[mapserver-users] Re: Conexion with postgres-postgis

[Valeria Muñoz]

thank you all, I solved the problem...


2009/1/12 Ben Madin <ben at remoteinformation.com.au>

> I'm certainly no expert, and I'm guessing it would have helped if you had
> included more of your layer definition:
>
>
> On 13/01/2009, at 1:28 AM, mapserver-users-request at lists.osgeo.org wrote:
>
> msDrawMap(): Image handling error. Failed to draw layer named
>> 'chile_comuna'. prepare_database(): Query error. Error executing POSTGIS
>> DECLARE (the actual query) statement: 'DECLARE mycursor BINARY CURSOR FOR
>>
>
> Here's (essentially) the query MapServer asked of PostGIS :
>
> SELECT
>> "NAME"::text,asbinary(force_collection(force_2d(the_geom)),'NDR'),gid::text
>> from chile_comuna WHERE the_geom && setSRID('BOX3D(-71.2556639435156
>> -29.9271886101172,-71.2540857172265 -29.9256103838281)'::BOX3D,
>> find_srid('','chile_comuna','the_geom') )'
>>
>
> Here's the problem PostGIS reported with it.
>
> Postgresql reports the error as 'ERROR: column "NAME" does not exist LINE
>> 1: DECLARE mycursor BINARY CURSOR FOR SELECT "NAME"::text,asbin... ^ '
>>
>
> It looks to my inexperienced eyes that somewhere in the layer (classitem?)
> it includes a reference to a field NAME.
>
> It may be that it needs to be specified in the query. Check the table you
> imported into PostgreSQL, ie: (I made this up)
>
> # \d chile_comuna
>
>  Column            |         Type            |
>  Modifiers
>
> ---------------------+-------------------------+---------------------------------------------------------
>  gid                 | integer                 | not null default
> nextval('gis_urban_gid_seq'::regclass)
>  commune_name    | character varying(24)  |
>  the_geom            | geometry                |
>
>
> More Help: Error with POSTGIS data variable. You specified 'check your .map
>> file'. Standard ways of specifiying are : (1) 'geometry_column from
>> geometry_table'
>>
>
> This is what you have used, but it only returns the_geom, you need to
> specify the table column AS name
>
> (2) 'geometry_column from (sub query) as foo using unique column name using
>> SRID=srid#' Make sure you put in the 'using unique column name' and 'using
>> SRID=#' clauses in.
>>
>
> Try also specifying the name column (assuming it does exist in the table):
>
> the_geom from (gid, the_geom, commune_name AS name from chile_comuna) as
> foo using unique column gid using SRID= 4326;
>
>
> For more help, please see http://postgis.refractions.net/documentation/ Mappostgis.c
>> - version of Jan 23/2004.
>>
>> I use the command shp2pgsql to pass the information of the shapefile to
>> postgres table.
>>
>> MapFile
>>  LAYER
>>    NAME 'chile_comuna'
>>    TYPE POLYGON
>>    #DATA 'chile_comuna.shp'
>>    CONNECTIONTYPE postgis
>>  CONNECTION "user=postgres password=1234 dbname=geo_referencia
>> host=localhost"
>>  DATA "the_geom from chile_comuna"
>> .....
>>
>> can anyone help me? pleasee...
>>
>
> cheers
>
> Ben
>
>
>
>
> --
>
> Ben Madin
> REMOTE INFORMATION
>
> t : +61 8 9192 5455
> f : +61 8 9192 5535
> m : 0448 887 220
> Broome   WA   6725
>
> ben at remoteinformation.com.au
>
>
>
>                                                        Out here, it pays to
> know...
>
>
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