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1 | 1 | <!--
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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 $ |
| 2 | +$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_rule.sgml,v 1.11 2000/04/07 17:23:11 momjian Exp $ |
3 | 3 | Postgres documentation
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4 | 4 | -->
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5 | 5 |
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@@ -191,12 +191,6 @@ ON UPDATE TO emp-1.salary WHERE emp-2.name = "Joe"
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191 | 191 | <replaceable class="parameter">action</replaceable> can be the keyword
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192 | 192 | <literal>NOTHING</literal>.
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193 | 193 | </para>
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| - <para> |
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| - When choosing between the rewrite and instance rule systems for a |
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| - particular rule application, remember that in the rewrite system, |
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| - <literal>current</literal> refers to a relation and some qualifiers |
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| - whereas in the instance system it refers to an instance (tuple). |
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| - </para> |
200 | 194 | <para>
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201 | 195 | It is very important to note that the rewrite rule system
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202 | 196 | will neither detect nor process circular rules. For example, though each
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