geography_recv()

Datum geography_recv

(

PG_FUNCTION_ARGS

)

Definition at line 554 of file geography_inout.c.

{
        StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
        int32 geog_typmod = -1;
        LWGEOM *lwgeom = NULL;
        GSERIALIZED *g_ser = NULL;
 
        if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
                geog_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();
        }
 
        /* Error on any SRID != default */
        srid_check_latlong(lwgeom->srid);
 
        g_ser = gserialized_geography_from_lwgeom(lwgeom, geog_typmod);
 
        /* Clean up temporary object */
        lwgeom_free(lwgeom);
 
        /* Set cursor to the end of buffer (so the backend is happy) */
        buf->cursor = buf->len;
 
        PG_RETURN_POINTER(g_ser);
}

References gserialized_geography_from_lwgeom(), LW_PARSER_CHECK_ALL, lwgeom_free(), lwgeom_from_wkb(), and LWGEOM::srid.

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