productlevel
<h4>productlevel 产品层次,存放顶级产品分类和所有子孙的ID</h4>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>类型长度</th>
<th>是否NULL</th>
<th>默认值</th>
<th>注释</th>
</tr>
</thead>
<tbody>
<tr>
<td>id</td>
<td>int(11)</td>
<td>NO</td>
<td></td>
<td></td>
</tr>
<tr>
<td>topid</td>
<td>varchar(45)</td>
<td>YES</td>
<td></td>
<td></td>
</tr>
<tr>
<td>children</td>
<td>varchar(1024)</td>
<td>YES</td>
<td></td>
<td></td>
</tr>
<tr>
<td>comment</td>
<td>varchar(45)</td>
<td>YES</td>
<td></td>
<td>备注</td>
</tr>
</tbody>
</table>