[postgis-devel] Estimated Extent ... Immutable?

[Paul Ramsey]

> On Mar 8, 2019, at 10:17 AM, Paul Ramsey <pramsey at cleverelephant.ca> wrote:
> 
> This seems wrong to me…
> 
> CREATE OR REPLACE FUNCTION ST_EstimatedExtent(text,text,text,boolean) RETURNS box2d AS
> 	'MODULE_PATHNAME', 'gserialized_estimated_extent'
> 	LANGUAGE 'c' IMMUTABLE STRICT SECURITY DEFINER;
> 
> The only reason I can imagine why it would be so is for some third-party reason… why haven’t we declared this as volatile?

Er, stable. https://www.postgresql.org/docs/11/xfunc-volatility.html