Zoltan Boszormenyi wrote:
Tom Lane írta:
- unique index checks are done in two steps
to avoid inflating the sequence if a unique index check
is failed that doesn't reference the IDENTITY column
This is just not acceptable --- there is nothing in the standard that
requires such behavior,
But also there is nothing that would say not to do it. :-)
And this way, there is be nothing that would separate
IDENTITY from regular SERIALs only the slightly
later value generation. The behaviour I proposed
would be a big usability plus over the standard
with less possible skipped values.
and I dislike the wide-ranging kluges you
introduced to support it.
Can you see any other way to avoid skipping sequence values
as much as possible?
This doesn't strike me as a sensible design goal. Why not just live with
skipped values?
cheers
andrew
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