renaming PDO_MYSQL -> PDO\MYSQL for consistency

config/global.ini.php

@@ -18,7 +18,7 @@ password =
 dbname =
 tables_prefix =
 port = 3306
-adapter = PDO_MYSQL
+adapter = PDO\MYSQL
 type = InnoDB
 schema = Mysql
 
@@ -34,7 +34,7 @@ password =
 dbname = piwik_tests
 tables_prefix = piwiktests_
 port = 3306
-adapter = PDO_MYSQL
+adapter = PDO\MYSQL
 type = InnoDB
 schema = Mysql
 

core/Db.php

@@ -76,7 +76,7 @@ class Db
          *                                       database.
          *                        - **dbname**: The name of the Piwik MySQL database.
          *                        - **port**: The MySQL database port to use.
-         *                        - **adapter**: either `'PDO_MYSQL'` or `'MYSQLI'`
+         *                        - **adapter**: either `'PDO\MYSQL'` or `'MYSQLI'`
          *                        - **type**: The MySQL engine to use, for instance 'InnoDB'
          */
         Piwik::postEvent('Db.getDatabaseConfig', array(&$dbConfig));

core/Db/BatchInsert.php

@@ -168,7 +168,7 @@ class BatchInsert
 
         /*
 		 * Second attempt: using the LOCAL keyword means the client reads the file and sends it to the server;
-		 * the LOCAL keyword may trigger a known PHP PDO_MYSQL bug when MySQL not built with --enable-local-infile
+		 * the LOCAL keyword may trigger a known PHP PDO\MYSQL bug when MySQL not built with --enable-local-infile
 		 * @see http://bugs.php.net/bug.php?id=54158
 		 */
         $openBaseDir = ini_get('open_basedir');

core/Db/Schema.php

@@ -77,7 +77,7 @@ class Schema extends Singleton
 
         $adapterName = strtoupper($adapterName);
         switch ($adapterName) {
-            case 'PDO_MYSQL':
+            case 'PDO\MYSQL':
             case 'MYSQLI':
                 $adapterName = 'MYSQL';
                 break;

core/Tracker.php

@@ -556,7 +556,7 @@ class Tracker
          *                                       database.
          *                       - **dbname**: The name of the Piwik MySQL database.
          *                       - **port**: The MySQL database port to use.
-         *                       - **adapter**: either `'PDO_MYSQL'` or `'MYSQLI'`
+         *                       - **adapter**: either `'PDO\MYSQL'` or `'MYSQLI'`
          *                       - **type**: The MySQL engine to use, for instance 'InnoDB'
          */
         Piwik::postEvent('Tracker.getDatabaseConfig', array(&$configDb));