RE: libpq debug log

From: "Iwata, Aya" <iwata(dot)aya(at)jp(dot)fujitsu(dot)com>
To: "Nagaura, Ryohei" <nagaura(dot)ryohei(at)jp(dot)fujitsu(dot)com>, 'Jacob Champion' <pchampion(at)pivotal(dot)io>, 'Jim Doty' <jdoty(at)pivotal(dot)io>
Cc: PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, "nagata(at)sraoss(dot)co(dot)jp" <nagata(at)sraoss(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 'Haribabu Kommi' <kommi(dot)haribabu(at)gmail(dot)com>, 'Peter Eisentraut' <peter(dot)eisentraut(at)2ndquadrant(dot)com>
Subject: RE: libpq debug log
Date: 2019-02-18 08:33:28
Message-ID: 71E660EB361DF14299875B198D4CE5423DED92AD@g01jpexmbkw25
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Because I mistook something about how to reply to e-mails,
my last reply is not reflected in the thread.

Response to Nagaura san's review point, I fixed all his review notes, except for pointing out about psql.
Please see the attached updated patch.

> 1)
> It would be better making the log format the same as the server log format,
I changed date style and added timezone.

> 2)
> It was difficult for me to understand the first line message in the log file.
I changed the message as "The maximum size of this log is 3 Bytes, the parameter 'logminlevel' is set to level2 ".

> 3)
> Under the circumstance that the environment variables "PGLOGDIR" and
> "PGLOGSIZE" are set correctly, the log file will also be created when the
> user connect the server with "psql".
> Does this follow the specification you have thought?
> Is there any option to unset only in that session when you want to connect
> with "psql"?
By separating session using Tera Term or screen command, you can do what you want.
So I didn't make the code complicated by implementing the option.

> 4)
> Your patch affects the behavior of PQtrace().
Thank you. I fixed.

Aya Iwata

Attachment Content-Type Size
v6-0001-libpq-trace-log.patch application/octet-stream 25.1 KB

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