that unlike traditional indexes, this is actually a new
field in the same table, which is then used (through the magic of
the tsearch2 operators and functions) by a special index we will
create in a moment.</p>
<p>The general rule for the initial insertion of data will follow
four steps:</p>
<pre>

    1. update table
    2. vacuum full analyze
    3. create index
    4. vacuum full analyze
</pre>
<p>The data can be updated into the table, the vacuum full analyze
will reclaim unused space. The index can be 