LWGEOMFromEWKB()

Datum LWGEOMFromEWKB

(

PG_FUNCTION_ARGS

)

Definition at line 376 of file lwgeom_inout.c.

{
        bytea *bytea_wkb = PG_GETARG_BYTEA_P(0);
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
        uint8_t *wkb = (uint8_t*)VARDATA(bytea_wkb);
 
        lwgeom = lwgeom_from_wkb(wkb, VARSIZE_ANY_EXHDR(bytea_wkb), LW_PARSER_CHECK_ALL);
        if (!lwgeom)
                lwpgerror("Unable to parse WKB");
 
        if ((PG_NARGS() > 1) && (!PG_ARGISNULL(1)))
        {
                int32 srid = PG_GETARG_INT32(1);
                lwgeom_set_srid(lwgeom, srid);
        }
 
        if ( lwgeom_needs_bbox(lwgeom) )
                lwgeom_add_bbox(lwgeom);
 
        geom = geometry_serialize(lwgeom);
        lwgeom_free(lwgeom);
        PG_FREE_IF_COPY(bytea_wkb, 0);
        PG_RETURN_POINTER(geom);
}

References geometry_serialize(), LW_PARSER_CHECK_ALL, lwgeom_add_bbox(), lwgeom_free(), lwgeom_from_wkb(), lwgeom_needs_bbox(), and lwgeom_set_srid().

Referenced by LWGEOM_from_bytea().

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