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| author | Marc-Andre Lafortune <github@marc-andre.ca> | 2012-11-11 14:43:57 -0500 |
|---|---|---|
| committer | Marc-Andre Lafortune <github@marc-andre.ca> | 2012-12-21 13:54:51 -0500 |
| commit | 99770e4c659013461fb308040e3d594f2038ed24 (patch) | |
| tree | 9d929f687f5ff003d0d23f962be7e196c2196f41 /activerecord/lib/active_record/migration | |
| parent | 65e154f33b54acf40b51082fc5b681ba605015d9 (diff) | |
| download | rails-99770e4c659013461fb308040e3d594f2038ed24.tar.gz rails-99770e4c659013461fb308040e3d594f2038ed24.tar.bz2 rails-99770e4c659013461fb308040e3d594f2038ed24.zip | |
Add Migration#reversible for reversible data operations [#8267]
Diffstat (limited to 'activerecord/lib/active_record/migration')
| -rw-r--r-- | activerecord/lib/active_record/migration/command_recorder.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index a79428b69a..d0e54240d3 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -72,7 +72,7 @@ module ActiveRecord [:create_table, :create_join_table, :change_table, :rename_table, :add_column, :remove_column, :rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps, - :change_column, :change_column_default, :add_reference, :remove_reference, + :change_column, :change_column_default, :add_reference, :remove_reference, :transaction, ].each do |method| class_eval <<-EOV, __FILE__, __LINE__ + 1 def #{method}(*args, &block) # def create_table(*args, &block) @@ -85,6 +85,10 @@ module ActiveRecord private + def invert_transaction(args, &block) + [:transaction, args, block] + end + def invert_create_table(args) [:drop_table, [args.first]] end |