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

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От Tom Lane
Тема Re: Difference between PRIMARY KEY index and UNIQUE-NOT NULL index
Дата
Msg-id 1905.1185124808@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Difference between PRIMARY KEY index and UNIQUE-NOT NULL index  (Vincenzo Romano <vincenzo.romano@gmail.com>)
Ответы Re: Difference between PRIMARY KEY index and UNIQUE-NOT NULL index
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Vincenzo Romano <vincenzo.romano@gmail.com> writes:
> 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. The NOT NULL was instead there.

With what index, pray tell?

            regards, tom lane

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