n>
<span><span class="fu">ft_numeric</span><span class="op">(</span>na <span class="op">=</span> <span class="cn">NULL</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">ft_datetime</span><span class="op">(</span>includes_time <span class="op">=</span> <span class="cn">TRUE</span>, format <span class="op">=</span> <span class="st">""</span>, na <span class="op">=</span> <span class="cn">NULL</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">ft_freetext</spa