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Minor improvement to CREATE AGGREGATE docs: add an xref to the docs for

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builtin aggregate functions.
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Neil Conway 2004-04-21 21:52:41 +00:00
parent f9a2d0b2fb
commit 4906841901
1 changed files with 7 additions and 7 deletions
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14
doc/src/sgml/ref/create_aggregate.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_aggregate.sgml,v 1.29 2003/11/29 19:51:38 pgsql Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_aggregate.sgml,v 1.30 2004/04/21 21:52:41 neilc Exp $
PostgreSQL documentation
-->
@ -34,12 +34,12 @@ CREATE AGGREGATE <replaceable class="PARAMETER">name</replaceable> (
<title>Description</title>
<para>
<command>CREATE AGGREGATE</command> defines a new aggregate function. Some aggregate functions
for base types such as <function>min(integer)</function>
and <function>avg(double precision)</function> are already provided in the standard
distribution. If one defines new types or needs an aggregate function not
already provided, then <command>CREATE AGGREGATE</command>
can be used to provide the desired features.
<command>CREATE AGGREGATE</command> defines a new aggregate
function. Some basic and commonly-used aggregate functions are
included with the distribution; they are documented in <xref
linkend="functions-aggregate">. If one defines new types or needs
an aggregate function not already provided, then <command>CREATE
AGGREGATE</command> can be used to provide the desired features.
</para>
<para>