Comments (2)
这是因为模型beam search出的所有(在这里beam size=8)candidate natsqls都存在错误(可能是语法错误,也可能是其他错误),因此它们都不能被正确翻译到对应的sqls,这时我们会使用sql placeholder来对这个样例进行占位,以方便后续调用评估脚本。我初步估计,有两个原因会导致这种情况,您可以打印并观察模型输出的candidate natsqls(请移步./utils/text2sql_decoding_utils.py中的decode_natsqls函数)来判断属于哪个原因:1. 该问题是代码上可能存在的bug导致的,您可以观察模型输出的natsqls是否存在一些很明显的共性错误;2. 模型确实不能正确地解析您提供的这个样例,因为对于某些过于困难的样例,模型很难做出正确的解析。
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这个问题由于不活跃而被关闭。如果你有进一步的问题,请随时再次打开它或创建一个新的问题。
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