Laura Xia created KYLIN-5505:
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Summary: After the table is dropped, the corresponding computable
column is not dropped
Key: KYLIN-5505
URL: https://issues.apache.org/jira/browse/KYLIN-5505
Project: Kylin
Issue Type: Bug
Reporter: Laura Xia
操作步骤：
1、新建模型，添加表ssb.customer,添加cc列：CUSTOMER.C_CUSTKEY+10
2、删除表ssb.customer，添加新表ssb.dates,勾选维度和cc列，点击保存
预期结果：删除表ssb.customer时，对应的cc列应被清除
实际结果：删除表ssb.customer时，对应的cc列应未被清除，点击保存后报错
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