[postgis-devel] iscachable

[strk at refractions.net]

I'm converting all CREATEFUNCTION calls to use these defines.
A question (for Mark probably):
How should "internal" functions be defined ?
I mean, type analyzers, selectivity estimators and such...

--strk;

On Fri, Jan 14, 2005 at 04:38:46PM +0100, strk at refractions.net wrote:
> Ok, here are my defines:
> 
> #if USE_VERSION > 72
> # define _IMMUTABLE_STRICT IMMUTABLE STRICT
> # define _IMMUTABLE IMMUTABLE
> # define _STABLE_STRICT STABLE STRICT
> # define _STABLE STABLE
> # define _VOLATILE_STRICT VOLATILE STRICT
> # define _VOLATILE VOLATILE
> # define _STRICT STRICT
> #else // USE_VERSION <= 72
> # define _IMMUTABLE_STRICT  with(iscachable,isstrict)
> # define _IMMUTABLE with(iscachable)
> # define _STABLE_STRICT with(isstrict)
> # define _STABLE
> # define _VOLATILE_STRICT with(isstrict)
> # define _VOLATILE
> # define _STRICT with(isstrict)
> #endif // USE_VERSION <= 72
> 
> Note that _STABLE and _VOLATILE leave default behaviour for PG<73.
> Do they sound correct to everybody ?
> --strk;
> 
> On Fri, Jan 14, 2005 at 04:17:23PM +0100, Markus Schaber wrote:
> > Hi, strk,
> > 
> > strk at refractions.net schrieb:
> > 
> > > Note that we could use STABLE  for PG>72 with a preprocessor
> > > switch..
> > 
> > I think this is a good idea so PG73+ optimizers can take advantage of
> > STABLE.
> > 
> > Markus
> 
> 
> 
> > _______________________________________________
> > postgis-devel mailing list
> > postgis-devel at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-devel
> 
> 
> -- 
> 
> For standing up against patentability of software,
> 
>   Thank You, Poland!
> 
> Read the intervention:    http://kwiki.ffii.org/ConsPolon041221En
> Send your thanks:         thankyoupoland.info
> Read/do more:		  http://www.noepatents.org/
> _______________________________________________
> postgis-devel mailing list
> postgis-devel at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-devel

-- 

For standing up against patentability of software,

  Thank You, Poland!

Read the intervention:    http://kwiki.ffii.org/ConsPolon041221En
Send your thanks:         thankyoupoland.info
Read/do more:		  http://www.noepatents.org/