Generates a logical plan for the rule.</p><div class="fullcomment"><div class="comment cmt"><p>Generates a logical plan for the rule.
</p></div><dl class="paramcmts block"><dt class="param">rule</dt><dd class="cmt"><p>the rule</p></dd><dt class="param">optimized</dt><dd class="cmt"><p>whether to get an optimized plan based on Apache Calcite transformation rules</p></dd><dt>returns</dt><dd class="cmt"><p>the root node of the logical plan</p></dd></dl></div>
    </li><li name="scala.AnyRef#getClass" visbl="pu