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Re: IS NULL seems to return false, even when parameter is NULL - Mailing list pgsql-general

From Tom Lane
Subject Re: IS NULL seems to return false, even when parameter is NULL
Date
Msg-id 27121.1224506072@sss.pgh.pa.us
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In response to Re: IS NULL seems to return false, even when parameter is NULL  ("Andrus" <kobruleht2@hot.ee>)
List pgsql-general
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"Andrus" <kobruleht2@hot.ee> writes:
> PostgreSQL OR is not commutative if left operand evaluates to NULL.

This is nonsense.

            regards, tom lane

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