[postgis-users] check constraint for geometry column

[Robert W. Burgholzer]

Ahhh, thanks for the insight into my lack of insight into postgreSQL.

r.b.

At 03:45 PM 6/4/2004 +0200, you wrote:
>On Fri, Jun 04, 2004 at 09:39:39AM -0400, Robert W. Burgholzer wrote:
> > List members,
> > I am using postgis 0.8.0, so if this is resolved in tthe latest version,
> > please forgive my ignorance.  I am exploring a transform on geom columns,
> > and find, as have some others, that it is a torturous process to reassign
> > your geometry column SRID, i.e., it can only be done by dropping and
> > re-adding the table.
>
>Not true.
>You can drop the constraint, re-assign the SRID
>and then add the constraint again (or leave it out if you prefer).
>
>--strk;
>
> > I guess I would inquire as to the use of this constraint, is it truly
> > necessary? Is it part of an openGIS specification, or just something used
> > in the Postgis system as a check and balance? Does anyone have any 
> feelings
> > about whether or not a simple "Warning" rather than a constraint would be
> > enough?
> >
> > I realize of course, that I should just get off my rump and import my
> > tables with the proper SRID identified at the time of import, but just
> > thought I would inquire, I have a lot of data that would have to be
> > re-imported now that I am dealing with projections.
> >
> > Thanks for your thoughts,
> >
> > r.b.
> >
> >
> > Robert Burgholzer
> > Environmental Engineer
> > MapTech Inc.
> > http://www.maptech-inc.com/
> >
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Robert Burgholzer
Environmental Engineer
MapTech Inc.
http://www.maptech-inc.com/