Heikki Linnakangas <hlinnakan...@vmware.com> writes:
> On 10/03/2014 07:08 AM, Kouhei Kaigai wrote:
>> What is the best way to solve the problem?
> How about creating a separate ResourceOwner for these buffer pins, and
> doing a wholesale ResourceOwnerRelease() on it when you're done?
That's a thought. Another point is that if you can release the buffer
pins in reverse order of acquisition, the existing ResourceOwner code
works just fine.
I have a larger question though: how is it useful to transfer
raw contents of shared buffers to a GPU in the first place?
Surely you're not going to be putting tasks like tuple visibility
verification into the GPU. So it seems like this whole thread is
based on a dubious architectural assumption.
regards, tom lane
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