“在哪里在MySQL查询在nodejs
我需要使用“WHERE IN”进行MySQL查询。 这是我的查询:
var myQuery = 'SELECT uid FROM ' +tableName+ ' where Gender IN (' + Info.Gender.join() + ')';
如果我打印Info.Gender
,它将作为一个string['Male','Female']。 但是当查询完成它说
SELECT uid FROM appUsers where Gender IN (Male, Female)
但应该是:
SELECT uid FROM appUsers where Gender IN ('Male', 'Female')
这意味着需要女性不是一个string。
有任何想法吗?
您应该使用查询转义 (假设您正在使用node-mysql
):
var myQuery = 'SELECT uid FROM ?? where Gender IN (?)'; connection.query(myQuery, [ tableName, Info.Gender ], ...);
你的查询中需要单引号:
var myQuery = "SELECT uid FROM " +tableName+ " where Gender IN ('" + Info.Gender.join("','") + "')";