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Bug #36421 Empty fields are retrieved by odbc_result on joins
Submitted: 2006-02-16 18:41 UTC Modified: 2006-04-19 01:00 UTC
From: michael dot rachow at gmail dot com Assigned:
Status: No Feedback Package: ODBC related
PHP Version: 4.4.2 OS: XP Pro
Private report: No CVE-ID: None
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From: michael dot rachow at gmail dot com
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 [2006-02-16 18:41 UTC] michael dot rachow at gmail dot com
Two tables A and B.
A is left joined to B on one integer column.
For all records where joined column of table A contains a null value all fields of the record in resultset are empty. The resultset usually containes more than one record.

The records are retrieved by

This is observed only on SQL Server 2005 Express.
Checked with PHP 4.4.2 and 4.4.1

I have the original Windows build of PHP 4.4.2

Reproduce code:
Table A
 cint integer
 cstr char

Table B
 cint integer
 cstr char

... A left join B on A.cint = B.cint ...

Expected result:
If A.cint is null only B.cstr should be empty.

Actual result:
All selected fields A.cint, A.cstr, B.cint, B.cstr are empty when retrieving them with odbc_result.
When A.cint cotains an integer where a record with A.cint = B.cint exists all data are retrieved.


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 [2006-02-16 18:56 UTC]
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc.

If possible, make the script source available online and provide
an URL to it here. Try to avoid embedding huge scripts into the report.

 [2006-02-17 16:17 UTC] michael dot rachow at gmail dot com
I have created a script that have to be configured with database connection info but will then create and fill all needed tables.
The described behaviour can be observed when running against SQL Server 2005 Express.
 [2006-04-11 17:21 UTC]
Please try using this CVS snapshot:
For Windows:

 [2006-04-19 01:00 UTC] php-bugs at lists dot php dot net
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
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