[ https://issues.apache.org/jira/browse/SPARK-23203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Li updated SPARK-23203: ---------------------------- Priority: Blocker (was: Major) > 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: Blocker > > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org