On 19 November 2013 23:08, Paul Ramsey <pram...@cleverelephant.ca> wrote:
> On the solution, I wasn't suggesting another void* slot, but rather a > slot that holds a hash table, so that an arbitrary number of things > can be stuffed in. Overkill, really, since in 99.9% of times only one > thing would be in there, and in the other 0.1% of times two things. In > our own GenericCacheCollection, we just statically allocate 16 slots. Why do you need to do this dance with fn_extra? It's possible to allocate a hash table in a Transaction-lifetime memory context on first call into a function then cache things there. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers