From: | Doug McNaught <doug(at)mcnaught(dot)org> |
---|---|
To: | "Nagib Abi Fadel" <nagib(dot)abi-fadel(at)usj(dot)edu(dot)lb> |
Cc: | "generalpost" <pgsql-general(at)postgresql(dot)org>, "developPost" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Should we consider empty fields as NULL values when |
Date: | 2003-12-11 14:52:25 |
Message-ID: | 87he07qudy.fsf@asmodeus.mcnaught.org |
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Lists: | pgsql-general pgsql-hackers |
"Nagib Abi Fadel" <nagib(dot)abi-fadel(at)usj(dot)edu(dot)lb> writes:
> The issue is that since the column col1 is defined as character with
> not null attribute,
>
> shouldn't we deny such inserts (i mean inserting empty fields)???
NULL and the empty string '' are *completely* different things. If
you want to disallow empty strings as well as NULL, use a CHECK
constraint on that column.
-Doug
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