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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/07/29 07:52:04 UTC

[jira] [Resolved] (SPARK-9281) Parse literals as decimal in SQL

     [ https://issues.apache.org/jira/browse/SPARK-9281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin resolved SPARK-9281.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

> Parse literals as decimal in SQL
> --------------------------------
>
>                 Key: SPARK-9281
>                 URL: https://issues.apache.org/jira/browse/SPARK-9281
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Davies Liu
>            Assignee: Davies Liu
>              Labels: releasenotes
>             Fix For: 1.5.0
>
>
> Right now, we use double to parse all the float number in SQL. When it's used in expression together with DecimalType, it will turn the decimal into double as well.
> Also it will loss some precision when using double.
> It's better to parse the float number as decimal (we will know exactly the precision and scale is), it also work well with double.
> BTW, this is a break change. 



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