Re: Fastpath while arranging the changes in LSN order in logical decoding

Heikki Linnakangas <[email protected]>
Newsgroups gmane.comp.db.postgresql.devel.general
Message-ID <[email protected]> 
On 25/11/2019 05:52, Dilip Kumar wrote:
> In logical decoding, while sending the changes to the output plugin we
> need to arrange them in the LSN order.  But, if there is only one
> transaction which is a very common case then we can avoid building the
> binary heap.  A small patch is attached for the same.

Does this make any measurable performance difference? Building a 
one-element binary heap seems pretty cheap.

- Heikki
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