Function lua_final_int

lua/sp.c:7042–7054

TODO: This needs to be more robust - perhaps a hash table of Lua VMs per UDF * allowing us to invoke multiple UDFs per SQL statement. Also, test running * SQL stmts in a UDF, which invoke other UDFs. Does nesting work? */

 * allowing us to invoke multiple UDFs per SQL statement. Also, test running
 * SQL stmts in a UDF, which invoke other UDFs. Does nesting work? */
static int lua_final_int(char *spname, char **err, struct sqlthdstate *thd,
                         struct sqlclntstate *clnt, sqlite3_context *context)
{
    int rc, new_vm;
    if ((rc = setup_sp(spname, thd, clnt, &new_vm, err)) != 0) return rc;
    if (new_vm) {
        *err = "failed to obtain lua aggregate object";
        return -1;
    }
    Lua L = clnt->sp->lua;
    if ((rc = get_func_by_name(L, "final", err)) != 0) return rc;
    return run_func(clnt, 0, err, 1);
}

static int lua_step_int(char *spname, char **err, struct sqlthdstate *thd,
                        struct sqlclntstate *clnt, sqlite3_context *context,