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This patch corrects a minor mis-statement in the CREATE DOMAIN docs,

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pointed out by Chris KL on -hackers a little while ago -- NOT NULL !=
CHECK xxx IS NOT NULL.

Neil Conway
This commit is contained in:
Bruce Momjian 2002-09-20 03:39:15 +00:00
parent da395b56cd
commit 674818dce8
1 changed files with 2 additions and 4 deletions
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6
doc/src/sgml/ref/create_domain.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_domain.sgml,v 1.5 2002/04/23 02:07:15 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_domain.sgml,v 1.6 2002/09/20 03:39:15 momjian Exp $
PostgreSQL documentation
-->
@ -108,9 +108,7 @@ where <replaceable class="PARAMETER">constraint</replaceable> is:
<term><literal>NOT NULL</></term>
<listitem>
<para>
Values of this domain are not allowed to be NULL. This is
equivalent to the column constraint <literal>CHECK (<replaceable
class="PARAMETER">column</replaceable> NOT NULL)</literal>.
Values of this domain are not allowed to be NULL.
</para>
</listitem>
</varlistentry>