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Posted to issues@hive.apache.org by "Ádám Szita (Jira)" <ji...@apache.org> on 2022/06/02 07:50:00 UTC

[jira] [Updated] (HIVE-25421) Fallback from vectorization when reading Iceberg's time columns from ORC files

     [ https://issues.apache.org/jira/browse/HIVE-25421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ádám Szita updated HIVE-25421:
------------------------------
    Summary: Fallback from vectorization when reading Iceberg's time columns from ORC files  (was: Fallback from vectorization when reading Iceberg's time columns)

> Fallback from vectorization when reading Iceberg's time columns from ORC files
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-25421
>                 URL: https://issues.apache.org/jira/browse/HIVE-25421
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ádám Szita
>            Assignee: Ádám Szita
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> As discussed in HIVE-25420 time column is not native Hive type, reading it is more complicated, and is not supported for vectorized read. Trying this currently results in an exception, so we should make an effort to
>  * either gracefully fall back to non-vectorized reads when there's such a column in the query's projection
>  * or work around the reading issue on the execution side.



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