Re: Postgresql 9.3 Postgis 2.1

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Am 25.01.2016 um 13:02 schrieb SELCUK AYDIN:
> Hello, I have a problem.
>
> When I execute this command;
>
> *alter TABLE ada alter column poly type geometry(GEOMETRY);*
>
> or
>
> *alter TABLE ada alter column poly type geometry(geometry,32768);*
>
> I get this message:
>
> ERROR:  Geometry has Z dimension but column does not
>
> ********** Error **********
>
> ERROR: Geometry has Z dimension but column does not
>
> SQL state: 22023
>
> how I solve this problem;

Hello Selcuk,

I'm not too familiar with those PostGIS data types, however it sounds
like you're trying to turn some 2d data into 3d ("Z" as in "X-Y-Z" as
opposed to "X-Y").

You'll probably best:
- - re-think what you're about to do... maybe geometry is not exactly
what you're looking for ;-)
- - if you really want to add that 3rd dimension, you'll need to add a
"USING ..." to your statement, with some function that takes your X-Y
data and adds the Z dimension


Best regards,
- --
Gunnar "Nick" Bluth
RHCE/SCLA

Mobil +49 172 8853339
Email: gunnar.bluth@pro-open.de
_____________________________________________________________
In 1984 mainstream users were choosing VMS over UNIX.
Ten years later they are choosing Windows over UNIX.
What part of that message aren't you getting? - Tom Payne

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