[jira] [Commented] (SPARK-13772) DataType mismatch about decimal

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-13772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15187065#comment-15187065 ] 

Apache Spark commented on SPARK-13772:
--------------------------------------

User 'cenyuhai' has created a pull request for this issue:
https://github.com/apache/spark/pull/11605

> DataType mismatch about decimal
> -------------------------------
>
>                 Key: SPARK-13772
>                 URL: https://issues.apache.org/jira/browse/SPARK-13772
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.0
>         Environment: spark1.6.0 hadoop2.2.0 jdk1.7.0_79
>            Reporter: cen yuhai
>
> I found a bug：
> select if(1=1, cast(1 as double), cast(1.1 as decimal) as a from test
> It will throw exceptions like this：
> Error in query: cannot resolve 'if ((1 = 1)) cast(1 as double) else cast(1.1 as decimal(10,0))' due to data type mismatch: differing types in 'if ((1 = 1)) cast(1 as double) else cast(1.1 as decimal(10,0))' (double and decimal(10,0)).; line 1 pos 37
> I also test：
> select if(1=1,cast(1 as decimal),cast(1 as decimal(19,6))) from test;
> Error in query: cannot resolve 'if ((1 = 1)) cast(1 as decimal(10,0)) else cast(1 as decimal(19,6))' due to data type mismatch: differing types in 'if ((1 = 1)) cast(1 as decimal(10,0)) else cast(1 as decimal(19,6))' (decimal(10,0) and decimal(19,6)).; line 1 pos 38



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