-<?php

-/***************************************************************************

- * mysql.php

- * -------------------

- * begin : Saturday, Feb 13, 2001

- * copyright : (C) 2001 The phpBB Group

- * email : support@phpbb.com

- *

- * $Id$

- *

- ***************************************************************************/

-

-/***************************************************************************

- *

- * This program 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.

- *

- ***************************************************************************/

-

-if (!defined('SQL_LAYER'))

-{

-

-define('SQL_LAYER', 'mysql');

-

-class sql_db

-{

- var $db_connect_id;

- var $query_result;

- var $return_on_error = false;

- var $transaction = false;

- var $sql_report = '';

- var $sql_time = 0;

-

- //

- // Constructor

- //

- function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)

- {

- $this->open_queries = array();

- $this->num_queries = 0;

-

- $this->persistency = $persistency;

- $this->user = $sqluser;

- $this->password = $sqlpassword;

- $this->server = $sqlserver . (($port) ? ':' . $port : '');

- $this->dbname = $database;

-

- $this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $this->password) : @mysql_connect($this->server, $this->user, $this->password);

-

- if ($this->db_connect_id && $this->dbname != '')

- {

- if (@mysql_select_db($this->dbname))

- {

- return $this->db_connect_id;

- }

- }

-

- $this->sql_error('');

- }

-

- //

- // Other base methods

- //

- function sql_close()

- {

- if (!$this->db_connect_id)

- {

- return false;

- }

-

- if (count($this->open_queries))

- {

- foreach ($this->open_queries as $query_id)

- {

- @mysql_free_result($query_id);

- }

- }

-

- return @mysql_close($this->db_connect_id);

- }

-

- function sql_return_on_error($fail = false)

- {

- $this->return_on_error = $fail;

- }

-

- function sql_num_queries()

- {

- return $this->num_queries;

- }

-

- function sql_transaction($status = 'begin')

- {

- switch ($status)

- {

- case 'begin':

- $this->transaction = true;

- $result = @mysql_query('BEGIN', $this->db_connect_id);

- break;

-

- case 'commit':

- $this->transaction = false;

- $result = @mysql_query('COMMIT', $this->db_connect_id);

- break;

-

- case 'rollback':

- $this->transaction = false;

- $result = @mysql_query('ROLLBACK', $this->db_connect_id);

- break;

-

- default:

- $result = true;

- }

-

- return $result;

- }

-

- // Base query method

- function sql_query($query = '', $expire_time = 0)

- {

- if ($query != '')

- {

- global $cache;

-

- if (!$expire_time || !$cache->sql_load($query, $expire_time))

- {

- if ($expire_time)

- {

- $cache_result = true;

- }

-

- $this->query_result = false;

- $this->num_queries++;

-

- if (!empty($_GET['explain']))

- {

- global $starttime;

-

- $curtime = explode(' ', microtime());

- $curtime = $curtime[0] + $curtime[1] - $starttime;

- }

-

- if (!$this->query_result = @mysql_query($query, $this->db_connect_id))

- {

- $this->sql_error($query);

- }

-

- if (!empty($_GET['explain']))

- {

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1] - $starttime;

-

- $this->sql_report .= "<pre>Query:\t" . htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n\t", $query)) . "\n\n";

-

- if ($this->query_result)

- {

- $this->sql_report .= "Time before: $curtime\nTime after: $endtime\nElapsed time: <b>" . ($endtime - $curtime) . "</b>\n</pre>";

- }

- else

- {

- $error = $this->sql_error();

- $this->sql_report .= '<b>FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']) . '<br><br><pre>';

- }

-

- $this->sql_time += $endtime - $curtime;

-

- if (preg_match('/^SELECT/', $query))

- {

- $html_table = FALSE;

- if ($result = mysql_query("EXPLAIN $query", $this->db_connect_id))

- {

- while ($row = mysql_fetch_assoc($result))

- {

- if (!$html_table && count($row))

- {

- $html_table = TRUE;

- $this->sql_report .= "<table width=100% border=1 cellpadding=2 cellspacing=1>\n";

- $this->sql_report .= "<tr>\n<td><b>" . implode("</b></td>\n<td><b>", array_keys($row)) . "</b></td>\n</tr>\n";

- }

- $this->sql_report .= "<tr>\n<td>" . implode("&nbsp;</td>\n<td>", array_values($row)) . "&nbsp;</td>\n</tr>\n";

- }

- }

-

- if ($html_table)

- {

- $this->sql_report .= '</table><br>';

- }

- }

-

- $this->sql_report .= "<hr>\n";

- }

-

- $this->open_queries[] = $this->query_result;

- }

-

- if (!empty($cache_result))

