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-rw-r--r--includes/db/mssql.php551
1 files changed, 551 insertions, 0 deletions
diff --git a/includes/db/mssql.php b/includes/db/mssql.php
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@@ -0,0 +1,551 @@
+<?php
+/**
+*
+* @package dbal_mssql
+* @version $Id: mssql.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mssql');
+
+/**
+* @package dbal_mssql
+* MSSQL Database Abstraction Layer
+* Minimum Requirement is MSSQL 2000+
+*/
+class sql_db
+{
+ var $db_connect_id;
+ var $query_result;
+ var $return_on_error = false;
+ var $transaction = false;
+ var $sql_time = 0;
+ var $num_queries = 0;
+ var $open_queries = array();
+
+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+ {
+ $this->persistency = $persistency;
+ $this->user = $sqluser;
+ $this->server = $sqlserver . (($port) ? ':' . $port : '');
+ $this->dbname = $database;
+
+ $this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword) : @mssql_connect($this->server, $this->user, $sqlpassword);
+
+ if ($this->db_connect_id && $this->dbname != '')
+ {
+ if (!@mssql_select_db($this->dbname, $this->db_connect_id))
+ {
+ @mssql_close($this->db_connect_id);
+ return false;
+ }
+ }
+
+ return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+ }
+
+ function sql_close()
+ {
+ if (!$this->db_connect_id)
+ {
+ return false;
+ }
+
+ if ($this->transaction)
+ {
+ @mssql_query('COMMIT', $this->db_connect_id);
+ }
+
+ if (sizeof($this->open_queries))
+ {
+ foreach ($this->open_queries as $i_query_id => $query_id)
+ {
+ @mssql_free_result($query_id);
+ }
+ }
+
+ return @mssql_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':
+ $result = @mssql_query('BEGIN TRANSACTION', $this->db_connect_id);
+ $this->transaction = true;
+ break;
+
+ case 'commit':
+ $result = @mssql_query('commit', $this->db_connect_id);
+ $this->transaction = false;
+
+ if (!$result)
+ {
+ @mssql_query('ROLLBACK', $this->db_connect_id);
+ }
+ break;
+
+ case 'rollback':
+ $result = @mssql_query('ROLLBACK', $this->db_connect_id);
+ $this->transaction = false;
+ break;
+
+ default:
+ $result = true;
+ }
+
+ return $result;
+ }
+
+ // Base query method
+ function sql_query($query = '', $cache_ttl = 0)
+ {
+ if ($query != '')
+ {
+ global $cache;
+
+ // EXPLAIN only in extra debug mode
+ if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+ if (!$this->query_result)
+ {
+ $this->num_queries++;
+
+ if (($this->query_result = @mssql_query($query, $this->db_connect_id)) === false)
+ {
+ $this->sql_error($query);
+ }
+
+ if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache_ttl && method_exists($cache, 'sql_save'))
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $cache->sql_save($query, $this->query_result, $cache_ttl);
+ // sql_freeresult called within sql_save()
+ }
+ else if (strpos($query, 'SELECT') !== false && $this->query_result)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ }
+ }
+ else if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('fromcache', $query);
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return ($this->query_result) ? $this->query_result : false;
+ }
+
+ function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
+ {
+ if ($query != '')
+ {
+ $this->query_result = false;
+
+ // if $total is set to 0 we do not want to limit the number of rows
+ if ($total == 0)
+ {
+ $total = -1;
+ }
+
+ $row_offset = ($total) ? $offset : '';
+ $num_rows = ($total) ? $total : $offset;
+
+ $query = 'SELECT TOP ' . ($row_offset + $num_rows) . ' ' . substr($query, 6);
+
+ return $this->sql_query($query, $cache_ttl);
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ // Idea for this from Ikonboard
+ function sql_build_array($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' || $query == 'SELECT')
+ {
+ $values = array();
+ foreach ($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";
+ }
+ }
+ $query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $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 = $this->query_result;
+ }
+
+// return (isset($this->limit_offset[$query_id])) ? @mssql_num_rows($query_id) - $this->limit_offset[$query_id] : @mssql_num_rows($query_id);
+ return ($query_id) ? @mssql_num_rows($query_id) : false;
+ }
+
+ function sql_affectedrows()
+ {
+ return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;
+ }
+
+ function sql_fetchrow($query_id = false)
+ {
+ global $cache;
+
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($cache->sql_rowset[$query_id]))
+ {
+ return $cache->sql_fetchrow($query_id);
+ }
+
+ $row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
+
+ if ($row)
+ {
+ foreach ($row as $key => $value)
+ {
+ $row[$key] = ($value === ' ') ? trim($value) : $value;
+ }
+ }
+
+ return $row;
+ }
+
+ function sql_fetchrowset($query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($query_id)
