1. Java program getting terminated before Resultset.next() stackoverflow.comMy program is get terminated just after printing |
2. ResultSet.next() coderanch.comAs best I can tell, closing the statement and connection, in this case, kills my ResultSet...as a matter of fact...a call to myResulSet.next() throws a npe...so, as best I can tell, the database driver I'm using, which I have no documenation for, seems to be tied to the database when calls to .next() are made. I didn't know if this was ... |
3. ResultSet & next() issue coderanch.comOk, I have an issue where I can't use scrollable options for a ResultSet, because I am using a Teradata driver that cannot handle that. I am trying to scroll through and, for example, making it so every 8 lines (where 1 item in each row is the same number) is ultimately compressed into 1 line (thus, all the data for ... |
4. Why Resultset's next is giving false coderanch.com |
5. ResultSet.next() returning false; should return true coderanch.com |
6. ResultSet.next() coderanch.comwhile( resultSet.next()) { // your code goes here } When a resultset is returned, the cursor is positioned before the first record. next() returns true if the next record was retrieved sucessfully. If the recordset is empty, your first call to next() will return false. next() only throws an exception if there is a database error, and an empty result set ... |
7. Difference between if(resultSet.next()) and while(resultSet.next()) coderanch.comnow coming back to your question: when would i use if(resultSet.next()) (a) To do something (only once) if the query returns atleast 1 row(s) (b) To do something to the first row only when would i use if(resultSet.next()) (a) To do something to every row returned by the query Hope this helps |
8. Control the loop of resultset.next( ); coderanch.com |
9. resultset.next() takes too much time coderanch.comHi, While analyzing the performance for my application i found that the calls to resultset.next() and sometimes resultset.getxxx() take too much time. i am aware of the following possible issues 1) fetch size - tried increasing it, no gain 2) use correct getters , ex for varchar2 use getString(), tried - no gain 3)its a normal iteration and all objects are ... |
10. Why Resultset's next is giving false coderanch.com |
11. problem with while loop when ResultSet.next() is called coderanch.comhello sir/friends, I am retrieving values from database using ResultSet.next() ... it already executed program in one system..now i am trying to combine all the modules in another system ..i have created the required database for the application and also compiled successfully...but when i click on submit button after entering the username and the password i am getting a blank page...the ... |
12. What hapens internally when i execute rs.next() or when I receive multiple resultsets? coderanch.comAs per the info. i got from Net, It depends on the driver implementation. It may go back to database and fetch the next row. Or all data may come and sit inside the Java memory as objects and can be served. I have questions on these too... If we go back and forth again and again, it is costly and ... |
13. Resultset.next() taking more time coderanch.com |
14. resultSet.next() behaviour coderanch.comHi Guys , i got a weird behaviour for resultSet.next() in line 16 .. here is the code : ResultSet rsMethod = pStat.executeQuery(); if (rsMethod.next() == false) // 1 { sherifutilObj.isNoRecords = true; new ReportDisplay().isNoRecords(sherifutilObj.isNoRecords); return; } else { new ReportDisplay().isNoRecords(sherifutilObj.isNoRecords=false); while (rsMethod.next()) // 2 ( the problem is here ) { sherifutilObj.vATMStatus_Seq.add(rsMethod.getString(1)); sherifutilObj.vATMStatus_date.add(rsMethod.getString(2)); sherifutilObj.vATMStatus_time.add(rsMethod.getString(3)); sherifutilObj.vATMStatus_computer.add(rsMethod.getString(4)); sherifutilObj.vATMStatus_port.add(rsMethod.getString(5)); sherifutilObj.vATMStatus_user.add(rsMethod.getString(6)); sherifutilObj.vATMStatus_message.add(rsMethod.getString(7)); sherifutilObj.vATMStatus_caller.add(rsMethod.getString(8)); records++; ... |
15. Strange behaviour of ResultSet next method coderanch.comHi all! In the following code rs.next() is returning false even when the row exist in the database. The sql query returning row in command line but returning false in code given below. Kindly tell me that where i am making mistake. public static Connection getConnection() throws Exception { String driver = "oracle.jdbc.driver.OracleDriver"; String url = "jdbc:oracle:thin:@localhost:1521:globldb3"; String username = "scott"; ... |
16. ResultSet next() returns false Yet Tuples Present java-forums.orgpublic boolean aunthenticate1(Connection conn,String username,String password) throws SQLException{ PreparedStatement st2 = null; try{ String uquery = "Select username,password from mjzeko.users where username= ? AND password= ? "; st2=conn.prepareStatement(uquery); st2.setString(1, username); st2.setString(2, password); st2.executeQuery(); ResultSet res =st2.getResultSet(); System.out.println("2222"); //boolean t=res.next(); System.out.print(res.getRow()); int count=0; while (res.next()){ System.out.print("res.getString(1)"); count++; System.out.print(count); } if(count > 0) return true; else { System.out.print(count); return false; } } catch(Exception ... |
17. resultset.next() = false ;; Can't Guess why.. please help. java-forums.orgJava Code: private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { if (!jTextField1.getText().equals("")) { Counter++; Connection connection = null; ResultSet rs1 = null, rs2 = null; PreparedStatement p_statement01 = null, p_statement02 = null, p_statement03 = null, p_statement04 = null; Statement statement = null; try { connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:Oracle9i", "rms", "stephen00.rms"); Timestamp sqlDate = new Timestamp(new java.util.Date().getTime()); p_statement01 = connection.prepareStatement("insert into rms_billstore( bill_date, bill_number, tin_number) values(?, ... |
18. ResultSet.next not called forums.oracle.com |
19. ResultSet next() vs first() forums.oracle.com |
20. where did the code implemented of next() method of ResultSet interface? forums.oracle.com |
21. strange behaviour of ResultSet methods: next() and getInt() forums.oracle.comIn the code below, rs is a ResultSet object. I get No data found error when I run this loop (intended to locate a record with a given id number): // loop through all records in the result set while (rs.next() && !found){ if (rs.getInt(1) == searchCustNo){ found = true; showFields(); return; } } However, when I add inthe loop: go ... |
22. Control the loop of resultset.next( ); (method) forums.oracle.comHai, guys I am using the ODBC database connection to (Excel Sheet) and i wanna get the records from it. My code is scucess but there is a problem in resultset.next() method. The thing is it retrieving all the data including the none data fields (null null), so finally it became a never ending loop. pls help me to get the ... |