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diff --git a/doc/src/sgml/html/runtime-config-custom.html b/doc/src/sgml/html/runtime-config-custom.html new file mode 100644 index 0000000..ef35e38 --- /dev/null +++ b/doc/src/sgml/html/runtime-config-custom.html @@ -0,0 +1,21 @@ +<?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>20.16. Customized Options</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="runtime-config-preset.html" title="20.15. Preset Options" /><link rel="next" href="runtime-config-developer.html" title="20.17. Developer Options" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">20.16. Customized Options</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="runtime-config-preset.html" title="20.15. Preset Options">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="runtime-config.html" title="Chapter 20. Server Configuration">Up</a></td><th width="60%" align="center">Chapter 20. Server Configuration</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="runtime-config-developer.html" title="20.17. Developer Options">Next</a></td></tr></table><hr /></div><div class="sect1" id="RUNTIME-CONFIG-CUSTOM"><div class="titlepage"><div><div><h2 class="title" style="clear: both">20.16. Customized Options</h2></div></div></div><p> + This feature was designed to allow parameters not normally known to + <span class="productname">PostgreSQL</span> to be added by add-on modules + (such as procedural languages). This allows extension modules to be + configured in the standard ways. + </p><p> + Custom options have two-part names: an extension name, then a dot, then + the parameter name proper, much like qualified names in SQL. An example + is <code class="literal">plpgsql.variable_conflict</code>. + </p><p> + Because custom options may need to be set in processes that have not + loaded the relevant extension module, <span class="productname">PostgreSQL</span> + will accept a setting for any two-part parameter name. Such variables + are treated as placeholders and have no function until the module that + defines them is loaded. When an extension module is loaded, it will add + its variable definitions and convert any placeholder values according to + those definitions. If there are any unrecognized placeholders + that begin with its extension name, warnings are issued and those + placeholders are removed. + </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="runtime-config-preset.html" title="20.15. Preset Options">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="runtime-config.html" title="Chapter 20. Server Configuration">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="runtime-config-developer.html" title="20.17. Developer Options">Next</a></td></tr><tr><td width="40%" align="left" valign="top">20.15. Preset Options </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 20.17. Developer Options</td></tr></table></div></body></html>
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