aboutsummaryrefslogtreecommitdiffstats
path: root/phpBB/phpbb/db/driver/mysql.php
diff options
context:
space:
mode:
authorNils Adermann <naderman@naderman.de>2013-07-14 01:32:34 -0400
committerNils Adermann <naderman@naderman.de>2013-07-14 01:32:34 -0400
commit7030578bbe9e11c18b5becaf8b06e670e3c2e3cd (patch)
treea260c846cb47713e72de11cfb9803d981ea6faaf /phpBB/phpbb/db/driver/mysql.php
parent4186c05bb4b97374392031a10b796e77b857afaf (diff)
downloadforums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.gz
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.bz2
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.xz
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.zip
[ticket/11698] Moving all autoloadable files to phpbb/
PHPBB3-11698
Diffstat (limited to 'phpBB/phpbb/db/driver/mysql.php')
-rw-r--r--phpBB/phpbb/db/driver/mysql.php472
1 files changed, 472 insertions, 0 deletions
diff --git a/phpBB/phpbb/db/driver/mysql.php b/phpBB/phpbb/db/driver/mysql.php
new file mode 100644
index 0000000000..f3744ac09d
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mysql.php
@@ -0,0 +1,472 @@
+<?php
+/**
+*
+* @package dbal
+* @copyright (c) 2005 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* MySQL4 Database Abstraction Layer
+* Compatible with:
+* MySQL 3.23+
+* MySQL 4.0+
+* MySQL 4.1+
+* MySQL 5.0+
+* @package dbal
+*/
+class phpbb_db_driver_mysql extends phpbb_db_driver_mysql_base
+{
+ var $multi_insert = true;
+ var $connect_error = '';
+
+ /**
+ * Connect to server
+ * @access public
+ */
+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
+ {
+ $this->persistency = $persistency;
+ $this->user = $sqluser;
+ $this->server = $sqlserver . (($port) ? ':' . $port : '');
+ $this->dbname = $database;
+
+ $this->sql_layer = 'mysql4';
+
+ if ($this->persistency)
+ {
+ if (!function_exists('mysql_pconnect'))
+ {
+ $this->connect_error = 'mysql_pconnect function does not exist, is mysql extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @mysql_pconnect($this->server, $this->user, $sqlpassword);
+ }
+ else
+ {
+ if (!function_exists('mysql_connect'))
+ {
+ $this->connect_error = 'mysql_connect function does not exist, is mysql extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @mysql_connect($this->server, $this->user, $sqlpassword, $new_link);
+ }
+
+ if ($this->db_connect_id && $this->dbname != '')
+ {
+ if (@mysql_select_db($this->dbname, $this->db_connect_id))
+ {
+ // Determine what version we are using and if it natively supports UNICODE
+ if (version_compare($this->sql_server_info(true), '4.1.0', '>='))
+ {
+ @mysql_query("SET NAMES 'utf8'", $this->db_connect_id);
+
+ // enforce strict mode on databases that support it
+ if (version_compare($this->sql_server_info(true), '5.0.2', '>='))
+ {
+ $result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);
+ $row = @mysql_fetch_assoc($result);
+ @mysql_free_result($result);
+ $modes = array_map('trim', explode(',', $row['sql_mode']));
+
+ // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES
+ if (!in_array('TRADITIONAL', $modes))
+ {
+ if (!in_array('STRICT_ALL_TABLES', $modes))
+ {
+ $modes[] = 'STRICT_ALL_TABLES';
+ }
+
+ if (!in_array('STRICT_TRANS_TABLES', $modes))
+ {
+ $modes[] = 'STRICT_TRANS_TABLES';
+ }
+ }
+
+ $mode = implode(',', $modes);
+ @mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);
+ }
+ }
+ else if (version_compare($this->sql_server_info(true), '4.0.0', '<'))
+ {
+ $this->sql_layer = 'mysql';
+ }
+
+ return $this->db_connect_id;
+ }
+ }
+
+ return $this->sql_error('');
+ }
+
+ /**
+ * Version information about used database
+ * @param bool $raw if true, only return the fetched sql_server_version
+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache
+ * @return string sql server version
+ */
+ function sql_server_info($raw = false, $use_cache = true)
+ {
+ global $cache;
+
+ if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('mysql_version')) === false)
+ {
+ $result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id);
+ $row = @mysql_fetch_assoc($result);
+ @mysql_free_result($result);
+
+ $this->sql_server_version = $row['version'];
+
+ if (!empty($cache) && $use_cache)
+ {
+ $cache->put('mysql_version', $this->sql_server_version);
+ }
+ }
+
+ return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;
+ }
+
+ /**
+ * SQL Transaction
+ * @access private
+ */
+ function _sql_transaction($status = 'begin')
+ {
+ switch ($status)
+ {
+ case 'begin':
+ return @mysql_query('BEGIN', $this->db_connect_id);
+ break;
+
+ case 'commit':
+ return @mysql_query('COMMIT', $this->db_connect_id);
+ break;
+
+ case 'rollback':
+ return @mysql_query('ROLLBACK', $this->db_connect_id);
+ break;
+ }
+
+ return true;
+ }
+
+ /**
+ * Base query method
+ *
+ * @param string $query Contains the SQL query which shall be executed
+ * @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
+ * @return mixed When casted to bool the returned value returns true on success and false on failure
+ *
+ * @access public
+ */
+ function sql_query($query = '', $cache_ttl = 0)
+ {
+ if ($query != '')
+ {
+ global $cache;
+
+ // EXPLAIN only in extra debug mode
+ if (defined('DEBUG'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($query) : false;
