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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/07/30 00:13:05 UTC

[jira] [Created] (SPARK-9448) GenerateUnsafeProjection should not share expressions across instances

Reynold Xin created SPARK-9448:
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             Summary: GenerateUnsafeProjection should not share expressions across instances
                 Key: SPARK-9448
                 URL: https://issues.apache.org/jira/browse/SPARK-9448
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Reynold Xin
            Assignee: Reynold Xin
            Priority: Blocker


We accidentally moved the list of expressions from the generated code instance to the class wrapper, and as a result, different threads are sharing the same set of expressions, which cause problems when the expressions have mutable state.





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