SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Function minus (children 1)
       ExpressionList (children 2)
        Function toHour (children 1)
         ExpressionList (children 1)
          Function now (children 1)
           ExpressionList (children 1)
            Literal \'Asia/Shanghai\'
        Function toHour (children 1)
         ExpressionList (children 1)
          Function now (children 1)
           ExpressionList (children 1)
            Literal \'UTC\'
      Literal Tuple_(UInt64_8, Int64_-16)
