英文:
How to rename result field in golang rethinkdb driver gorethink?
问题
以下是要翻译的内容：
r.table('customers')
.map(function(purchase) {
return {zip:customer('address')('zip'), product:purchase('name')};
})
.run(...)
在gorethink中，如何表示map({"new_column_name":Row.Field("original_column_name")})？
非常感谢任何帮助...
英文:
r.table('customers')
.map(function(purchase) {
return {zip:customer('address')('zip'), product:purchase('name')};
})
.run(...)
How can i represent map({"new_column_name":Row.Field("original_column_name")}) in
gorethink
Any help is appreciated...
答案1
得分: 2
我刚刚将你的Node.js代码（在你之前的版本中）转换成了Golang：
session, err := r.Connect(r.ConnectOpts{
Address: "localhost:28015",
})
if err != nil {
return
}
res, err := table.ConcatMap(func(customer r.Term) interface{} {
return customer.Field("purchases").Map(func(purchase r.Term) interface{} {
return map[string]interface{}{
"zip": customer.Field("address").Field("zip"),
"product": purchase.Field("name"),
}
})
}).Run(session)
if err != nil {
return
}
defer res.Close()
var response interface{}
for res.Next(&response) {
fmt.Println(response)
}
以上是翻译好的代码部分。
英文:
I just port your node.js code (in your former version) to golang :
session, err := r.Connect(r.ConnectOpts{
Address: "localhost:28015",
})
if err != nil {
return
}
res, err := table.ConcatMap(func(customer r.Term) interface{} {
return customer.Field("purchases").Map(func(purchase r.Term) interface{} {
return map[string]interface{}{
"zip": customer.Field("address").Field("zip"),
"product": purchase.Field("name"),
}
})
}).Run(session)
if err != nil {
return
}
defer res.Close()
var response interface{}
for res.Next(&response) {
fmt.Println(response)
}
通过集体智慧和协作来改善编程学习和解决问题的方式。致力于成为全球开发者共同参与的知识库，让每个人都能够通过互相帮助和分享经验来进步。
评论