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-rw-r--r--libraries/Tracker.class.php949
1 files changed, 0 insertions, 949 deletions
diff --git a/libraries/Tracker.class.php b/libraries/Tracker.class.php
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--- a/libraries/Tracker.class.php
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-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-/**
- *
- * @author Alexander Rutkowski
- * @version $Id$
- * @package phpMyAdmin
- */
-
-/**
- * Gets relation settings
- */
-require_once './libraries/relation.lib.php';
-
-/**
- * This class tracks changes on databases, tables and views.
- * For more information please see phpMyAdmin/Documentation.html
- *
- * @author Alexander Rutkowski <alexander.rutkowski@googlemail.com>
- * @package phpMyAdmin
- *
- * @todo use stristr instead of strstr
- */
-class PMA_Tracker
-{
- /**
- * Whether tracking is ready.
- */
- static protected $enabled = false;
-
- /**
- * Defines the internal PMA table which contains tracking data.
- *
- * @access protected
- * @var string
- */
- static protected $pma_table;
-
- /**
- * Defines the usage of DROP TABLE statment in SQL dumps.
- *
- * @access protected
- * @var boolean
- */
- static protected $add_drop_table;
-
- /**
- * Defines the usage of DROP VIEW statment in SQL dumps.
- *
- * @access protected
- * @var boolean
- */
- static protected $add_drop_view;
-
- /**
- * Defines the usage of DROP DATABASE statment in SQL dumps.
- *
- * @access protected
- * @var boolean
- */
- static protected $add_drop_database;
-
- /**
- * Defines auto-creation of tracking versions.
- *
- * @var boolean
- */
- static protected $version_auto_create;
-
- /**
- * Defines the default set of tracked statements.
- *
- * @var string
- */
- static protected $default_tracking_set;
-
- /**
- * Initializes settings. See phpMyAdmin/Documentation.html.
- *
- * @static
- *
- */
- static public function init()
- {
- self::$pma_table = PMA_backquote($GLOBALS['cfg']['Server']['pmadb']) .".".
- PMA_backquote($GLOBALS['cfg']['Server']['tracking']);
-
- self::$add_drop_table = $GLOBALS['cfg']['Server']['tracking_add_drop_table'];
-
- self::$add_drop_view = $GLOBALS['cfg']['Server']['tracking_add_drop_view'];
-
- self::$add_drop_database = $GLOBALS['cfg']['Server']['tracking_add_drop_database'];
-
- self::$default_tracking_set = $GLOBALS['cfg']['Server']['tracking_default_statements'];
-
- self::$version_auto_create = $GLOBALS['cfg']['Server']['tracking_version_auto_create'];
-
- }
-
- /**
- * Actually enables tracking. This needs to be done after all
- * underlaying code is initialized.
- *
- * @static
- *
- */
- static public function enable()
- {
- self::$enabled = true;
- }
-
- /**
- * Gets the on/off value of the Tracker module, starts initialization.
- *
- * @static
- *
- * @return boolean (true=on|false=off)
- */
- static public function isActive()
- {
- if (! self::$enabled) {
- return false;
- }
- /* We need to avoid attempt to track any queries from PMA_getRelationsParam */
- self::$enabled = false;
- $cfgRelation = PMA_getRelationsParam();
- /* Restore original state */
- self::$enabled = true;
- if (! $cfgRelation['trackingwork']) {
- return false;
- }
- self::init();
-
- if (isset(self::$pma_table)) {
- return true;
- } else {
- return false;
- }
- }
-
- /**
- * Returns a simple DROP TABLE statement.
- *
- * @param string $tablename
- * @return string
- */
- static public function getStatementDropTable($tablename)
- {
- return 'DROP TABLE IF EXISTS ' . $tablename;
- }
-
- /**
- * Returns a simple DROP VIEW statement.
- *
- * @param string $viewname
- * @return string
- */
- static public function getStatementDropView($viewname)
- {
- return 'DROP VIEW IF EXISTS ' . $viewname;
- }
-
- /**
- * Returns a simple DROP DATABASE statement.
- *
- * @param string $dbname
- * @return string
- */
- static public function getStatementDropDatabase($dbname)
- {
- return 'DROP DATABASE IF EXISTS ' . $dbname;
- }
-
- /**
- * Parses the name of a table from a SQL statement substring.
