[postgis-users] help with the Union of 2 shp

[Rémi Cura]

Juste use one or 2 polygon !
you can use limits on your first query,
or add a where condition with gid=XX, I guess you have a gid field (primary
key).

Cheers,
Rémi-C


2013/12/16 J.Alejandro Martinez Linares <islanis at infomed.sld.cu>

>
> El 16/12/13 14:38, Rémi Cura escribió:
>
> And of course it is *a very bad idea* to try something without knowing if
> it works on all your data !
>
>  You should try the complete solution on a small sample, then optimize
> your queries, then use it on all your data...
>
>  Cheers,
>
>  Rémi-C
>
> ok ok, but there are 6570 rows of multipolygons, ok what can i do?, at
> least i need to know if the entire process is working, i mean like a
> progress bar, is there enything like that??!!! please and thanks
>
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