Re: Can I trigger an action from a coalesce ?

[Christophe Pettus]

> On Feb 22, 2020, at 14:36, Tom Lane <t...@sss.pgh.pa.us> wrote:
> The problem that I'm worried about is premature evaluation of the
> "immutable" function, causing the NOTICE to come out once during
> query planning, independently of whether/how many times it should
> come out during execution.

Ah, good point.  My solution also does assume that a DEFAULT expression is only 
evaluated if the default is required, and that behavior isn't (afaik) a promise.

--
-- Christophe Pettus
   x...@thebuild.com