Re: prevent immature WAL streaming

On 2021-Sep-24, Alvaro Herrera wrote:

> Here's the set for all branches, which I think are really final, in case
> somebody wants to play and reproduce their respective problem scenarios.
> Nathan already confirmed that his reproducer no longer shows a problem,
> and this version shouldn't affect that.

Pushed.  Watching for buildfarm fireworks now.

-- 
Álvaro Herrera              Valdivia, Chile  —  https://www.EnterpriseDB.com/