Thomas Kellerer <spam_eater@gmx.net> wrote:
> Tom Lane wrote on 16.05.2013 19:36:
>>> As the materialized view should be a "table" that can be
>>> selected from, I wonder what the purpose of the rewrite rule
>>> is?
>>
>> To store the matview's definition for use in REFRESH.
>>
> Ah, right. Makes sense.
It will also be used to drive incremental update (in future
releases), as it does in every other product with materialized
views that I know of. In 9.3 we only got as far as explicit
REFRESH, but I hope to improve on that in 9.4.
--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
