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## Problem When pooled connections are used, session semantic its not preserved, including GUC settings. Many customers have particular problem with setting search_path. But pgbouncer 1.20 has `track_extra_parameters` settings which allows to track parameters included in startup package which are reported by Postgres. Postgres has [an official list of parameters that it reports to the client](https://www.postgresql.org/docs/15/protocol-flow.html#PROTOCOL-ASYNC). This PR makes Postgres also report `search_path` and so allows to include it in `track_extra_parameters`. ## Summary of changes Set GUC_REPORT flag for `search_path`. ## Checklist before requesting a review - [ ] I have performed a self-review of my code. - [ ] If it is a core feature, I have added thorough tests. - [ ] Do we need to implement analytics? if so did you add the relevant metrics to the dashboard? - [ ] If this PR requires public announcement, mark it with /release-notes label and add several sentences in this section. ## Checklist before merging - [ ] Do not forget to reformat commit message to not include the above checklist --------- Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>