[postgis-users] problem with st_makevalid and (LineString)

[islanis at infomed.sld.cu]

"Ivan Santiago" <isantiago at ogp.pr.gov> escribió:

> Hello:
>
> Run
> SELECT PostGIS_full_version();
> TO know if your installation has GEOS 3.3.0 or above.
I get this


"POSTGIS="2.0.0 r9605" GEOS="3.3.3-CAPI-1.7.4" PROJ="Rel. 4.8.0, 6  
March 2012" GDAL="GDAL 1.9.0, released 2011/12/29" LIBXML="2.7.8"  
LIBJSON="UNKNOWN" TOPOLOGY RASTER"


>
> ---------------------------
> Iván Santiago
> GIS Specialist
> Information Technologies
> Office of Management and Budget
> 787.725.9420 x 2378
> Calle Cruz 254
> PO Box 9023228
> San Juan, PR 00902-3228
> http://gis.pr.gov
>
>
> -----Original Message-----
> From: postgis-users-bounces at lists.osgeo.org  
> [mailto:postgis-users-bounces at lists.osgeo.org] On Behalf Of  
> islanis at infomed.sld.cu
> Sent: Friday, May 16, 2014 11:24 AM
> To: postgis-users at lists.osgeo.org
> Subject: [postgis-users] problem with st_makevalid and (LineString)
>
> Hello people, i got a problem where i have no idea what can i do.
>
> I have this table
>
> CREATE TABLE ft_potencial
> (
>    id_dw_ft_potencial integer NOT NULL,
>    id_dw_tipo integer NOT NULL,
>    id_dw_mes integer NOT NULL,
>    id_dw_municipio integer NOT NULL,
>    id_dw_date integer NOT NULL,
>    potencial real NOT NULL,
>    area real NOT NULL,
>    the_geom geometry(Polygon,4326),
>    CONSTRAINT ft_potencial_pkey PRIMARY KEY (id_dw_ft_potencial,  
> id_dw_tipo, id_dw_mes, id_dw_municipio, id_dw_date)
> )
> WITH (
>    OIDS=FALSE
> );
>
> and i want to clean  the errors that it has using the function  
> ST_MakeValid in this way
>
> update ft_potencial set the_geom=ST_MakeValid(the_geom);
>
> but it always return this error
>
> ERROR:  Geometry type (LineString) does not match column type (Polygon)
>
> ********** Error **********
>
> ERROR: Geometry type (LineString) does not match column type  
> (Polygon) Estado SQL:22023
>
>
> what can i do to fix or clean the geometry without problems.
>
> please help.
> thanks
>
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