Make DatabaseTasks a module with real private methods

activerecord/lib/active_record/tasks/database_tasks.rb

 module ActiveRecord
   module Tasks # :nodoc:
-    class DatabaseTasks # :nodoc:
+    module DatabaseTasks # :nodoc:
+      extend self
 
       TASKS_PATTERNS = {
         /mysql/      => ActiveRecord::Tasks::MySQLDatabaseTasks,
@@ -9,7 +10,7 @@ class DatabaseTasks # :nodoc:
       }
       LOCAL_HOSTS    = ['127.0.0.1', 'localhost']
 
-      def self.create(*arguments)
+      def create(*arguments)
         configuration = arguments.first
         class_for_adapter(configuration['adapter']).new(*arguments).create
       rescue Exception => error
@@ -17,18 +18,18 @@ def self.create(*arguments)
         $stderr.puts "Couldn't create database for #{configuration.inspect}"
       end
 
-      def self.create_all
+      def create_all
         each_local_configuration { |configuration| create configuration }
       end
 
-      def self.create_current(environment = Rails.env)
+      def create_current(environment = Rails.env)
         each_current_configuration(environment) { |configuration|
           create configuration
         }
         ActiveRecord::Base.establish_connection environment
       end
 
-      def self.drop(*arguments)
+      def drop(*arguments)
         configuration = arguments.first
         class_for_adapter(configuration['adapter']).new(*arguments).drop
       rescue Exception => error
@@ -36,28 +37,28 @@ def self.drop(*arguments)
         $stderr.puts "Couldn't drop #{configuration['database']}"
       end
 
-      def self.drop_all
+      def drop_all
         each_local_configuration { |configuration| drop configuration }
       end
 
-      def self.drop_current(environment = Rails.env)
+      def drop_current(environment = Rails.env)
         each_current_configuration(environment) { |configuration|
           drop configuration
         }
       end
 
-      def self.purge(configuration)
+      def purge(configuration)
         class_for_adapter(configuration['adapter']).new(configuration).purge
       end
 
       private
 
-      def self.class_for_adapter(adapter)
+      def class_for_adapter(adapter)
         key = TASKS_PATTERNS.keys.detect { |pattern| adapter[pattern] }
         TASKS_PATTERNS[key]
       end
 
-      def self.each_current_configuration(environment)
+      def each_current_configuration(environment)
         environments = [environment]
         environments << 'test' if environment.development?
 
@@ -67,7 +68,7 @@ def self.each_current_configuration(environment)
         end
       end
 
-      def self.each_local_configuration
+      def each_local_configuration
         ActiveRecord::Base.configurations.each_value do |configuration|
           next unless configuration['database']
 
@@ -79,9 +80,9 @@ def self.each_local_configuration
         end
       end
 
-      def self.local_database?(configuration)
+      def local_database?(configuration)
         configuration['host'].in?(LOCAL_HOSTS) || configuration['host'].blank?
       end
     end
   end
-end
\ No newline at end of file
+end