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I am talking to multiple databases using Mongoid.override_database("database_name") using Mongoid with rails. How do I find the current database programmatically?
Mongoid docs on sessions: http://mongoid.org/en/moped/docs/driver.html define methods to override database but do not define a way to get the current database in use.
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getName() Returns: the current database name.
mysql> show databases; Here is the output that displays all the databases. As you can see above, we have both databases, and we can get the current database name with the help of DATABASE() method.
To list existing users in MongoDB, you can use the db. getUsers() method to show all of the users within the current database.
There are different mongo shell list Databases commands in MongoDB. These commands can be run on the Mongo Shell to return the list of databases running on your MongoDB server. The show dbs Mongo Shell command returns the list of all databases running on MongoDB Server including default and user-defined databases.
Got it!
Mongoid.default_session.options[:database]
The new way to get this is
Mongoid::Config.clients["default"]["database"]
You can also just have a look at
Mongoid::Config.clients
to see what else is available.
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If you want the overrided database you actually need to use
Mongoid::Threaded.database_override
answered Oct 18 '22 22:10
Running Mongoid.default_session.options[:database] gives an error that default_session is invalid. It is now default_client. That works wonderfully.
Run it without the [:database] to get all the option and see the full configuration of your database.
Mongoid::Config.clients["default"]["database"] assumes you are NOT using the uri version of mongoid.yml. You will get nil in all cases. Use Mongoid::Config.clients["default"] to get the full configuration of the current database, or Mongoid::Config.clients["default"]['uri'] to give you just the full uri.
Pick the database name from the URI after the last port number/. There could be severalif using a sharded configuration
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