[R] setClass with a slot of RODBC

From: <adschai_at_optonline.net>
Date: Sat, 02 Jun 2007 03:32:46 +0000 (GMT)


Hi - I tried to get some answer before but there seems to have no one response. My question is that I have a class like below definition:

setClass("DBManager",

   representation(channel="RODBC"))

My purpose of the conn slot is to hold a channel to database connection which is returned by a command like:

channel <- odbcConnect("DB", uid="user", pwd="password")

According to RODBC documentation, this channel is supposed to have a type of "RODBC". However, if I declare my class as above, R will complain that it does not know about "RODBC" type or class. Please clarify. Thank you.

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