hibernate 使用sql 查询(setResultTransformer)
2015-02-04 18:44
351 查看
使用方法举例如下:
public List findByOid(Object oid) {
log.debug("finding all WatershedAnalyse instances");
Session session=getSessionFactory().openSession();
SQLQuery query=null;
try {
String queryString = "SELECT oid,bdatetime,basin_code,p,e FROM basin_in WHERE oid="+oid;
query=session.createSQLQuery(queryString);
query.addScalar("oid", Hibernate.INTEGER);
query.addScalar("bdatetime", Hibernate.STRING);
query.addScalar("basin_code", Hibernate.STRING);
query.addScalar("p", Hibernate.DOUBLE);
query.addScalar("e", Hibernate.DOUBLE);
query.setResultTransformer(Transformers.aliasToBean(BasinIn.class));
return query.list();
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}finally{
session.close();
}
}
使用setResultTransformer 要使用query.addScalar("oid", Hibernate.INTEGER)指定
返回类型 否则会抛出以下异常。
Caused by: org.hibernate.PropertyAccessException: IllegalArgumentException occurred while calling setter of com.serialssoloutions.database.entity.ProductInfo.id
Caused by: java.lang.IllegalArgumentException: argument type mismatch
BasinIn bean如下
public class BasinIn implements java.io.Serializable {
private Integer oid;
private String bdatetime;
private String basin_code;
private Double p;
private Double e;
public BasinIn() {
}
public String getBasin_code() {
return basin_code;
}
public void setBasin_code(String basin_code) {
this.basin_code = basin_code;
}
public Integer getOid() {
return oid;
}
public void setOid(Integer oid) {
this.oid = oid;
}
public Double getP() {
return p;
}
public void setP(Double p) {
this.p = p;
}
public Double getE() {
return e;
}
public void setE(Double e) {
this.e = e;
}
public String getBdatetime() {
return bdatetime;
}
public void setBdatetime(String bdatetime) {
this.bdatetime = bdatetime;
}
}
public List findByOid(Object oid) {
log.debug("finding all WatershedAnalyse instances");
Session session=getSessionFactory().openSession();
SQLQuery query=null;
try {
String queryString = "SELECT oid,bdatetime,basin_code,p,e FROM basin_in WHERE oid="+oid;
query=session.createSQLQuery(queryString);
query.addScalar("oid", Hibernate.INTEGER);
query.addScalar("bdatetime", Hibernate.STRING);
query.addScalar("basin_code", Hibernate.STRING);
query.addScalar("p", Hibernate.DOUBLE);
query.addScalar("e", Hibernate.DOUBLE);
query.setResultTransformer(Transformers.aliasToBean(BasinIn.class));
return query.list();
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}finally{
session.close();
}
}
使用setResultTransformer 要使用query.addScalar("oid", Hibernate.INTEGER)指定
返回类型 否则会抛出以下异常。
Caused by: org.hibernate.PropertyAccessException: IllegalArgumentException occurred while calling setter of com.serialssoloutions.database.entity.ProductInfo.id
Caused by: java.lang.IllegalArgumentException: argument type mismatch
BasinIn bean如下
public class BasinIn implements java.io.Serializable {
private Integer oid;
private String bdatetime;
private String basin_code;
private Double p;
private Double e;
public BasinIn() {
}
public String getBasin_code() {
return basin_code;
}
public void setBasin_code(String basin_code) {
this.basin_code = basin_code;
}
public Integer getOid() {
return oid;
}
public void setOid(Integer oid) {
this.oid = oid;
}
public Double getP() {
return p;
}
public void setP(Double p) {
this.p = p;
}
public Double getE() {
return e;
}
public void setE(Double e) {
this.e = e;
}
public String getBdatetime() {
return bdatetime;
}
public void setBdatetime(String bdatetime) {
this.bdatetime = bdatetime;
}
}
相关文章推荐
- hibernate 使用sql 查询利用setResultTransformer查询出封装好的VO对象
- hibernate,hql与sql的缓存使用 setResultTransformer的用法
- hibernate (SQLQuery)query.setResultTransformer
- Hibernate 的原生sql查询转map setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP)
- 写在hibernate里面的sql setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP);
- hibernate里createSQLQuery的addEntity()和setResultTransformer()方法
- 关于Column '*' not found 解决方案 Hibernate使用SQL查询返回实体类型,即返回某个类,或实体类
- Hibernate使用sql语句查询
- hibernate使用groupProperty,sqlGroupProjection查询,为sqlGroupProjection设置别名,用于排序
- Hibernate使用SQL查询返回实体类型
- Hibernate 使用 SQL 查询时报错 “对象名 XX 无效”的解决办法
- Hibernate 使用 SQL 查询时报错 “对象名 XX 无效”的解决办法
- 在使用Hibernate时,因为一个查询需要更多的表连接而要使用SQL来解决性能问题。然而返回的结果集中包含了没有映射的Entity类中的表字段,在这个SQL中还有使用如何将层次关系的父子结点显示为横行
- 简单修改Hibernate源码,增加使用原生SQL查询时动态addEntity和addScalar功能
- Hibernate的拦截器与监听器_使用SQL_命名查询
- Hibernate使用sql语句查询
- 在Hibernate中使用HibernateTemplate来进行包含sql语句的查询
- hibernate使用groupProperty,sqlGroupProjection查询,为sqlGroupProjection设置别名,用于排序
- NHibernate中用Criteria查询,不采用SetResultTransformer(new DistinctRootEntityResultTransformer())处理Distinct
- Hibernate使用sql语句查询