Re: Logging query parmeters in auto_explain

Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>

From: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
To: pgsql-hackers@lists.postgresql.org
Date: 2022-06-06T17:12:02Z
Lists: pgsql-hackers
Dagfinn Ilmari Mannsåker <ilmari@ilmari.org> writes:

> Hi hackers,
>
> Inspired by a question on IRC, I noticed that while the core statement
> logging system gained the option to log statement parameters in PG 13,
> auto_explain was left out.
>
> Here's a patch that adds a corresponding
> auto_explain.log_parameter_max_length config setting, which controls the
> "Query Parameters" node in the logged plan.  Just like in core, the
> default is -1, which logs the parameters in full, and 0 disables
> parameter logging, while any other value truncates each parameter to
> that many bytes.

I've added added it to the upcoming commitfest:

https://commitfest.postgresql.org/38/3660/

- ilmari



Commits

  1. autho_explain: Add GUC to log query parameters

  2. Refactor the TAP test of auto_explain