Re: [OJB-developers] Smart Updates

[Darren S. <dsy...@ci...>]

Thomas,

> These "Smart Update" feature has been kicked out a long time ago. May be
> it was still mentioned in the performance comparison. (I kicked out this
> documents as it is over a year old and totally out of date).

You're right I found no reference to the EJB comparison in the latest
distribution.

> Now OJB is working with prepared statements and uses a caching mechanism
> for these statements.
> This setup brings an enormous performance gain for most application
> scenarios against most RDBMS.

I suspected this may be the case but wanted to hear you say it :-)

> That's why I dropped this feature.
> My performance tests showed that using the cached prepared statement
> instead of dynamic "smart updates" has a much better performance.

Good, that's the kind of anecdotal evidence I was looking for.  If prepared
statements negate the performance improvement made by smart updates then for
the kind of work I'll be doing this should be fine.  If I find any problems
I'll report back...



Darren