SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function subtractMonths (children 1)
     ExpressionList (children 2)
      Literal \'2023-10-22\'
      Literal UInt64_1
    Function subtractMonths (children 1)
     ExpressionList (children 2)
      Literal \'2023-10-22 12:34:56.123\'
      Literal UInt64_1
