Re: matview niceties: pick any two of these three

On 5/2/13 6:00 PM, Kevin Grittner wrote:
> (1)  The ability to count on the results from a query which
> references a matview to reflect valid data from *some* point in
> time.
> 
> (2)  The ability to create unlogged materialized views.
> 
> (3)  The ability to consider a zero-length matview heap and a
> matview heap with allocated-but-empty pages as logically identical.

I have thought from the very beginning that violating (3) was totally
weird.  I would ditch (2) in favor of (3).