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Bug #36117 posbile bug sqlite_prev
Submitted: 2006-01-21 19:48 UTC Modified: 2006-01-22 14:04 UTC
From: alejosimon at yahoo dot com dot ar Assigned:
Status: Not a bug Package: SQLite related
PHP Version: 5.1.2 OS: Win 2k3
Private report: No CVE-ID: None
View Developer Edit
 [2006-01-21 19:48 UTC] alejosimon at yahoo dot com dot ar 
Description:
------------
Actualmente estoy usando PHP 5.1.2 for win32 en windows 2k3, y experimento un bucle interminable.

Puede ser esto un bug ???

Saludos.

Reproduce code:
---------------
$db_res = db_query( $db, " SELECT * FROM clientes " ) ;

while ( $db_reg = db_fetch_array( $db_res ) ) {

   echo "1ro: " . $db_reg['cliente'] . "<br>" ;

   db_next( $db_res ) ;
   $db_reg = db_current( $db_res ) ;

   echo "2do: " . $db_reg['cliente'] . "<br>" ;

   db_prev( $db_res ) ; // aca esta el problema.

}


Expected result:
----------------
sumar un registro para verificarlo, y luego retroceder para seguir con el while. 

Actual result:
--------------
bucle interminable.

Patches

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 [2006-01-21 20:15 UTC] tony2001@php.net 
Please use English for bug reports.
 [2006-01-21 22:20 UTC] alejosimon at yahoo dot com dot ar 
Sorry!!! :(

... but please! run this php code and view the problem.

thanks!
 [2006-01-21 22:25 UTC] alejosimon at yahoo dot com dot ar 
SORRY 2 :) !!!

all functions with prfix "db_" are equivalent to "sqlite_" functions. Rewrite the code.


$db_res = sqlite_query( $db, " SELECT * FROM clientes " ) ;

while ( $db_reg = sqlite_fetch_array( $db_res ) ) {

   echo "1ro: " . $db_reg['cliente'] . "<br>" ;

   sqlite_next( $db_res ) ;
   $db_reg = sqlite_current( $db_res ) ;

   echo "2do: " . $db_reg['cliente'] . "<br>" ;

   sqlite_prev( $db_res ) ; // aca esta el problema.

}
 [2006-01-21 22:38 UTC] tony2001@php.net 
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.
 [2006-01-21 22:39 UTC] tony2001@php.net 
And try to describe the problem.
 [2006-01-22 06:22 UTC] judas dot iscariote at gmail dot com 
Tony : I speak Spanish :-)

He is trying to say, that the code above is getting into an infinite loop, however I think this bug is quite bogus.

to the OP:
you should read some tutorial like http://www.zend.com/php/beginners/php101-9.php

http://www.zend.com/php5/articles/php5-sqlite.php

and use sqlite extension in the Object oriented way. or even better, use pdo_sqlite.
 

if one of the suggested examples crashes for you please reopen this bug.
 [2006-01-22 14:04 UTC] tony2001@php.net 
Feel free to reopen when you have a decent description and reproduce code.
 
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