List of usage examples for java.sql Connection setAutoCommit
void setAutoCommit(boolean autoCommit) throws SQLException;
From source file:SetSavepoint.java
public static void main(String args[]) { String url = "jdbc:mySubprotocol:myDataSource"; try {/*from www.jav a 2 s.c o m*/ Class.forName("myDriver.className"); } catch (java.lang.ClassNotFoundException e) { System.err.print("ClassNotFoundException: "); System.err.println(e.getMessage()); } try { Connection con = DriverManager.getConnection(url, "myLogin", "myPassword"); con.setAutoCommit(false); String query = "SELECT COF_NAME, PRICE FROM COFFEES " + "WHERE TOTAL > ?"; String update = "UPDATE COFFEES SET PRICE = ? " + "WHERE COF_NAME = ?"; PreparedStatement getPrice = con.prepareStatement(query); PreparedStatement updatePrice = con.prepareStatement(update); getPrice.setInt(1, 7000); ResultSet rs = getPrice.executeQuery(); Savepoint save1 = con.setSavepoint(); while (rs.next()) { String cof = rs.getString("COF_NAME"); float oldPrice = rs.getFloat("PRICE"); float newPrice = oldPrice + (oldPrice * .05f); updatePrice.setFloat(1, newPrice); updatePrice.setString(2, cof); updatePrice.executeUpdate(); System.out.println("New price of " + cof + " is " + newPrice); if (newPrice > 11.99) { con.rollback(save1); } } getPrice = con.prepareStatement(query); updatePrice = con.prepareStatement(update); getPrice.setInt(1, 8000); rs = getPrice.executeQuery(); System.out.println(); Savepoint save2 = con.setSavepoint(); while (rs.next()) { String cof = rs.getString("COF_NAME"); float oldPrice = rs.getFloat("PRICE"); float newPrice = oldPrice + (oldPrice * .05f); updatePrice.setFloat(1, newPrice); updatePrice.setString(2, cof); updatePrice.executeUpdate(); System.out.println("New price of " + cof + " is " + newPrice); if (newPrice > 11.99) { con.rollback(save2); } } con.commit(); Statement stmt = con.createStatement(); rs = stmt.executeQuery("SELECT COF_NAME, " + "PRICE FROM COFFEES"); System.out.println(); while (rs.next()) { String name = rs.getString("COF_NAME"); float price = rs.getFloat("PRICE"); System.out.println("Current price of " + name + " is " + price); } con.close(); } catch (Exception e) { e.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection connection = null; try {/*from w ww . ja v a 2s .c o m*/ Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); connection = DriverManager.getConnection("jdbc:sqlserver://MYSERVER;databaseName=MYDATABASE", "USERID", "PASSWORD"); connection.setAutoCommit(false); Statement statement = connection.createStatement(); statement.executeUpdate("UPDATE Table1 SET Value = 1 WHERE Name = 'foo'"); statement.executeUpdate("UPDATE Table2 SET Value = 2 WHERE Name = 'bar'"); connection.commit(); } catch (SQLException ex) { connection.rollback(); } }
From source file:Main.java
public static void main(String[] args) throws Exception { String driver = "sun.jdbc.odbc.JdbcOdbcDriver"; Connection con; Statement stmt;/*from w ww .jav a 2 s .c o m*/ ResultSet rs; try { Class.forName(driver); con = DriverManager.getConnection("jdbc:odbc:databaseName", "student", "student"); // Start a transaction con.setAutoCommit(false); stmt = con.createStatement(); stmt.addBatch("UPDATE EMP SET JOB = 1"); // Submit the batch of commands for this statement to the database stmt.executeBatch(); // Commit the transaction con.commit(); // Close the existing to be safe before opening a new one stmt.close(); // Print out the Employees stmt = con.createStatement(); rs = stmt.executeQuery("SELECT * FROM EMP"); // Loop through and print the employee number, job, and hiredate while (rs.next()) { int id = rs.getInt("EMPNO"); int job = rs.getInt("JOB"); String hireDate = rs.getString("HIREDATE"); System.out.println(id + ":" + job + ":" + hireDate); } con.close(); } catch (SQLException ex) { ex.printStackTrace(); } }
From source file:InsertPictureToMySql.java
