instance method alter_table

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 690
        def alter_table(
          table_name,
          foreign_keys = foreign_keys(table_name),
          check_constraints = check_constraints(table_name)
        )
          altered_table_name = "a#{table_name}"

          caller = lambda do |definition|
            foreign_keys.each do |fk|
              to_table = strip_table_name_prefix_and_suffix(fk.to_table)
              definition.foreign_key(to_table, **fk.options)
            end

            check_constraints.each do |chk|
              definition.check_constraint(chk.expression, **chk.options)
            end

            yield definition if block_given?
          end

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