如何从具有IN和OUT参数的Hibernate调用存储过程

我想从Hibernate调用一个存储过程,它返回一个out值。 这是我的存储过程。

create procedure myProcedure ( in in_Id int, out out_Id int ) begin ... END; 

我正在尝试这个来调用我的程序

 Query query = session.createSQLQuery( "CALL myProcedure(:in_Id)") .setParameter("in_id", 123); //Not sure how to register out parameters...?? List result = query.list(); 

我尝试了一切,但没有运气。 你能帮我吗? 如果我尝试以上说法:

PROCEDURE myProcedure的参数数量不正确; 预计2,得到1

我试着添加一个out参数

 myProcedure(:out_id:in_Id) 

但随后它说

并非所有已命名的参数都已设置:

我不知道如何设置参数? 它像下面这样吗?

 .setParameter("out_id", ?); 

任何帮助表示赞赏:)

最简单的方法是将out参数作为返回参数的一部分返回(仅当您有权访问存储过程时才相关)。
jest添加如下所示的商店程序

 create procedure myProcedure_only_in_parms ( in in_Id int) begin call myProcedure(in_id,@out_Id) ; select @out_id END; 

完成后,以下列方式使用Hibernet非常简单

 Query query = session.createSQLQuery( "CALL myProcedure_only_in_parms (:in_Id)") .setParameter("in_id", 123); List result = query.list(); 

结果包含out参数,如果你想要返回乘法参数,你可以通过选择@ parm1,@ parm2,…,@ parmn来添加它。

希望它有所帮助

我写了一篇非常详细的文章,介绍如何从Hibernate调用MySQL存储过程和数据库函数 ,但我也会在这里写一篇简短的摘要。

考虑到您有一个输出基本类型的简单存储过程:

 CREATE PROCEDURE count_comments ( IN postId INT, OUT commentCount INT ) BEGIN SELECT COUNT(*) INTO commentCount FROM post_comment WHERE post_comment.post_id = postId; END 

您可以使用JPA StoredProcedureQuery调用此存储过程:

 StoredProcedureQuery query = entityManager .createStoredProcedureQuery("count_comments") .registerStoredProcedureParameter( "postId", Long.class, ParameterMode.IN) .registerStoredProcedureParameter( "commentCount", Long.class, ParameterMode.OUT) .setParameter("postId", 1L); query.execute(); Long commentCount = (Long) query .getOutputParameterValue("commentCount"); 
 @Override public String generateVoucherNumber(ExpenseHeaderDTO expenseHeaderDTO) { Session session = sessionFactory.getCurrentSession(); ProcedureCall query = session.createStoredProcedureCall("voucher_number"); query.registerParameter( "module", String.class, ParameterMode.IN).bindValue("EMPLOYEE_EXPENSE"); query.registerParameter( "voucherNumber", String.class, ParameterMode.OUT); ProcedureOutputs procedureResult=query.getOutputs(); String voucherNumber= (String) procedureResult.getOutputParameterValue("voucherNumber"); return voucherNumber; } 

参考上面的例子

  just cal normal way but store response out param in Object[] and we can also get multiple response value in Onject[] Object[] respnseCode = (Object[])session.createSQLQuery( "CALL myProcedure_only_in_parms (:in_Id)") .setParameter("in_id", 123); List result = query.list(); sysout("out_Id"+respnseCode[0]); 

ResultSet rs1 = null;

  ArrayList list=new ArrayList(); CallableStatement cStmt; try { cStmt = hibernateConfiguration.dataSource().getConnection() .prepareCall("{call SP_ADVSER_LOOKUPMASTER(?,?,?,?,?,?,?)}"); cStmt.setString(1,lookup_master.getLookup_code()); cStmt.setString(2,lookup_master.getLookup_type()); cStmt.setString(3,lookup_master.getLookup_name()); cStmt.setString(4,lookup_master.getMeaning()); cStmt.setString(5,request.getParameter("start_date")); cStmt.setString(6,request.getParameter("end_date")); cStmt.registerOutParameter(7, OracleTypes.CURSOR); cStmt.executeQuery(); rs1 = (ResultSet) cStmt.getObject(7); while (rs1.next()) { Lookup_master lookup_master1=new Lookup_master(); lookup_master1.setLookup_id(rs1.getInt(1)); lookup_master1.setLookup_code(rs1.getString(2)); lookup_master1.setLookup_type(rs1.getString(3)); lookup_master1.setLookup_name(rs1.getString(4)); lookup_master1.setMeaning(rs1.getString(5)); lookup_master1.setStart_date(rs1.getDate(6)); lookup_master1.setEnd_date(rs1.getDate(7)); list.add(lookup_master1); System.out.println(lookup_master1.getLookup_id()); } } catch (SQLException e) { e.printStackTrace(); } return list; }