Re: Question about row visibility after locks

On Sat, 9 Nov 2002, Tom Lane wrote:

> Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:
> > Basically, if I've got a select that's running using
> > HeapTupleSatisfiesDirty so that I can see uncommitted rows
> > and I block in the middle for another transaction (waiting
> > to see if it commits the row I'm looking at) and that
> > transaction inserts another row that meets my search criteria
> > am I guaranteed to see that second row in all cases?
>
> No; it might get inserted into a page you've already scanned over.
> You'd have to restart your scan if you wanted that.

Okay, that's what I figured, but wanted to check before doing something
like that.