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https://issues.apache.org/jira/browse/HIVE-28299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17856472#comment-17856472
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Denys Kuzmenko commented on HIVE-28299:
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Merged to master.
Thanks for the patch [~zhangbutao]!
> Iceberg: Optimize show partitions through column projection
> -----------------------------------------------------------
>
> Key: HIVE-28299
> URL: https://issues.apache.org/jira/browse/HIVE-28299
> Project: Hive
> Issue Type: Improvement
> Components: Iceberg integration
> Reporter: Butao Zhang
> Assignee: Butao Zhang
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> In the current *show partitions* implementation, we need to fetch all columns
> data, but in fact we only need two columns data, *partition* & {*}spec_id{*}.
> We can only fetch the two columns through column project, and this can
> improve the performance in case of big iceberg partition table.
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