"Robert Haas" <[EMAIL PROTECTED]> writes:
>> 2. The logic changes in RelationGetBufferForTuple seem bizarre and
>> overcomplicated.  ISTM that the buffer saved by the bistate ought to
>> be about equivalent to relation->rd_targblock, ie, it's your first
>> trial location and also a place to save the located buffer on the way
>> out.  I'd suggest tossing that part of the patch and starting over.

> Hmm, would that be safe in the presence of concurrent or recursive
> bulk inserts into the same relation?

As safe as it is now --- you're relying on the bistate to carry the
query-local state.  Probably the best design is to just ignore
rd_targblock when a bistate is provided, and use the bistate's buffer
instead.

                        regards, tom lane

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