mongodm/errors.go at master · RomanMinkin/mongodm

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package mongodm

err = User.FindId(user.Id, findUser)

if _, ok := err.(*mongodm.NotFoundError); ok {

log.W("DB: %v", err.Error())

} else if err != nil {

log.E("DB: %v", err)

}

Use this error type for checking if some records were found.

For example:

err := User.Find(bson.M{"firstname":"Paul"}).Populate("Messages").Exec(&users)

if _, ok := err.(*mongodm.NotFoundError); ok {

//no records were found

} else if err != nil {

//database error

}

type QueryError struct {

message string

}

type NotFoundError struct {

*QueryError

}

type DuplicateError struct {

*QueryError

}

type ValidationError struct {

*QueryError

Errors []error

}

type InvalidIdError struct {

*QueryError

}

func (self *QueryError) Error() string {

return self.message

}