SELECT proname, prosrc, pg_get_functiondef(p.oid)
FROM pg_proc p
JOIN pg_namespace n ON p.pronamespace = n.oid
WHERE n.nspname NOT IN ('pg_catalog', 'information_schema')
ORDER BY proname;
grep logfile /etc/postgresql/*/main/postgresql.conf
SELECT my_function('parameter_value');
SELECT grantee, privilege_type
FROM information_schema.role_routine_grants
WHERE specific_schema='your_schema' AND routine_name='your_routine';
SELECT * FROM pg_stat_activity;
SELECT * FROM pg_stat_statements ORDER BY total_time DESC;
SELECT queries to inspect the data.2F000 error code, referring to the PostgreSQL documentation might provide additional insights specific to your version of PostgreSQL.Each of these steps should be approached methodically, documenting any changes and observations to ensure accurate tracking of what was modified or inspected during the troubleshooting process.





