[postgis-devel] TWKB_agg broken ?

Nicklas Avén nicklas.aven at jordogskog.no
Wed Aug 6 10:04:34 PDT 2014


On on., 2014-08-06 at 18:40 +0200, Sandro Santilli wrote:
> Nicklas, I was looking at ST_AsTWKB_agg but I think it's broken.
> Why would otherwise the output of ST_AsTWKB_agg be smaller than
> the output of ST_AsTWKB ?


It is possible because the aggregate version uses delta values between
the points which often gives smaller values to store. 

/Nicklas
> 





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