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https://issues.apache.org/jira/browse/SPARK-30525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-30525:
-----------------------------------
Assignee: Hu Fuwang
> HiveTableScanExec do not need to prune partitions again after pushing down to
> hive metastore
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-30525
> URL: https://issues.apache.org/jira/browse/SPARK-30525
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Hu Fuwang
> Assignee: Hu Fuwang
> Priority: Major
>
> In HiveTableScanExec, it will push down to hive metastore for partition
> pruning if _spark.sql.hive.metastorePartitionPruning_ is true, and then it
> will prune the returned partitions again using partition filters, because
> some predicates, eg. "b like 'xyz'", are not supported in hive metastore. But
> now this problem is already fixed in
> HiveExternalCatalog.listPartitionsByFilter, the
> HiveExternalCatalog.listPartitionsByFilter can return exactly what we want
> now. So it is not necessary any more to double prune in HiveTableScanExec.
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