<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Table definitions</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="session-pgsql.resources.html">Resource Types</a></div> <div class="next" style="text-align: right; float: right;"><a href="session-pgsql.constants.html">Predefined Constants</a></div> <div class="up"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="session-pgsql.tables" class="chapter"> <h1>Table definitions</h1> <p class="para"> Session table definition <div class="example-contents"> <div class="sqlcode"><pre class="sqlcode">CREATE TABLE php_session ( sess_id text, sess_name text, sess_data text, sess_created integer, sess_modified integer, sess_expire integer, sess_addr_created text, sess_addr_modified text, sess_counter integer, sess_error integer, sess_warning integer, sess_notice integer, sess_err_message text, sess_custom text ); CREATE INDEX php_session_idx ON php_session USING BTREE (sess_id);</pre> </div> </div> </p> <div class="warning"><strong class="warning">Warning</strong> <p class="para"> If you use <em>HASH</em> for <em>INDEX</em>, you'll have a deadlock problem when the server load is <em class="emphasis">very</em> high. Even if it's unlikely to have a deadlock under normal operation, it can occur. <em class="emphasis">Do not use <em>HASH</em> for <em>INDEX</em></em>. </p> </div> <p class="para"> You may change the session table as long as all fields are defined. </p> <p class="para"> Application variables table definition <div class="example-contents"> <div class="sqlcode"><pre class="sqlcode">CREATE TABLE php_app_vars ( app_modified integer, app_name text, app_vars text );</pre> </div> </div> </p> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="session-pgsql.resources.html">Resource Types</a></div> <div class="next" style="text-align: right; float: right;"><a href="session-pgsql.constants.html">Predefined Constants</a></div> <div class="up"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
