#35529 [Bgs]: pdo_mysql->rowCount does not work with Select

ID: 35529 Updated by: wez@php.net Reported By: nitinvaishnav at gmail dot com Status: Bogus Bug Type: PDO related Operating System: windows 2000 PHP Version: 5.1.1 New Comment: count($Result) will give you the answer you're looking for. Previous Comments: ------------------------------------------------------------------------ [2005-12-03 19:29:01] nitinvaishnav at gmail dot com thanks for information. but following code also not work properly, the second rowCount also returns 0. $Con = new PDO('mysql:host=localhost;dbname=nitin', 'root', ''); $Res = $Con->query('select * from test', array(PDO_MYSQL_ATTR_USE_UNBUFFERED_QUERY => true)); echo('1. rowCount: ' . $Res->rowCount() . "\n\n"); $Result = $Res->fetchAll(); var_dump($Result); echo('2. rowCount: ' . $Res->rowCount() . "\n\n"); ------------------------------------------------------------------------ [2005-12-03 17:24:22] wez@php.net PDO uses forward-only unbuffered cursors. The row count is not know until all the rows have been retrieved. See http://netevil.org/node.php?nid=703&SC=1#comments for more information. ------------------------------------------------------------------------ [2005-12-03 13:07:40] tony2001@php.net Please try using this CVS snapshot: http://snaps.php.net/php5.1-latest.tar.gz For Windows: http://snaps.php.net/win32/php5.1-win32-latest.zip ------------------------------------------------------------------------ [2005-12-03 08:30:45] nitinvaishnav at gmail dot com I using php 5.1.1 on IIS with mysql 4.1.10a. The test database have 3 rows, the rowCount function returns 0, but foreach dumps 3 records of the table. But the rowCount returns correct result with INSERT, UPDATE and DELETE. ------------------------------------------------------------------------ [2005-12-03 08:29:23] nitinvaishnav at gmail dot com Description: ------------ I using php 5.1.1 on IIS with 4.1.10a. The test database have 3 rows, the rowCount function returns 0, but foreach dumps 3 records of the table. But the rowCount returns correct result with INSERT, UPDATE and DELETE. Reproduce code: --------------- $Con = new PDO('mysql:host=localhost;dbname=nitin', 'root', ''); $Res = $Con->query('select * from test'); echo('rowCount: ' . $Res->rowCount() . "\n\n"); foreach ($Res as $Record) { var_dump($Record); } Expected result: ---------------- rowCount: 3 array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } Actual result: -------------- rowCount: 0 array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } array(2) { ["test_int1"]=> string(1) "1" [0]=> string(1) "1" } ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=35529&edit=1