- *
- * @static
- *
- * @param string $string part of SQL statement
- *
- * @return string the name of table
- */
- static protected function getTableName($string)
- {
- if (strstr($string, '.')) {
- $temp = explode('.', $string);
- $tablename = $temp[1];
- }
- else {
- $tablename = $string;
- }
-
- $str = explode("\n", $tablename);
- $tablename = $str[0];
-
- $tablename = str_replace(';', '', $tablename);
- $tablename = str_replace('`', '', $tablename);
- $tablename = trim($tablename);
-
- return $tablename;
- }
-
-
- /**
- * Gets the tracking status of a table, is it active or deactive ?
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- *
- * @return boolean true or false
- */
- static public function isTracked($dbname, $tablename)
- {
- if (! self::$enabled) {
- return false;
- }
- /* We need to avoid attempt to track any queries from PMA_getRelationsParam */
- self::$enabled = false;
- $cfgRelation = PMA_getRelationsParam();
- /* Restore original state */
- self::$enabled = true;
- if (! $cfgRelation['trackingwork']) {
- return false;
- }
-
- $sql_query =
- " SELECT tracking_active FROM " . self::$pma_table .
- " WHERE " . PMA_backquote('db_name') . " = '" . PMA_sqlAddslashes($dbname) . "' " .
- " AND " . PMA_backquote('table_name') . " = '" . PMA_sqlAddslashes($tablename) . "' " .
- " ORDER BY version DESC";
-
- $row = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
-
- if (isset($row['tracking_active']) && $row['tracking_active'] == 1) {
- return true;
- } else {
- return false;
- }
- }
-
- /**
- * Returns the comment line for the log.
- *
- * @return string Comment, contains date and username
- */
- static public function getLogComment()
- {
- $date = date('Y-m-d H:i:s');
-
- return "# log " . $date . " " . $GLOBALS['cfg']['Server']['user'] . "\n";
- }
-
- /**
- * Creates tracking version of a table / view
- * (in other words: create a job to track future changes on the table).
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $version version
- * @param string $tracking_set set of tracking statements
- * @param string $is_view if table is a view
- *
- * @return int result of version insertion
- */
- static public function createVersion($dbname, $tablename, $version, $tracking_set = '', $is_view = false)
- {
- global $sql_backquotes;
-
- if ($tracking_set == '') {
- $tracking_set = self::$default_tracking_set;
- }
-
- require_once './libraries/export/sql.php';
-
- $sql_backquotes = true;
-
- $date = date('Y-m-d H:i:s');
-
- // Get data definition snapshot of table
- $sql_query = '
- SHOW FULL COLUMNS FROM ' . PMA_backquote($dbname) . '.' . PMA_backquote($tablename);
-
- $sql_result = PMA_DBI_query($sql_query);
-
- while ($row = PMA_DBI_fetch_array($sql_result)) {
- $columns[] = $row;
- }
-
- $sql_query = '
- SHOW INDEX FROM ' . PMA_backquote($dbname) . '.' . PMA_backquote($tablename);
-
- $sql_result = PMA_DBI_query($sql_query);
-
- $indexes = array();
-
- while($row = PMA_DBI_fetch_array($sql_result)) {
- $indexes[] = $row;
- }
-
- $snapshot = array('COLUMNS' => $columns, 'INDEXES' => $indexes);
- $snapshot = serialize($snapshot);
-
- // Get DROP TABLE / DROP VIEW and CREATE TABLE SQL statements
- $sql_backquotes = true;
-
- $create_sql = "";
-
- if (self::$add_drop_table == true && $is_view == false) {
- $create_sql .= self::getLogComment() .
- self::getStatementDropTable(PMA_backquote($tablename)) . ";\n";
-
- }
-
- if (self::$add_drop_view == true && $is_view == true) {
- $create_sql .= self::getLogComment() .
- self::getStatementDropView(PMA_backquote($tablename)) . ";\n";
- }
-
- $create_sql .= self::getLogComment() .
- PMA_getTableDef($dbname, $tablename, "\n", "");
-
- // Save version
-
- $sql_query =
- "/*NOTRACK*/\n" .
- "INSERT INTO" . self::$pma_table . " (" .
- "db_name, " .
- "table_name, " .
- "version, " .
- "date_created, " .
- "date_updated, " .
- "schema_snapshot, " .
- "schema_sql, " .
- "data_sql, " .
- "tracking " .
- ") " .
