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Posted to issues@spark.apache.org by "Ryan Blue (JIRA)" <ji...@apache.org> on 2018/01/24 18:43:00 UTC
[jira] [Updated] (SPARK-23203) DataSourceV2 should use immutable
trees.
[ https://issues.apache.org/jira/browse/SPARK-23203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan Blue updated SPARK-23203:
------------------------------
Environment: (was: The DataSourceV2 integration doesn't use [immutable trees|https://databricks.com/blog/2015/04/13/deep-dive-into-spark-sqls-catalyst-optimizer.html], which is a basic requirement of Catalyst. The v2 relation should not wrap a mutable reader and change the logical plan by pushing projections and filters.)
> DataSourceV2 should use immutable trees.
> ----------------------------------------
>
> Key: SPARK-23203
> URL: https://issues.apache.org/jira/browse/SPARK-23203
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Ryan Blue
> Priority: Major
>
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