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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-4552) During inference, treat decimal literals as Double when planner.enable_decimal_data_type is off
Date Thu, 28 Apr 2016 00:18:12 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Hsuan-Yi Chu updated DRILL-4552:
-------------------------------------
    Summary: During inference, treat decimal literals as Double when planner.enable_decimal_data_type
is off  (was: Treat decimal literals as Double when planner.enable_decimal_data_type is off)

> During inference, treat decimal literals as Double when planner.enable_decimal_data_type
is off
> -----------------------------------------------------------------------------------------------
>
>                 Key: DRILL-4552
>                 URL: https://issues.apache.org/jira/browse/DRILL-4552
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Query Planning & Optimization
>            Reporter: Sean Hsuan-Yi Chu
>            Assignee: Sean Hsuan-Yi Chu
>
> In SQL standard, decimal literals (e.g., 1.2, 2.5, etc) are Decimal type. In Drill, when
`planner.enable_decimal_data_type` is off, they are treated as Double.
> In the context of type inference, the current behavior is "not to do any inference if
the operand is Decimal type". (To be more exact, treat them as ANY type and defer to the execution
to make the decision.) However, 



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