Move methods that return SQL into the SQLDialectTrait.

The dialects should be responsible for all SQL snippets. This should
help consolidate platform differences into once place.

lib/Cake/Model/Datasource/Database/Driver.php

@@ -97,35 +97,6 @@ public function supportsSavePoints() {
 		return true;
 	}
 
-/**
- * Returns a SQL snippet for creating a new transaction savepoint
- *
- * @param string save point name
- * @return string
- **/
-	public function savePointSQL($name) {
-		return 'SAVEPOINT LEVEL' . $name;
-	}
-
-/**
- * Returns a SQL snippet for releasing a previously created save point
- *
- * @param string save point name
- * @return string
- **/
-	public function releaseSavePointSQL($name) {
-		return 'RELEASE SAVEPOINT LEVEL' . $name;
-	}
-
-/**
- * Returns a SQL snippet for rollbacking a previously created save point
- *
- * @param string save point name
- * @return string
- **/
-	public function rollbackSavePointSQL($name) {
-		return 'ROLLBACK TO SAVEPOINT LEVEL' . $name;
-	}
 
 /**
  * Returns a value in a safe representation to be used in a query string

lib/Cake/Model/Datasource/Database/SqlDialectTrait.php

@@ -160,4 +160,34 @@ protected function _insertQueryTranslator($query) {
 		return $query;
 	}
 
+/**
+ * Returns a SQL snippet for creating a new transaction savepoint
+ *
+ * @param string save point name
+ * @return string
+ */
+	public function savePointSQL($name) {
+		return 'SAVEPOINT LEVEL' . $name;
+	}
+
+/**
+ * Returns a SQL snippet for releasing a previously created save point
+ *
+ * @param string save point name
+ * @return string
+ */
+	public function releaseSavePointSQL($name) {
+		return 'RELEASE SAVEPOINT LEVEL' . $name;
+	}
+
+/**
+ * Returns a SQL snippet for rollbacking a previously created save point
+ *
+ * @param string save point name
+ * @return string
+ */
+	public function rollbackSavePointSQL($name) {
+		return 'ROLLBACK TO SAVEPOINT LEVEL' . $name;
+	}
+
 }