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diff --git a/doc/src/sgml/html/xaggr.html b/doc/src/sgml/html/xaggr.html index f5031d1..059fb44 100644 --- a/doc/src/sgml/html/xaggr.html +++ b/doc/src/sgml/html/xaggr.html @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?> -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>38.12. User-Defined Aggregates</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="xfunc-optimization.html" title="38.11. Function Optimization Information" /><link rel="next" href="xtypes.html" title="38.13. User-Defined Types" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">38.12. User-Defined Aggregates</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="xfunc-optimization.html" title="38.11. Function Optimization Information">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="extend.html" title="Chapter 38. Extending SQL">Up</a></td><th width="60%" align="center">Chapter 38. Extending <acronym class="acronym">SQL</acronym></th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="xtypes.html" title="38.13. User-Defined Types">Next</a></td></tr></table><hr /></div><div class="sect1" id="XAGGR"><div class="titlepage"><div><div><h2 class="title" style="clear: both">38.12. User-Defined Aggregates</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="xaggr.html#XAGGR-MOVING-AGGREGATES">38.12.1. Moving-Aggregate Mode</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-POLYMORPHIC-AGGREGATES">38.12.2. Polymorphic and Variadic Aggregates</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-ORDERED-SET-AGGREGATES">38.12.3. Ordered-Set Aggregates</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-PARTIAL-AGGREGATES">38.12.4. Partial Aggregation</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-SUPPORT-FUNCTIONS">38.12.5. Support Functions for Aggregates</a></span></dt></dl></div><a id="id-1.8.3.15.2" class="indexterm"></a><p> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>38.12. User-Defined Aggregates</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="xfunc-optimization.html" title="38.11. Function Optimization Information" /><link rel="next" href="xtypes.html" title="38.13. User-Defined Types" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">38.12. User-Defined Aggregates</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="xfunc-optimization.html" title="38.11. Function Optimization Information">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="extend.html" title="Chapter 38. Extending SQL">Up</a></td><th width="60%" align="center">Chapter 38. Extending <acronym class="acronym">SQL</acronym></th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="xtypes.html" title="38.13. User-Defined Types">Next</a></td></tr></table><hr /></div><div class="sect1" id="XAGGR"><div class="titlepage"><div><div><h2 class="title" style="clear: both">38.12. User-Defined Aggregates</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="xaggr.html#XAGGR-MOVING-AGGREGATES">38.12.1. Moving-Aggregate Mode</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-POLYMORPHIC-AGGREGATES">38.12.2. Polymorphic and Variadic Aggregates</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-ORDERED-SET-AGGREGATES">38.12.3. Ordered-Set Aggregates</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-PARTIAL-AGGREGATES">38.12.4. Partial Aggregation</a></span></dt><dt><span class="sect2"><a href="xaggr.html#XAGGR-SUPPORT-FUNCTIONS">38.12.5. Support Functions for Aggregates</a></span></dt></dl></div><a id="id-1.8.3.15.2" class="indexterm"></a><p> Aggregate functions in <span class="productname">PostgreSQL</span> are defined in terms of <em class="firstterm">state values</em> and <em class="firstterm">state transition functions</em>. @@ -525,4 +525,4 @@ if (AggCheckCallContext(fcinfo, NULL)) supposed to implement. Examples can be found in <code class="filename">orderedsetaggs.c</code> in the <span class="productname">PostgreSQL</span> source code. - </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="xfunc-optimization.html" title="38.11. Function Optimization Information">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="extend.html" title="Chapter 38. Extending SQL">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="xtypes.html" title="38.13. User-Defined Types">Next</a></td></tr><tr><td width="40%" align="left" valign="top">38.11. Function Optimization Information </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 38.13. User-Defined Types</td></tr></table></div></body></html>
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