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https://issues.apache.org/jira/browse/IMPALA-9531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-9531 started by Adam Tamas.
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> Drop support for "dateless timestamps"
> --------------------------------------
>
> Key: IMPALA-9531
> URL: https://issues.apache.org/jira/browse/IMPALA-9531
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Csaba Ringhofer
> Assignee: Adam Tamas
> Priority: Minor
>
> Currently cast("15:42:00" as timestamp) doesn't return NULL, but it should,
> as the resulting timestamps are more or less useless:
> - other fileformats than text do not support them
> - most built-in unctions don't support them - even those where it could make
> sense
> IMPALA-5942 contains more details about these issues.
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