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From "Hari Sankar Sivarama Subramaniyan (JIRA)" <>
Subject [jira] [Commented] (HIVE-5352) cast('1.0' as int) returns null
Date Fri, 27 Sep 2013 08:11:03 GMT


Hari Sankar Sivarama Subramaniyan commented on HIVE-5352:

Would suggest that we document this behavior in
> cast('1.0' as int) returns null
> -------------------------------
>                 Key: HIVE-5352
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>             Fix For: 0.12.0
>         Attachments: HIVE-5352.1.patch, HIVE-5352.2.patch, HIVE-5352.3.patch, HIVE-5352.4.patch,
> Casting strings to int/smallint/bigint/tinyint yields null if the string isn't a 'pure'
integer. '1.0', '2.4' all return null. I think for those cases the cast should return the
truncated int (i.e.: if c is string, cast(c as int) should be the same as cast(cast(c as float)
as int).
> This is in line with the standard and is the same behavior as mysql and oracle. (postgres
and sql server throw error, see first answer here:

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