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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2016/01/12 08:57:39 UTC
[jira] [Created] (SPARK-12768) Remove CaseKeyWhen
Reynold Xin created SPARK-12768:
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Summary: Remove CaseKeyWhen
Key: SPARK-12768
URL: https://issues.apache.org/jira/browse/SPARK-12768
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
Assignee: Reynold Xin
CaseKeyWhen was added to improve the performance of "case a when ..." when we did not have common subexpression elimination. We now have that so we can remove CaseKeyWhen.
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