db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Øystein Grøvlen <Oystein.Grov...@Sun.COM>
Subject Re: conflict detection strategies
Date Mon, 27 Feb 2006 12:33:26 GMT
Mike Matrigali wrote:
> I was not aware of the alter table dependency check for offline
> compress, this must be outside of store somehow  - maybe something
> tied to all alter table statements.  It may make sense
> to change online compress to hook up with whatever offline compress
> is doing to make this happen.
> 
> Just testing the current system does not mean that future changes
> won't break SUR.  Unless we agree to change the contract on unlocked
> RowLocations, then it still isn't right for code to depend on
> an unlocked RowLocation not ever pointing to the wrong row - because
> of the issue with truncate.  

I would prefer if the store would be able to tell that a RowLocation has 
become invalid instead of trying to prevent it from ever pointing to the 
  wrong row.

--
Øystein


Mime
View raw message