--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/punbb/include/dblayer/pgsql.php Wed Jul 11 21:01:48 2007 -0400
@@ -0,0 +1,264 @@
+<?php
+/***********************************************************************
+
+ Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org)
+
+ This file is part of PunBB.
+
+ PunBB is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PunBB is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ MA 02111-1307 USA
+
+************************************************************************/
+
+
+// Make sure we have built in support for PostgreSQL
+if (!function_exists('pg_connect'))
+ exit('This PHP environment doesn\'t have PostgreSQL support built in. PostgreSQL support is required if you want to use a PostgreSQL database to run this forum. Consult the PHP documentation for further assistance.');
+
+
+class DBLayer
+{
+ var $prefix;
+ var $link_id;
+ var $query_result;
+ var $last_query_text = array();
+ var $in_transaction = 0;
+
+ var $saved_queries = array();
+ var $num_queries = 0;
+
+ var $error_no = false;
+ var $error_msg = 'Unknown';
+
+
+ function DBLayer($db_host, $db_username, $db_password, $db_name, $db_prefix, $p_connect)
+ {
+ $this->prefix = $db_prefix;
+
+ if ($db_host != '')
+ {
+ if (strpos($db_host, ':') !== false)
+ {
+ list($db_host, $dbport) = explode(':', $db_host);
+ $connect_str[] = 'host='.$db_host.' port='.$dbport;
+ }
+ else
+ {
+ if ($db_host != 'localhost')
+ $connect_str[] = 'host='.$db_host;
+ }
+ }
+
+ if ($db_name)
+ $connect_str[] = 'dbname='.$db_name;
+
+ if ($db_username != '')
+ $connect_str[] = 'user='.$db_username;
+
+ if ($db_password != '')
+ $connect_str[] = 'password='.$db_password;
+
+ if ($p_connect)
+ $this->link_id = @pg_pconnect(implode(' ', $connect_str));
+ else
+ $this->link_id = @pg_connect(implode(' ', $connect_str));
+
+ if (!$this->link_id)
+ error('Unable to connect to PostgreSQL server', __FILE__, __LINE__);
+ else
+ return $this->link_id;
+ }
+
+
+ function start_transaction()
+ {
+ ++$this->in_transaction;
+
+ return (@pg_query($this->link_id, 'BEGIN')) ? true : false;
+ }
+
+
+ function end_transaction()
+ {
+ --$this->in_transaction;
+
+ if (@pg_query($this->link_id, 'COMMIT'))
+ return true;
+ else
+ {
+ @pg_query($this->link_id, 'ROLLBACK');
+ return false;
+ }
+ }
+
+
+ function query($sql, $unbuffered = false) // $unbuffered is ignored since there is no pgsql_unbuffered_query()
+ {
+ if (strrpos($sql, 'LIMIT') !== false)
+ $sql = preg_replace('#LIMIT ([0-9]+),([ 0-9]+)#', 'LIMIT \\2 OFFSET \\1', $sql);
+
+ if (defined('PUN_SHOW_QUERIES'))
+ $q_start = get_microtime();
+
+ @pg_send_query($this->link_id, $sql);
+ $this->query_result = @pg_get_result($this->link_id);
+
+ if (pg_result_status($this->query_result) != PGSQL_FATAL_ERROR)
+ {
+ if (defined('PUN_SHOW_QUERIES'))
+ $this->saved_queries[] = array($sql, sprintf('%.5f', get_microtime() - $q_start));
+
+ ++$this->num_queries;
+
+ $this->last_query_text[$this->query_result] = $sql;
+
+ return $this->query_result;
+ }
+ else
+ {
+ if (defined('PUN_SHOW_QUERIES'))
+ $this->saved_queries[] = array($sql, 0);
+
+ $this->error_msg = @pg_result_error($this->query_result);
+
+ if ($this->in_transaction)
+ @pg_query($this->link_id, 'ROLLBACK');
+
+ --$this->in_transaction;
+
+ return false;
+ }
+ }
+
+
+ function result($query_id = 0, $row = 0)
+ {
+ return ($query_id) ? @pg_fetch_result($query_id, $row, 0) : false;
+ }
+
+
+ function fetch_assoc($query_id = 0)
+ {
+ return ($query_id) ? @pg_fetch_assoc($query_id) : false;
+ }
+
+
+ function fetch_row($query_id = 0)
+ {
+ return ($query_id) ? @pg_fetch_row($query_id) : false;
+ }
+
+
+ function num_rows($query_id = 0)
+ {
+ return ($query_id) ? @pg_num_rows($query_id) : false;
+ }
+
+
+ function affected_rows()
+ {
+ return ($this->query_result) ? @pg_affected_rows($this->query_result) : false;
+ }
+
+
+ function insert_id()
+ {
+ $query_id = $this->query_result;
+
+ if ($query_id && $this->last_query_text[$query_id] != '')
+ {
+ if (preg_match('/^INSERT INTO ([a-z0-9\_\-]+)/is', $this->last_query_text[$query_id], $table_name))
+ {
+ // Hack (don't ask)
+ if (substr($table_name[1], -6) == 'groups')
+ $table_name[1] .= '_g';
+
+ $temp_q_id = @pg_query($this->link_id, 'SELECT currval(\''.$table_name[1].'_id_seq\')');
+ return ($temp_q_id) ? intval(@pg_fetch_result($temp_q_id, 0)) : false;
+ }
+ }
+
+ return false;
+ }
+
+
+ function get_num_queries()
+ {
+ return $this->num_queries;
+ }
+
+
+ function get_saved_queries()
+ {
+ return $this->saved_queries;
+ }
+
+
+ function free_result($query_id = false)
+ {
+ if (!$query_id)
+ $query_id = $this->query_result;
+
+ return ($query_id) ? @pg_free_result($query_id) : false;
+ }
+
+
+ function escape($str)
+ {
+ return is_array($str) ? '' : pg_escape_string($str);
+ }
+
+
+ function error()
+ {
+ $result['error_sql'] = @current(@end($this->saved_queries));
+ $result['error_no'] = false;
+/*
+ if (!empty($this->query_result))
+ {
+ $result['error_msg'] = trim(@pg_result_error($this->query_result));
+ if ($result['error_msg'] != '')
+ return $result;
+ }
+
+ $result['error_msg'] = (!empty($this->link_id)) ? trim(@pg_last_error($this->link_id)) : trim(@pg_last_error());
+*/
+ $result['error_msg'] = $this->error_msg;
+
+ return $result;
+ }
+
+
+ function close()
+ {
+ if ($this->link_id)
+ {
+ if ($this->in_transaction)
+ {
+ if (defined('PUN_SHOW_QUERIES'))
+ $this->saved_queries[] = array('COMMIT', 0);
+
+ @pg_query($this->link_id, 'COMMIT');
+ }
+
+ if ($this->query_result)
+ @pg_free_result($this->query_result);
+
+ return @pg_close($this->link_id);
+ }
+ else
+ return false;
+ }
+}