Andres Freund <and...@2ndquadrant.com> writes:
> On 2013-10-22 15:24:40 -0400, Tom Lane wrote:
>> No, that's hardly a good idea.  As Heikki says, that would amount to
>> converting an entirely foreseeable situation into a PANIC.

> But IIUC this can currently lead to an index giving wrong answers, not
> "just" fail at further inserts?

No.  It's exactly the same situation as when the insert is still in
progress, ie searches have to move right when following the original
downlink.  Go read the nbtree README.

                        regards, tom lane


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