On Mon, Mar 3, 2014 at 10:38 AM, Andres Freund <andres@2ndquadrant.com> wrote:
> On 2014-03-03 10:35:03 -0500, Robert Haas wrote:
>> On Mon, Mar 3, 2014 at 9:57 AM, Andres Freund <andres@2ndquadrant.com> wrote:
>> > Hm, I think all it needs to do disable delta encoding if
>> > need_tuple_data (which is dependent on wal_level=logical).
>>
>> Why does it need to do that? The logical decoding stuff should be
>> able to reverse out the delta encoding.
>
> Against what should it perform the delta? Unless I misunderstand how the
> patch works, it computes the delta against the old tuple in the heap
> page?
Oh, maybe I need more caffeine.
--
Robert Haas
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