987 lines
30 KiB
PHP
987 lines
30 KiB
PHP
<?php
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/**
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* Tracking changes on databases, tables and views
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\Plugins\Export\ExportSql;
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use PhpMyAdmin\SqlParser\Parser;
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use PhpMyAdmin\SqlParser\Statements\AlterStatement;
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use PhpMyAdmin\SqlParser\Statements\CreateStatement;
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use PhpMyAdmin\SqlParser\Statements\DeleteStatement;
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use PhpMyAdmin\SqlParser\Statements\DropStatement;
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use PhpMyAdmin\SqlParser\Statements\InsertStatement;
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use PhpMyAdmin\SqlParser\Statements\RenameStatement;
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use PhpMyAdmin\SqlParser\Statements\TruncateStatement;
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use PhpMyAdmin\SqlParser\Statements\UpdateStatement;
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use function array_values;
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use function count;
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use function explode;
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use function is_array;
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use function mb_strpos;
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use function mb_strstr;
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use function mb_substr;
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use function preg_quote;
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use function preg_replace;
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use function rtrim;
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use function serialize;
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use function str_replace;
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use function strtotime;
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use function substr;
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use function trim;
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/**
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* This class tracks changes on databases, tables and views.
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*
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* @todo use stristr instead of strstr
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*/
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class 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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* @var bool
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*/
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protected static $enabled = false;
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/**
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* Cache to avoid quering tracking status multiple times.
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*
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* @var array
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*/
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protected static $trackingCache = [];
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/**
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* Actually enables tracking. This needs to be done after all
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* underlaying code is initialized.
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*
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* @return void
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*
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* @static
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*/
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public static function enable()
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{
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self::$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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* @return bool (true=on|false=off)
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*
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* @static
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*/
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public static function isActive()
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{
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global $dbi;
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if (! self::$enabled) {
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return false;
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}
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/* We need to avoid attempt to track any queries
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* from Relation::getRelationsParam
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*/
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self::$enabled = false;
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$relation = new Relation($dbi);
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$cfgRelation = $relation->getRelationsParam();
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/* Restore original state */
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self::$enabled = true;
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if (! $cfgRelation['trackingwork']) {
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return false;
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}
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$pma_table = self::getTrackingTable();
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return $pma_table !== null;
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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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* @param string $string part of SQL statement
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*
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* @return string the name of table
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*
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* @static
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*/
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protected static function getTableName($string)
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{
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if (mb_strstr($string, '.')) {
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$temp = explode('.', $string);
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$tablename = $temp[1];
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} else {
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$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 = 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 disabled ?
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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*
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* @return bool true or false
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*
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* @static
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*/
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public static function isTracked($dbname, $tablename)
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{
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global $dbi;
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if (! self::$enabled) {
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return false;
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}
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if (isset(self::$trackingCache[$dbname][$tablename])) {
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return self::$trackingCache[$dbname][$tablename];
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}
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/* We need to avoid attempt to track any queries
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* from Relation::getRelationsParam
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*/
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self::$enabled = false;
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$relation = new Relation($dbi);
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$cfgRelation = $relation->getRelationsParam();
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/* Restore original state */
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self::$enabled = true;
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if (! $cfgRelation['trackingwork']) {
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return false;
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}
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$sql_query = ' SELECT tracking_active FROM ' . self::getTrackingTable() .
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" WHERE db_name = '" . $dbi->escapeString($dbname) . "' " .
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" AND table_name = '" . $dbi->escapeString($tablename) . "' " .
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' ORDER BY version DESC LIMIT 1';
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$result = $dbi->fetchValue($sql_query, 0, 0, DatabaseInterface::CONNECT_CONTROL) == 1;
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self::$trackingCache[$dbname][$tablename] = $result;
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return $result;
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}
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/**
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* Returns the comment line for the log.
