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Request #58600 Support for transactions -mssql
Submitted: 2009-03-27 04:57 UTC Modified: 2011-12-01 05:38 UTC
From: sigurdne at online dot no Assigned: ssufficool (profile)
Status: Closed Package: *General Issues
PHP Version: 5.2.6 OS: Ubuntu 8.10
Private report: No CVE-ID: None
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 [2009-03-27 04:57 UTC] sigurdne at online dot no 
Description:
------------
Would be nice to support transactions for mssql.

Tried both the precompiled ubuntu packages and custom built from pecl with the same result:

'This driver doesn't support transactions'

Cutom built:
versions:
* PDO-1.0.3
* PDO_DBLIB-1.0
* FreeTDS 0.82

To allow configure to work:
 $ touch /usr/include/tds.h
 $ touch /usr/lib/libtds.a

configure:
 $ ./configure --with-mssql


Reproduce code:
---------------
$this->db = new PDO("dblib:host={$this->Host};dbname={$this->Database}", $this->User, $this->Password, array(PDO::ATTR_PERSISTENT => $persistent));

$this->db->beginTransaction();

Actual result:
--------------
Error message: 'This driver doesn't support transactions'

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 [2009-03-30 02:26 UTC] sigurdne at online dot no 
By looking at the pdo_mysql - it looks like something like this could work.
However there seems to be a problem that the transaction state is not reported correctly - so when it comes to the commit - it claims that it is not in a transaction.

Anyone that could help out?

diff -aburN --exclude='.svn*' --exclude='CVS*' PDO_DBLIB-1.0.org/dblib_driver.c PDO_DBLIB-1.0/dblib_driver.c
--- PDO_DBLIB-1.0.org/dblib_driver.c	2005-10-16 16:58:50.000000000 +0200
+++ PDO_DBLIB-1.0/dblib_driver.c	2009-03-27 13:10:14.000000000 +0100
@@ -166,14 +166,30 @@
 	return 1;
 }
 
+static int dblib_handle_begin(pdo_dbh_t *dbh TSRMLS_DC)
+{
+	return 0 <= dblib_handle_doer(dbh, ZEND_STRL("BEGIN TRAN") TSRMLS_CC);
+}
+
+static int dblib_handle_commit(pdo_dbh_t *dbh TSRMLS_DC)
+{
+	return 0 <= dblib_handle_doer(dbh, ZEND_STRL("COMMIT TRAN") TSRMLS_CC);
+}
+
+static int dblib_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC)
+{
+	return 0 <= dblib_handle_doer(dbh, ZEND_STRL("ROLLBACK TRAN") TSRMLS_CC);
+}
+
+
 static struct pdo_dbh_methods dblib_methods = {
 	dblib_handle_closer,
 	dblib_handle_preparer,
 	dblib_handle_doer,
 	dblib_handle_quoter,
-	NULL,
-	NULL,
-	NULL,
+	dblib_handle_begin,
+	dblib_handle_commit,
+	dblib_handle_rollback,
 	NULL,
 	NULL, /* last insert */
 	dblib_fetch_error, /* fetch error */
 [2011-12-01 05:38 UTC] ssufficool@php.net 
Thank you for your bug report. This issue has already been fixed
in the latest released version of PHP, which you can download at 
http://www.php.net/downloads.php

Try 5.4 RC2
 [2011-12-01 05:38 UTC] ssufficool@php.net
-Status: Open +Status: Closed -Package: PDO_DBLIB +Package: *General Issues -Assigned To: +Assigned To: ssufficool
 [2012-03-10 17:36 UTC] programmer at finner dot de 
This issue is identical to #38955 (from 2006-09-25!!!). Obviously nobody 
recognized, that the OP referred to MSSQL via DBLIB/FreeTds, NOT to MySQL. I did 
not find anything about issues #38955 or #58600, or anything about a fix of lack 
of transactions in the changelogs up to 5.4, and with 5.3.10 I got this error 
myself today. Therefore, this issue should remain open until it is really fixed. 
Issue #38955 is also closed due to "No developer cares about it", which is quite 
arrogant.
 
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