[jira] [Assigned] (IMPALA-11339) Implement LOAD DATA INPATH for Iceberg tables

["LiPenglin (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-11339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

LiPenglin reassigned IMPALA-11339:
----------------------------------

    Assignee: LiPenglin

> Implement LOAD DATA INPATH for Iceberg tables
> ---------------------------------------------
>
>                 Key: IMPALA-11339
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11339
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>            Reporter: Zoltán Borók-Nagy
>            Assignee: LiPenglin
>            Priority: Major
>              Labels: impala-iceberg
>
> Currently Impala doesn't support LOAD DATA statements for Iceberg tables.
> Some user workflows still use this statement, so it would be nice to implement it in some way.
> A possible solution would be to
>  # create a temp table on those sets of files with the right schema
>  # run a {{insert into iceberg table select * from tmp table}}
>  # drop the tmp table and delete the files in the staging directory
> It does some copying, but probably this would be the safest solution.
> Users might specify the partition columns in the [PARTITION (partcol1=val1, partcol2=val2 ...)] clause. In this case the data files don't necessarily contain the partition values, i.e. we need to create the tmp table with proper partitioning.



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