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Re: IN does not negate, exists does - Mailing list pgsql-bugs

From Tom Lane
Subject Re: IN does not negate, exists does
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Msg-id 4075.1076000587@sss.pgh.pa.us
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In response to IN does not negate, exists does  (Achilleus Mantzios <achill@matrix.gatewaynet.com>)
Responses Re: IN does not negate, exists does
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Achilleus Mantzios <achill@matrix.gatewaynet.com> writes:
> Whereas IN seems to not working ok when negated as shown below:

If the sub-select returns any NULLs then this behavior is per SQL spec.

            regards, tom lane

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