Example usage for java.sql Connection createStatement

List of usage examples for java.sql Connection createStatement

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Introduction

In this page you can find the example usage for java.sql Connection createStatement.

Prototype

Statement createStatement() throws SQLException;

Source Link

Document

Creates a Statement object for sending SQL statements to the database.

Usage

From source file:JDBCPool.dbcp.demo.offical.PoolingDriverExample.java

public static void main(String[] args) {

    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers system property.
    System.out.println("Loading underlying JDBC driver.");
    try {//from   w  ww  .j  av  a 2s .  c  o  m
        Class.forName("com.cloudera.impala.jdbc4.Driver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by an external configuration, but in this example we'll do it manually.
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        while (rset.next()) {
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:mx.com.pixup.portal.demo.DemoDisqueraDelete.java

public static void main(String[] args) {
    System.out.println("BIENVENIDO A PIXUP");
    System.out.println("Mantenimiento catlogo disquera");
    System.out.println("Inserte el nombre de la disquera a eliminar: ");

    InputStreamReader isr = new InputStreamReader(System.in);
    BufferedReader br = new BufferedReader(isr);
    Connection connection = null;
    Statement statement = null;/*  w w  w . j a  va  2 s .  c  om*/
    try {
        String nombreDisquera = br.readLine();
        BasicDataSource dataSource = new BasicDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUsername("root");
        dataSource.setPassword("admin");
        dataSource.setUrl("jdbc:mysql://127.0.0.1:3306/pixup");

        connection = dataSource.getConnection();
        statement = connection.createStatement();

        String sql = "delete from disquera where nombre = '" + nombreDisquera + "'";

        statement.execute(sql);

        System.out.println("Disquera: " + nombreDisquera + " eliminada con xito");

    } catch (Exception e) {
        System.out.println("Error en el sistema, intente ms tarde!!");
    } finally {
        if (statement != null) {
            try {
                statement.close();
            } catch (Exception e) {
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception e) {
            }
        }
    }
}

From source file:PrintColumns.java

public static void main(String args[]) {

    String url = "jdbc:mySubprotocol:myDataSource";
    Connection con;
    String query = "select * from COFFEES";
    Statement stmt;// w w  w. j av a2 s. c om

    try {
        Class.forName("myDriver.ClassName");

    } catch (java.lang.ClassNotFoundException e) {
        System.err.print("ClassNotFoundException: ");
        System.err.println(e.getMessage());
    }

    try {
        con = DriverManager.getConnection(url, "myLogin", "myPassword");

        stmt = con.createStatement();

        ResultSet rs = stmt.executeQuery(query);
        ResultSetMetaData rsmd = rs.getMetaData();

        PrintColumnTypes.printColTypes(rsmd);
        System.out.println("");

        int numberOfColumns = rsmd.getColumnCount();

        for (int i = 1; i <= numberOfColumns; i++) {
            if (i > 1)
                System.out.print(",  ");
            String columnName = rsmd.getColumnName(i);
            System.out.print(columnName);
        }
        System.out.println("");

        while (rs.next()) {
            for (int i = 1; i <= numberOfColumns; i++) {
                if (i > 1)
                    System.out.print(",  ");
                String columnValue = rs.getString(i);
                System.out.print(columnValue);
            }
            System.out.println("");
        }

        stmt.close();
        con.close();
    } catch (SQLException ex) {
        System.err.print("SQLException: ");
        System.err.println(ex.getMessage());
    }
}

From source file:mx.com.pixup.portal.demo.DemoDisqueraSelect.java

public static void main(String[] args) {
    System.out.println("BIENVENIDO A PIXUP");
    System.out.println("Mantenimiento catlogo disquera");
    System.out.println("Listado de disqueras");

    Connection connection = null;
    Statement statement = null;//  w  ww. j a v a 2 s .c o m
    ResultSet resultSet = null;
    try {
        BasicDataSource dataSource = new BasicDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUsername("root");
        dataSource.setPassword("admin");
        dataSource.setUrl("jdbc:mysql://127.0.0.1:3306/pixup");

        connection = dataSource.getConnection();
        statement = connection.createStatement();

