns and such"
> * Adds test cases, that let you verify the fix
> * Doesn't rely on certain structure of key expr, just takes the type at
> compile time
> * Doesn't require an additional walk of each key expression
> * Shows the type used in explain
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