935 lines
28 KiB
PHP
935 lines
28 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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*
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* @author Alexander Rutkowski
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* @version $Id$
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* @package phpMyAdmin
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*/
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/**
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* Gets relation settings
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*/
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require_once './libraries/relation.lib.php';
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/**
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* This class tracks changes on databases, tables and views.
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* For more information please see phpMyAdmin/Documentation.html
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*
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* @author Alexander Rutkowski <alexander.rutkowski@googlemail.com>
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* @package phpMyAdmin
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*
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* @todo use stristr instead of strstr
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*/
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class PMA_Tracker
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{
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/**
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* Whether tracking is ready.
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*/
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static protected $enabled = false;
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/**
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* Defines the internal PMA table which contains tracking data.
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*
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* @access protected
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* @var string
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*/
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static protected $pma_table;
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/**
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* Defines the usage of DROP TABLE statment in SQL dumps.
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*
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* @access protected
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* @var boolean
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*/
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static protected $add_drop_table;
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/**
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* Defines the usage of DROP VIEW statment in SQL dumps.
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*
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* @access protected
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* @var boolean
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*/
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static protected $add_drop_view;
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/**
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* Defines the usage of DROP DATABASE statment in SQL dumps.
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*
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* @access protected
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* @var boolean
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*/
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static protected $add_drop_database;
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/**
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* Defines auto-creation of tracking versions.
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*
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* @var boolean
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*/
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static protected $version_auto_create;
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/**
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* Defines the default set of tracked statements.
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*
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* @var string
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*/
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static protected $default_tracking_set;
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/**
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* Initializes settings. See phpMyAdmin/Documentation.html.
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*
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* @static
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*
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*/
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static public function init()
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{
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self::$pma_table = PMA_backquote($GLOBALS['cfg']['Server']['pmadb']) .".".
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PMA_backquote($GLOBALS['cfg']['Server']['tracking']);
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self::$add_drop_table = $GLOBALS['cfg']['Server']['tracking_add_drop_table'];
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self::$add_drop_view = $GLOBALS['cfg']['Server']['tracking_add_drop_view'];
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self::$add_drop_database = $GLOBALS['cfg']['Server']['tracking_add_drop_database'];
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self::$default_tracking_set = $GLOBALS['cfg']['Server']['tracking_default_statements'];
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self::$version_auto_create = $GLOBALS['cfg']['Server']['tracking_version_auto_create'];
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}
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/**
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* Actually enables tracking. This needs to be done after all
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* underlaying code is initialized.
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*
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* @static
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*
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*/
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static public function enable()
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{
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self::$enabled = true;
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}
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/**
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* Gets the on/off value of the Tracker module, starts initialization.
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*
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* @static
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*
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* @return boolean (true=on|false=off)
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*/
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static public function isActive()
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{
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if (!self::$enabled) return false;
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/* We need to avoid attempt to track any queries from PMA_getRelationsParam */
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self::$enabled = false;
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$cfgRelation = PMA_getRelationsParam();
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/* Restore original state */
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self::$enabled = true;
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if (!$cfgRelation['trackingwork']) return false;
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self::init();
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if(isset(self::$pma_table))
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return true;
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else
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return false;
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}
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/**
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* Returns a simple DROP TABLE statement.
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*
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* @param string $tablename
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* @return string
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*/
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static public function getStatementDropTable($tablename)
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{
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return 'DROP TABLE IF EXISTS ' . $tablename;
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}
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/**
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* Returns a simple DROP VIEW statement.
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*
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* @param string $viewname
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* @return string
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*/
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static public function getStatementDropView($viewname)
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{
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return 'DROP VIEW IF EXISTS ' . $viewname;
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}
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/**
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* Returns a simple DROP DATABASE statement.
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*
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* @param string $dbname
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* @return string
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*/
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static public function getStatementDropDatabase($dbname)
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{
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return 'DROP DATABASE IF EXISTS ' . $dbname;
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}
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/**
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* Parses the name of a table from a SQL statement substring.
