Can you get DB username, pw, database name in Rails?

Question

I\'m writing a rake task that does some DB work outside of Rails/ActiveRecord.

Is there a way to get the DB connection info (host, username, password, DB name) for t

Answer 1

ActiveRecord::Base.connection_config

returns the connection configuration in a hash:

=> {:adapter=>ADAPTER_NAME, :host=>HOST, :port=>PORT, 
    :database=>DB, :pool=>POOL, :username=>USERNAME, 
    :password=>PASSWORD} 

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As tpett remarked in their comment: this solution accounts for merging the configuration from database.yml and from the environment variable DATABASE_URL.