[jira] [Commented] (SPARK-20194) Support partition pruning for InMemoryCatalog

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-20194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15952710#comment-15952710 ] 

Apache Spark commented on SPARK-20194:
--------------------------------------

User 'adrian-ionescu' has created a pull request for this issue:
https://github.com/apache/spark/pull/17510

> Support partition pruning for InMemoryCatalog
> ---------------------------------------------
>
>                 Key: SPARK-20194
>                 URL: https://issues.apache.org/jira/browse/SPARK-20194
>             Project: Spark
>          Issue Type: Improvement
>          Components: Optimizer
>    Affects Versions: 2.1.0
>            Reporter: Adrian Ionescu
>
> {{listPartitionsByFilter()}} is not yet implemented for {{InMemoryCatalog}}:
> {quote}
>  // TODO: Provide an implementation
>     throw new UnsupportedOperationException(
>       "listPartitionsByFilter is not implemented for InMemoryCatalog")
> {quote}
> Because of this, there is a hack in {{FindDataSourceTable}} that avoids passing along the {{CatalogTable}} to the {{DataSource}} it creates when the catalog implementation is not "hive", so that, when the latter is resolved, an {{InMemoryFileIndex}} is created instead of a {{CatalogFileIndex}} which the {{PruneFileSourcePartitions}} rule matches for.



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