Re: BUG #4076: "IS NOT NULL (IS NULL)" return wrong answer even where all fields are NULL(or NOT NULL).

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От	Tom Lane
Тема	Re: BUG #4076: "IS NOT NULL (IS NULL)" return wrong answer even where all fields are NULL(or NOT NULL).
Дата	1 апреля 2008 г. 11:34:43
Msg-id	1869.1207060467@sss.pgh.pa.us обсуждение
Ответ на	BUG #4076: "IS NOT NULL (IS NULL)" return wrong answer even where all fields are NULL(or NOT NULL). ("Tatsuhito Kasahara" <kasahara.tatsuhito@oss.ntt.co.jp>)
Ответы	Re: BUG #4076: "IS NOT NULL (IS NULL)" return wrong answer even where all fields are NULL(or NOT NULL).
Список	pgsql-bugs

Дерево обсуждения

"Tatsuhito Kasahara" <kasahara.tatsuhito@oss.ntt.co.jp> writes:
> PostgreSQL version: 8.1.11
> Description:        "IS NOT NULL (IS NULL)" return wrong answer even where
> all fields are NULL(or NOT NULL).

> I think following fix is related..
> http://archives.postgresql.org/pgsql-committers/2006-09/msg00439.php

Yup, it is.  Why are you reporting this?

            regards, tom lane

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Re: BUG #4076: "IS NOT NULL (IS NULL)" return wrong answer even where all fields are NULL(or NOT NULL).