Pymongo implements the method for controlling the number fields in mongodb for addition-Python tutorial

This article mainly introduces how to control the addition of numeric fields in mongodb using pymongo. it involves the skills of using the pymongo module to operate mongodb database fields in Python and has some reference value, for more information about how to use pymongo to control the addition of numeric fields in mongodb, see the example in this article. Share it with you for your reference. The specific analysis is as follows:

This is very practical. for example, if we need to make access statistics for the article, we can set a numeric field: hit, and then add 1 to the field after each click.

Import pymongo # import the pymongo module conn = pymongo. connection () # connect to the local mongodb database db = conn. database # database is the database name collection = db. article # article is the collection name, which is equivalent to the table name collection in mysql. update ({'_ id': ObjectId (id),' $ Inc': {'hit': 1}) # Add 1 to the hit Field

I hope this article will help you with Python programming.