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*
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* @return string Comment, contains date and username
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*/
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public static function getLogComment()
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{
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$date = Util::date('Y-m-d H:i:s');
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$user = preg_replace('/\s+/', ' ', $GLOBALS['cfg']['Server']['user']);
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return '# log ' . $date . ' ' . $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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* @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 bool $is_view if table is a view
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*
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* @return int result of version insertion
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*
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* @static
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*/
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public static function createVersion(
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$dbname,
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$tablename,
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$version,
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$tracking_set = '',
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bool $is_view = false
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) {
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global $sql_backquotes, $export_type, $dbi;
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$relation = new Relation($dbi);
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if ($tracking_set == '') {
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$tracking_set
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= $GLOBALS['cfg']['Server']['tracking_default_statements'];
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}
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/**
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* get Export SQL instance
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*
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* @var ExportSql $export_sql_plugin
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*/
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$export_sql_plugin = Plugins::getPlugin(
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'export',
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'sql',
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'libraries/classes/Plugins/Export/',
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[
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'export_type' => $export_type,
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'single_table' => false,
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]
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);
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$sql_backquotes = true;
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$date = Util::date('Y-m-d H:i:s');
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// Get data definition snapshot of table
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$columns = $dbi->getColumns($dbname, $tablename, null, true);
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// int indices to reduce size
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$columns = array_values($columns);
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// remove Privileges to reduce size
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for ($i = 0, $nb = count($columns); $i < $nb; $i++) {
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unset($columns[$i]['Privileges']);
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}
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$indexes = $dbi->getTableIndexes($dbname, $tablename);
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$snapshot = [
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'COLUMNS' => $columns,
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'INDEXES' => $indexes,
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];
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$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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$create_sql = '';
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_table'] == true
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&& $is_view === false
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) {
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$create_sql .= self::getLogComment()
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. 'DROP TABLE IF EXISTS ' . Util::backquote($tablename) . ";\n";
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}
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_view'] == true
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&& $is_view === true
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) {
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$create_sql .= self::getLogComment()
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. 'DROP VIEW IF EXISTS ' . Util::backquote($tablename) . ";\n";
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}
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$create_sql .= self::getLogComment() .
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$export_sql_plugin->getTableDef($dbname, $tablename, "\n", '');
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// Save version
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$sql_query = "/*NOTRACK*/\n" .
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'INSERT INTO ' . self::getTrackingTable() . ' (' .
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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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'" . $dbi->escapeString($dbname) . "',
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'" . $dbi->escapeString($tablename) . "',
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'" . $dbi->escapeString($version) . "',
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'" . $dbi->escapeString($date) . "',
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'" . $dbi->escapeString($date) . "',
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'" . $dbi->escapeString($snapshot) . "',
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'" . $dbi->escapeString($create_sql) . "',
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'" . $dbi->escapeString("\n") . "',
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'" . $dbi->escapeString($tracking_set)
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. "' )";
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$result = $relation->queryAsControlUser($sql_query);
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if ($result) {
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// Deactivate previous version
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self::deactivateTracking($dbname, $tablename, (int) $version - 1);
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}
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return $result;
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}
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/**
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* Removes all tracking data for a table or a version of a table
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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 $version version
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*
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* @return int result of version insertion
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*
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* @static
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*/
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public static function deleteTracking($dbname, $tablename, $version = '')
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{
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global $dbi;
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$relation = new Relation($dbi);
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$sql_query = "/*NOTRACK*/\n"
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. 'DELETE FROM ' . self::getTrackingTable()
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. " WHERE `db_name` = '"
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. $dbi->escapeString($dbname) . "'"
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. " AND `table_name` = '"
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. $dbi->escapeString($tablename) . "'";
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if ($version) {
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$sql_query .= " AND `version` = '"
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. $dbi->escapeString($version) . "'";
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}
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return $relation->queryAsControlUser($sql_query);
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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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* @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 $tracking_set set of tracking statements
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*
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* @return int result of version insertion
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*
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* @static
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*/
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public static function createDatabaseVersion(
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$dbname,
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$version,
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$query,
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$tracking_set = 'CREATE DATABASE,ALTER DATABASE,DROP DATABASE'
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) {
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global $dbi;
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$relation = new Relation($dbi);
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$date = Util::date('Y-m-d H:i:s');
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if ($tracking_set == '') {
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$tracking_set
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= $GLOBALS['cfg']['Server']['tracking_default_statements'];
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}
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$create_sql = '';
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_database'] == true) {
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$create_sql .= self::getLogComment()
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. 'DROP DATABASE IF EXISTS ' . Util::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 = "/*NOTRACK*/\n" .
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'INSERT INTO ' . self::getTrackingTable() . ' (' .
