add piwik installation

www/analytics/core/Updates/0.5.5.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Updates;
+
+use Piwik\Common;
+use Piwik\DbHelper;
+use Piwik\Updater;
+use Piwik\Updates;
+
+/**
+ */
+class Updates_0_5_5 extends Updates
+{
+    static function getSql()
+    {
+        $sqlarray = array(
+            'DROP INDEX index_idsite_date ON ' . Common::prefixTable('log_visit')                                                                => '1091',
+            'CREATE INDEX index_idsite_date_config ON ' . Common::prefixTable('log_visit') . ' (idsite, visit_server_date, config_md5config(8))' => '1061',
+        );
+
+        $tables = DbHelper::getTablesInstalled();
+        foreach ($tables as $tableName) {
+            if (preg_match('/archive_/', $tableName) == 1) {
+                $sqlarray['DROP INDEX index_all ON ' . $tableName] = '1091';
+            }
+            if (preg_match('/archive_numeric_/', $tableName) == 1) {
+                $sqlarray['CREATE INDEX index_idsite_dates_period ON ' . $tableName . ' (idsite, date1, date2, period)'] = '1061';
+            }
+        }
+
+        return $sqlarray;
+    }
+
+    static function update()
+    {
+        Updater::updateDatabase(__FILE__, self::getSql());
+
+    }
+}