On Sat, Feb 21, 2015 at 1:04 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> I'm not really sure what Josh was talking about in that answer.  In
>> terms of doing this automatically, I doubt that's likely to happen
>> until we have a way to automatically update a materialized view when
>> the underlying data changes --- and Kevin Grittner has done a bunch of
>> work towards that, but more is needed to get us there.
>
> Even with auto maintenance, it seems unlikely that matviews would ever
> be so transparent that it would be okay for the planner to automatically
> substitute them into a query.  The data in a matview is going to be at
> least a little bit stale, else You're Doing It Wrong.

Perhaps, but this is a feature we've gotten MANY customer requests
for.  IDK why, but it's true.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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