Re: Understanding setof

On Fri, Apr 4, 2014 at 12:42 PM, Robert James <srobertjames(at)gmail(dot)com>wrote:

> I'm having trouble with setof returning functions
>
> Let's say I have function x() returning setof integers. I want to do
> SELECT x(), but only keep the values which meet a criteria. Something
> like: SELECT x() as xval WHERE xval = 10.
>
> How can I do that?
>
> In general, is there a way to "unroll" a setof into a regular query?
>

Just add a FROM:

select * from x() as xval where xval=10;

Cheers,

Jeff