Re: BUG #17750: Plugin_debugger not work when have pg_hint_plan on shared_preload_libraries

Hi

čt 12. 1. 2023 v 17:01 odesílatel PG Bug reporting form <
noreply(at)postgresql(dot)org> napsal:

> The following bug has been logged on the website:
>
> Bug reference: 17750
> Logged by: Paulo La Luna Junior
> Email address: junior(at)rassystem(dot)com(dot)br
> PostgreSQL version: 12.13
> Operating system: Docker from image postgres:12.13
> Description:
>
> Hi,
>
> I did several tests and the Debbuger Plugin does not work when the
> shared_preload_libraries has "plugin_debugger,pg_hint_plan".
> When shared_preload_libraries has only "plugin_debugger" or with other
> libraries like "auto_explain,plugin_debugger,pg_stat_statements,pg_repack",
> it's work.
>
> I can create function and create extension without any error. But when I
> use
> Debug from PGAdmin or Dbeaver it doesn't return the debug result.
>

The plugin debugger uses dbg API, pg_hint_plan uses dbg API too.
Unfortunately this API is not designed to be used by two active extensions
in one time.

I found a workaround in plpgsql_check, but it requires modification in
extensions. You should report this issue to their authors.

https://github.com/ossc-db/pg_hint_plan/issues
https://github.com/EnterpriseDB/pldebugger/issues

And I see you did it.

The fix is not on the PostgreSQL side.

Regards

Pavel