Updates

[ignishub]

Sorry for probably stupid question but:

I have struct like:

type Page struct {
    ID      bson.ObjectId `bson:"_id,omitempty"`
    URL     string        `bson:"url,omitempty"` // Модель для определения создания
    Title   string        `bson:"title"`
    Content template.HTML `bson:"content"`
}

I inserted this struct in DB. In Mongo i have index that prevent from duplicationg URL I am trying to update Page

func PageUpdate(oldurl string, page *Page) error {
    page.Model.Update()
    if page.URL == oldurl {
        page.URL = ""
    }
    return PageCollection.Update(bson.M{"url": oldurl}, page)
}

BUT. When i trying to change url in Mongo i still have OLD page AND new page with updated data.

Is that normal?

[szank]

Hi @ignishub. Just to confirm: You have created unique index on the field url?

[ignishub]

Yes

[szank]

Hi, could you please provide more data? Can you reproduce the same condition in the mongo shell? Could you please paste the index definition?

mgo behaviour can be mapped to the mongo shell commands, so I would suggest that you try to reproduce your problem in the mongo shell to verify it is a bug in mgo.

I had a quick glance at the update documentation and found this: https://docs.mongodb.com/manual/reference/method/db.collection.update/#use-unique-indexes

Maybe using upsert will solve your issue.

If you have the _id field available, you could use it as the query parameter. Also are you sure the _id field is not modified after retrieval?

[ignishub]

Sorry for being inactive. I will try that when i'll be near to my pc. Thank you!

[domodwyer]

Hi @ignishub

I'm going to close this, but feel free to reply.

Dom

[ignishub]

Sorry for being so long. I solved this problem. This was a bug in my code. Sorry =(