On Thu, Nov 8, 2012 at 6:40 PM, Alvaro Herrera <alvhe...@2ndquadrant.com>wrote:
> 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. > > Thanks, Alvaro! I see your point. Yes, I'll try to understand the test cases to be able to judge the results by myself. What I was worried about was some settings might break the correctness and causes unexpected problem in the product run. So I choose to first test a bit by myself instead of directly applying what I want. You know, there's a gap between developers assumptions and users intentions. > > 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 > -- Tianyin XU, http://cseweb.ucsd.edu/~tixu/
