method
invert_remove_foreign_key
v6.1.7.7 -
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Class: CommandRecorder
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invert_remove_foreign_key(args)
private
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# File activerecord/lib/active_record/migration/command_recorder.rb, line 238 def invert_remove_foreign_key(args) options = args.extract_options! from_table, to_table = args to_table ||= options.delete(:to_table) raise ActiveRecord::IrreversibleMigration, "remove_foreign_key is only reversible if given a second table" if to_table.nil? reversed_args = [from_table, to_table] reversed_args << options unless options.empty? [:add_foreign_key, reversed_args] end