10 messages in com.mysql.lists.javaJDBC driver for MySQL or...| From | Sent On | Attachments |
|---|---|---|
| Ross Lambert | 06 Dec 2000 12:14 | |
| Terrence W. Zellers | 06 Dec 2000 12:34 | |
| Ross Lambert | 06 Dec 2000 13:03 | |
| Mark Matthews | 06 Dec 2000 13:36 | |
| Vinny | 06 Dec 2000 14:24 | |
| Ross Lambert | 06 Dec 2000 15:05 | |
| Krishnan Srinivasan | 06 Dec 2000 20:49 | |
| Brian Davidson | 07 Dec 2000 06:49 | |
| Ross Lambert | 07 Dec 2000 08:41 | |
| Terrence W. Zellers | 07 Dec 2000 08:49 |
| Subject: | JDBC driver for MySQL or...![]() |
|---|---|
| From: | Ross Lambert (ro...@webwolves.com) |
| Date: | 12/06/2000 12:14:20 PM |
| List: | com.mysql.lists.java |
Folks,
I am trying to write a servlet that returns a "page" of a ResultSet. That is, the caller should be able to provide a simple SQL select such as "select * from addresses", a page size such as 100 rows, and an offset into the ResultSet such as 500. I assumed that the JDBC method rs.absolute(n) would enable me to do what I want, allowing me to jump to an absolute offset into a ResultSet.
Unfortunately, the JDBC drivers for MySQL that I have found do not support the rs.absolute method. At first I just thought that perhaps the org.gjt.mm.mysql open source JDBC driver was incomplete. But the only other JDBC driver for MySql I found did not support that method, either, which leads me to think I may be approaching the problem wrong--or what I want to do is impossible in MySQL (which seems unlikely to me).
My servlet will not have knowledge of the primary key (though I could get that from metadata), but even if it does, how does that help me navigate to a given absolute position within the ResultSet? Calling rs.next() a few thousand times is just wayyyy too kludgey for me, so don't suggest that, please.
And relying on an auto-increment field to provide literal record numbers doesn't work either; they are not guaranteed to be sequential, especially if rows have been deleted from the table.
So, I guess the questions are:
1) Does anyone know of a JDBC driver for MySQL that supports the absolute method? If so, I'm happy. If not, then... 2) Is there a way of approaching this problem differently that will give me the same functionality?
Thanks for whatever help/advice/sanity anyone can offer.
== Ross ==
Ross Lambert WebWolves, LLC




