Ruby/MySQL获取单行，但仍使用.each? [英] Ruby / MySQL fetching single row but still using .each?

问题描述

我正在使用 MySQL2 Ruby驱动程序-但似乎不得不调用 >

I'm using the MySQL2 Ruby driver - but it seems a bit redundant having to call

result.each{ |r| puts r['name'] }

对于返回的单行数据.必须有一种更简单的方法来获得我想要的mysql字段，而不必使用each块?

for a single row of data that is returned. There must be a simpler way to get the mysql field I want without having to use the each block?

推荐答案

您的result应该是 Enumerable 可以使用 first (其余的Enumerable好东西):

Your result should be a Mysql2::Result and that's Enumerable so you can use first (and the rest of the Enumerable goodies) on it:

puts result.first['name']

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