On Thu, 2023-06-01 at 08:50 +0000, James Pang (chaolpan) wrote:
> we found thousands of cached plan , since JDBC driver only allow max 256 cached
> prepared statements, how backend cache so many sql plans. If we have one function,
> when application call that function will make backend to cache every SQL statement
> plan in that function too? and for table triggers, have similar caching behavior ?
Yes, as long as the functions are written in PL/pgSQL.
It only affects static SQL, that is, nothing that is run with EXECUTE.
Yours,
Laurenz Albe