From:             maesa at email dot it
Operating system: Windows XP SP2
PHP version:      5.1.0RC1
PHP Bug Type:     PDO related
Bug description:  pdo::exec fails when executing sequential 'OPTIMIZE TABLE' 
queries

Description:
------------
A pdo::exec call fails when i try to execute sequential query ( 'OPTIMIZE
TABLE' queries )

Reproduce code:
---------------
$dsn = 'mysql:dbname=my_database;host=localhost';
$user = 'root';
$password = '';

try {
   $dbh = new PDO($dsn, $user, $password);
} catch (PDOException $e) {
   echo 'Connection failed: ' . $e->getMessage();
}

$dbh->exec( 'OPTIMIZE TABLE my_table' );
print_r($dbh->errorInfo());

$dbh->exec( 'OPTIMIZE TABLE my_table_1' );
print_r($dbh->errorInfo());

Expected result:
----------------
I expected that the second call to $dbh->exec will be successful as the
first one, but the second fails.

Actual result:
--------------
Printing the array returned from $dbh->errorInfo() i obtain for the first
call to pdo::exec 

Array
(
    [0] => 00000
)

but for the second call


Array
(
    [0] => HY000
    [1] => 2014
    [2] => Cannot execute queries while other unbuffered queries are
active.  Consider using PDOStatement::fetchAll().  Alternatively, if your
code is only ever going to run against mysql, you may enable query
buffering by setting the PDO_MYSQL_ATTR_USE_BUFFERED_QUERY attribute.
)

-- 
Edit bug report at http://bugs.php.net/?id=34499&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=34499&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=34499&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=34499&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=34499&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=34499&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=34499&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=34499&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=34499&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=34499&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=34499&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=34499&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=34499&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=34499&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=34499&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=34499&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=34499&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=34499&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=34499&r=float
No Zend Extensions:          http://bugs.php.net/fix.php?id=34499&r=nozend
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=34499&r=mysqlcfg

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