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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/08/30 12:31:00 UTC

[jira] [Assigned] (SPARK-32741) Check if the same ExprId refers to the unique attribute in logical plans

     [ https://issues.apache.org/jira/browse/SPARK-32741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-32741:
------------------------------------

    Assignee:     (was: Apache Spark)

> Check if the same ExprId refers to the unique attribute in logical plans
> ------------------------------------------------------------------------
>
>                 Key: SPARK-32741
>                 URL: https://issues.apache.org/jira/browse/SPARK-32741
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Takeshi Yamamuro
>            Priority: Major
>
> Some plan transformations (e.g., `RemoveNoopOperators`) implicitly assume the same `ExprId` refers to the unique attribute. But, `RuleExecutor` does not check this integrity between logical plan transformations. So, this ticket targets at adding this check in `isPlanIntegral` of `Analyzer`/`Optimizer`.
> This PR comes from the talk with @cloud-fan @viirya in https://github.com/apache/spark/pull/29485#discussion_r475346278



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