"n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> <span class="s2">&quot;json_extract can only be applied to an untransformed column&quot;</span>
    <span class="n">col_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">expr</span><span class="o">.</span><span class="n">sqlglot_expr</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">name</span>
    <span class=