> On 30 May 2016, at 02:43, Julien Rouhaud <julien.rouhaud@xxxxxxxxxx> wrote: > > On 29/05/2016 22:10, Attila Soki wrote: >> i am about to begin with postgresql plugin development. >> H Currently i'm trying to become somewhat familiar with the postgresql sources. > >> >> Without going too deep into details about the plugin, i want to use >> many Oid to pointer relations. >> The pointer is a pointer to my own struct (allocated with palloc). >> There will be approx. 1000 unique oid/pointer pairs. >> >> Basically, what i want is, to be able to get the pointer to my struct by Oid. >> >> Is there is a suitable hashmap or key-value storage solution in the pg code? >> if so, please point me to the right part of the source. >> > > Yes, there's an hashtable implementation, see dynahash.c > > If you want to use that in shared memory in your extension, you can look > at the pg_stat_statements extension (look for pgss_hash) for an example. Hello Julien, exactly what i need Thank you Attila Soki -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