+ {
+ unset($this->rowset[$query_id]);
+ unset($this->row[$query_id]);
+
+ $result = array();
+ while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
+ {
+ $result[] = $this->rowset[$query_id];
+ }
+ return $result;
+ }
+
+ return false;
+ }
+
+ function sql_fetchfield($field, $rownum = -1, $query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($query_id)
+ {
+ if ($rownum > -1)
+ {
+// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
+ @mssql_data_seek($query_id, $rownum);
+ $row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
+ $result = isset($row[$field]) ? $row[$field] : false;
+ }
+ else
+ {
+ if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+ {
+ if ($this->sql_fetchrow($query_id))
+ {
+ $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, $query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($this->current_row[$query_id]))
+ {
+// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
+ @mssql_data_seek($query_id, $rownum);
+ return true;
+ }
+
+ return false;
+ }
+
+ function sql_nextid()
+ {
+ $result_id = @mssql_query('SELECT @@IDENTITY', $this->db_connect_id);
+ if ($result_id)
+ {
+ if (@mssql_fetch_array($result_id, MSSQL_ASSOC))
+ {
+ return @mssql_result($result_id, 1);
+ }
+ }
+
+ return false;
+ }
+
+ function sql_freeresult($query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($this->open_queries[$query_id]))
+ {
+ unset($this->open_queries[$query_id]);
+ unset($this->result_rowset[$query_id]);
+
+ return @mssql_free_result($query_id);
+ }
+
+ return false;
+ }
+
+ function sql_escape($msg)
+ {
+ return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
+ }
+
+ function sql_error($sql = '')
+ {
+ if (!$this->return_on_error)
+ {
+ $this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+ $this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+ $message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mssql_get_last_message() . '<br /><br /><u>CALLING PAGE</u><br /><br />' . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+ if ($this->transaction)
+ {
+ $this->sql_transaction('rollback');
+ }
+
+ trigger_error($message, E_USER_ERROR);
+ }
+
+ $result = array(
+ 'message' => @mssql_get_last_message($this->db_connect_id),
+ 'code' => ''
+ );
+
+ return $result;
+ }
+
+ function sql_report($mode, $query = '')
+ {
+ if (empty($_GET['explain']))
+ {
+ return;
+ }
+
+ global $cache, $starttime, $phpbb_root_path;
+ static $curtime, $query_hold, $html_hold;
+ static $sql_report = '';
+ static $cache_num_queries = 0;
+
+ if (!$query && !empty($query_hold))
+ {
+ $query = $query_hold;
+ }
+
+ switch ($mode)
+ {
+ case 'display':
+ if (!empty($cache))
+ {
+ $cache->unload();
+ }
+ $this->sql_close();
+
+ $mtime = explode(' ', microtime());
+ $totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+ echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+ echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+ echo 'td.cat { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+ echo '</style><title>' . $msg_title . '</title></head><body>';
+ echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+ echo $sql_report;
+ echo '</td></tr></table><br /></body></html>';
+ exit;
+ break;
+
+ case 'start':
+ $query_hold = $query;
+ $html_hold = '';
+
+ $curtime = explode(' ', microtime());
+ $curtime = $curtime[0] + $curtime[1];
+ break;
+
+ case 'fromcache':
+ $endtime = explode(' ', microtime());
+ $endtime = $endtime[0] + $endtime[1];
+
+ $result = @mssql_query($query, $this->db_connect_id);
+ while ($void = @mssql_fetch_array($result, MSSQL_ASSOC))
+ {
+ // Take the time spent on parsing rows into account
+ }
+ $splittime = explode(' ', microtime());
+ $splittime = $splittime[0] + $splittime[1];
+
+ $time_cache = $endtime - $curtime;
+ $time_db = $splittime - $endtime;
+ $color = ($time_db > $time_cache) ? 'green' : 'red';
+
+ $sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+ $sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+ // Pad the start time to not interfere with page timing
+ $starttime += $time_db;
+
+ @mssql_free_result($result);
+ $cache_num_queries++;
+ break;
+
+ case 'stop':
+ $endtime = explode(' ', microtime());
+ $endtime = $endtime[0] + $endtime[1];
+
+ $sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+ if ($this->query_result)
+ {
+ if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+ {
+ $sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+ }
+ $sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+ }
+ else
+ {
+ $error = $this->sql_error();
+ $sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+ }
+
+ $sql_report .= '</p>';
+
+ $this->sql_time += $endtime - $curtime;
+ break;
+ }
+ }
+
+} // class sql_db
+
+} // if ... define
+
+?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 05:01:02 +0000