        String sql = "select * from disquera order by nombre desc";

        resultSet = statement.executeQuery(sql);

        System.out.println("ID: \t NOMBRE:");
        while (resultSet.next()) {
            Integer id = resultSet.getInt(1);
            String nombre = resultSet.getString(2);
            System.out.println(id + " \t " + nombre);
        }

    } catch (Exception e) {
        System.out.println("Error en el sistema, intente ms tarde!!" + e.getMessage());
    } finally {
        if (resultSet != null) {
            try {
                resultSet.close();
            } catch (Exception e) {
            }
        }
        if (statement != null) {
            try {
                statement.close();
            } catch (Exception e) {
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception e) {
            }
        }
    }
}

From source file:BatchUpdate.java

public static void main(String args[]) throws SQLException {

    ResultSet rs = null;/*from  w w  w.  j  a va  2 s. c  om*/
    PreparedStatement ps = null;

    String url = "jdbc:mySubprotocol:myDataSource";

    Connection con;
    Statement stmt;
    try {

        Class.forName("myDriver.ClassName");

    } catch (java.lang.ClassNotFoundException e) {
        System.err.print("ClassNotFoundException: ");
        System.err.println(e.getMessage());
    }

    try {

        con = DriverManager.getConnection(url, "myLogin", "myPassword");
        con.setAutoCommit(false);

        stmt = con.createStatement();

        stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Amaretto', 49, 9.99, 0, 0)");
        stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Hazelnut', 49, 9.99, 0, 0)");
        stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Amaretto_decaf', 49, 10.99, 0, 0)");
        stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Hazelnut_decaf', 49, 10.99, 0, 0)");

        int[] updateCounts = stmt.executeBatch();
        con.commit();
        con.setAutoCommit(true);

        ResultSet uprs = stmt.executeQuery("SELECT * FROM COFFEES");

        System.out.println("Table COFFEES after insertion:");
        while (uprs.next()) {
            String name = uprs.getString("COF_NAME");
            int id = uprs.getInt("SUP_ID");
            float price = uprs.getFloat("PRICE");
            int sales = uprs.getInt("SALES");
            int total = uprs.getInt("TOTAL");
            System.out.print(name + "   " + id + "   " + price);
            System.out.println("   " + sales + "   " + total);
        }

        uprs.close();
        stmt.close();
        con.close();

    } catch (BatchUpdateException b) {
        System.err.println("-----BatchUpdateException-----");
        System.err.println("SQLState:  " + b.getSQLState());
        System.err.println("Message:  " + b.getMessage());
        System.err.println("Vendor:  " + b.getErrorCode());
        System.err.print("Update counts:  ");
        int[] updateCounts = b.getUpdateCounts();
        for (int i = 0; i < updateCounts.length; i++) {
            System.err.print(updateCounts[i] + "   ");
        }
        System.err.println("");

    } catch (SQLException ex) {
        System.err.println("-----SQLException-----");
        System.err.println("SQLState:  " + ex.getSQLState());
        System.err.println("Message:  " + ex.getMessage());
        System.err.println("Vendor:  " + ex.getErrorCode());
    }
}

From source file:ExecSQL.java

public static void main(String args[]) {
        try {//from  ww  w.j a v  a  2 s . c  om
            Scanner in;
            if (args.length == 0)
                in = new Scanner(System.in);
            else
                in = new Scanner(new File(args[0]));

            Connection conn = getConnection();
            try {
                Statement stat = conn.createStatement();

                while (true) {
                    if (args.length == 0)
                        System.out.println("Enter command or EXIT to exit:");

                    if (!in.hasNextLine())
                        return;

                    String line = in.nextLine();
                    if (line.equalsIgnoreCase("EXIT"))
                        return;
                    if (line.trim().endsWith(";")) // remove trailing semicolon
                    {
                        line = line.trim();
                        line = line.substring(0, line.length() - 1);
                    }
                    try {
                        boolean hasResultSet = stat.execute(line);
                        if (hasResultSet)
                            showResultSet(stat);
                    } catch (SQLException ex) {
                        for (Throwable e : ex)
                            e.printStackTrace();
                    }
                }
            } finally {
                conn.close();
            }
        } catch (SQLException e) {
            for (Throwable t : e)
                t.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

