FreeTDS Development Group

["ZIGLIO, Frediano, VF-IT" <Frediano.Ziglio AT vodafone.com>]

> 
> hi everybody,
> 
> i have found another problem, this time with a current version of php:
> 
> client:
> * debian linux
> * php 5.1.2
> * tds 0.63 (debian unstable)
> 
> server:
> * using microsoft sql server express 9.0.1399 on windows xp2
> 
> this following script. it should return a length of 0 for the string 
> data, but it returns 1.
> 
> i see the same problem with the php/sybase_* api.
> 
> --------------------------------
> test_query2();
> 
> 
> function test_query2() {
>     $dsn ="DRIVER={FreeTDS};SERVER=thepope;DATABASE=test";
>     $link2 = odbc_connect($dsn , 'sa', 'test' ) or 
> die(odbc_errormsg() );
>     odbc_autocommit($link2, true);
>     odbc_exec($link2, "
> IF EXISTS(SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE 
> TABLE_NAME = 'images') DROP TABLE [images];\n;
> CREATE TABLE images (
>    name varchar(50),
>    data varchar(max)
> );
> ");
>     $ins = "INSERT INTO images (name,data) VALUES ('henk','')";
>     odbc_exec($link2, $ins);
> 
>     $sql = "SELECT data,datalength(data) as length FROM images";
>     $res = odbc_exec($link2, $sql);
>     $row = odbc_fetch_array($res);
>     echo "<pre>";
>     print_r($row);
>     print_r("STRLEN of 'data':".strlen($row[data]));
>     // this prints a length of 1, but it should be 0
> }
> 

Probably you are using wrong TDS version. This behavior is due to 4.2
protocol limitation.

freddy77