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Bug #15265 printing of mssql 'bit' value crashes script
Submitted: 2002-01-28 20:15 UTC Modified: 2002-10-09 11:56 UTC
From: shawn at wnsi dot net Assigned:
Status: Not a bug Package: MSSQL related
PHP Version: 4.1.1 OS: Linux 2.4.2-2smp Redhat7.1
Private report: No CVE-ID: None
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From: shawn at wnsi dot net
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 [2002-01-28 20:15 UTC] shawn at wnsi dot net
outputing a bit field via print, echo, or var_dump causes the process to go defunct.

--setup info
Apache/1.3.14 Ben-SSL/1.42
php 4.1.1
./configure --with-apxs=/usr/local/apache/bin/apxs --with-xml --enable-ftp --with-sybase=/usr/local/freetds --with-openssl=/usr/local/ssl --with-curl
mssql server 7.0

Here is an example
$bit_result = mssql_query('SELECT some_bit_field FROM fake_table');

$bit_row = mssql_fetch_array($bit_result);

print $bit_row['some_bit_field'];
--script crashes and the apache process goes defunct

This SQL cast fixes it....

$bit_result = mssql_query('SELECT Cast(some_bit_field AS varchar(2)) AS some_bit_field FROM fake_table');

$bit_row = mssql_fetch_array($bit_result);

print $bit_row['some_bit_field'];

The actual script that led me to discover this problem was sigificantly longer and I was able to use the value as long as I never ouput it (I think the reslts of comparisons I made were false though. i.e. if ( $bit_row['some_bit_field'] == 1 ) {} ). The point is that you can include the value in the expression but never ouput it.


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 [2002-10-09 11:47 UTC]
Please try using this CVS snapshot:
For Windows:

 [2002-10-09 11:56 UTC]
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Please try a newer version of freetds.

I tested it with freetds-0.53 and 0.60 and both works for me fine without any crash.
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