【knex】 knex.js中 orderBy多个字段排序

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Knex.js的官方文档中是这样示例的:

knex('users').orderBy([
  { column: 'email' }, 
  { column: 'age', order: 'desc' }
])

//等同于:
select * from `users` order by `email` asc, `age` desc

Knex.js的官方文档
https://knexjs.org/

我是这样应用的:

const fundItem = await mysql('fund_items')
                       .select('sum_share','sum_amount')
                       .where('fund_id',fund_id)
                       .orderBy([
                         { column: 'date' }, 
                         { column: 'id', order: 'desc' }
                       ]).first()
                       
//等同于:
select `sum_share`, `sum_amount` from `fund_items` where `fund_id` = 1 order by `[object Object]`, `[object Object]` asc limit 1

结果报错,因为orderBy里面的内容被翻译成了[object Object], [object Object]

Error: ER_BAD_FIELD_ERROR: Unknown column '[object Object]' in 'order clause'

这个问题是knex版本的问题,当前版本还不支持多项查询。所有我们通过连接orderBy来查询,效果都是一样的,代码如下:

const fundItem = await mysql('fund_items')
                       .select('sum_share','sum_amount')
                       .where('fund_id',fund_id)
                       .orderBy('date','asc').orderBy('id','desc').first()

//等同于
select `sum_share`, `sum_amount` from `fund_items` where `fund_id` = ? order by `date` asc, `id` desc limit

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转载自blog.csdn.net/shine_a/article/details/88358916