Re: expose parallel leader in CSV and log_line_prefix

On 2020-Jul-17, Michael Paquier wrote:

> Please note that this choice comes from BecomeLockGroupLeader(), where
> a leader registers itself in lockGroupLeader, and remains set as such
> as long as the process is alive so we would always get a value for a
> process once it got involved in parallel query.  This patch is just

Oh, ugh, I don't like that part much.  If you run connections through a
connection pooler, it's going to be everywhere. Let's put it there only
if the connection *is* running a parallel query, without being too
stressed about the startup and teardown sequence.


-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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