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Posted to dev@drill.apache.org by "Jinfeng Ni (JIRA)" <ji...@apache.org> on 2013/12/08 05:37:35 UTC

[jira] [Updated] (DRILL-316) Explicit cast support in Drill execution engine

     [ https://issues.apache.org/jira/browse/DRILL-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinfeng Ni updated DRILL-316:
-----------------------------

    Attachment:     (was: DRILL-316.2.patch.txt)

> Explicit cast support in Drill execution engine
> -----------------------------------------------
>
>                 Key: DRILL-316
>                 URL: https://issues.apache.org/jira/browse/DRILL-316
>             Project: Apache Drill
>          Issue Type: Improvement
>            Reporter: Jinfeng Ni
>            Assignee: Jinfeng Ni
>         Attachments: DRILL-316.3.patch.txt
>
>
> Explicit cast support currently is not available. Explicit cast would be useful, since 1) once optiq pass the cast function into logical/physical plan, drill execution engine need to parse the cast function in the expression and do the casting work, 2) implicit cast would internally build an explicit cast function call, to do the casting work. 



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