update Piwik to version 2.16 (fixes #91)

www/analytics/core/DbHelper.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Piwik - Open source web analytics
+ * Piwik - free/libre analytics platform
  *
  * @link http://piwik.org
  * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
@@ -9,8 +9,8 @@
 namespace Piwik;
 
 use Exception;
-use Piwik\Db\Adapter;
 use Piwik\Db\Schema;
+use Piwik\DataAccess\ArchiveTableCreator;
 
 /**
  * Contains database related helper functions.
@@ -28,6 +28,18 @@ class DbHelper
         return Schema::getInstance()->getTablesInstalled($forceReload);
     }
 
+    /**
+     * Get list of installed columns in a table
+     *
+     * @param  string $tableName The name of a table.
+     *
+     * @return array  Installed columns indexed by the column name.
+     */
+    public static function getTableColumns($tableName)
+    {
+        return Schema::getInstance()->getTableColumns($tableName);
+    }
+
     /**
      * Creates a new table in the database.
      *
@@ -153,7 +165,7 @@ class DbHelper
     /**
      * Get the SQL to create a specific Piwik table
      *
-     * @param string $tableName
+     * @param string $tableName Unprefixed table name.
      * @return string  SQL
      */
     public static function getTableCreateSql($tableName)
@@ -161,4 +173,17 @@ class DbHelper
         return Schema::getInstance()->getTableCreateSql($tableName);
     }
 
+    /**
+     * Deletes archive tables. For use in tests.
+     */
+    public static function deleteArchiveTables()
+    {
+        foreach (ArchiveTableCreator::getTablesArchivesInstalled() as $table) {
+            Log::debug("Dropping table $table");
+
+            Db::query("DROP TABLE IF EXISTS `$table`");
+        }
+
+        ArchiveTableCreator::refreshTableList($forceReload = true);
+    }
 }