Pavel Stehule <pavel.steh...@gmail.com> writes:
> is possible use seqscan for index?
No, not for a normal indexscan --- concurrent page splits would break
it.
VACUUM can do that, mainly because it doesn't care if it visits some
entries twice (and even then, it has to add a lot of pushups to ensure
it doesn't miss any entries).
regards, tom lane
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