RE: libpq debug log

tsunakawa.takay@fujitsu.com <tsunakawa.takay@fujitsu.com>

From: "tsunakawa.takay@fujitsu.com" <tsunakawa.takay@fujitsu.com>
To: 'Tom Lane' <tgl@sss.pgh.pa.us>
Cc: "alvherre@alvh.no-ip.org" <alvherre@alvh.no-ip.org>, "iwata.aya@fujitsu.com" <iwata.aya@fujitsu.com>, "k.jamison@fujitsu.com" <k.jamison@fujitsu.com>, 'Kyotaro Horiguchi' <horikyota.ntt@gmail.com>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2021-03-05T06:17:25Z
Lists: pgsql-hackers
From: Tom Lane <tgl@sss.pgh.pa.us>
> But I think passing the message start address explicitly might be better than
> having it understand the buffering behavior in enough detail to know where to
> find the message.  Part of the point here
> (IMO) is to decouple the tracing logic from the core libpq logic, in hopes of not
> having common-mode bugs.

Ouch, you're perfectly right.  Then let's make the signature:

    void pqLogMessage(PGconn *conn, const char *message, bool toServer);

Thank you!


Regards
Takayuki Tsunakawa




Commits

  1. Rename PQtraceSetFlags() to PQsetTraceFlags().

  2. Suppress length of Notice/Error msgs in PQtrace regress mode

  3. Strip file names reported in error messages on Windows, too.

  4. Fix setvbuf()-induced crash in libpq_pipeline

  5. libpq_pipeline: Must strdup(optarg) to avoid crash

  6. Remove setvbuf() call from PQtrace()

  7. Initialize conn->Pfdebug to NULL when creating a connection

  8. Disable force_parallel_mode in libpq_pipeline

  9. libpq_pipeline: add PQtrace() support and tests

  10. Improve PQtrace() output format

  11. Re-simplify management of inStart in pqParseInput3's subroutines.