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From "Zongheng Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-2155) Support effectful / non-deterministic key expressions in CASE WHEN statements
Date Mon, 16 Jun 2014 18:12:02 GMT

     [ https://issues.apache.org/jira/browse/SPARK-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zongheng Yang updated SPARK-2155:
---------------------------------

    Description: Currently we translate CASE KEY WHEN to CASE WHEN, hence incurring redundant
evaluations of the key expression. Relevant discussions here: https://github.com/apache/spark/pull/1055/files#r13784248
 (was: Currently we translate CASE KEY WHEN to CASE WHEN, hence incurring redundant evaluations
of the key expression. Relevant discussions here:

https://github.com/apache/spark/pull/1055/files#r13784248)

> Support effectful / non-deterministic key expressions in CASE WHEN statements
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-2155
>                 URL: https://issues.apache.org/jira/browse/SPARK-2155
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Zongheng Yang
>
> Currently we translate CASE KEY WHEN to CASE WHEN, hence incurring redundant evaluations
of the key expression. Relevant discussions here: https://github.com/apache/spark/pull/1055/files#r13784248



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