class="token punctuation">(</span>NamedPrefix<span class="token punctuation">(</span><span class="token string">&quot;tag&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;prefix&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span> 
</code></pre></div><p>Obviously, ddl value contains the table's ddl, and we use <code>TableDDL</code> type to represent this in Scala code. Using <code>TableDDL</c