From source file:PoolingDriverExample.java

public static void main(String[] args) {
    ////from   ww w .  jav a2 s  .co m
    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers
    // system property.
    //
    System.out.println("Loading underlying JDBC driver.");
    try {
        Class.forName("org.h2.Driver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by
    // an external configuration, but in this example we'll
    // do it manually.
    //
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        while (rset.next()) {
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:ManualPoolingDriverExample.java

public static void main(String[] args) {
    //// w w w . ja  v  a2s  .  c o  m
    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers
    // system property.
    //
    System.out.println("Loading underlying JDBC driver.");
    try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by
    // an external configuration, but in this example we'll
    // do it manually.
    //
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        while (rset.next()) {
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:edu.clemson.cs.nestbed.server.tools.BuildTestbed.java

public static void main(String[] args) {
    try {//from w  w w .ja  v a  2  s. c om
        BasicConfigurator.configure();
        //loadProperties();

        if (args.length < 2) {
            System.out.println("Usage: BuildTestbed <testbedID> <inputfile>");
            System.exit(0);
        }

        int testbedID = Integer.parseInt(args[0]);
        String filename = args[1];
        Connection conn = null;
        Statement statement = null;
        MoteSqlAdapter adapter = new MoteSqlAdapter();
        Map<Integer, Mote> motes = adapter.readMotes();

        log.info(motes);

        String connStr = System.getProperty("nestbed.options.databaseConnectionString");
        log.info("connStr: " + connStr);

        conn = DriverManager.getConnection(connStr);
        statement = conn.createStatement();

        BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));

        String line;
        while ((line = in.readLine()) != null) {
            StringTokenizer tokenizer = new StringTokenizer(line);
            int address = Integer.parseInt(tokenizer.nextToken());
            String serial = tokenizer.nextToken();
            int xLoc = Integer.parseInt(tokenizer.nextToken());
            int yLoc = Integer.parseInt(tokenizer.nextToken());

            log.info("Input Mote:\n" + "-----------\n" + "address:  " + address + "\n" + "serial:   " + serial
                    + "\n" + "xLoc:     " + xLoc + "\n" + "yLoc:     " + yLoc);

            for (Mote i : motes.values()) {
                if (i.getMoteSerialID().equals(serial)) {
                    String query = "INSERT INTO MoteTestbedAssignments" + "(testbedID, moteID, moteAddress,"
                            + " moteLocationX, moteLocationY) VALUES (" + testbedID + ", " + i.getID() + ", "
                            + address + ", " + xLoc + ", " + yLoc + ")";
                    log.info(query);
                    statement.executeUpdate(query);
                }
            }
        }
        conn.commit();
    } catch (Exception ex) {
        log.error("Exception in main", ex);
    }
}

From source file:UpdateLogic.java

public static void main(String args[]) {
    Connection con = null;

    if (args.length != 2) {
        System.out.println("Syntax: <java UpdateLogic [number] [string]>");
        return;/*w ww .  j a v  a  2  s .  c om*/
    }
    try {
        String driver = "com.imaginary.sql.msql.MsqlDriver";

        Class.forName(driver).newInstance();
        String url = "jdbc:msql://carthage.imaginary.com/ora";
        Statement s;

        con = DriverManager.getConnection(url, "borg", "");
        con.setAutoCommit(false); // make sure auto commit is off!
        s = con.createStatement();// create the first statement
        s.executeUpdate("INSERT INTO test (test_id, test_val) " + "VALUES(" + args[0] + ", '" + args[1] + "')");
        s.close(); // close the first statement
        s = con.createStatement(); // create the second statement
        s.executeUpdate("INSERT into test_desc (test_id, test_desc) " + "VALUES(" + args[0]
                + ", 'This describes the test.')");
        con.commit(); // commit the two statements
        System.out.println("Insert succeeded.");
        s.close(); // close the second statement
    } catch (Exception e) {
        if (con != null) {
            try {
                con.rollback();
            } // rollback on error
            catch (SQLException e2) {
            }
        }
        e.printStackTrace();
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}