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Re: "NOT IN" substantially slower in 9.0.2 than 8.3.13 - NOT EXISTS runs fast in both 8.3.13 and 9.0.2 - Mailing list pgsql-performance

From Mladen Gogala
Subject Re: "NOT IN" substantially slower in 9.0.2 than 8.3.13 - NOT EXISTS runs fast in both 8.3.13 and 9.0.2
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Msg-id 4D3472B3.2060108@vmsinfo.com
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In response to "NOT IN" substantially slower in 9.0.2 than 8.3.13 - NOT EXISTS runs fast in both 8.3.13 and 9.0.2  (Achilleas Mantzios <achill@matrix.gatewaynet.com>)
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Achilleas Mantzios wrote:
> From the whole set of the tests involved, it seems like the "NOT IN" version of the query runs slow
> in any postgresql 9.0.2 tested.
>
Not only that, it will run slower even using Oracle 11.2 or MySQL 5.5.

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Mladen Gogala
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