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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/07/13 23:44:04 UTC

[jira] [Created] (SPARK-9020) Support mutable state in code gen expressions

Reynold Xin created SPARK-9020:
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             Summary: Support mutable state in code gen expressions
                 Key: SPARK-9020
                 URL: https://issues.apache.org/jira/browse/SPARK-9020
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
            Reporter: Reynold Xin
            Assignee: Wenchen Fan


Some expressions have state in them (e.g. Rand, MonotonicallyIncreasingID). We currently don't support code-gen any expressions that have mutable states.



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