- {

- $cache->sql_save($query, $this->query_result);

- @mysql_free_result(array_pop($this->open_queries));

- }

- }

- else

- {

- return false;

- }

-

- return ($this->query_result) ? $this->query_result : false;

- }

-

- // 20030406 Ashe: switched up $total and $offset as per MySQL manual

- function sql_query_limit($query, $total, $offset = 0, $expire_time = 0)

- {

- if ($query != '')

- {

- $this->query_result = false;

- $this->num_queries++;

-

- // if $total is set to 0 we do not want to limit the number of rows

- if ($total == 0)

- {

- $total = -1;

- }

-

- $query .= ' LIMIT ' . ((!empty($offset)) ? "$offset, $total" : $total);

-

- return $this->sql_query($query, $expire_time);

- }

- else

- {

- return false;

- }

- }

-

- // Idea for this from Ikonboard

- function sql_build_array($query, $assoc_ary = false)

- {

- if (!is_array($assoc_ary))

- {

- return false;

- }

-

- $fields = array();

- $values = array();

- if ($query == 'INSERT')

- {

- foreach ($assoc_ary as $key => $var)

- {

- $fields[] = $key;

-

- if (is_null($var))

- {

- $values[] = 'NULL';

- }

- elseif (is_string($var))

- {

- $values[] = "'" . $this->sql_escape($var) . "'";

- }

- else

- {

- $values[] = (is_bool($var)) ? intval($var) : $var;

- }

- }

-

- $query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';

- }

- else if ($query == 'UPDATE')

- {

- $values = array();

- foreach ($assoc_ary as $key => $var)

- {

- if (is_null($var))

- {

- $values[] = "$key = NULL";

- }

- elseif (is_string($var))

- {

- $values[] = "$key = '" . $this->sql_escape($var) . "'";

- }

- else

- {

- $values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";

- }

- }

- $query = implode(', ', $values);

- }

-

- return $query;

- }

-

- // Other query methods

- //

- // NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...

- // don't want this here by a middle Milestone

- function sql_numrows($query_id = false)

- {

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

-

- return ($query_id) ? @mysql_num_rows($query_id) : false;

- }

-

- function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;

- }

-

- function sql_fetchrow($query_id = 0)

- {

- global $cache;

-

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

-

- if ($cache->sql_exists($query_id))

- {

- return $cache->sql_fetchrow($query_id);

- }

-

- return ($query_id) ? @mysql_fetch_assoc($query_id) : false;

- }

-

- function sql_fetchrowset($query_id = 0)

- {

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

- if ($query_id)

- {

- unset($this->rowset[$query_id]);

- unset($this->row[$query_id]);

- while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))

- {

- $result[] = $this->rowset[$query_id];

- }

- return $result;

- }

- return false;

- }

-

- function sql_fetchfield($field, $rownum = -1, $query_id = 0)

- {

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

- if ($query_id)

- {

- if ($rownum > -1)

- {

- $result = @mysql_result($query_id, $rownum, $field);

- }

- else

- {

- if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))

- {

- if ($this->sql_fetchrow())

- {

- $result = $this->row[$query_id][$field];

- }

- }

- else

- {

- if ($this->rowset[$query_id])

- {

- $result = $this->rowset[$query_id][$field];

- }

- elseif ($this->row[$query_id])

- {

- $result = $this->row[$query_id][$field];

- }

- }

- }

- return $result;

- }

- return false;

- }

-

- function sql_rowseek($rownum, $query_id = 0)

- {

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

-

- return ($query_id) ? @mysql_data_seek($query_id, $rownum) : false;

- }

-

- function sql_nextid()

- {

- return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;

- }

-

- function sql_freeresult($query_id = false)

- {

- if (!$query_id)

- {

- $query_id = $this->query_result;

- }

-

- return ($query_id) ? @mysql_free_result($query_id) : false;

- }

-

- function sql_escape($msg)

- {

- return str_replace("'", "''", str_replace('\\', '\\\\', $msg));

-// return mysql_escape_string($msg);

- }

-

- function sql_error($sql = '')

- {

- $result = array(

- 'message' => @mysql_error(),

- 'code' => @mysql_errno()

- );

-

- if (!$this->return_on_error)

- {

- if ($this->transaction)

- {

- $this->sql_transaction('rollback');

- }

-

- $this_page = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];

- $this_page .= '&' . ((!empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING']);

-

- $message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>CALLING PAGE</u><br /><br />' . $this_page . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';

- trigger_error($message, E_USER_ERROR);

- }

-

-

- return $result;

- }

-

-} // class sql_db

-

-} // if ... define

-

-?> \ No newline at end of file