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add_column(table_name, column_name, type, options = {}) public

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# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 217
      def add_column(table_name, column_name, type, options = {}) #:nodoc:
        if @connection.respond_to?(:transaction_active?) && @connection.transaction_active?
          raise StatementInvalid, 'Cannot add columns to a SQLite database while inside a transaction'
        end
        
        super(table_name, column_name, type, options)
        # See last paragraph on http://www.sqlite.org/lang_altertable.html
        execute "VACUUM"
      end
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