On Fri, May 20, 2011 at 1:43 AM, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> wrote:
> Doh! I forgot one important piece of this algorithm - it is necessary
> to initialise the result to something non-zero at the start so that
> adding leading nulls to an array changes the final result.
Looks reasonable.
I believe, however, that applying this will invalidate the contents of
any hash indexes on array types that anyone has built using 9.1beta1.
Do we need to do something about that?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company