kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

[ci skip] Update docs as remove_column can be reversed

Browse source 
As `remove_column` can be reversed when a type is provided this example
was not accurate anymore.
This commit is contained in:
Alberto Almagro 2019-06-14 16:00:10 +02:00
parent e2d11970f2
commit 88de317992
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
activerecord/lib/active_record/migration.rb
View file

@ -494,9 +494,9 @@ module ActiveRecord
# This migration will create the horses table for you on the way up, and
# automatically figure out how to drop the table on the way down.
#
# Some commands like +remove_column+ cannot be reversed. If you care to
# define how to move up and down in these cases, you should define the +up+
# and +down+ methods as before.
# Some commands cannot be reversed. If you care to define how to move up
# and down in these cases, you should define the +up+ and +down+ methods
# as before.
#
# If a command cannot be reversed, an
# <tt>ActiveRecord::IrreversibleMigration</tt> exception will be raised when