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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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'" . $dbi->escapeString($dbname) . "',
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'" . $dbi->escapeString('') . "',
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'" . $dbi->escapeString($version) . "',
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'" . $dbi->escapeString($date) . "',
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'" . $dbi->escapeString($date) . "',
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'" . $dbi->escapeString('') . "',
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'" . $dbi->escapeString($create_sql) . "',
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'" . $dbi->escapeString("\n") . "',
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'" . $dbi->escapeString($tracking_set)
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. "' )";
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return $relation->queryAsControlUser($sql_query);
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}
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/**
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* Changes tracking of a table.
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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 int $new_state the new state of tracking
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*
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* @return int result of SQL query
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*
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* @static
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*/
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private static function changeTracking(
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$dbname,
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$tablename,
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$version,
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$new_state
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) {
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global $dbi;
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$relation = new Relation($dbi);
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$sql_query = ' UPDATE ' . self::getTrackingTable() .
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" SET `tracking_active` = '" . $new_state . "' " .
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" WHERE `db_name` = '" . $dbi->escapeString($dbname) . "' " .
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" AND `table_name` = '" . $dbi->escapeString($tablename) . "' " .
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" AND `version` = '" . $dbi->escapeString((string) $version) . "' ";
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return $relation->queryAsControlUser($sql_query);
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}
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/**
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* Changes tracking data of a table.
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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 $type type of data(DDL || DML)
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* @param string|array $new_data the new tracking data
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*
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* @return bool result of change
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*
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* @static
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*/
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public static function changeTrackingData(
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$dbname,
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$tablename,
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$version,
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$type,
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$new_data
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) {
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global $dbi;
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$relation = new Relation($dbi);
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if ($type === 'DDL') {
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$save_to = 'schema_sql';
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} elseif ($type === 'DML') {
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$save_to = 'data_sql';
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} else {
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return false;
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}
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$date = Util::date('Y-m-d H:i:s');
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$new_data_processed = '';
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if (is_array($new_data)) {
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foreach ($new_data as $data) {
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$new_data_processed .= '# log ' . $date . ' ' . $data['username']
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. $dbi->escapeString($data['statement']) . "\n";
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}
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} else {
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$new_data_processed = $new_data;
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}
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$sql_query = ' UPDATE ' . self::getTrackingTable() .
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' SET `' . $save_to . "` = '" . $new_data_processed . "' " .
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" WHERE `db_name` = '" . $dbi->escapeString($dbname) . "' " .
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" AND `table_name` = '" . $dbi->escapeString($tablename) . "' " .
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" AND `version` = '" . $dbi->escapeString($version) . "' ";
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$result = $relation->queryAsControlUser($sql_query);
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return (bool) $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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* @param string $dbname name of database
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* @param string $tablename name of table
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* @param string $version version
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*
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* @return int result of SQL query
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*
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* @static
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*/
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public static function activateTracking($dbname, $tablename, $version)
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{
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return self::changeTracking($dbname, $tablename, $version, 1);
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}
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/**
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* Deactivates tracking of a table.
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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 $version version
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*
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* @return int result of SQL query
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*
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* @static
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*/
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public static function deactivateTracking($dbname, $tablename, $version)
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{
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return self::changeTracking($dbname, $tablename, $version, 0);
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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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* @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 exists | > 0 if a version exists)
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*
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* @static
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*/
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public static function getVersion(string $dbname, string $tablename, ?string $statement = null)
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{
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/** @var DatabaseInterface $dbi */
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global $dbi;
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$relation = new Relation($dbi);
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$sql_query = ' SELECT MAX(version) FROM ' . self::getTrackingTable() .
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" WHERE `db_name` = '" . $dbi->escapeString($dbname) . "' " .
