Flowdock
method

alter_table

Importance_0
alter_table(table_name, options = {}) private

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# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 422
        def alter_table(table_name, options = {})
          altered_table_name = "a#{table_name}"
          caller = lambda { |definition| yield definition if block_given? }

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