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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/05/21 15:26:00 UTC
[jira] [Assigned] (SPARK-39249) Improve subexpression elimination for conditional expressions
[ https://issues.apache.org/jira/browse/SPARK-39249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-39249:
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Assignee: Apache Spark
> Improve subexpression elimination for conditional expressions
> -------------------------------------------------------------
>
> Key: SPARK-39249
> URL: https://issues.apache.org/jira/browse/SPARK-39249
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: EdisonWang
> Assignee: Apache Spark
> Priority: Minor
>
> Currently we can do subexpression elimination for conditional expressions when the subexpression is common across all {{{}branchGroups{}}}. In fact, we can farther improve this when there are common expressions between {{alwaysEvaluatedInputs}} and {{{}branchGroups{}}}.
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