Re: Much Ado About COUNT(*) - Mailing list pgsql-hackers

Jim C. Nasby wrote:

> Does anyone have working code they could contribute? It would be best to
> give at least an example in the docs. Even better would be something in
> pgfoundry that helps build a summary table and the rules/triggers you
> need to maintain it.

http://developer.postgresql.org/docs/postgres/plpgsql-trigger.html#PLPGSQL-TRIGGER-SUMMARY-EXAMPLE

regards

Mark