diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
index 3ae5aa2cea2eb..1b4ed1cac452c 100644
--- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
@@ -1,7 +1,6 @@
 module ActiveRecord
   module Tasks # :nodoc:
     class MySQLDatabaseTasks # :nodoc:
-
       DEFAULT_CHARSET     = ENV['CHARSET']   || 'utf8'
       DEFAULT_COLLATION   = ENV['COLLATION'] || 'utf8_unicode_ci'
       ACCESS_DENIED_ERROR = 1045
@@ -24,7 +23,7 @@ def create
         connection.create_database configuration['database'], creation_options
         connection.execute grant_statement.gsub(/\s+/, ' ').strip
         establish_connection configuration
-      rescue error_class, ActiveRecord::StatementInvalid => error
+      rescue ActiveRecord::StatementInvalid, error_class => error
         if /database exists/ === error.message
           raise DatabaseAlreadyExists
         else
@@ -93,8 +92,10 @@ def error_class
         if configuration['adapter'] =~ /jdbc/
           require 'active_record/railties/jdbcmysql_error'
           ArJdbcMySQL::Error
-        else
-          defined?(Mysql2) ? Mysql2::Error : Mysql::Error
+        elsif defined?(Mysql2)
+          Mysql2::Error
+        elsif defined?(Mysql)
+          Mysql::Error
         end
       end
 
@@ -128,7 +129,6 @@ def prepare_command_options(command)
         end
         args
       end
-
     end
   end
 end
diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
index e6a85b1917adb..0b1b030516a06 100644
--- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
@@ -3,7 +3,6 @@
 module ActiveRecord
   module Tasks # :nodoc:
     class PostgreSQLDatabaseTasks # :nodoc:
-
       DEFAULT_ENCODING = ENV['CHARSET'] || 'utf8'
 
       delegate :connection, :establish_connection, :clear_active_connections!,
diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
index 33c43c7774e92..de8b16627e410 100644
--- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -1,7 +1,6 @@
 module ActiveRecord
   module Tasks # :nodoc:
     class SQLiteDatabaseTasks # :nodoc:
-
       delegate :connection, :establish_connection, to: ActiveRecord::Base
 
       def initialize(configuration, root = Rails.root)