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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/07/04 21:44:11 UTC
[jira] [Commented] (SPARK-16370) Union queries with side effects
should be executed eagerly
[ https://issues.apache.org/jira/browse/SPARK-16370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361790#comment-15361790 ]
Apache Spark commented on SPARK-16370:
--------------------------------------
User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/14048
> Union queries with side effects should be executed eagerly
> ----------------------------------------------------------
>
> Key: SPARK-16370
> URL: https://issues.apache.org/jira/browse/SPARK-16370
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Dongjoon Hyun
>
> Currently, some queries having side effects like `Command`, `InsertIntoTable`, and `CreateTableUsingAsSelect` are executed eagerly.
> However, for `UNION` queries, they are executed only in `UNION ALL` queries with all children having side effects.
> This issue executes them eagerly for both `UNION` and `UNION ALL` queries if one of their children has side effects.
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