[jira] [Updated] (HIVE-6560) varchar and char types cannot be cast to binary

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

     [ https://issues.apache.org/jira/browse/HIVE-6560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao updated HIVE-6560:
-----------------------

    Attachment: HIVE-6560.1.patch

I've proposed a patch for this issue,. Can someone please give a review for this? Thanks.

> varchar and char types cannot be cast to binary
> -----------------------------------------------
>
>                 Key: HIVE-6560
>                 URL: https://issues.apache.org/jira/browse/HIVE-6560
>             Project: Hive
>          Issue Type: Bug
>          Components: Types, UDF
>    Affects Versions: 0.12.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-6560.1.patch
>
>
> GenericUDFToBinary can convert string to binary. VARCHAR and CHAR are substitutable with string. Thus, GenericUDFToBinary should also be able to convert VARCHAR and CHAR to binary. However,
> {code}
> hive> select binary(cast('abc' as varchar(5)) from decimal_udf limit 1;
> FAILED: ParseException line 1:40 missing ) at 'from' near '<EOF>'
> hive> select binary(cast('abc' as varchar(5))) from decimal_udf limit 1;
> FAILED: SemanticException Line 0:-1 Wrong arguments ''abc'': Only string or binary data can be cast into binary data types.
> {code}



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