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Remove mention of INSTANCE rule system, because it is gone.

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This commit is contained in:
Bruce Momjian 2000-04-07 17:23:11 +00:00
parent a349733bbb
commit d27a566583
1 changed files with 1 additions and 7 deletions
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8
doc/src/sgml/ref/create_rule.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_rule.sgml,v 1.10 1999/07/22 15:09:08 thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_rule.sgml,v 1.11 2000/04/07 17:23:11 momjian Exp $
Postgres documentation
-->
@ -191,12 +191,6 @@ ON UPDATE TO emp-1.salary WHERE emp-2.name = "Joe"
<replaceable class="parameter">action</replaceable> can be the keyword
<literal>NOTHING</literal>.
</para>
<para>
When choosing between the rewrite and instance rule systems for a
particular rule application, remember that in the rewrite system,
<literal>current</literal> refers to a relation and some qualifiers
whereas in the instance system it refers to an instance (tuple).
</para>
<para>
It is very important to note that the rewrite rule system
will neither detect nor process circular rules. For example, though each