在sqlalchemy中删除后如何返回值。
这是我要实现的查询:
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<img src="https://cdn3.volusion.com/yuqpe.xcnnr/v/vspfiles/photos/25-cent-E-liquid-Sample-2.jpg?1475251487">
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<div class="note">Are you sure?</div>
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<li class="no">No</li>
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<li class="no">No</li>
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<div class="alert">
<div class="note">Are you sure?</div>
<ul class="yesorno">
<li class="yes"><a href="unlink.php?name='img3'">Yes</a></li>
<li class="no">No</li>
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</div>
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<img src="https://cdn3.volusion.com/yuqpe.xcnnr/v/vspfiles/photos/25-cent-E-liquid-Sample-2.jpg?1475251487">
<div class="alert">
<div class="note">Are you sure?</div>
<ul class="yesorno">
<li class="yes"><a href="unlink.php?name='img4'">Yes</a></li>
<li class="no">No</li>
</ul>
</div>
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但这是我目前拥有的:
DELETE FROM sometable WHERE id = 1 returning id
删除后我需要从该表中返回值,有人可以帮助我吗?
答案 0 :(得分:-2)
只需对表对象调用drop()即可。从文档中:
使用给定的Connectable进行连接,为此表发出DROP语句。
您的情况应该是:
。表 .drop() 如果您遇到类似这样的异常:
sqlalchemy.exc.UnboundExecutionError:表对象“未绑定到引擎或连接。如果没有要执行的数据库,执行将无法进行 您需要通过引擎:
。表 .drop(引擎)