Can someone help me in clearing my doubts?
On Aug 4, 2016 4:36 PM, "DM" <subharaj.ma...@gmail.com> wrote:
> Can someone explain me the difference between the default value of
> SetSafe() which is &Safe{}and SetSafe(nil)?
>
> As per the mgo godoc <https://godoc.org/gopkg.in/mgo.v2#Session.SetSafe>:-
>
> If the safe parameter is nil, the session is put in unsafe mode, and writes
> become fire-and-forget, without error checking. The unsafe mode is faster
> since operations won't hold on waiting for a confirmation.
>
> If the safe parameter is not nil, any changing query (insert, update, ...)
> will be followed by a getLastError command with the specified parameters, to
> ensure the request was correctly processed.
>
> The default is &Safe{}, meaning check for errors and use the default behavior
> for all fields.
>
> Looking at the code
> <http://bazaar.launchpad.net/+branch/mgo/v2/view/head:/session.go#L1540> it
> seems it will call getLastError with values j:false, w:0, wtimeout:0.
> This means it will not return any error from mongo and the behavior seems
> to be similar while calling SetSafe(nil).
>
> Then what error I am expected to receive while calling mongo with
> SetSafe(&Safe{})?
>
> I am on Mongo 3.0.9.
>
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