Hi,
While i was studying the unique index checks very closely, i realized
that what we need is to find out whether the tuple is deleted / not. So say
a tuple is deleted by a transaction, but it is not dead( because of some
long running transaction ), still we can mark a hint bit as deleted and
How are you going to unmark the hint bit in case of a rollback?
Only after you find that the transaction is committed, this hint bit has to
be set. It is equivalent to any other hint bit.
Gokul.
Gokulakannan Somasundaram gokul...@gmail.com writes:
While i was studying the unique index checks very closely, i realized
that what we need is to find out whether the tuple is deleted / not. So say
a tuple is deleted by a transaction, but it is not dead( because of some
long running
it seems fairly unlikely to me that this would be useful enough to
justify using up a precious hint bit. The applicability of the hint
is very short-term --- as soon as the tuple is dead to all transactions,
it can be marked with the existing LP_DEAD hint bit. And if it's only
useful for
