Re: queryId constant squashing does not support prepared statements

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>

To: Dmitry Dolgov <9erthalion6@gmail.com>

Cc: Sami Imseih <samimseih@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2025-05-02T07:18:37Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix typo in comment
- a3994ec6acb2 18.0 landed
Make query jumbling also squash PARAM_EXTERN params
- c2da1a5d6325 18.0 landed
Fix squashing algorithm for query texts
- 0f65f3eec478 18.0 landed
pg_stat_statements: Fix parameter number gaps in normalized queries
- 3c03b8cd7979 13.22 landed
- 8a1459f62ad1 14.19 landed
- 130300a15407 15.14 landed
- 7e8b44f4e0e6 16.10 landed
- 290e8ab32ac5 17.6 landed
- 35a428f30b15 18.0 landed

On Fri, May 02, 2025 at 09:13:39AM +0200, Dmitry Dolgov wrote:
> Squashing constants was ment to be a first step towards doing the same
> for other types of queries (params, rte_values), reverting it to
> implement everything at once makes very little sense to me.

That depends.  If we conclude that tracking this information through
the parser based on the start and end positions in a query string
for a set of values is more relevant, then we would be redesigning the
facility from the ground, so the old approach would not be really
relevant..
--
Michael