/**
* @see Connection::connect()
*/
public function connect($dsninfo, $flags = 0)
{
if (!function_exists('odbc_connect')) {
throw new SQLException('odbc extension not loaded');
}
$adapterclass = isset($dsninfo['adapter']) ? $dsninfo['adapter'] : null;
if (!$adapterclass) {
$adapterclass = 'ODBCAdapter';
} else {
$adapterclass .= 'Adapter';
}
Creole::import('creole.drivers.odbc.adapters.' . $adapterclass);
$this->adapter = new $adapterclass();
$this->dsn = $dsninfo;
$this->flags = $flags;
if (!($this->flags & Creole::COMPAT_ASSOC_LOWER) && !$this->adapter->preservesColumnCase()) {
trigger_error('Connection created without Creole::COMPAT_ASSOC_LOWER, ' . 'but driver does not support case preservation.', E_USER_WARNING);
$this->flags != Creole::COMPAT_ASSOC_LOWER;
}
$persistent = ($flags & Creole::PERSISTENT) === Creole::PERSISTENT;
if ($dsninfo['database']) {
$odbcdsn = $dsninfo['database'];
} elseif ($dsninfo['hostspec']) {
$odbcdsn = $dsninfo['hostspec'];
} else {
$odbcdsn = 'localhost';
}
$user = @$dsninfo['username'];
$pw = @$dsninfo['password'];
$connect_function = $persistent ? 'odbc_pconnect' : 'odbc_connect';
$conn = @$connect_function($odbcdsn, $user, $pw, SQL_CUR_USE_IF_NEEDED);
if (!is_resource($conn)) {
throw new SQLException('connect failed', $this->nativeError(), $odbcdsn);
}
$this->dblink = $conn;
/**
* This prevents blob fields from being fetched when a row is loaded
* from a recordset. Clob fields however are loaded with up to
* 'odbc.defaultlrl' data. This should be the default anyway, but we'll
* set it here just to keep things consistent.
*/
@odbc_binmode(0, ODBC_BINMODE_PASSTHRU);
@odbc_longreadlen(0, ini_get('odbc.defaultlrl'));
}