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https://issues.apache.org/jira/browse/SPARK-45387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17814150#comment-17814150
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Jie Han commented on SPARK-45387:
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I can't reproduce, can you give me a short reproduction?
> Partition key filter cannot be pushed down when using cast
> ----------------------------------------------------------
>
> Key: SPARK-45387
> URL: https://issues.apache.org/jira/browse/SPARK-45387
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.1, 3.1.2, 3.3.0, 3.4.0
> Reporter: TianyiMa
> Priority: Critical
> Attachments: PruneFileSourcePartitions.diff
>
>
> Suppose we have a partitioned table `table_pt` with partition colum `dt`
> which is StringType and the table metadata is managed by Hive Metastore, if
> we filter partition by dt = '123', this filter can be pushed down to data
> source, but if the filter condition is number, e.g. dt = 123, that cannot be
> pushed down to data source, causing spark to pull all of that table's
> partition meta data to client, which is poor of performance if the table has
> thousands of partitions and increasing the risk of hive metastore oom.
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