SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function intDivOrZero (children 1)
     ExpressionList (children 2)
      Function toDecimal64 (children 1)
       ExpressionList (children 2)
        Literal Float64_4.4
        Literal UInt64_3
      Literal UInt64_2