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*
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* @static
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*
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* @param string $string part of SQL statement
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*
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* @return string the name of table
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*/
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static protected function getTableName($string)
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{
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if(strstr($string,'.')) {
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$temp = explode('.',$string);
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$tablename = $temp[1];
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}
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else {
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$tablename = $string;
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}
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$str = explode("\n", $tablename);
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$tablename = $str[0];
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$tablename = str_replace(';', '', $tablename);
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$tablename = str_replace('`', '', $tablename);
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$tablename = trim($tablename);
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return $tablename;
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}
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/**
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* Gets the tracking status of a table, is it active or deactive ?
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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*
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* @return boolean true or false
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*/
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static public function isTracked($dbname, $tablename)
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{
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if (!self::$enabled) return false;
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/* We need to avoid attempt to track any queries from PMA_getRelationsParam */
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self::$enabled = false;
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$cfgRelation = PMA_getRelationsParam();
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/* Restore original state */
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self::$enabled = true;
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if (!$cfgRelation['trackingwork']) return false;
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$sql_query =
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" SELECT tracking_active FROM " . self::$pma_table .
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" WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
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" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) . "' ".
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" ORDER BY version DESC";
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$row = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
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if(isset($row['tracking_active']) and $row['tracking_active'] == 1)
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return true;
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else
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return false;
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}
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/**
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* Returns the comment line for the log.
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*
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* @return string Comment, contains date and username
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*/
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static public function getLogComment()
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{
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$date = date('Y-m-d H:i:s');
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return "# log " . $date . " " . $GLOBALS['cfg']['Server']['user'] . "\n";
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}
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/**
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* Creates tracking version of a table / view
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* (in other words: create a job to track future changes on the table).
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $version version
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* @param string $tracking_set set of tracking statements
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* @param string $is_view if table is a view
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*
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* @return int result of version insertion
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*/
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static public function createVersion($dbname, $tablename, $version, $tracking_set = '', $is_view = false)
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{
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global $sql_backquotes;
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if($tracking_set == '')
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$tracking_set = self::$default_tracking_set;
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require_once './libraries/export/sql.php';
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$sql_backquotes = true;
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$date = date('Y-m-d H:i:s');
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// Get data definition snapshot of table
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$sql_query = '
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SHOW FULL COLUMNS FROM ' . PMA_backquote($dbname) . '.' . PMA_backquote($tablename);
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$sql_result = PMA_DBI_query($sql_query);
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while($row = PMA_DBI_fetch_array($sql_result))
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$columns[] = $row;
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$sql_query = '
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SHOW INDEX FROM ' . PMA_backquote($dbname) . '.' . PMA_backquote($tablename);
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$sql_result = PMA_DBI_query($sql_query);
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$indexes = array();
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while( $row = PMA_DBI_fetch_array($sql_result))
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$indexes[] = $row;
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$snapshot = array('COLUMNS' => $columns , 'INDEXES' => $indexes);
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$snapshot = serialize($snapshot);
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// Get DROP TABLE / DROP VIEW and CREATE TABLE SQL statements
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$sql_backquotes = true;
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$create_sql = "";
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if(self::$add_drop_table == true and $is_view == false)
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{
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$create_sql .= self::getLogComment() .
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self::getStatementDropTable(PMA_backquote($tablename)) . ";\n";
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}
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if(self::$add_drop_view == true and $is_view == true)
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{
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$create_sql .= self::getLogComment() .
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self::getStatementDropView(PMA_backquote($tablename)) . ";\n";
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}
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$create_sql .= self::getLogComment() .
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PMA_getTableDef($dbname, $tablename, "\n", "");
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// Save version
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$sql_query =
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"/*NOTRACK*/\n" .
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"INSERT INTO" . self::$pma_table . " (" .
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"db_name, ".
