Hi everyone.
i've used workshop material of FOSS4G2007 to learn postgis along with its data. 
but there is a problem
i got this error in first attempt to retrieve data from postgis:

msDrawMap(): Image handling error. Failed to draw layer named 
'bc_municipality'. prepare_database(): Query error. Error declaring cursor: 
ERROR: column "oid" does not exist LINE 1: 
...inary(force_collection(force_2d(the_geom)),'NDR'),OID::text ... ^ With query 
string: DECLARE mycursor BINARY CURSOR FOR SELECT 
asbinary(force_collection(force_2d(the_geom)),'NDR'),OID::text from 
bc_municipality WHERE the_geom && setSRID('BOX3D(458426.1 
260651.497368421,1943216.4 1373313.90263158)'::BOX3D, 
find_srid('','bc_municipality ','the_geom') ) 
msPOSTGISLayerRetrievePGVersion(): Query error. Error executing POSTGIS 
statement (msPOSTGISLayerRetrievePGVersion():select substring(version() from 12 
for (position('on' in version()) - 13)) 

i don't know what causes the problem although it sounds easy.
THX



      
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