Peter Eisentraut <peter_e@gmx.net> writes:
> Am Montag, 21. April 2008 schrieb Martijn van Oosterhout:
>> I wonder if it would be feasable to, whenever a regression test fails
>> to sort both files and compare again. This should tell you if the
>> difference are *only* rearrangement automatically, without having to
>> eyeball the output.

> That sounds like it should be worth a try.

That sounds like a pretty bad idea, since it would treat ordering
differences as insignificant even when they aren't --- for example,
an ordering difference in the output of a query that *has* an
ORDER BY is usually a bug.

regards, tom lane

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