public static void main(String[] args) throws Exception, IOException, SQLException { Class.forName("org.gjt.mm.mysql.Driver"); Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/databaseName", "root", "root"); String INSERT_PICTURE = "insert into MyPictures(id, name, photo) values (?, ?, ?)"; FileInputStream fis = null;/*from w ww.ja v a 2 s . co m*/ PreparedStatement ps = null; try { conn.setAutoCommit(false); File file = new File("myPhoto.png"); fis = new FileInputStream(file); ps = conn.prepareStatement(INSERT_PICTURE); ps.setString(1, "001"); ps.setString(2, "name"); ps.setBinaryStream(3, fis, (int) file.length()); ps.executeUpdate(); conn.commit(); } finally { ps.close(); fis.close(); } }
From source file:TestBatchUpdate.java
public static void main(String args[]) { Connection conn = null; Statement stmt = null;/*from w ww . j ava2 s. c o m*/ ResultSet rs = null; try { conn = getConnection(); stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); conn.setAutoCommit(false); stmt.addBatch("INSERT INTO batch_table(id, name) VALUES('11', 'A')"); stmt.addBatch("INSERT INTO batch_table(id, name) VALUES('22', 'B')"); stmt.addBatch("INSERT INTO batch_table(id, name) VALUES('33', 'C')"); int[] updateCounts = stmt.executeBatch(); conn.commit(); rs = stmt.executeQuery("SELECT * FROM batch_table"); while (rs.next()) { String id = rs.getString("id"); String name = rs.getString("name"); System.out.println("id=" + id + " name=" + name); } } catch (BatchUpdateException b) { System.err.println("SQLException: " + b.getMessage()); System.err.println("SQLState: " + b.getSQLState()); System.err.println("Message: " + b.getMessage()); System.err.println("Vendor error code: " + b.getErrorCode()); System.err.print("Update counts: "); int[] updateCounts = b.getUpdateCounts(); for (int i = 0; i < updateCounts.length; i++) { System.err.print(updateCounts[i] + " "); } } catch (SQLException ex) { System.err.println("SQLException: " + ex.getMessage()); System.err.println("SQLState: " + ex.getSQLState()); System.err.println("Message: " + ex.getMessage()); System.err.println("Vendor error code: " + ex.getErrorCode()); } catch (Exception e) { System.err.println("Exception: " + e.getMessage()); } finally { try { rs.close(); stmt.close(); conn.close(); } catch (Exception ignore) { } } }
From source file:MainClass.java
public static void main(String[] args) { Connection connection = null; Statement statement = null;//from www . j ava 2 s .c o m try { Class.forName("org.hsqldb.jdbcDriver").newInstance(); String url = "jdbc:hsqldb:hsqldb\\demoDatabase"; connection = DriverManager.getConnection(url, "username", "password"); connection.setAutoCommit(false); statement = connection.createStatement(); String update1 = "UPDATE employees SET email = 'a@b.com' WHERE email = 'a@a.com'"; statement.executeUpdate(update1); Savepoint savepoint1 = connection.setSavepoint("savepoint1"); String update2 = "UPDATE employees SET email = 'b@b.com' WHERE email = 'b@c.com'"; statement.executeUpdate(update2); Savepoint savepoint2 = connection.setSavepoint("savepoint2"); String update3 = "UPDATE employees SET email = 'c@c.com' WHERE email = 'c@d.com'"; statement.executeUpdate(update3); Savepoint savepoint3 = connection.setSavepoint("savepoint3"); String update4 = "UPDATE employees SET email = 'd@d.com' WHERE email = 'd@e.com'"; statement.executeUpdate(update4); Savepoint savepoint4 = connection.setSavepoint("savepoint4"); String update5 = "UPDATE employees SET email = 'e@e.com' WHERE email = 'e@f.com'"; statement.executeUpdate(update5); Savepoint savepoint5 = connection.setSavepoint("savepoint5"); connection.rollback(savepoint3); connection.commit(); } catch (Exception e) { e.printStackTrace(); } finally { if (statement != null) { try { statement.close(); } catch (SQLException e) { } // nothing we can do } if (connection != null) { try { connection.close(); } catch (SQLException e) { } // nothing we can do } } }
From source file:Main.java