+ $this->sql_add_num_queries($this->query_result);
+
+ if ($this->query_result === false)
+ {
+ if (($this->query_result = @mysql_query($query, $this->db_connect_id)) === false)
+ {
+ $this->sql_error($query);
+ }
+
+ if (defined('DEBUG'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $query, $this->query_result, $cache_ttl);
+ }
+ else if (strpos($query, 'SELECT') === 0 && $this->query_result)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ }
+ }
+ else if (defined('DEBUG'))
+ {
+ $this->sql_report('fromcache', $query);
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return $this->query_result;
+ }
+
+ /**
+ * Return number of affected rows
+ */
+ function sql_affectedrows()
+ {
+ return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
+ }
+
+ /**
+ * Fetch current row
+ */
+ function sql_fetchrow($query_id = false)
+ {
+ global $cache;
+
+ if ($query_id === false)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($query_id))
+ {
+ return $cache->sql_fetchrow($query_id);
+ }
+
+ return ($query_id !== false) ? @mysql_fetch_assoc($query_id) : false;
+ }
+
+ /**
+ * Seek to given row number
+ * rownum is zero-based
+ */
+ function sql_rowseek($rownum, &$query_id)
+ {
+ global $cache;
+
+ if ($query_id === false)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($query_id))
+ {
+ return $cache->sql_rowseek($rownum, $query_id);
+ }
+
+ return ($query_id !== false) ? @mysql_data_seek($query_id, $rownum) : false;
+ }
+
+ /**
+ * Get last inserted id after insert statement
+ */
+ function sql_nextid()
+ {
+ return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
+ }
+
+ /**
+ * Free sql result
+ */
+ function sql_freeresult($query_id = false)
+ {
+ global $cache;
+
+ if ($query_id === false)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($query_id))
+ {
+ return $cache->sql_freeresult($query_id);
+ }
+
+ if (isset($this->open_queries[(int) $query_id]))
+ {
+ unset($this->open_queries[(int) $query_id]);
+ return @mysql_free_result($query_id);
+ }
+
+ return false;
+ }
+
+ /**
+ * Escape string used in sql query
+ */
+ function sql_escape($msg)
+ {
+ if (!$this->db_connect_id)
+ {
+ return @mysql_real_escape_string($msg);
+ }
+
+ return @mysql_real_escape_string($msg, $this->db_connect_id);
+ }
+
+ /**
+ * return sql error array
+ * @access private
+ */
+ function _sql_error()
+ {
+ if ($this->db_connect_id)
+ {
+ $error = array(
+ 'message' => @mysql_error($this->db_connect_id),
+ 'code' => @mysql_errno($this->db_connect_id),
+ );
+ }
+ else if (function_exists('mysql_error'))
+ {
+ $error = array(
+ 'message' => @mysql_error(),
+ 'code' => @mysql_errno(),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @mysql_close($this->db_connect_id);
+ }
+
+ /**
+ * Build db-specific report
+ * @access private
+ */
+ function _sql_report($mode, $query = '')
+ {
+ static $test_prof;
+
+ // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING
+ if ($test_prof === null)
+ {
+ $test_prof = false;
+ if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))
+ {
+ $test_prof = true;
+ }
+ }
+
+ switch ($mode)
+ {
+ case 'start':
+
+ $explain_query = $query;
+ if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+ {
+ $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+ }
+ else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+ {
+ $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+ }
+
+ if (preg_match('/^SELECT/', $explain_query))
+ {
+ $html_table = false;
+
+ // begin profiling
+ if ($test_prof)
+ {
+ @mysql_query('SET profiling = 1;', $this->db_connect_id);
+ }
+
+ if ($result = @mysql_query("EXPLAIN $explain_query", $this->db_connect_id))
+ {
+ while ($row = @mysql_fetch_assoc($result))
+ {
+ $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
+ }
+ }
+ @mysql_free_result($result);
+
+ if ($html_table)
+ {
+ $this->html_hold .= '</table>';
+ }
+
+ if ($test_prof)
+ {
+ $html_table = false;
+
+ // get the last profile
+ if ($result = @mysql_query('SHOW PROFILE ALL;', $this->db_connect_id))
+ {
+ $this->html_hold .= '<br />';
+ while ($row = @mysql_fetch_assoc($result))
+ {
+ // make <unknown> HTML safe
+ if (!empty($row['Source_function']))
+ {
+ $row['Source_function'] = str_replace(array('<', '>'), array('&lt;', '&gt;'), $row['Source_function']);
+ }
+
+ // remove unsupported features
+ foreach ($row as $key => $val)
+ {
+ if ($val === null)
+ {
+ unset($row[$key]);
+ }
+ }
+ $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
+ }
+ }
+ @mysql_free_result($result);
+
+ if ($html_table)
+ {
+ $this->html_hold .= '</table>';
+ }
+
+ @mysql_query('SET profiling = 0;', $this->db_connect_id);
+ }
+ }
+
+ break;
+
+ case 'fromcache':
+ $endtime = explode(' ', microtime());
+ $endtime = $endtime[0] + $endtime[1];
+
+ $result = @mysql_query($query, $this->db_connect_id);
+ while ($void = @mysql_fetch_assoc($result))
+ {
+ // Take the time spent on parsing rows into account
+ }
+ @mysql_free_result($result);
+
+ $splittime = explode(' ', microtime());
+ $splittime = $splittime[0] + $splittime[1];
+
+ $this->sql_report('record_fromcache', $query, $endtime, $splittime);
+
+ break;
+ }
+ }
+}
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-11 13:52:14 +0000