[jira] [Commented] (SPARK-22520) Support code generation also for complex CASE WHEN
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https://issues.apache.org/jira/browse/SPARK-22520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16268371#comment-16268371
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Apache Spark commented on SPARK-22520:
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User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/19830
> Support code generation also for complex CASE WHEN
> --
>
> Key: SPARK-22520
> URL: https://issues.apache.org/jira/browse/SPARK-22520
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 2.3.0
>Reporter: Marco Gaido
>Assignee: Marco Gaido
>Priority: Minor
> Fix For: 2.3.0
>
>
> Code generation is disabled for CaseWhen when the number of branches is
> higher than {{spark.sql.codegen.maxCaseBranches}} (which defaults to 20).
> This was done in SPARK-13242 to prevent the well known 64KB method limit
> exception.
> This tickets proposes to support code generation also in those cases (without
> causing exceptions of course). As a side effect, we could get rid of the
> {{spark.sql.codegen.maxCaseBranches}} configuration.
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[jira] [Commented] (SPARK-22520) Support code generation also for complex CASE WHEN
[
https://issues.apache.org/jira/browse/SPARK-22520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16252561#comment-16252561
]
Apache Spark commented on SPARK-22520:
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User 'mgaido91' has created a pull request for this issue:
https://github.com/apache/spark/pull/19752
> Support code generation also for complex CASE WHEN
> --
>
> Key: SPARK-22520
> URL: https://issues.apache.org/jira/browse/SPARK-22520
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 2.3.0
>Reporter: Marco Gaido
>Priority: Minor
>
> Code generation is disabled for CaseWhen when the number of branches is
> higher than {{spark.sql.codegen.maxCaseBranches}} (which defaults to 20).
> This was done in SPARK-13242 to prevent the well known 64KB method limit
> exception.
> This tickets proposes to support code generation also in those cases (without
> causing exceptions of course). As a side effect, we could get rid of the
> {{spark.sql.codegen.maxCaseBranches}} configuration.
--
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