Re: CREATE TABLE docs fix
От | Bruce Momjian |
---|---|
Тема | Re: CREATE TABLE docs fix |
Дата | |
Msg-id | 200209012304.g81N4Jr27392@candle.pha.pa.us обсуждение исходный текст |
Ответ на | CREATE TABLE docs fix (Neil Conway <neilc@samurai.com>) |
Ответы |
Re: CREATE TABLE docs fix
|
Список | pgsql-patches |
Is this patch to be applied? --------------------------------------------------------------------------- Neil Conway wrote: > This patch fixes a minor inaccuracy in the documentation: NOT NULL is > not synonymous with CHECK (xxx IS NOT NULL) -- for example, consider > ALTER TABLE ADD PRIMARY KEY, which checks for 'NOT NULL', not a check > constraint. > > Cheers, > > Neil > > -- > Neil Conway <neilc@samurai.com> || PGP Key ID: DB3C29FC [ Attachment, skipping... ] > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 Index: doc/src/sgml/ref/create_table.sgml =================================================================== RCS file: /var/lib/cvs/pgsql-server/doc/src/sgml/ref/create_table.sgml,v retrieving revision 1.55 diff -c -r1.55 create_table.sgml *** doc/src/sgml/ref/create_table.sgml 18 May 2002 15:44:47 -0000 1.55 --- doc/src/sgml/ref/create_table.sgml 1 Sep 2002 07:52:51 -0000 *************** *** 247,255 **** <term><literal>NOT NULL</></term> <listitem> <para> ! The column is not allowed to contain NULL values. This is ! equivalent to the column constraint <literal>CHECK (<replaceable ! class="PARAMETER">column</replaceable> NOT NULL)</literal>. </para> </listitem> </varlistentry> --- 247,253 ---- <term><literal>NOT NULL</></term> <listitem> <para> ! The column is not allowed to contain NULL values. </para> </listitem> </varlistentry>
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