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"table_name, ".
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"version, ".
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"date_created, ".
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"date_updated, ".
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"schema_snapshot, ".
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"schema_sql, ".
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"data_sql, ".
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"tracking ".
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") ".
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"values (
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'" . PMA_sqlAddslashes($dbname) . "',
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'" . PMA_sqlAddslashes($tablename) . "',
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'" . PMA_sqlAddslashes($version) . "',
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'" . PMA_sqlAddslashes($date) . "',
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'" . PMA_sqlAddslashes($date) . "',
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'" . PMA_sqlAddslashes($snapshot) . "',
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'" . PMA_sqlAddslashes($create_sql) . "',
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'" . PMA_sqlAddslashes("\n") . "',
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'" . PMA_sqlAddslashes($tracking_set) . "' )";
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$result = PMA_query_as_controluser($sql_query);
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if($result)
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{
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// Deactivate previous version
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self::deactivateTracking($dbname, $tablename, ($version - 1));
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}
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return $result;
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}
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/**
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* Creates tracking version of a database
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* (in other words: create a job to track future changes on the database).
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $version version
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* @param string $query query
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* @param string $tracking_set set of tracking statements
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*
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* @return int result of version insertion
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*/
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static public function createDatabaseVersion($dbname, $version, $query, $tracking_set = 'CREATE DATABASE,ALTER DATABASE,DROP DATABASE')
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{
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global $sql_backquotes;
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$date = date('Y-m-d H:i:s');
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if($tracking_set == '')
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$tracking_set = self::$default_tracking_set;
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require_once './libraries/export/sql.php';
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$create_sql = "";
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if(self::$add_drop_database == true)
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{
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$create_sql .= self::getLogComment() .
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self::getStatementDropDatabase(PMA_backquote($dbname)) . ";\n";
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}
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$create_sql .= self::getLogComment() . $query;
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// Save version
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$sql_query =
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"/*NOTRACK*/\n" .
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"INSERT INTO" . self::$pma_table . " (" .
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"db_name, ".
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"table_name, ".
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"version, ".
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"date_created, ".
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"date_updated, ".
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"schema_snapshot, ".
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"schema_sql, ".
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"data_sql, ".
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"tracking ".
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") ".
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"values (
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'" . PMA_sqlAddslashes($dbname) . "',
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'" . PMA_sqlAddslashes('') . "',
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'" . PMA_sqlAddslashes($version) . "',
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'" . PMA_sqlAddslashes($date) . "',
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'" . PMA_sqlAddslashes($date) . "',
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'" . PMA_sqlAddslashes('') . "',
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'" . PMA_sqlAddslashes($create_sql) . "',
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'" . PMA_sqlAddslashes("\n") . "',
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'" . PMA_sqlAddslashes($tracking_set) . "' )";
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$result = PMA_query_as_controluser($sql_query);
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return $result;
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}
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/**
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* Activates tracking of a table.
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $version version
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*
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* @return int result of SQL query
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*/
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static public function activateTracking($dbname, $tablename, $version)
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{
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$sql_query =
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" UPDATE " . self::$pma_table .
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" SET " . PMA_backquote('tracking_active') ." = '1' " .
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" WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
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" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) . "' " .
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" AND " . PMA_backquote('version') . " = '" . PMA_sqlAddslashes($version) . "' ";
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$result = PMA_query_as_controluser($sql_query);
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return $result;
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}
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/**
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* Deativates tracking of a table.
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $version version
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*
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* @return int result of SQL query
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*/
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static public function deactivateTracking($dbname, $tablename, $version)
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{
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$sql_query =
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" UPDATE " . self::$pma_table .
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" SET " . PMA_backquote('tracking_active') ." = '0' " .
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" WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
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" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) . "' " .
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" AND " . PMA_backquote('version') . " = '" . PMA_sqlAddslashes($version) . "' ";
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$result = PMA_query_as_controluser($sql_query);
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return $result;
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}
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/**
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* Gets the newest version of a tracking job
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* (in other words: gets the HEAD version).
