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<?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>55.1. Overview</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="protocol.html" title="Chapter 55. Frontend/Backend Protocol" /><link rel="next" href="protocol-flow.html" title="55.2. Message Flow" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">55.1. Overview</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Up</a></td><th width="60%" align="center">Chapter 55. Frontend/Backend Protocol</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="protocol-flow.html" title="55.2. Message Flow">Next</a></td></tr></table><hr /></div><div class="sect1" id="PROTOCOL-OVERVIEW"><div class="titlepage"><div><div><h2 class="title" style="clear: both">55.1. Overview</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-MESSAGE-CONCEPTS">55.1.1. Messaging Overview</a></span></dt><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-QUERY-CONCEPTS">55.1.2. Extended Query Overview</a></span></dt><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-FORMAT-CODES">55.1.3. Formats and Format Codes</a></span></dt></dl></div><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>55.1. Overview</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="protocol.html" title="Chapter 55. Frontend/Backend Protocol" /><link rel="next" href="protocol-flow.html" title="55.2. Message Flow" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">55.1. Overview</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Up</a></td><th width="60%" align="center">Chapter 55. Frontend/Backend Protocol</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="protocol-flow.html" title="55.2. Message Flow">Next</a></td></tr></table><hr /></div><div class="sect1" id="PROTOCOL-OVERVIEW"><div class="titlepage"><div><div><h2 class="title" style="clear: both">55.1. Overview</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-MESSAGE-CONCEPTS">55.1.1. Messaging Overview</a></span></dt><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-QUERY-CONCEPTS">55.1.2. Extended Query Overview</a></span></dt><dt><span class="sect2"><a href="protocol-overview.html#PROTOCOL-FORMAT-CODES">55.1.3. Formats and Format Codes</a></span></dt></dl></div><p>
The protocol has separate phases for startup and normal operation.
In the startup phase, the frontend opens a connection to the server
and authenticates itself to the satisfaction of the server. (This might
@@ -109,4 +109,4 @@
or source code to learn about the binary representation. Keep in mind
that binary representations for complex data types might change across
server versions; the text format is usually the more portable choice.
- </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="protocol-flow.html" title="55.2. Message Flow">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 55. Frontend/Backend Protocol </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"> 55.2. Message Flow</td></tr></table></div></body></html> \ No newline at end of file
+ </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="protocol.html" title="Chapter 55. Frontend/Backend Protocol">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="protocol-flow.html" title="55.2. Message Flow">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 55. Frontend/Backend Protocol </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 55.2. Message Flow</td></tr></table></div></body></html> \ No newline at end of file