EllisLab/CodeIgniter — pull request #1595 by webdevelopersdiary (2012-07-08 22:45:11+00:00)
Title: 2.1 stable

fixed system/database/drivers/pdo/pdo_result.php to return correct num_rows() in all situations and in a way consistent with CI_DB_pdo_driver::_execute() (system/database/drivers/pdo/pdo_driver.php)

Signed-off-by: webdevelopersdiary