Bringing the SQlserver datasource up to date, fixing a doc block

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

@@ -767,9 +767,12 @@ class Sqlserver extends DboSource {
 			}
 			return true;
 		} catch (PDOException $e) {
-			$this->_results = null;
-			$this->error = $e->getMessage();
-			return false;
+			if (isset($query->queryString)) {
+				$e->queryString = $query->queryString;
+			} else {
+				$e->queryString = $sql;
+			}
+			throw $e;
 		}
 	}
 

lib/Cake/Model/Datasource/DboSource.php

@@ -417,7 +417,7 @@ class DboSource extends DataSource {
  * @param string $sql SQL statement
  * @param array $params list of params to be bound to query
  * @param array $prepareOptions Options to be used in the prepare statement
- * @return mixed PDOStatement if query executes with no problem, true as the result of a succesfull, false on error
+ * @return mixed PDOStatement if query executes with no problem, true as the result of a successful, false on error
  * query returning no rows, suchs as a CREATE statement, false otherwise
  */
 	protected function _execute($sql, $params = array(), $prepareOptions = array()) {