lly wrap in a transaction</span>
err <span class="token operator">:=</span> app<span class="token punctuation">.</span><span class="token function">Dao</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">RunInTransaction</span><span class="token punctuation">(</span><span class="token keyword">func</span><span class="token punctuation">(</span>txDao <span class="token operator">*</span>daos<span class="tok