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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/07/19 08:38:04 UTC

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

Reynold Xin created SPARK-9177:
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             Summary: 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


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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