Hibernate addscalar method: returns a combination of scalar and entity

• Java

addScalar(String columnAlias,Type type)

Example

String sql = "select avg(result.english)as avgEnglish from tb_result result";  //定义查询sql语句
sqlQuery query = session.createsqlQuery(sql)  //执行查询语句
  .addScalar("avgEnglish",Hibernate.FLOAT);
Float avgEnglish = (Float)query.uniqueResult();
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