Get Vector from Database

Hi i have problem with birt report : 
i have added Vector to my mysql database and i want take this vector from database and add its elementAt(0) to my report column.I have already added computed column : 
 
<pre class='_prettyXprint _lang-auto _linenums:0'>
df = new Packages.java.util.Vector();
df=row["Valuess"];//values is my Vector which is saved to database
df[0];
</pre>
 
but it doesn't work. 
how i can handle this Vector please help 
Thank you

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Comments

thuston

Is the query returning it as a Vector?

I don't think BIRT data row can have a Vector.
It might be a different datatype and you will have to access [0] differently.