- "values (
- '" . PMA_sqlAddslashes($dbname) . "',
- '" . PMA_sqlAddslashes($tablename) . "',
- '" . PMA_sqlAddslashes($version) . "',
- '" . PMA_sqlAddslashes($date) . "',
- '" . PMA_sqlAddslashes($date) . "',
- '" . PMA_sqlAddslashes($snapshot) . "',
- '" . PMA_sqlAddslashes($create_sql) . "',
- '" . PMA_sqlAddslashes("\n") . "',
- '" . PMA_sqlAddslashes($tracking_set) . "' )";
-
- $result = PMA_query_as_controluser($sql_query);
-
- if ($result) {
- // Deactivate previous version
- self::deactivateTracking($dbname, $tablename, ($version - 1));
- }
-
- return $result;
- }
-
-
- /**
- * Removes all tracking data for a table
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- *
- * @return int result of version insertion
- */
- static public function deleteTracking($dbname, $tablename)
- {
- $sql_query =
- "/*NOTRACK*/\n" .
- "DELETE FROM " . self::$pma_table . " WHERE `db_name` = '" . PMA_sqlAddslashes($dbname) . "' AND `table_name` = '" . PMA_sqlAddslashes($tablename) . "'";
- $result = PMA_query_as_controluser($sql_query);
-
- return $result;
- }
-
- /**
- * Creates tracking version of a database
- * (in other words: create a job to track future changes on the database).
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $version version
- * @param string $query query
- * @param string $tracking_set set of tracking statements
- *
- * @return int result of version insertion
- */
- static public function createDatabaseVersion($dbname, $version, $query, $tracking_set = 'CREATE DATABASE,ALTER DATABASE,DROP DATABASE')
- {
- global $sql_backquotes;
-
- $date = date('Y-m-d H:i:s');
-
- if ($tracking_set == '') {
- $tracking_set = self::$default_tracking_set;
- }
-
- require_once './libraries/export/sql.php';
-
- $create_sql = "";
-
- if (self::$add_drop_database == true) {
- $create_sql .= self::getLogComment() .
- self::getStatementDropDatabase(PMA_backquote($dbname)) . ";\n";
- }
-
- $create_sql .= self::getLogComment() . $query;
-
- // Save version
- $sql_query =
- "/*NOTRACK*/\n" .
- "INSERT INTO" . self::$pma_table . " (" .
- "db_name, " .
- "table_name, " .
- "version, " .
- "date_created, " .
- "date_updated, " .
- "schema_snapshot, " .
- "schema_sql, " .
- "data_sql, " .
- "tracking " .
- ") " .
- "values (
- '" . PMA_sqlAddslashes($dbname) . "',
- '" . PMA_sqlAddslashes('') . "',
- '" . PMA_sqlAddslashes($version) . "',
- '" . PMA_sqlAddslashes($date) . "',
- '" . PMA_sqlAddslashes($date) . "',
- '" . PMA_sqlAddslashes('') . "',
- '" . PMA_sqlAddslashes($create_sql) . "',
- '" . PMA_sqlAddslashes("\n") . "',
- '" . PMA_sqlAddslashes($tracking_set) . "' )";
-
- $result = PMA_query_as_controluser($sql_query);
-
- return $result;
- }
-
-
-
- /**
- * Changes tracking of a table.
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $version version
- * @param integer $new_state the new state of tracking
- *
- * @return int result of SQL query
- */
- static private function changeTracking($dbname, $tablename, $version, $new_state)
- {
- $sql_query =
- " UPDATE " . self::$pma_table .
- " SET `tracking_active` = '" . $new_state . "' " .
- " WHERE `db_name` = '" . PMA_sqlAddslashes($dbname) . "' " .
- " AND `table_name` = '" . PMA_sqlAddslashes($tablename) . "' " .
- " AND `version` = '" . PMA_sqlAddslashes($version) . "' ";
-
- $result = PMA_query_as_controluser($sql_query);
-
- return $result;
- }
-
- /**
- * Activates tracking of a table.
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $version version
- *
- * @return int result of SQL query
- */
- static public function activateTracking($dbname, $tablename, $version)
- {
- return self::changeTracking($dbname, $tablename, $version, 1);
- }
-
-
- /**
- * Deactivates tracking of a table.
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $version version
- *
- * @return int result of SQL query
- */
- static public function deactivateTracking($dbname, $tablename, $version)
- {
- return self::changeTracking($dbname, $tablename, $version, 0);
- }
-
-
- /**
- * Gets the newest version of a tracking job
- * (in other words: gets the HEAD version).
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $statement tracked statement
- *
- * @return int (-1 if no version exists | > 0 if a version exists)
- */
- static public function getVersion($dbname, $tablename, $statement = null)
- {
- $sql_query =
- " SELECT MAX(version) FROM " . self::$pma_table .
