SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function divideDecimal (children 1)
     ExpressionList (children 2)
      Function toNullable (children 1)
       ExpressionList (children 1)
        Function toDecimal64 (children 1)
         ExpressionList (children 2)
          Literal UInt64_10
          Literal UInt64_1
      Function toDecimal64 (children 1)
       ExpressionList (children 2)
        Literal UInt64_100
        Literal UInt64_5