On Thu, May 9, 2024 at 8:06 AM Dave Cramer <davecra...@gmail.com> wrote: > The JDBC driver is currently keeping a per connection cache of types in the > driver. We are seeing cases where the number of columns is quite high. In one > case Prevent fetchFieldMetaData() from being run when unnecessary. · Issue > #3241 · pgjdbc/pgjdbc (github.com) 2.6 Million columns. > > If we knew that we were connecting to the same database we could use a single > cache across connections. > > I think we would require a server/database identifier in the startup message.
I understand the desire to share the cache, but not why that would require any kind of change to the wire protocol. -- Robert Haas EDB: http://www.enterprisedb.com
