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Posted to dev@tajo.apache.org by "DaeMyung Kang (JIRA)" <ji...@apache.org> on 2013/12/06 15:12:35 UTC

[jira] [Updated] (TAJO-391) Change setting default type in query from FLOAT4 to FLOAT8

     [ https://issues.apache.org/jira/browse/TAJO-391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

DaeMyung Kang updated TAJO-391:
-------------------------------

    Attachment: TAJO-391.patch

> Change setting default type in query from FLOAT4 to FLOAT8
> ----------------------------------------------------------
>
>                 Key: TAJO-391
>                 URL: https://issues.apache.org/jira/browse/TAJO-391
>             Project: Tajo
>          Issue Type: Improvement
>            Reporter: DaeMyung Kang
>            Assignee: DaeMyung Kang
>            Priority: Minor
>         Attachments: TAJO-391.patch
>
>
> FLOAT4 is default parsed float type in tajo.
> but it can cause some trobles when we use it as FLOAT8.
> for examples.
> 0.4(f) will changed to 0.40000000000005(d)
> so it cause different result from java.Math functions.



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