On Thu, 25 Jan 2007, Tom Lane wrote:

> Gavin Sherry <[EMAIL PROTECTED]> writes:
> > I was talking to AndrewSN on irc about this. He proposed that we supply
> > two versions (yes I hear the collective groan) of the SQL functions: a
> > fast one (SnapshotNow) and an accurate one (which doesn't use
> > SnapshotNow).
>
> Um, that's such a fundamental misconception that it's got to be nipped
> in the bud.  The reason the backend tends to operate on SnapshotNow is

Oops. Poor choice of words.

Thanks,

Gavin

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

Reply via email to