Currently i have this procedure under package that gets user_name when some selects user_id on web page but now i wanna change the format by adding ssn to the page so when some body selects user_id it loads user name as well as ssn on webpage textbox.. i am using callable statement to load data.. what can i change here to get both user name and ssn
PROCEDURE get_User_name
(
return_code_out OUT VARCHAR2,
return_msg_out OUT VARCHAR2,
user_id_in IN user.user_id%TYPE,
user_name_out OUT user.user_name%TYPE
)
IS
BEGIN
return_code_out := '0000';
return_msg_out := 'OK';
SELECT c.user_name INTO user_name_out
FROM user c
WHERE c.user_id = user_in;
END get_user_name;
and here is my load function
public String load() {
String retMsg = null;
DbUtil db = null;
java.sql.CallableStatement cstmt = null;
try {
db = new DbUtil();
cstmt = db.prepareCall("{ call sample.PACK_USER.get_user_name(?, ?, ?, ?) }");
cstmt.registerOutParameter(1,OracleTypes.VARCHAR);
cstmt.registerOutParameter(2,OracleTypes.VARCHAR);
cstmt.setString(3,this.getuserid());
cstmt.registerOutParameter(4,OracleTypes.VARCHAR);
cstmt.execute();
if (cstmt.getString(1).equals(Constants.dbSuccess))
myLog.log(myLog.INFORMATION, "UserBean.load() DB return code and message = " + retMsg);
else {
retMsg = cstmt.getString(1) + " - " + cstmt.getString(2);
myLog.log(myLog.ERROR, "UserBean.load() DB return code and message = " + retMsg);
}
this.setUserName(cstmt.getString(4));
return retMsg;
}
So that is change your procedure as Rajesh suggested (though it does depend on which database server you are using):
PROCEDURE get_User_name
( user_id_in IN user.user_id%TYPE,
user_name_out OUT user.user_name%TYPE,
user_ssn_out out user.ssn_type%TYPE ) IS
BEGIN
SELECT c.user_name, c.ssn
INTO user_name_out, ssn_out
FROM user c
WHERE c.user_id = user_in;
END get_user_name;
AND change the Java code as follows:
cstmt = db.prepareCall("{ call sample.PACK_USER.get_user_name(?, ?, ?) }");
cstmt.setString(1,this.getuserid());
cstmt.registerOutParameter(2,OracleTypes.VARCHAR);
cstmt.registerOutParameter(3,OracleTypes.VARCHAR);
cstmt.execute();
String userName = cstmt.getString(2);
String ssnType = cstmt.getString(3);
Your existing error code would never work - you must handle errors by catching an SQLException somewhere.