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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/01/04 22:28:39 UTC

[jira] [Updated] (DRILL-149) Update Expression parser so that a combined NULL_IF_NULL tree does vectorized null operations

     [ https://issues.apache.org/jira/browse/DRILL-149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-149:
---------------------------------
    Issue Type: New Feature  (was: Bug)

> Update Expression parser so that a combined NULL_IF_NULL tree does vectorized null operations
> ---------------------------------------------------------------------------------------------
>
>                 Key: DRILL-149
>                 URL: https://issues.apache.org/jira/browse/DRILL-149
>             Project: Apache Drill
>          Issue Type: New Feature
>         Environment: If a portion of an expression tree is all NULL_IF_NULL, then we can use null bitvector intersection operations at the end of the expression tree and manage the nullability separately.
>            Reporter: Jacques Nadeau
>             Fix For: Future
>
>




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