InsertQuery   (children 2)
 Identifier test_table
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 2)
          SelectQuery (children 2)
           ExpressionList (children 1)
            Literal \'test_value_1\'
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              Function numbers_mt (children 1)
               ExpressionList (children 1)
                Literal UInt64_250000
          SelectQuery (children 2)
           ExpressionList (children 1)
            Literal \'test_value_2\'
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              Function numbers_mt (children 1)
               ExpressionList (children 1)
                Literal UInt64_2000000
    ExpressionList (children 1)
     OrderByElement (children 1)
      Function rand (children 1)
       ExpressionList