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" AND `table_name` = '" . $dbi->escapeString($tablename) . "' ";
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if ($statement != '') {
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$sql_query .= " AND FIND_IN_SET('"
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. $statement . "',tracking) > 0";
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}
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$result = $relation->queryAsControlUser($sql_query, false);
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if ($result === false) {
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return -1;
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}
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$row = $dbi->fetchArray($result);
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|
|
return $row[0] ?? -1;
|
|
}
|
|
|
|
/**
|
|
* Gets the record of a tracking job.
|
|
*
|
|
* @param string $dbname name of database
|
|
* @param string $tablename name of table
|
|
* @param string $version version number
|
|
*
|
|
* @return mixed record DDM log, DDL log, structure snapshot, tracked
|
|
* statements.
|
|
*
|
|
* @static
|
|
*/
|
|
public static function getTrackedData($dbname, $tablename, $version)
|
|
{
|
|
global $dbi;
|
|
|
|
$relation = new Relation($dbi);
|
|
|
|
$sql_query = ' SELECT * FROM ' . self::getTrackingTable() .
|
|
" WHERE `db_name` = '" . $dbi->escapeString($dbname) . "' ";
|
|
if (! empty($tablename)) {
|
|
$sql_query .= " AND `table_name` = '"
|
|
. $dbi->escapeString($tablename) . "' ";
|
|
}
|
|
$sql_query .= " AND `version` = '" . $dbi->escapeString($version)
|
|
. "' ORDER BY `version` DESC LIMIT 1";
|
|
|
|
$mixed = $dbi->fetchAssoc($relation->queryAsControlUser($sql_query));
|
|
|
|
// PHP 7.4 fix for accessing array offset on null
|
|
if (! is_array($mixed)) {
|
|
$mixed = [
|
|
'schema_sql' => null,
|
|
'data_sql' => null,
|
|
'tracking' => null,
|
|
'schema_snapshot' => null,
|
|
];
|
|
}
|
|
|
|
// Parse log
|
|
$log_schema_entries = explode('# log ', (string) $mixed['schema_sql']);
|
|
$log_data_entries = explode('# log ', (string) $mixed['data_sql']);
|
|
|
|
$ddl_date_from = $date = Util::date('Y-m-d H:i:s');
|
|
|
|
$ddlog = [];
|
|
$first_iteration = true;
|
|
|
|
// Iterate tracked data definition statements
|
|
// For each log entry we want to get date, username and statement
|
|
foreach ($log_schema_entries as $log_entry) {
|
|
if (trim($log_entry) == '') {
|
|
continue;
|
|
}
|
|
|
|
$date = mb_substr($log_entry, 0, 19);
|
|
$username = mb_substr(
|
|
$log_entry,
|
|
20,
|
|
mb_strpos($log_entry, "\n") - 20
|
|
);
|
|
if ($first_iteration) {
|
|
$ddl_date_from = $date;
|
|
$first_iteration = false;
|
|
}
|
|
$statement = rtrim((string) mb_strstr($log_entry, "\n"));
|
|
|
|
$ddlog[] = [
|
|
'date' => $date,
|
|
'username' => $username,
|
|
'statement' => $statement,
|
|
];
|
|
}
|
|
|
|
$date_from = $ddl_date_from;
|
|
$ddl_date_to = $date;
|
|
|
|
$dml_date_from = $date_from;
|
|
|
|
$dmlog = [];
|
|
$first_iteration = true;
|
|
|
|
// Iterate tracked data manipulation statements
|
|
// For each log entry we want to get date, username and statement
|
|
foreach ($log_data_entries as $log_entry) {
|
|
if (trim($log_entry) == '') {
|
|
continue;
|
|
}
|
|
|
|
$date = mb_substr($log_entry, 0, 19);
|
|
$username = mb_substr(
|
|
$log_entry,
|
|
20,
|
|
mb_strpos($log_entry, "\n") - 20
|
|
);
|
|
if ($first_iteration) {
|
|
$dml_date_from = $date;
|
|
$first_iteration = false;
|
|
}
|
|
$statement = rtrim((string) mb_strstr($log_entry, "\n"));
|
|
|
|
$dmlog[] = [
|
|
'date' => $date,
|
|
'username' => $username,
|
|
'statement' => $statement,
|
|
];
|
|
}
|
|
|
|
$dml_date_to = $date;
|
|
|
|
// Define begin and end of date range for both logs
|
|
$data = [];
|
|
if (strtotime($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
|
|
*
|
|
* @param string $query query
|
|
*
|
|
* @return array containing identifier, type and tablename.
