Group database connection and schema function

lib/db.php

@@ -285,6 +285,33 @@ class OC_DB {
 		return self::$connection->lastInsertId($table);
 	}
 
+	/**
+	 * @brief Insert a row if a matching row doesn't exists.
+	 * @param string $table. The table to insert into in the form '*PREFIX*tableName'
+	 * @param array $input. An array of fieldname/value pairs
+	 * @returns int number of updated rows
+	 */
+	public static function insertIfNotExist($table, $input) {
+		self::connect();
+		return self::$connection->insertIfNotExist($table, $input);
+	}
+
+	/**
+	 * Start a transaction
+	 */
+	public static function beginTransaction() {
+		self::connect();
+		self::$connection->beginTransaction();
+	}
+
+	/**
+	 * Commit the database changes done during a transaction that is in progress
+	 */
+	public static function commit() {
+		self::connect();
+		self::$connection->commit();
+	}
+
 	/**
 	 * @brief Disconnect
 	 *
@@ -340,17 +367,6 @@ class OC_DB {
 		return $result;
 	}
 
-	/**
-	 * @brief Insert a row if a matching row doesn't exists.
-	 * @param string $table. The table to insert into in the form '*PREFIX*tableName'
-	 * @param array $input. An array of fieldname/value pairs
-	 * @returns int number of updated rows
-	 */
-	public static function insertIfNotExist($table, $input) {
-		self::connect();
-		return self::$connection->insertIfNotExist($table, $input);
-	}
-
 	/**
 	 * @brief drop a table
 	 * @param string $tableName the table to drop
@@ -378,22 +394,6 @@ class OC_DB {
 		OC_DB_Schema::replaceDB(self::$connection, $file);
 	}
 
-	/**
-	 * Start a transaction
-	 */
-	public static function beginTransaction() {
-		self::connect();
-		self::$connection->beginTransaction();
-	}
-
-	/**
-	 * Commit the database changes done during a transaction that is in progress
-	 */
-	public static function commit() {
-		self::connect();
-		self::$connection->commit();
-	}
-
 	/**
 	 * check if a result is an error, works with Doctrine
 	 * @param mixed $result