[jira] [Resolved] (IMPALA-4581) Consider validating the time component of a timestamp that's read from Parquet

["Tim Armstrong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-4581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-4581.
-----------------------------------
    Resolution: Fixed

> Consider validating the time component of a timestamp that's read from Parquet
> ------------------------------------------------------------------------------
>
>                 Key: IMPALA-4581
>                 URL: https://issues.apache.org/jira/browse/IMPALA-4581
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 2.8.0
>            Reporter: Taras Bobrovytsky
>            Priority: Major
>
> In IMPALA-4363, we decided not to validate the time component of timestamp because it was not clear how to handle leap seconds. This means that currently timestamps read from a Parquet file can look like:
> {code}
> 1995-01-01 54:34:17
> {code}
> We need to learn more about the behavior of such timestamp values and figure out if they might cause a crash.



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