s a tsvector,
so if you want to also add strTopic to the information stored, you
should instead do the following, which effectively concatenates the
two fields into one before being inserted into the table:</p>
<pre>
        UPDATE tblMessages
            SET idxFTI=to_tsvector('default',coalesce(strTopic,'') ||' '|| coalesce(strMessage,''));
        VACUUM FULL ANALYZE;
</pre>
<p><strong>Using the coalesce function makes sure this
concatenation also works with NULL fields.</strong></p>

<p>We need to creat