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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/11/19 07:32:10 UTC

[jira] [Created] (SPARK-11849) Analyzer should replace current_date and current_timestamp with literals

Reynold Xin created SPARK-11849:
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             Summary: Analyzer should replace current_date and current_timestamp with literals
                 Key: SPARK-11849
                 URL: https://issues.apache.org/jira/browse/SPARK-11849
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Reynold Xin
            Assignee: Reynold Xin


We currently rely on the optimizer's constant folding to replace current_timestamp and current_date. However, this can still result in different values for different instances of current_timestamp/current_date if the optimizer is not running fast enough.

A better solution is to replace these functions in the analyzer in one shot.




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