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $statement tracked statement
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*
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* @return int (-1 if no version exist | > 0 if a version exist)
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*/
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static public function getVersion($dbname, $tablename, $statement = null)
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{
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$sql_query =
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" SELECT MAX(version) FROM " . self::$pma_table .
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" WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
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" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) . "' ";
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if($statement != "")
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$sql_query .= " AND FIND_IN_SET('" . $statement . "',tracking) > 0" ;
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$row = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
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if(isset($row[0]))
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$version = $row[0];
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if(!isset($version)) $version = -1;
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return $version;
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}
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/**
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* Gets the record of a tracking job.
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*
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* @static
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $version version number
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*
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* @return mixed record DDM log, DDL log, structure snapshot, tracked statements.
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*/
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static public function getTrackedData($dbname, $tablename, $version)
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{
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$sql_query = " SELECT * FROM " . self::$pma_table .
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" WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' ".
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" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) ."' ".
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" AND " . PMA_backquote('version') . " = '" . PMA_sqlAddslashes($version) ."' ".
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" ORDER BY ". PMA_backquote('version') . " DESC ";
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$mixed = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
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// Parse log
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$log_schema_entries = explode('# log ', $mixed['schema_sql']);
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$log_data_entries = explode('# log ', $mixed['data_sql']);
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$ddl_date_from = $date = date('Y-m-d H:i:s');
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$ddlog = array();
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$i = 0;
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// Iterate tracked data definition statements
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// For each log entry we want to get date, username and statement
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foreach ($log_schema_entries as $log_entry)
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{
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if(trim($log_entry) != '')
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{
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$date = substr($log_entry, 0, 19);
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$username = substr($log_entry, 20, strpos($log_entry, "\n") - 20);
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if($i == 0) $ddl_date_from = $date;
|
|
$statement = rtrim(strstr($log_entry, "\n"));
|
|
|
|
$ddlog[] = array( 'date' => $date,
|
|
'username'=> $username,
|
|
'statement' => $statement );
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
$date_from = $ddl_date_from;
|
|
$date_to = $ddl_date_to = $date;
|
|
|
|
$dml_date_from = $date_from;
|
|
|
|
$dmlog = array();
|
|
$i = 0;
|
|
|
|
// Iterate tracked data manipulation statements
|
|
// For each log entry we want to get date, username and statement
|
|
foreach ($log_data_entries as $log_entry)
|
|
{
|
|
if(trim($log_entry) != '')
|
|
{
|
|
$date = substr($log_entry, 0, 19);
|
|
$username = substr($log_entry, 20, strpos($log_entry, "\n") - 20);
|
|
if($i == 0) $dml_date_from = $date;
|
|
$statement = rtrim(strstr($log_entry, "\n"));
|
|
|
|
$dmlog[] = array( 'date' => $date,
|
|
'username' => $username,
|
|
'statement' => $statement );
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
$dml_date_to = $date;
|
|
|
|
// Define begin and end of date range for both logs
|
|
if(strtotime($ddl_date_from) <= strtotime($dml_date_from))
|
|
$data['date_from'] = $ddl_date_from;
|
|
else
|
|
$data['date_from'] = $dml_date_from;
|
|
|
|
if(strtotime($ddl_date_to) >= strtotime($dml_date_to))
|
|
$data['date_to'] = $ddl_date_to;
|
|
else
|
|
$data['date_to'] = $dml_date_to;
|
|
|
|
$data['ddlog'] = $ddlog;
|
|
$data['dmlog'] = $dmlog;
|
|
$data['tracking'] = $mixed['tracking'];
|
|
$data['schema_snapshot'] = $mixed['schema_snapshot'];
|
|
|
|
return $data;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parses a query. Gets
|
|
* - statement identifier (UPDATE, ALTER TABLE, ...)
