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msd2/tracking/piwik/plugins/DBStats/MySQLMetadataDataAccess.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\DBStats;
+
+use Exception;
+use Piwik\Config;
+use Piwik\Db;
+
+/**
+ * Data Access Object that serves MySQL stats.
+ */
+class MySQLMetadataDataAccess
+{
+    public function getDBStatus()
+    {
+        if (function_exists('mysql_connect')) {
+            $configDb = Config::getInstance()->database;
+            $link = mysql_connect($configDb['host'], $configDb['username'], $configDb['password']);
+            $status = mysql_stat($link);
+            mysql_close($link);
+            $status = explode("  ", $status);
+        } else {
+            $fullStatus = Db::fetchAssoc('SHOW STATUS');
+            if (empty($fullStatus)) {
+                throw new Exception('Error, SHOW STATUS failed');
+            }
+
+            $status = array(
+                'Uptime'                 => $fullStatus['Uptime']['Value'],
+                'Threads'                => $fullStatus['Threads_running']['Value'],
+                'Questions'              => $fullStatus['Questions']['Value'],
+                'Slow queries'           => $fullStatus['Slow_queries']['Value'],
+                'Flush tables'           => $fullStatus['Flush_commands']['Value'],
+                'Open tables'            => $fullStatus['Open_tables']['Value'],
+                'Opens'                  => 'unavailable', // not available via SHOW STATUS
+                'Queries per second avg' => 'unavailable' // not available via SHOW STATUS
+            );
+        }
+
+        return $status;
+    }
+
+    public function getTableStatus($tableName)
+    {
+        return Db::fetchRow("SHOW TABLE STATUS LIKE ?", array($tableName));
+    }
+
+    public function getAllTablesStatus()
+    {
+        return Db::fetchAll("SHOW TABLE STATUS");
+    }
+
+    public function getRowCountsByArchiveName($tableName, $extraCols)
+    {
+        // otherwise, create data table & cache it
+        $sql = "SELECT name as 'label', COUNT(*) as 'row_count'$extraCols FROM $tableName GROUP BY name";
+        return Db::fetchAll($sql);
+    }
+
+    public function getColumnsFromTable($tableName)
+    {
+        return Db::fetchAll("SHOW COLUMNS FROM " . $tableName);
+    }
+}