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From Alan Gates <alanfga...@gmail.com>
Subject Re: SELECT without FROM
Date Wed, 09 Mar 2016 15:46:23 GMT
I’m not aware of any JIRA on it.  The easiest way to find out will be to look at the git
history of Hive’s grammar file and see when it changed.

As for taking out, we shouldn’t since it’s valid SQL and we’re pushing towards more
ANSI compliance.

Alan.

> On Mar 9, 2016, at 01:50, Dmitry Tolpeko <dmtolpeko@gmail.com> wrote:
> 
> I noticed that Hive allows you to execute SELECT without FROM clause (tested in Hive
0.14, Hive 1.2.1):
> 
> SELECT 1+1;
> 
> In which version was it added (is there a Jira)? I see that it is not mentioned in docs
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select
> 
> So the question whether it is official and will not be removed in future.
> 
> Thanks, 
> 
> Dmitry


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