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https://issues.apache.org/jira/browse/IMPALA-13002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840031#comment-17840031
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ASF subversion and git services commented on IMPALA-13002:
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Commit 99ce967ba60666adff5dd74fd38a06fee7f2c521 in impala's branch
refs/heads/branch-4.4.0 from Zoltan Borok-Nagy
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=99ce967ba ]
IMPALA-13002: Iceberg V2 tables with Avro delete files aren't read properly
If the Iceberg table has Avro delete files (e.g. by setting
'write.delete.format.default'='avro') then Impala won't be able to read
the contents of the delete files properly. It is because the avro
schema is not set properly for the virtual delete table.
Testing:
* added e2e tests with position delete files of all kinds
Change-Id: Iff13198991caf32c51cd9e0ace4454fd00216cf6
Reviewed-on: http://gerrit.cloudera.org:8080/21301
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Reviewed-by: Daniel Becker <daniel.bec...@cloudera.com>
Reviewed-by: Gabor Kaszab <gaborkas...@cloudera.com>
> Iceberg V2 tables with Avro delete files aren't read properly
> -------------------------------------------------------------
>
> Key: IMPALA-13002
> URL: https://issues.apache.org/jira/browse/IMPALA-13002
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Major
> Labels: impala-iceberg
>
> If the Iceberg table has Avro delete files (e.g. by setting
> 'write.delete.format.default'='avro') then Impala won't be able to read the
> contents of the delete files properly.
> Therefore delete records won't be applied to the Iceberg table during reads.
> The new Iceberg V2 operator will raise errors in this case, but if it is
> disabled via 'set disable_optimized_iceberg_v2_read=true' then Impala won't
> be able to detect invalid delete records.
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