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Request #60818 cannot quote strings as NVARCHAR
Submitted: 2012-01-20 12:04 UTC Modified: 2017-04-10 20:48 UTC
Votes:3
Avg. Score:3.3 ± 1.2
Reproduced:3 of 3 (100.0%)
Same Version:3 (100.0%)
Same OS:2 (66.7%)
From: wrobel at wsb-nlu dot edu dot pl Assigned: adambaratz (profile)
Status: Closed Package: PDO DBlib
PHP Version: Irrelevant OS:
Private report: No CVE-ID: None
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 [2012-01-20 12:04 UTC] wrobel at wsb-nlu dot edu dot pl 
Description:
------------
I have a problem storing UTF data on MSSQL using pdo_dblib.
In the following query:
   EXECUTE p_proc id = :id, @name = :name
I cannot bind the ":name" param using the N'string' notation required by SQL Server (see http://support.microsoft.com/kb/239530)
You cannot get around this by typing:
   EXECUTE p_proc id = :id, @name = N:name
because binding fails on N:name

The same problem happens with qoute function - it allways quotes with '' a never with N'' - perhaps there should be a new param like PDO::PARAM_STR to tell that with deal with a Unicode value?

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 [2012-01-24 11:32 UTC] redman dot naw at gmail dot com 
Hi,
-you should use utf8_decode to convert UTF8 character to ISO-8859-1(latin-1) character
- i use this function with MySQL, that's work :D
 [2012-04-02 03:28 UTC] ssufficool@php.net 
This will require a re-write of the PDO_DBLIB to allow the use of the "encoding" 
option. After that, all queries and parameter will require you to encode them 
before binding with utf8_encode(). You will also have to decode them using 
utf8_decode() when returned from the server. I was working to bring full Unicode 
support to the driver, but it would have broken so much code I had to rethink the 
strategy.
 [2013-06-12 04:21 UTC] ssufficool@php.net
-Summary: Problem storing UTF data +Summary: PDO_DBLIB: Problem storing UTF data
 [2014-01-01 12:41 UTC] felipe@php.net
-Package: PDO related +Package: PDO DBlib
 [2016-09-12 21:19 UTC] adambaratz@php.net
-Summary: PDO_DBLIB: Problem storing UTF data +Summary: PDO_DBLIB: cannot quote strings as NVARCHAR -Type: Bug +Type: Feature/Change Request
 [2016-09-12 21:19 UTC] adambaratz@php.net 
This is a limitation of how PDO handles types.

I implemented a hackish solution here:
https://github.com/wayfair/php-src/commit/0190df6da7a4c39b235a75161fdc880acde5c28f

It's not clean enough for general use, but could work in a pinch if you're willing to do a custom build.

I sketched out a better solution here:
https://github.com/php/php-src/pull/2017#discussion_r72349801
 [2016-09-12 21:23 UTC] adambaratz@php.net
-Summary: PDO_DBLIB: cannot quote strings as NVARCHAR +Summary: cannot quote strings as NVARCHAR
 [2017-03-15 15:41 UTC] adambaratz@php.net 
I posted an RFC to address this issue:
https://wiki.php.net/rfc/extended-string-types-for-pdo

It's currently being voted on.
 [2017-04-10 20:48 UTC] adambaratz@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: adambaratz
 [2017-04-10 20:48 UTC] adambaratz@php.net 
Closing, as the RFC was accepted. This functionality will be available in PHP 7.2:
https://github.com/php/php-src/commit/4afce8ec8c6660ebd9f9eb174d2614361d1c6129
 
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