ST_UnaryUnion()

Datum ST_UnaryUnion

(

PG_FUNCTION_ARGS

)

Definition at line 560 of file postgis/lwgeom_geos.c.

References geometry_serialize(), geos_geomunion(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_unaryunion(), and PG_FUNCTION_INFO_V1().

Referenced by pgis_union_geometry_array().

{
        GSERIALIZED *geom1;
        GSERIALIZED *result;
        LWGEOM *lwgeom1, *lwresult ;

        geom1 = PG_GETARG_GSERIALIZED_P(0);


        lwgeom1 = lwgeom_from_gserialized(geom1) ;

        lwresult = lwgeom_unaryunion(lwgeom1);
        result = geometry_serialize(lwresult) ;

        lwgeom_free(lwgeom1) ;
        lwgeom_free(lwresult) ;

        PG_FREE_IF_COPY(geom1, 0);

        PG_RETURN_POINTER(result);
}

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