Re: improve DEBUG1 logging of parallel workers for CREATE INDEX?

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Sami Imseih <samimseih(at)gmail(dot)com>
Cc: Guillaume Lelarge <guillaume(at)lelarge(dot)info>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: improve DEBUG1 logging of parallel workers for CREATE INDEX?
Date: 2025-01-19 00:52:14
Message-ID: Z4xMvn9dCLdaBMJw@paquier.xyz
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On Sat, Jan 18, 2025 at 05:42:50PM -0600, Sami Imseih wrote:
> Here is a v1 that implements CREATE INDEX (VERBOSE)
> to output the parallel workers planned and launched.

Hmm. I am reading Tom's opinion that goes toward not going in this
direction for more commands, with the point to extend EXPLAIN to show
this kind of information:
https://www.postgresql.org/message-id/1692530.1736369905@sss.pgh.pa.us

So do we really want to do what's proposed here? I'm +-0 about the
VERBOSE option attached to more commands, as it is a bit harder for
clients to catch the information wanted. So here comes my question:
how do we want to consume this information at the end from the
perspective of the client?
--
Michael

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