Re: pg_hint_tables

I am top posting because I believe you have “hikacked” a thread. 

Rather than replying to an existing thread unrelated to your topic you should start your own specific thread. 


> On Sep 30, 2025, at 2:13 PM, Adrian Klaver <adrian.klaver@aklaver.com> wrote:
> 
> On 9/30/25 12:51, Wong, Kam Fook (TR Technology) wrote:
>> I am trying to use pg_hint_tables in AWS Aurora Postgres.  I changed the Postgres parameter "pg_hint_plan.enable_hint_table = 1".  Then I logout but can't login anymore with the following error message.
> 
> To be clear it is pg_hint_plan not pg_hint_tables?
> 
>> “postgres@postgres:[2719]:ERROR:  relation "hint_plan.hints" does not exist at character 21”.
>> I undo the changes, log back in.  Can't find a good resources that lead me to the root cause.  So I try a few other things, see below.  But no luck.  Any guidance or help is greatly appreciated.
> 
> From here:
> 
> https://github.com/ossc-db/pg_hint_plan/blob/master/docs/installation.md
> 
> Did you do?:
> 
> "
> Loading pg_hint_plan
> 
> pg_hint_plan does not require CREATE EXTENSION. Loading it with a LOAD command will activate it and of course you can load it globally by setting shared_preload_libraries in postgresql.conf. Or you might be interested in ALTER USER SET/ALTER DATABASE SET for automatic loading in specific sessions.
> 
> postgres=# LOAD 'pg_hint_plan';
> LOAD
> "
>> ALTER EXTENSION pg_hint_plan  UPDATE TO '1.4';
>> GRANT SELECT, INSERT, UPDATE, DELETE ON hint_plan.hints TO PUBLIC;
>> GRANT USAGE ON SCHEMA hint_plan TO PUBLIC;
>> Thank you
>> Kam Fook Wong
> --
> Adrian Klaver
> adrian.klaver@aklaver.com
> 
>