Spring jdbc call oralce procedure or function

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1. spring jdbc call oralce procedure:

final String callFunctionSql = "{call SP_Test(?,?,?)}";  
        
        List params = new ArrayList();  
        params.add(new SqlParameter(Types.INTEGER));  
        params.add(new SqlReturnResultSet("result",  
                new ResultSetExtractor() {  
            @Override  
            public Integer extractData(ResultSet rs) throws SQLException,DataAccessException {  
                while(rs.next()) {  
                    return rs.getInt(1);  
                }  
               return 0;  
        }})); 
        
        Map map =  getJdbcTemplate().call(new CallableStatementCreator()
        {

            @Override
            public CallableStatement createCallableStatement(Connection conn) throws SQLException
            {
                CallableStatement cstmt = conn.prepareCall(callFunctionSql);  
                cstmt.setInt(1, 2);
                cstmt.setInt(2, 16);
                cstmt.setInt(3, 10);
                return cstmt;  
            }
            
        }, params);
        

2.Spring jdbc call oracle function

 

String i = getJdbcTemplate().execute("{?=call FN_UPDATE_BUSINESS_UNIT(?,?,?)}", new CallableStatementCallback() {
                public String doInCallableStatement(CallableStatement cs) throws SQLException, DataAccessException {
                    cs.registerOutParameter(1, java.sql.Types.VARCHAR);
                    cs.setInt(2, 2);
                    cs.setInt(3, 16);
                    cs.setInt(4, 8);
                    cs.execute();
                    return cs.getString(1);
                }
            });