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POHow to write update query in Hibernate for where clause i am using foreign key column?
 

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  1. POHow to write update query in Hibernate for where clause i am using foreign key column?
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    <p>when i write update query in hibernate. i am getting this error. I am using Hibernate 3.2 with MySQL 5.0.Here in UserDetails.java, Login is forign key referencing to primary key (loginId) of Login.java .</p> <pre><code>java.lang.NullPointerException at org.hibernate.hql.ast.util.SessionFactoryHelper.findSQLFunction(SessionFactoryHelper.java:342) at org.hibernate.hql.ast.tree.IdentNode.getDataType(IdentNode.java:266) at org.hibernate.hql.ast.tree.BinaryLogicOperatorNode.extractDataType(BinaryLogicOperatorNode.java:168) at org.hibernate.hql.ast.tree.BinaryLogicOperatorNode.initialize(BinaryLogicOperatorNode.java:34) at org.hibernate.hql.ast.HqlSqlWalker.prepareLogicOperator(HqlSqlWalker.java:1007) at org.hibernate.hql.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:3992) at org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1762) at org.hibernate.hql.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:776) at org.hibernate.hql.antlr.HqlSqlBaseWalker.updateStatement(HqlSqlBaseWalker.java:358) at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:237) at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:228) at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:160) at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:111) at org.hibernate.engine.query.HQLQueryPlan.&lt;init&gt;(HQLQueryPlan.java:77) at org.hibernate.engine.query.HQLQueryPlan.&lt;init&gt;(HQLQueryPlan.java:56) at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:72) at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:133) at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:112) at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1623) </code></pre> <p>Here is Service class</p> <pre><code> Date birthDay = formatter1.parse(brthDay); session = HibernateUtil.getSession(); transaction = session.beginTransaction(); Login login = (Login) session.get(Login.class, loginId); Query query2 = session.createQuery("update UserDetails set name=:Name, secEmailId=:SecEmailId, dob=:DOB, gender=:Gender where Login=:LoginId"); query2.setString("Name", name); query2.setString("SecEmailId", secEmailId); query2.setDate("DOB", birthDay); query2.setString("Gender", gender); query2.setParameter("LoginId", login); profileUpdated = query2.executeUpdate(); </code></pre> <p>Here is UserDetails.java pojo class</p> <pre><code>private Long udid; private Login login; private String name; private String secEmailId; private Date dob; private String gender; private long createrId; private Date createdDate; private long updaterId; private Date updatedDate; settes &amp; getters </code></pre>
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