SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function dateDiff (children 1)
     ExpressionList (children 4)
      Literal \'minute\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toDate (children 1)
         ExpressionList (children 1)
          Literal \'2017-12-31\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toDate (children 1)
         ExpressionList (children 1)
          Literal \'2018-01-01\'
      Literal \'UTC\'