- " WHERE `db_name` = '" . PMA_sqlAddslashes($dbname) . "' " .
- " AND `table_name` = '" . PMA_sqlAddslashes($tablename) . "' ";
-
- if ($statement != "") {
- $sql_query .= " AND FIND_IN_SET('" . $statement . "',tracking) > 0" ;
- }
- $row = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
- if (isset($row[0])) {
- $version = $row[0];
- }
- if (! isset($version)) {
- $version = -1;
- }
- return $version;
- }
-
-
- /**
- * Gets the record of a tracking job.
- *
- * @static
- *
- * @param string $dbname name of database
- * @param string $tablename name of table
- * @param string $version version number
- *
- * @return mixed record DDM log, DDL log, structure snapshot, tracked statements.
- */
- static public function getTrackedData($dbname, $tablename, $version)
- {
- if (! isset(self::$pma_table)) {
- self::init();
- }
- $sql_query = " SELECT * FROM " . self::$pma_table .
- " WHERE `db_name` = '" . PMA_sqlAddslashes($dbname) . "' ";
- if (! empty($tablename)) {
- $sql_query .= " AND `table_name` = '" . PMA_sqlAddslashes($tablename) ."' ";
- }
- $sql_query .= " AND `version` = '" . PMA_sqlAddslashes($version) ."' ".
- " ORDER BY `version` DESC ";
-
- $mixed = PMA_DBI_fetch_array(PMA_query_as_controluser($sql_query));
-
- // Parse log
- $log_schema_entries = explode('# log ', $mixed['schema_sql']);
- $log_data_entries = explode('# log ', $mixed['data_sql']);
-
- $ddl_date_from = $date = date('Y-m-d H:i:s');
-
- $ddlog = array();
- $i = 0;
-
- // Iterate tracked data definition statements
- // For each log entry we want to get date, username and statement
- foreach ($log_schema_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) {
- $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 &&
- in_array('VIEW', $tokens) == true &&
- 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 &&
- in_array('VIEW', $tokens) == true &&
- in_array('AS', $tokens) == true &&
- ! isset($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']) && 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($result['identifier']) && substr($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($result['identifier']) && substr($query, 0, 14) == 'ALTER DATABASE') {
- $result['identifier'] = 'ALTER DATABASE';
- $result['tablename'] = '';
- }
-
- // Parse DROP DATABASE statement
- if (! isset($result['identifier']) && 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']) && 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($result['identifier']) && substr($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($result['identifier']) && substr($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($result['identifier']) &&
- ( substr($query, 0, 12) == 'CREATE INDEX' ||
- substr($query, 0, 19) == 'CREATE UNIQUE INDEX' ||
- substr($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($result['identifier']) && substr($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($result['identifier']) && substr($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']) && 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($result['identifier']) && substr($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($result['identifier']) && substr($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($result['identifier']) && substr($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($query, "/*NOTRACK*/")) {
- return false;
- }
-
- if (! (substr($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
- && self::isTracked($dbname, $result['tablename']) == false
- && $version == -1) {
- // Create the version
-
- switch ($result['identifier']) {
- case 'CREATE TABLE':
- self::createVersion($dbname, $result['tablename'], '1');
- break;
- case 'CREATE VIEW':
- self::createVersion($dbname, $result['tablename'], '1', '', true);
- break;
- case 'CREATE DATABASE':
- self::createDatabaseVersion($dbname, '1', $query);
- break;
- } // end switch
- }
-
- // If version exists
- if (self::isTracked($dbname, $result['tablename']) && $version != -1) {
- if ($result['type'] == 'DDL') {
- $save_to = 'schema_sql';
- } elseif ($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) . "') ," .
- " `date_updated` = '" . $date . "' ";
-
- // If table was renamed we have to change the tablename attribute in pma_tracking too
- if ($result['identifier'] == 'RENAME TABLE') {
- $sql_query .= ', `table_name` = \'' . PMA_sqlAddslashes($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('" . $result['identifier'] . "',tracking) > 0" .
- " AND `db_name` = '" . PMA_sqlAddslashes($dbname) . "' " .
- " AND `table_name` = '" . PMA_sqlAddslashes($result['tablename']) . "' " .
- " AND `version` = '" . PMA_sqlAddslashes($version) . "' ";
-
- $result = PMA_query_as_controluser($sql_query);
- }
- }
- }
-}
-?>