> > Yes, that was one of my questions.  Why use recno at all?  
> > We already have heap access which is very fast. Why switch
> > to SDB which gives us a recno ordering of heap that doesn't
> > do us any real good, except to allow tuple update without
> > changing indexes.
> 
> But if we'll use our heap AM, then we'll have to implement redo/undo
> for it... no sence to switch to SDB for btree/hash WAL support -:)

Also, I think that our native index logging will require less space
in log, because of we can do not write *key values* to log!
Index tuple insertion will be logged as "index tuple pointing to
heap TID was added to page BLKNO at position ITEMID".
The same for index page split...

Vadim

Sun, 21 May 2000 20:09:54 -0700
"Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
RE: Berkeley DB...