Re: Difference between PRIMARY KEY index and UNIQUE-NOT NULL index

[Tom Lane <tgl@xxxxxxxxxxxxx>]

Vincenzo Romano <vincenzo.romano@xxxxxxxxx> writes:
> On Sunday 22 July 2007 19:20:08 Tom Lane wrote:
>> With what index, pray tell?

> In the original setup, the "UNIQUE" constraint had been dropped
> *before* doing the tests. So the "slow" case is without the
> UNIQUE constraint but with an index on NOT NULL fields.

You haven't said where you think this index is coming from.

			regards, tom lane