LWGEOM_recv()

Datum LWGEOM_recv

(

PG_FUNCTION_ARGS

)

Definition at line 758 of file lwgeom_inout.c.

{
        StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
        int32 geom_typmod = -1;
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
 
        if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
                geom_typmod = PG_GETARG_INT32(2);
        }
 
        lwgeom = lwgeom_from_wkb((uint8_t*)buf->data, buf->len, LW_PARSER_CHECK_ALL);
        if ( !lwgeom )
        {
                ereport(ERROR,(errmsg("recv error - invalid geometry")));
                PG_RETURN_NULL();
        }
 
        if ( lwgeom_needs_bbox(lwgeom) )
                lwgeom_add_bbox(lwgeom);
 
        /* Set cursor to the end of buffer (so the backend is happy) */
        buf->cursor = buf->len;
 
        geom = geometry_serialize(lwgeom);
        lwgeom_free(lwgeom);
 
        if ( geom_typmod >= 0 )
        {
                geom = postgis_valid_typmod(geom, geom_typmod);
                POSTGIS_DEBUG(3, "typmod and geometry were consistent");
        }
        else
        {
                POSTGIS_DEBUG(3, "typmod was -1");
        }
 
 
        PG_RETURN_POINTER(geom);
}

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

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