public static void main(String[] args) throws Exception { Class.forName("org.apache.derby.jdbc.ClientDriver"); Connection con = DriverManager.getConnection("jdbc:derby://localhost:1527/testDb", "name", "pass"); Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); String insertEmp1 = "insert into emp values(10,'A','trainee')"; String insertEmp2 = "insert into emp values(11,'B','trainee')"; String insertEmp3 = "insert into emp values(12,'C','trainee')"; con.setAutoCommit(false); stmt.addBatch(insertEmp1);/*from w w w . ja v a 2 s . co m*/ stmt.addBatch(insertEmp2); stmt.addBatch(insertEmp3); ResultSet rs = stmt.executeQuery("select * from emp"); rs.last(); System.out.println("rows before batch execution= " + rs.getRow()); stmt.executeBatch(); con.commit(); System.out.println("Batch executed"); rs = stmt.executeQuery("select * from emp"); rs.last(); System.out.println("rows after batch execution= " + rs.getRow()); }
From source file:DemoPreparedStatementSetCharacterStream.java
public static void main(String[] args) throws Exception { String fileName = "charDataFile.txt"; Reader fileReader = null;/*ww w. j a va2 s . co m*/ long fileLength = 0; Connection conn = null; PreparedStatement pstmt = null; try { File file = new File(fileName); fileLength = file.length(); fileReader = (Reader) new BufferedReader(new FileReader(file)); System.out.println("fileName=" + fileName); System.out.println("fileLength=" + fileLength); conn = getConnection(); // begin transaction conn.setAutoCommit(false); // prepare SQL query for inserting a new row using SetCharacterStream() String query = "insert into char_stream_table (id, char_stream_column) values(?, ?)"; // create PrepareStatement object pstmt = conn.prepareStatement(query); pstmt.setString(1, fileName); pstmt.setCharacterStream(2, fileReader, (int) fileLength); // execute query, and return number of rows created int rowCount = pstmt.executeUpdate(); System.out.println("rowCount=" + rowCount); // end transaction conn.commit(); } finally { pstmt.close(); conn.close(); } }
From source file:Main.java
public static void main(String[] argv) throws Exception { Connection dbConnection = null; PreparedStatement preparedStatement = null; Class.forName(DB_DRIVER);//from w ww .java 2 s . com dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD); String insertTableSQL = "INSERT INTO Person" + "(USER_ID, USERNAME, CREATED_BY, CREATED_DATE) VALUES" + "(?,?,?,?)"; preparedStatement = dbConnection.prepareStatement(insertTableSQL); dbConnection.setAutoCommit(false); java.util.Date today = new java.util.Date(); preparedStatement.setInt(1, 101); preparedStatement.setString(2, "101"); preparedStatement.setString(3, "system"); preparedStatement.setTimestamp(4, new java.sql.Timestamp(today.getTime())); preparedStatement.addBatch(); preparedStatement.setInt(1, 102); preparedStatement.setString(2, "102"); preparedStatement.setString(3, "system"); preparedStatement.setTimestamp(4, new java.sql.Timestamp(today.getTime())); preparedStatement.addBatch(); preparedStatement.setInt(1, 103); preparedStatement.setString(2, "103"); preparedStatement.setString(3, "system"); preparedStatement.setTimestamp(4, new java.sql.Timestamp(today.getTime())); preparedStatement.addBatch(); preparedStatement.executeBatch(); dbConnection.commit(); preparedStatement.close(); dbConnection.close(); }
From source file:Main.java
public static void main(String[] args) { Connection conn = null; Statement stmt = null;/* w ww .j av a 2s.co m*/ boolean executeResult; try { String driver = "oracle.jdbc.driver.OracleDriver"; Class.forName(driver).newInstance(); System.out.println("Connecting to database..."); String jdbcUrl = "jdbc:oracle:thin:@localhost:1521:ORCL"; conn = DriverManager.getConnection(jdbcUrl, "yourName", "mypwd"); stmt = conn.createStatement(); conn.setAutoCommit(false); if (!conn.getAutoCommit()) System.out.println("Auto-commit is set to false"); String sql = "INSERT INTO Location VALUES(715,'Houston')"; stmt.executeUpdate(sql); sql = "INSERT INTO Employees VALUES" + "(8,'K','4351',{d '2000-02-00'},715)"; stmt.executeUpdate(sql); conn.commit(); } catch (SQLException se) { String msg = se.getMessage(); msg = "SQLException occured with message: " + msg; System.out.println(msg); System.out.println("Starting rollback operations..."); try { conn.rollback(); } catch (SQLException se2) { se2.printStackTrace(); } } catch (Exception e) { e.printStackTrace(); } }