此问题是由于应该查出1条数据,但是实际上查出2条所导致,debug查看具体的sql语句发现查出2条结果,删除一条没用的结果解决
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关于解决Incorrect result size: expected 1, actual的问题
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有关Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1问题的解法