| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tianyin Xu <tixu(at)cs(dot)ucsd(dot)edu> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Craig Ringer <craig(at)2ndquadrant(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Does PostgreSQL have complete functional test cases? |
| Date: | 2012-11-09 02:40:48 |
| Message-ID: | 20121109024048.GI7225@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-general |
Tianyin Xu wrote:
> Ok, I agree that "2147483647" is not a reasonable setting. But what's the
> definition of "reasonable"? I just want to study the impact of the setting
> so I test the big number first.
Please don't top-post.
Those values are not wrong. They just don't match what our current
testing framework expects. Whether the generated plans are sensible or
not is entirely another question; the queries should still return the
same resultsets. Ordering of tuples within the resultset shouldn't
matter, but the test framework is not smart enough to compare them
that way.
> When you give users the flexibility of configurations, you cannot say all
> the values mismatching with your expectations are not allowed. In fact the
> system allowed such settings.
Sure.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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