|
|
* - type of statement, is it part of DDL or DML ?
|
|
* - tablename
|
|
*
|
|
* @static
|
|
* @todo: using PMA SQL Parser when possible
|
|
* @todo: support multi-table/view drops
|
|
*
|
|
* @param string $query
|
|
*
|
|
* @return mixed Array containing identifier, type and tablename.
|
|
*
|
|
*/
|
|
static public function parseQuery($query)
|
|
{
|
|
|
|
// Usage of PMA_SQP does not work here
|
|
//
|
|
// require_once("libraries/sqlparser.lib.php");
|
|
// $parsed_sql = PMA_SQP_parse($query);
|
|
// $sql_info = PMA_SQP_analyze($parsed_sql);
|
|
|
|
$query = str_replace("\n"," ", $query);
|
|
$query = str_replace("\r"," ", $query);
|
|
|
|
$query = trim($query);
|
|
$query = trim($query, ' -');
|
|
|
|
$tokens = explode(" ", $query);
|
|
$tokens = array_map('strtoupper', $tokens);
|
|
|
|
// Parse USE statement, need it for SQL dump imports
|
|
if(substr($query, 0, 4) == 'USE ')
|
|
{
|
|
$prefix = explode('USE ', $query);
|
|
$GLOBALS['db'] = self::getTableName($prefix[1]);
|
|
}
|
|
|
|
/*
|
|
* DDL statements
|
|
*/
|
|
|
|
$result['type'] = 'DDL';
|
|
|
|
// Parse CREATE VIEW statement
|
|
if(in_array('CREATE', $tokens) == true and
|
|
in_array('VIEW', $tokens) == true and
|
|
in_array('AS', $tokens) == true)
|
|
{
|
|
$result['identifier'] = 'CREATE VIEW';
|
|
|
|
$index = array_search('VIEW', $tokens);
|
|
|
|
$result['tablename'] = strtolower(self::getTableName($tokens[$index + 1]));
|
|
}
|
|
|
|
// Parse ALTER VIEW statement
|
|
if(in_array('ALTER', $tokens) == true and
|
|
in_array('VIEW', $tokens) == true and
|
|
in_array('AS', $tokens) == true and
|
|
!isset($result['identifier']))
|
|
{
|
|
$result['identifier'] = 'ALTER VIEW';
|
|
|
|
$index = array_search('VIEW', $tokens);
|
|
|
|
$result['tablename'] = strtolower(self::getTableName($tokens[$index + 1]));
|
|
}
|
|
|
|
// Parse DROP VIEW statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 10) == 'DROP VIEW ')
|
|
{
|
|
$result['identifier'] = 'DROP VIEW';
|
|
|
|
$prefix = explode('DROP VIEW ', $query);
|
|
$str = strstr($prefix[1], 'IF EXISTS');
|
|
|
|
if($str == FALSE )
|
|
$str = $prefix[1];
|
|
|
|
$result['tablename'] = self::getTableName($str);
|
|
}
|
|
|
|
// Parse CREATE DATABASE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 15) == 'CREATE DATABASE')
|
|
{
|
|
$result['identifier'] = 'CREATE DATABASE';
|
|
$str = str_replace('CREATE DATABASE', '', $query);
|
|
$str = str_replace('IF NOT EXISTS', '', $str);
|
|
|
|
$prefix = explode('DEFAULT ', $str);
|
|
|
|
$result['tablename'] = '';
|
|
$GLOBALS['db'] = self::getTableName($prefix[0]);
|
|
}
|
|
|
|
// Parse ALTER DATABASE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 14) == 'ALTER DATABASE')
|
|
{
|
|
$result['identifier'] = 'ALTER DATABASE';
|
|
$result['tablename'] = '';
|
|
}
|
|
|
|
// Parse DROP DATABASE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 13) == 'DROP DATABASE')
|
|
{
|
|
$result['identifier'] = 'DROP DATABASE';
|
|
$str = str_replace('DROP DATABASE', '', $query);
|
|
$str = str_replace('IF EXISTS', '', $str);
|
|
$GLOBALS['db'] = self::getTableName($str);
|
|
$result['tablename'] = '';
|
|
}
|
|
|
|
// Parse CREATE TABLE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 12) == 'CREATE TABLE')