|
|
*
|
|
* @static
|
|
* @todo: using PMA SQL Parser when possible
|
|
* @todo: support multi-table/view drops
|
|
*/
|
|
public static function parseQuery($query): array
|
|
{
|
|
// 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);
|
|
|
|
$parser = new Parser($query);
|
|
|
|
$tokens = $parser->list->tokens;
|
|
|
|
// Parse USE statement, need it for SQL dump imports
|
|
if ($tokens[0]->value === 'USE') {
|
|
$GLOBALS['db'] = $tokens[2]->value;
|
|
}
|
|
|
|
$result = [];
|
|
|
|
if (! empty($parser->statements)) {
|
|
$statement = $parser->statements[0];
|
|
$options = isset($statement->options) ? $statement->options->options : null;
|
|
|
|
/*
|
|
* DDL statements
|
|
*/
|
|
$result['type'] = 'DDL';
|
|
|
|
// Parse CREATE statement
|
|
if ($statement instanceof CreateStatement) {
|
|
if (empty($options) || ! isset($options[6])) {
|
|
return $result;
|
|
}
|
|
|
|
if ($options[6] === 'VIEW' || $options[6] === 'TABLE') {
|
|
$result['identifier'] = 'CREATE ' . $options[6];
|
|
$result['tablename'] = $statement->name !== null ? $statement->name->table : null;
|
|
} elseif ($options[6] === 'DATABASE') {
|
|
$result['identifier'] = 'CREATE DATABASE';
|
|
$result['tablename'] = '';
|
|
|
|
// In case of CREATE DATABASE, database field of the CreateStatement is the name of the database
|
|
$GLOBALS['db'] = $statement->name !== null ? $statement->name->database : null;
|
|
} elseif ($options[6] === 'INDEX'
|
|
|| $options[6] === 'UNIQUE INDEX'
|
|
|| $options[6] === 'FULLTEXT INDEX'
|
|
|| $options[6] === 'SPATIAL INDEX'
|
|
) {
|
|
$result['identifier'] = 'CREATE INDEX';
|
|
|
|
// In case of CREATE INDEX, we have to get the table name from body of the statement
|
|
$result['tablename'] = $statement->body[3]->value === '.' ? $statement->body[4]->value
|
|
: $statement->body[2]->value;
|
|
}
|
|
} elseif ($statement instanceof AlterStatement) { // Parse ALTER statement
|
|
if (empty($options) || ! isset($options[3])) {
|
|
return $result;
|
|
}
|
|
|
|
if ($options[3] === 'VIEW' || $options[3] === 'TABLE') {
|
|
$result['identifier'] = 'ALTER ' . $options[3];
|
|
$result['tablename'] = $statement->table->table;
|
|
} elseif ($options[3] === 'DATABASE') {
|
|
$result['identifier'] = 'ALTER DATABASE';
|
|
$result['tablename'] = '';
|
|
|
|
$GLOBALS['db'] = $statement->table->table;
|
|
}
|
|
} elseif ($statement instanceof DropStatement) { // Parse DROP statement
|
|
if (empty($options) || ! isset($options[1])) {
|
|
return $result;
|
|
}
|
|
|
|
if ($options[1] === 'VIEW' || $options[1] === 'TABLE') {
|
|
$result['identifier'] = 'DROP ' . $options[1];
|
|
$result['tablename'] = $statement->fields[0]->table;
|
|
} elseif ($options[1] === 'DATABASE') {
|
|
$result['identifier'] = 'DROP DATABASE';
|
|
$result['tablename'] = '';
|
|
|
|
$GLOBALS['db'] = $statement->fields[0]->table;
|
|
} elseif ($options[1] === 'INDEX') {
|
|
$result['identifier'] = 'DROP INDEX';
|
|
$result['tablename'] = $statement->table->table;
|
|
}
|
|
} elseif ($statement instanceof RenameStatement) { // Parse RENAME statement
|
|
$result['identifier'] = 'RENAME TABLE';
|
|
$result['tablename'] = $statement->renames[0]->old->table;
|
|
$result['tablename_after_rename'] = $statement->renames[0]->new->table;
|
|
}
|
|
|
|
if (isset($result['identifier'])) {
|
|
return $result;
|
|
}
|
|
|
|
/*
|
|
* DML statements
|
|
*/
|
|
$result['type'] = 'DML';
|
|
|
|
// Parse UPDATE statement
|
|
if ($statement instanceof UpdateStatement) {
|
|
$result['identifier'] = 'UPDATE';
|
|
$result['tablename'] = $statement->tables[0]->table;
|
|
}
|
|
|
|
// Parse INSERT INTO statement
|
|
if ($statement instanceof InsertStatement) {
|
|
$result['identifier'] = 'INSERT';
|
|
$result['tablename'] = $statement->into->dest->table;
|
|
}
|
|
|
|
// Parse DELETE statement
|
|
if ($statement instanceof DeleteStatement) {
|
|
$result['identifier'] = 'DELETE';
|
|
$result['tablename'] = $statement->from[0]->table;
|
|
}
|
|
|
|
// Parse TRUNCATE statement
|
|
if ($statement instanceof TruncateStatement) {
|
|
$result['identifier'] = 'TRUNCATE';
|
|
$result['tablename'] = $statement->table->table;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Analyzes a given SQL statement and saves tracking data.
