alter_table

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 365
        def alter_table(table_name, foreign_keys = foreign_keys(table_name), **options)
          altered_table_name = "a#{table_name}"

          caller = lambda do |definition|
            rename = options[:rename] || {}
            foreign_keys.each do |fk|
              if column = rename[fk.options[:column]]
                fk.options[:column] = column
              end
              to_table = strip_table_name_prefix_and_suffix(fk.to_table)
              definition.foreign_key(to_table, fk.options)
            end

            yield definition if block_given?
          end

          transaction do
            disable_referential_integrity do
              move_table(table_name, altered_table_name, options.merge(temporary: true))
              move_table(altered_table_name, table_name, &caller)
            end
          end
        end