[postgis-users] Update Error

[Obe, Regina]

ST_GeomFromText takes the form ST_GeomFromText('POINT(' || raw.x || ' ' || raw.y || ')', 102249)

Anyrate for point geometries its more efficient to use ST_MakePoint  so something like


UPDATE recent
SET xypoint = ST_SetSRID(ST_MakePoint(raw.x, raw.y),102249)        
from raw
where recent.casenum=raw.casenum;

Hope that helps,
Regina


-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net on behalf of Donald Ijams
Sent: Tue 8/5/2008 6:00 PM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] Update Error
 
When I attempt to update a geometry column from a field in another table 
with:

UPDATE recent
SET xypoint = ST_GeomFromText((raw.x, raw.y),102249)        
from raw
where recent.casenum=raw.casenum;

I get:

*SQL error:*

ERROR:  function st_geomfromtext(record, integer) does not exist
LINE 3: xypoint = ST_GeomFromText((raw.x, raw.y),102249)  
                  ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.


Probably something simple, but I'm not seeing it.

Don






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