,
~ Shawn M Lavelle
From: Edward Capriolo [mailto:edlinuxg...@gmail.com]
Sent: Tuesday, March 08, 2016 6:10 PM
To: user@hive.apache.org
Subject: Re: Simple UDFS and IN Operator
The IN UDF is a special one in that unlike many others there is support in the
ANTLR language and parsers for it. The
> In Hive 0.11, I¹ve written a UDF that returns a list of Integers. I¹d
>like to use this in a WHERE clause of a query, something like SELECT *
>FROM WHERE in ( getList()).
...
> Joins would be ideal, but we haven¹t upgraded yet.
IN() is actually rewritten into a JOIN (distinct ...) intern
The IN UDF is a special one in that unlike many others there is support in
the ANTLR language and parsers for it. The rough answer is it can be done
but it is not as direct as making other UDFs.
On Tue, Mar 8, 2016 at 2:32 PM, Lavelle, Shawn
wrote:
> Hello All,
>
>I hope that this question