Re: Is there a way around function search_path killing SQL function inlining?

On Fri, Aug 12, 2016 at 3:22 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> Let's introduce a new variant of SET that only affects the lexical
>> scope of the function to which it is attached, and then do what you
>> said. That would be full of win, because actually I think in nearly
>> every case that's the behavior people actually want.
>
> Hm. I think that sounds a lot easier than it actually is. As an example,
> this would mean that we'd want such a search_path setting to apply during
> parse analysis of a function's body, but not during planning, because it
> should not apply during inlining or const-folding of another function.
> On the other hand, if someone tried to "SET enable_seqscan = off" with
> this new scope (a highly reasonable thing to do), that certainly should
> apply during planning.

Mmm. Maybe this hypothetical new facility should confine itself to
search_path specifically.

> It might be practical to make it work, but it will be ticklish to
> get the scope of the settings to be non-surprising.

Yeah, it's certainly not the sort of thing I'm going to crank out
before breakfast some morning.

--
Robert Haas
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