[postgis-users] lwgeom wkb output slower in 1.0 RC1
Ralph Mason
ralph.mason at telogis.com
Tue Jan 18 01:09:23 PST 2005
I need to dig this out.
I did a bunch of mods around this that 'deparse' a lwgeom directly to a
wkb (and I don't know the current state of the code, but removed the
preparse that was happening before it was feed to the lwgeom parser and
deparser)
I will have a hunt.
Ralph
>On Mon, Jan 17, 2005 at 08:22:10PM +0100, Aleksander Bandelj wrote:
>
>
>>WKB output in 1.0 RC1 is several times slower than in 0.9. Problem seems
>>to be the function WKBFromLWGEOM (used in AsBinary), which first
>>serializes lwgeom to hex string and then parses the string instead of
>>writing out WKB directly. Are there any plans to optimize this for 1.0.0
>>release ?
>>
>>
>
>That's a known problem. Note that also slowing down are a couple
>of calls to make it OGC *strict* (force 2d and drop SRID).
>I think we should speed them up before 1.0.0
>
>--strk;
>
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