On 2/2/2016 3:27 PM, Guyren Howe wrote:
> I feel like I'm pretty decent with Postgres. But I saw the following
> query on the excellent Periscope blog. I've no idea how it works, and
> the various symbols involved are difficult to look up either with
> google or in the documentation. I believe the @ sign is probably ABS,
> but the <= clause in the consequent of a when-then is something I
> haven't seen before. I'm comfortable with the rest. Can someone
> explain how this works?
>
<= is less than or equal to.
--
john r pierce, recycling bits in santa cruz