SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function hop (children 1)
     ExpressionList (children 4)
      Function toDateTime (children 1)
       ExpressionList (children 2)
        Literal \'2020-01-09 12:00:01\'
        Literal \'US/Samoa\'
      Function toIntervalQuarter (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
      Function toIntervalQuarter (children 1)
       ExpressionList (children 1)
        Literal UInt64_3
      Literal \'US/Samoa\'