|
|
{
|
|
$result['identifier'] = 'CREATE TABLE';
|
|
$query = str_replace('IF NOT EXISTS', '', $query);
|
|
$prefix = explode('CREATE TABLE ', $query);
|
|
$suffix = explode('(', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse ALTER TABLE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 12) == 'ALTER TABLE ')
|
|
{
|
|
$result['identifier'] = 'ALTER TABLE';
|
|
|
|
$prefix = explode('ALTER TABLE ', $query);
|
|
$suffix = explode(' ', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse DROP TABLE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 11) == 'DROP TABLE ')
|
|
{
|
|
$result['identifier'] = 'DROP TABLE';
|
|
|
|
$prefix = explode('DROP TABLE ', $query);
|
|
$str = strstr($prefix[1], 'IF EXISTS');
|
|
|
|
if($str == FALSE )
|
|
$str = $prefix[1];
|
|
|
|
$result['tablename'] = self::getTableName($str);
|
|
}
|
|
|
|
// Parse CREATE INDEX statement
|
|
if(!isset($result['identifier']) and
|
|
( substr($query, 0, 12) == 'CREATE INDEX' or
|
|
substr($query, 0, 19) == 'CREATE UNIQUE INDEX' or
|
|
substr($query, 0, 20) == 'CREATE SPATIAL INDEX'
|
|
)
|
|
)
|
|
{
|
|
$result['identifier'] = 'CREATE INDEX';
|
|
$prefix = explode('ON ', $query);
|
|
$suffix = explode('(', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse DROP INDEX statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 10) == 'DROP INDEX')
|
|
{
|
|
$result['identifier'] = 'DROP INDEX';
|
|
$prefix = explode('ON ', $query);
|
|
$result['tablename'] = self::getTableName($prefix[1]);
|
|
}
|
|
|
|
// Parse RENAME TABLE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 13) == 'RENAME TABLE ')
|
|
{
|
|
$result['identifier'] = 'RENAME TABLE';
|
|
$prefix = explode('RENAME TABLE ', $query);
|
|
$names = explode(' TO ', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($names[0]);
|
|
$result["tablename_after_rename"] = self::getTableName($names[1]);
|
|
}
|
|
|
|
/*
|
|
* DML statements
|
|
*/
|
|
|
|
if(!isset($result['identifier']))
|
|
$result["type"] = 'DML';
|
|
|
|
// Parse UPDATE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 6) == 'UPDATE')
|
|
{
|
|
$result['identifier'] = 'UPDATE';
|
|
$prefix = explode('UPDATE ', $query);
|
|
$suffix = explode(' ', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse INSERT INTO statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 11 ) == 'INSERT INTO')
|
|
{
|
|
$result['identifier'] = 'INSERT';
|
|
$prefix = explode('INSERT INTO', $query);
|
|
$suffix = explode('(', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse DELETE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 6 ) == 'DELETE')
|
|
{
|
|
$result['identifier'] = 'DELETE';
|
|
$prefix = explode('FROM ', $query);
|
|
$suffix = explode(' ', $prefix[1]);
|
|
$result['tablename'] = self::getTableName($suffix[0]);
|
|
}
|
|
|
|
// Parse TRUNCATE statement
|
|
if(!isset($result['identifier']) and substr($query, 0, 8 ) == 'TRUNCATE')
|
|
{
|
|
$result['identifier'] = 'TRUNCATE';
|
|
$prefix = explode('TRUNCATE', $query);
|
|
$result['tablename'] = self::getTableName($prefix[1]);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Analyzes a given SQL statement and saves tracking data.
