 casting a text field to that of type
tsvector. Lets check out one of the new functions created by the
tsearch2 module.</p>
<p>The function to_tsvector has 3 possible signatures:</p>
<pre>

        to_tsvector(oid, text);
        to_tsvector(text, text);
        to_tsvector(text);
</pre>
<p>We will use the second method using two text fields. The
overloaded methods provide us with a way to specifiy the way the
searchable text is broken up into words (Stemming process). Right
now we will specify the 'default