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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/07/19 19:46:04 UTC

[jira] [Assigned] (SPARK-9177) Reuse Calendar instance in WeekOfYear

     [ https://issues.apache.org/jira/browse/SPARK-9177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-9177:
-----------------------------------

    Assignee: Apache Spark

> Reuse Calendar instance in WeekOfYear
> -------------------------------------
>
>                 Key: SPARK-9177
>                 URL: https://issues.apache.org/jira/browse/SPARK-9177
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Apache Spark
>
> Right now WeekOfYear creates a new Calendar instance for every record, both in code gen and in interpreted mode. We should just reuse the same Calendar instance (i.e. initialize it as a member variable in interpreted mode, and use mutable state in codegen mode).



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