Try using the correct typmod, which uses [ZM]+ dimensions in the type name:
alter table elevacion_89
alter column the_geom
type geometry(MultiLinestringZM, 25830)
using ST_Multi(the_geom);
(it's actually case insensitive)
-Mike
On 12 June 2013 05:50, José María <jmamu...@gmail.com> wrote:
> Hello!
>
> I get a error when I tried to transform LineStringZM to MultiLinestringZM;
>
> alter table elevacion_89 alter column the_geom type
> geometry(MULTILINESTRING, 25830) using St_Multi(the_geom);
>
> The error I get it is:
>
> ERROR: Geometry has Z dimension but column does not
> SQL state: 22023
>
> Any ideas??
>
> Thanks,
>
> Jose
>
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