# File lib/active_record/connection_adapters/abstract/schema_statements.rb, line 271 def remove_column(table_name, *column_names) if column_names.flatten! message = 'Passing array to remove_columns is deprecated, please use ' + 'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`' ActiveSupport::Deprecation.warn message, caller end columns_for_remove(table_name, *column_names).each do |column_name| execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{column_name}" end end