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author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-06-26 17:12:46 -0300 |
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committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-06-26 17:12:46 -0300 |
commit | ea93a15316d93896227c4c9d1ec5e47469575453 (patch) | |
tree | d766406aaefddedfc108297354e73bef80d95b06 /activerecord/lib/active_record/migration | |
parent | 5add8b8d6d27afac9fe46bcee09cd341fb124294 (diff) | |
parent | a5b3f372ab30e043d25b25b05e603e6ed33c0ee9 (diff) | |
download | rails-ea93a15316d93896227c4c9d1ec5e47469575453.tar.gz rails-ea93a15316d93896227c4c9d1ec5e47469575453.tar.bz2 rails-ea93a15316d93896227c4c9d1ec5e47469575453.zip |
Merge pull request #15606 from senny/ar/foreign_key_support
Basic support for adding and removing foreign keys
Diffstat (limited to 'activerecord/lib/active_record/migration')
-rw-r--r-- | activerecord/lib/active_record/migration/command_recorder.rb | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index c44d8c1665..f833caaab6 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -74,7 +74,9 @@ module ActiveRecord :rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps, :change_column_default, :add_reference, :remove_reference, :transaction, :drop_join_table, :drop_table, :execute_block, :enable_extension, - :change_column, :execute, :remove_columns, :change_column_null # irreversible methods need to be here too + :change_column, :execute, :remove_columns, :change_column_null, + :add_foreign_key, :remove_foreign_key + # irreversible methods need to be here too ].each do |method| class_eval <<-EOV, __FILE__, __LINE__ + 1 def #{method}(*args, &block) # def create_table(*args, &block) @@ -167,6 +169,21 @@ module ActiveRecord [:change_column_null, args] end + def invert_add_foreign_key(args) + from_table, to_table, add_options = args + add_options ||= {} + + if add_options[:name] + options = { name: add_options[:name] } + elsif add_options[:column] + options = { column: add_options[:column] } + else + options = to_table + end + + [:remove_foreign_key, [from_table, options]] + end + # Forwards any missing method call to the \target. def method_missing(method, *args, &block) if @delegate.respond_to?(method) |