Hannu Krosing wrote:
> I find the feature very useful, and have even done some preliminary
> design work for shared memory implementation, where each listener is
> required to copy data to its own privat memory ASAP and notifier waits
> in case there is not enough room in shared memory buffer.
> Alas, I have lost my design 3 a4 pages of design notes for organising
> things in fixed-size buffer, but the basic operation data-wise sould be
> as in attached sql file.
This looks somewhat like what I originally had in mind, but discussion
led to something much simpler. The only thing we need to share is the
queue. Everything else can be done in the individual backends.
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