SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Function minus (children 1)
       ExpressionList (children 2)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_2
          Function count (children 1)
           ExpressionList (children 1)
            Identifier decimal32
        Function sum (children 1)
         ExpressionList (children 1)
          Identifier decimal32
      Function minus (children 1)
       ExpressionList (children 2)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_3
          Function count (children 1)
           ExpressionList (children 1)
            Identifier decimal32
        Function sum (children 1)
         ExpressionList (children 1)
          Identifier decimal32
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table