|
|
*
|
|
*
|
|
* @static
|
|
* @param string $query a SQL query
|
|
*/
|
|
static public function handleQuery($query)
|
|
{
|
|
// If query is marked as untouchable, leave
|
|
if(strstr($query, "/*NOTRACK*/"))
|
|
return false;
|
|
|
|
//$query = trim($query);
|
|
//$query = ltrim($query, '-');
|
|
|
|
|
|
if(!(substr($query, -1) == ';'))
|
|
$query = $query . ";\n";
|
|
|
|
// Get some information about query
|
|
$result = self::parseQuery($query);
|
|
|
|
// Get database name
|
|
$dbname = trim($GLOBALS['db'], '`');
|
|
// $dbname can be empty, for example when coming from Synchronize
|
|
// and this is a query for the remote server
|
|
if (empty($dbname)) {
|
|
return false;
|
|
}
|
|
|
|
// If we found a valid statement
|
|
if(isset($result['identifier']))
|
|
{
|
|
$version = self::getVersion($dbname, $result['tablename'], $result['identifier']);
|
|
|
|
// If version not exists and auto-creation is enabled
|
|
if(self::$version_auto_create == true and
|
|
self::isTracked($dbname, $result['tablename']) == false and
|
|
$version == -1)
|
|
{
|
|
// Create the version
|
|
|
|
if($result['identifier'] == 'CREATE TABLE')
|
|
self::createVersion($dbname, $result['tablename'], '1');
|
|
|
|
if($result['identifier'] == 'CREATE VIEW')
|
|
self::createVersion($dbname, $result['tablename'], '1', '', true);
|
|
|
|
if($result['identifier'] == 'CREATE DATABASE')
|
|
self::createDatabaseVersion($dbname, '1', $query);
|
|
}
|
|
|
|
// If version exists
|
|
if(self::isTracked($dbname, $result['tablename']) and $version != -1)
|
|
{
|
|
if($result['type'] == 'DDL')
|
|
$save_to = 'schema_sql';
|
|
else if($result['type'] == 'DML')
|
|
$save_to = 'data_sql';
|
|
else
|
|
$save_to = '';
|
|
|
|
$date = date('Y-m-d H:i:s');
|
|
|
|
// Cut off `dbname`. from query
|
|
$query = preg_replace('/`'.$dbname.'`\s?\./', '', $query);
|
|
|
|
// Add log information
|
|
$query = self::getLogComment() . $query ;
|
|
|
|
// Mark it as untouchable
|
|
$sql_query =
|
|
" /*NOTRACK*/\n" .
|
|
" UPDATE " . self::$pma_table .
|
|
" SET " . PMA_backquote($save_to) ." = CONCAT( " . PMA_backquote($save_to) . ",'\n" . PMA_sqlAddslashes($query) . "') ," .
|
|
" " . PMA_backquote('date_updated') . " = '" . $date . "' ";
|
|
|
|
// If table was renamed we have to change the tablename attribute in pma_tracking too
|
|
if($result['identifier'] == 'RENAME TABLE')
|
|
$sql_query .= ', ' . PMA_backquote('table_name') . ' = \'' . PMA_sqlAddslashes($result['tablename_after_rename']) . '\' ';
|
|
|
|
// Save the tracking information only for
|
|
// 1. the database
|
|
// 2. the table / view
|
|
// 3. the statements
|
|
// we want to track
|
|
$sql_query .=
|
|
" WHERE FIND_IN_SET('" . $result['identifier'] . "',tracking) > 0" .
|
|
" AND " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
|
|
" AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($result['tablename']) . "' " .
|
|
" AND " . PMA_backquote('version') . " = '" . PMA_sqlAddslashes($version) . "' ";
|
|
|
|
$result = PMA_query_as_controluser($sql_query);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
?>
|