Bug #10580 Updated: Access Violation using ADODB
| From: | phanto@php.net | Date: | Fri, 18 May 2001 15:24:23 +0000 |
| Subject: | Bug #10580 Updated: Access Violation using ADODB | ||
| Groups: | php.dev | ||
| Request: | Send a blank email to php-dev+get-55781@lists.php.net to get a copy of this message | ||
ID: 10580
Updated by: phanto
Reported By: jason@hspace.net
Old-Status: Open
Status: Closed
Bug Type: COM related
Operating system:
PHP Version: 4.0.7-dev (dated 16-May-2001)
Assigned To:
Comments:
is it ? i was able to run your ado script successfully. are you using the isapi or the cgi version
of php. isapi isn't stable yet.
-harald
Previous Comments:
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[2001-05-16 08:42:01] jason@hspace.net
COM broken in PHP version 4.0.7-dev
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[2001-05-16 08:34:57] jason@hspace.net
Bug reopened, CVS dated 16 May 2001,
message when accessing database:
PHP has encountered an Access Violation at 011CD614
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[2001-05-08 20:12:03] phanto@php.net
works here.
the only mistake i found was, that if either the connect string or the query was wrong
$conn->execute() returned a nullpointer instead of a valid recordset.
this only produced a warning so there was a nullpointer exception at the first attempt to access
$rs->...
now i produce an error (unfortunatelly this causes the script to stop).
i'll fix this in the code and switch back to a warning, but i think it's ok for now.
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[2001-05-08 19:18:07] jason@hspace.net
Here is a code snippet for testing ADODB:
<?php
define ("DSN_USER", "sa");
define ("DSN_PWD", "");
define ("DB_SERVERNAME", "localhost");
define ("DATABASENAME", "Northwind");
define ("OLEDB_CONNECTION_STRING", "Provider=SQLOLEDB; Data
Source=".DB_SERVERNAME."; Initial Catalog=".DATABASENAME."; User
ID=".DSN_USER."; Password=".DSN_PWD);
$conn = new COM("ADODB.Connection") or die("Cannot start ADO");
$conn->Open(OLEDB_CONNECTION_STRING);
$command = "SELECT * from employees";
$rs = $conn->Execute($command); // Recordset
$num_columns = $rs->Fields->Count();
$this->set_arr($num_columns);
for ($i=0; $i < $num_columns; $i++) {
$fld[$i] = $rs->Fields($i);
}
$rowcount = 0;
while (!$rs->EOF) {
for ($i=0; $i < $num_columns; $i++) {
$arr[$i][$rowcount] = $fld[$i]->value;
}
$rowcount++; // increments rowcount
$rs->MoveNext();
}
$rs->Close();
$conn->Close();
$rs = NULL;
$conn = NULL;
?>
This produces the error: PHP has encountered an Access Violation at 2474FF04
You can also produce an Access Violation by trying to use MSXML Parser 3.0,
and by calling the loadXML() method.
I downloaded php 4.0.6-dev [2001-05-04] build from
php4win32.sourceforge.net/releases/php-4.0.6-dev-20010504.exe
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[2001-05-08 16:30:55] phanto@php.net
could you provide a short snippet, i can't reproduce this.
are you using the cgi or the isapi version ?
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