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Postgres FD Implementation
Commit d27a5665 authored by Bruce Momjian's avatar Bruce Momjian
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Remove mention of INSTANCE rule system, because it is gone.

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doc/src/sgml/ref/create_rule.sgml
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<!-- <!--
$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 Postgres documentation
--> -->
...@@ -191,12 +191,6 @@ ON UPDATE TO emp-1.salary WHERE emp-2.name = "Joe" ...@@ -191,12 +191,6 @@ ON UPDATE TO emp-1.salary WHERE emp-2.name = "Joe"
<replaceable class="parameter">action</replaceable> can be the keyword <replaceable class="parameter">action</replaceable> can be the keyword
<literal>NOTHING</literal>. <literal>NOTHING</literal>.
</para> </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> <para>
It is very important to note that the rewrite rule system It is very important to note that the rewrite rule system
will neither detect nor process circular rules. For example, though each will neither detect nor process circular rules. For example, though each
......
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