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测试发现: 使用OpenDatasource打开UDB数据源时,如果udb文件不存在,将自动创建。 如果自动创建成功,也将返回1(true)。 因此,无需自行判断是否存在,然后再次调用createdatasource创建udb文件。 如果这样做,该创建UDB的代码将不会被执行,从而没有任何效果。
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测试发现:
使用OpenDatasource打开UDB数据源时,如果udb文件不存在,将自动创建。
如果自动创建成功,也将返回1(true)。
因此,无需自行判断是否存在,然后再次调用createdatasource创建udb文件。
如果这样做,该创建UDB的代码将不会被执行,从而没有任何效果。
The text was updated successfully, but these errors were encountered: