On Sun, 26 Oct 2003, Christopher Kings-Lynne wrote:
> > to find the row and then to perform the substr. An open command can
> > be optimized a lot more, for example to cache entries that have been
> > opened so that it's fast to read the next 1kb or whatever you want.
>
> It's an index scan, so it's pretty fast...
And if you read a lot it will be cached, but it's still a little extra
overhead and the write case it does not solve at all.
--
/Dennis
