SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function makeDate32 (children 1)
     ExpressionList (children 3)
      Literal Float64_1980
      Literal UInt64_9
      Function divide (children 1)
       ExpressionList (children 2)
        Literal Float64_30
        Literal UInt64_2