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Posted to issues@hive.apache.org by "Jason Dere (JIRA)" <ji...@apache.org> on 2017/10/12 00:20:00 UTC
[jira] [Assigned] (HIVE-17782) Inconsistent cast behavior from
string to numeric types with regards to leading/trailing spaces
[ https://issues.apache.org/jira/browse/HIVE-17782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Dere reassigned HIVE-17782:
---------------------------------
> Inconsistent cast behavior from string to numeric types with regards to leading/trailing spaces
> -----------------------------------------------------------------------------------------------
>
> Key: HIVE-17782
> URL: https://issues.apache.org/jira/browse/HIVE-17782
> Project: Hive
> Issue Type: Bug
> Components: Types
> Reporter: Jason Dere
> Assignee: Jason Dere
>
> {noformat}
> select cast(' 1 ' as tinyint), cast(' 1 ' as smallint), cast(' 1 ' as int), cast(' 1 ' as bigint), cast(' 1 ' as float), cast(' 1 ' as double), cast(' 1 ' as decimal(10,2))
> NULL NULL NULL NULL 1.0 1.0 1
> {noformat}
> Looks like integer types (short, int, etc) fail the conversion due to the leading/trailing spaces and return NULL, while float/double/decimal do not. In fact, Decimal used to also return NULL in previous versions up until HIVE-10799.
> Let's try to make this behavior consistent across all of these types, should be simple enough to strip spaces before passing to number formatter.
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