e query execution, or <code class="lang-kotlin">null</code> if no result was returned by the database.</p></span><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":exposed-r2dbc/main" data-filterable-set=":exposed-r2dbc/main"><div class="main-subrow keyValue "><div class=""><span class="inline-flex"><div><u><span><span>query</span></span></u></div></span></div><div><div class="title"><p class="paragraph">An executable statement that is expected to potentially ret