diff options
Diffstat (limited to 'activerecord/lib/active_record/migration/command_recorder.rb')
| -rw-r--r-- | activerecord/lib/active_record/migration/command_recorder.rb | 51 |
1 files changed, 42 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index 79c55045ba..36256415df 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -73,8 +73,10 @@ module ActiveRecord [:create_table, :create_join_table, :rename_table, :add_column, :remove_column, :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, - :change_column, :execute, :remove_columns, # irreversible methods need to be here too + :drop_join_table, :drop_table, :execute_block, :enable_extension, + :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) @@ -85,8 +87,8 @@ module ActiveRecord alias :add_belongs_to :add_reference alias :remove_belongs_to :remove_reference - def change_table(table_name, options = {}) - yield ConnectionAdapters::Table.new(table_name, self) + def change_table(table_name, options = {}) # :nodoc: + yield delegate.update_table_definition(table_name, self) end private @@ -100,6 +102,7 @@ module ActiveRecord add_column: :remove_column, add_timestamps: :remove_timestamps, add_reference: :remove_reference, + enable_extension: :disable_extension }.each do |cmd, inv| [[inv, cmd], [cmd, inv]].uniq.each do |method, inverse| class_eval <<-EOV, __FILE__, __LINE__ + 1 @@ -139,12 +142,20 @@ module ActiveRecord def invert_add_index(args) table, columns, options = *args - [:remove_index, [table, (options || {}).merge(column: columns)]] + options ||= {} + + index_name = options[:name] + options_hash = index_name ? { name: index_name } : { column: columns } + + [:remove_index, [table, options_hash]] end def invert_remove_index(args) table, options = *args - raise ActiveRecord::IrreversibleMigration, "remove_index is only reversible if given a :column option." unless options && options[:column] + + unless options && options.is_a?(Hash) && options[:column] + raise ActiveRecord::IrreversibleMigration, "remove_index is only reversible if given a :column option." + end options = options.dup [:add_index, [table, options.delete(:column), options]] @@ -153,11 +164,33 @@ module ActiveRecord alias :invert_add_belongs_to :invert_add_reference alias :invert_remove_belongs_to :invert_remove_reference + def invert_change_column_null(args) + args[2] = !args[2] + [: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) - @delegate.send(method, *args, &block) - rescue NoMethodError => e - raise e, e.message.sub(/ for #<.*$/, " via proxy for #{@delegate}") + if @delegate.respond_to?(method) + @delegate.send(method, *args, &block) + else + super + end end end end |