org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2;

org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2; nested exception is javax.persistence.NonUniqueResultException: query did not return a unique result: 2

返回值与返回类型不匹配，这里return2个值 但是返回类型只有一个

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IncorrectResultSizeDataAccessExce springframework return result uniqueincorrectresultsizedataaccessexce springframework selectone expected returned result incorrectresultsizedataaccessexce result results result_cache unique resultful uniquely shcg_numerical_results