|
|
*
|
|
* @param string $query a SQL query
|
|
*
|
|
* @return void
|
|
*
|
|
* @static
|
|
*/
|
|
public static function handleQuery($query)
|
|
{
|
|
global $dbi;
|
|
|
|
$relation = new Relation($dbi);
|
|
|
|
// If query is marked as untouchable, leave
|
|
if (mb_strstr($query, '/*NOTRACK*/')) {
|
|
return;
|
|
}
|
|
|
|
if (! (substr($query, -1) === ';')) {
|
|
$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;
|
|
}
|
|
|
|
// If we found a valid statement
|
|
if (! isset($result['identifier'])) {
|
|
return;
|
|
}
|
|
|
|
// The table name was not found, see issue: #16837 as an example
|
|
// Also checks if the value is not null
|
|
if (! isset($result['tablename'])) {
|
|
return;
|
|
}
|
|
|
|
$version = self::getVersion(
|
|
$dbname,
|
|
$result['tablename'],
|
|
$result['identifier']
|
|
);
|
|
|
|
// If version not exists and auto-creation is enabled
|
|
if ($GLOBALS['cfg']['Server']['tracking_version_auto_create'] == true
|
|
&& $version == -1
|
|
) {
|
|
// Create the version
|
|
|
|
switch ($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', $query);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If version exists
|
|
if ($version == -1) {
|
|
return;
|
|
}
|
|
|
|
if (! self::isTracked($dbname, $result['tablename'])) {
|
|
return;
|
|
}
|
|
|
|
if ($result['type'] === 'DDL') {
|
|
$save_to = 'schema_sql';
|
|
} elseif ($result['type'] === 'DML') {
|
|
$save_to = 'data_sql';
|
|
} else {
|
|
$save_to = '';
|
|
}
|
|
$date = Util::date('Y-m-d H:i:s');
|
|
|
|
// Cut off `dbname`. from query
|
|
$query = preg_replace(
|
|
'/`' . preg_quote($dbname, '/') . '`\s?\./',
|
|
'',
|
|
$query
|
|
);
|
|
|
|
// Add log information
|
|
$query = self::getLogComment() . $query;
|
|
|
|
// Mark it as untouchable
|
|
$sql_query = " /*NOTRACK*/\n"
|
|
. ' UPDATE ' . self::getTrackingTable()
|
|
. ' SET ' . Util::backquote($save_to)
|
|
. ' = CONCAT( ' . Util::backquote($save_to) . ",'\n"
|
|
. $dbi->escapeString($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` = \''
|
|
. $dbi->escapeString($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` = '" . $dbi->escapeString($dbname ?? '') . "' " .
|
|
" AND `table_name` = '"
|
|
. $dbi->escapeString($result['tablename']) . "' " .
|
|
" AND `version` = '" . $dbi->escapeString($version ?? '') . "' ";
|
|
|
|
$relation->queryAsControlUser($sql_query);
|
|
}
|
|
|
|
/**
|
|
* Returns the tracking table
|
|
*
|
|
* @return string tracking table
|
|
*/
|
|
private static function getTrackingTable()
|
|
{
|
|
global $dbi;
|
|
|
|
$relation = new Relation($dbi);
|
|
$cfgRelation = $relation->getRelationsParam();
|
|
|
|
return Util::backquote($cfgRelation['db'])
|
|
. '.' . Util::backquote($cfgRelation['tracking']);
|
|
}
|
|
}
|