luasql 전무 값

Question

은 내가 놓친 게 무엇 http://www.keplerproject.org/luasql/examples.html

Lua 5.2.0 Copyright (C) 1994-2011 Lua.org, PUC-Rio 
> require "luasql.postgres" 
> env = assert (luasql.postgres()) 
stdin:1: attempt to index global 'luasql' (a nil value) 
stack traceback: 
    stdin:1: in main chunk 
    [C]: in ? 
> 

의 모범을 따르려고?

Answer 1

당신은

luasql = require "luasql.postgres" 
env = assert (luasql.postgres())