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Re: Question: msg#00183

db.postgresql.advocacy

Subject: Re: Question

Rod Taylor wrote:


rbt=# select nspname, sum(relpages) from pg_class join pg_namespace n on
(relnamespace = n.oid) group by nspname, relnamespace having 2 > (SELECT
count(*) from pg_constraint where relnamespace = connamespace);

With some effort you might be able to get the above down to a single
line (shorter column names, etc.).

It takes the sum of pages used by relations in namespaces with a minimum
of 2 constraints.

I think any query fiddling with metadata is a bad idea for a sig.

I would say overriding function calls in a single query would make great example. After all O in ORDBMS is for overriding..:-)

How about declaring a contest on general? An event always stirrs up creativity.

Shridhar

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