Jon Nelson <jnelson+pgsql@xxxxxxxxxxx> writes: > Regarding caching, I tried caching it across calls by making the > TupleDesc static and only initializing it once. > When I tried that, I got: > ERROR: number of columns (6769856) exceeds limit (1664) > I tried to find some documentation or examples that cache the > information, but couldn't find any. You might find reading record_in to be helpful. What it caches is not exactly what you need to, I think, but it shows the general principles. There are lots of other functions that use fn_extra to cache info, too. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance