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Terminology cleanup: class -> table, instance -> row, attribute -> column,
etc.
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@@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/cluster.sgml,v 1.9 2000/07/22 04:30:26 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/cluster.sgml,v 1.10 2001/01/13 23:58:55 petere Exp $
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Postgres documentation
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-->
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@@ -23,7 +23,7 @@ Postgres documentation
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<date>1999-07-20</date>
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</refsynopsisdivinfo>
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<synopsis>
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CLUSTER <replaceable class="PARAMETER">indexname</replaceable> ON <replaceable class="PARAMETER">table</replaceable>
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CLUSTER <replaceable class="PARAMETER">indexname</replaceable> ON <replaceable class="PARAMETER">tablename</replaceable>
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</synopsis>
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<refsect2 id="R2-SQL-CLUSTER-1">
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@@ -115,18 +115,18 @@ ERROR: Relation <replaceable class="PARAMETER">table</replaceable> does not exis
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</title>
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<para>
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<command>CLUSTER</command> instructs <productname>Postgres</productname>
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to cluster the class specified
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to cluster the table specified
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by <replaceable class="parameter">table</replaceable> approximately
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based on the index specified by
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<replaceable class="parameter">indexname</replaceable>. The index must
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already have been defined on
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<replaceable class="parameter">classname</replaceable>.
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<replaceable class="parameter">tablename</replaceable>.
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</para>
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<para>
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When a class is clustered, it is physically reordered
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When a table is clustered, it is physically reordered
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based on the index information. The clustering is static.
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In other words, as the class is updated, the changes are
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In other words, as the table is updated, the changes are
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not clustered. No attempt is made to keep new instances or
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updated tuples clustered. If one wishes, one can
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re-cluster manually by issuing the command again.
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