Example usage for java.sql PreparedStatement close

List of usage examples for java.sql PreparedStatement close

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Introduction

In this page you can find the example usage for java.sql PreparedStatement close.

Prototype

void close() throws SQLException;

Source Link

Document

Releases this Statement object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.

Usage

From source file:DemoDisplayBlobFromDatabase.java

public static void main(String args[]) throws Exception {
    Connection conn = null;/*from   w ww.  ja  va  2  s.c  om*/
    ResultSet rs = null;
    PreparedStatement pstmt = null;
    String query = "SELECT blob_column FROM blob_table WHERE id = ?";

    try {
        conn = getConnection();
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0001");
        rs = pstmt.executeQuery();
        rs.next();
        // materialize binary data onto client
        java.sql.Blob blob = rs.getBlob(1);
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:DemoPreparedStatementSetURL.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    String urlValue = "http://www.java2s.com";
    Connection conn = null;/* ww w . j av  a  2  s .co  m*/
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        String query = "insert into url_table(id, url) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, id);
        pstmt.setURL(2, new java.net.URL(urlValue));
        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:jp.co.opentone.bsol.linkbinder.CorresponBodyUpdater.java

/**
 * @param args//from ww  w  .j  a va 2s  . com
 */
public static void main(String[] args) throws Exception {

    Connection con = getConnection();
    PreparedStatement stmt = null;
    boolean success = true;
    try {
        con.setAutoCommit(false);

        stmt = con.prepareStatement("UPDATE correspon SET body = ? WHERE id = ?");
        execute(stmt);

        success = true;
    } finally {
        if (success) {
            con.commit();
        } else {
            con.rollback();
        }

        if (stmt != null)
            stmt.close();
        con.close();
    }

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Connection dbConnection = null;
    PreparedStatement preparedStatement = null;
    Class.forName(DB_DRIVER);// ww  w .  j  av a 2  s .c  o  m
    dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD);
    String updateTableSQL = "UPDATE Person SET USERNAME = ? " + " WHERE USER_ID = ?";
    preparedStatement = dbConnection.prepareStatement(updateTableSQL);

    preparedStatement.setString(1, "newValue");
    preparedStatement.setInt(2, 1001);

    preparedStatement.executeUpdate();

    preparedStatement.executeUpdate();
    preparedStatement.close();
    dbConnection.close();

}

From source file:UpdateRecordsUsingPreparedStatement.java

public static void main(String[] args) throws Exception {
    Connection conn = null;//from   w w  w. j  a  va  2 s  .  co m
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        String query = "update dept set DEPT_LOC = ? where DEPT_NUM = ? ";
        pstmt = conn.prepareStatement(query); // create a statement
        pstmt.setString(1, "deptLocation"); // set input parameter 1
        pstmt.setInt(2, 1001); // set input parameter 2
        pstmt.executeUpdate(); // execute update statement
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:DemoPreparedStatementSetDate.java

public static void main(String[] args) throws Exception {
    Connection conn = null;//  w w  w .j a  va  2  s  .  com
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        String query = "insert into date_table(id, date_column) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0001");
        java.sql.Date date = getCurrentJavaSqlDate();
        pstmt.setDate(2, date);

        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String WRITE_OBJECT_SQL = "BEGIN " + "  INSERT INTO java_objects(object_id, object_name, object_value) "
            + "  VALUES (?, ?, empty_blob()) " + "  RETURN object_value INTO ?; " + "END;";
    String READ_OBJECT_SQL = "SELECT object_value FROM java_objects WHERE object_id = ?";

    Connection conn = getOracleConnection();
    conn.setAutoCommit(false);/*  ww w.j ava  2  s .c  o m*/
    List<Object> list = new ArrayList<Object>();
    list.add("This is a short string.");
    list.add(new Integer(1234));
    list.add(new java.util.Date());

    // write object to Oracle
    long id = 0001;
    String className = list.getClass().getName();
    CallableStatement cstmt = conn.prepareCall(WRITE_OBJECT_SQL);

    cstmt.setLong(1, id);
    cstmt.setString(2, className);

    cstmt.registerOutParameter(3, java.sql.Types.BLOB);

    cstmt.executeUpdate();
    BLOB blob = (BLOB) cstmt.getBlob(3);
    OutputStream os = blob.getBinaryOutputStream();
    ObjectOutputStream oop = new ObjectOutputStream(os);
    oop.writeObject(list);
    oop.flush();
    oop.close();
    os.close();

    // Read object from oracle
    PreparedStatement pstmt = conn.prepareStatement(READ_OBJECT_SQL);
    pstmt.setLong(1, id);
    ResultSet rs = pstmt.executeQuery();
    rs.next();
    InputStream is = rs.getBlob(1).getBinaryStream();
    ObjectInputStream oip = new ObjectInputStream(is);
    Object object = oip.readObject();
    className = object.getClass().getName();
    oip.close();
    is.close();
    rs.close();
    pstmt.close();
    conn.commit();

    // de-serialize list a java object from a given objectID
    List listFromDatabase = (List) object;
    System.out.println("[After De-Serialization] list=" + listFromDatabase);
    conn.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    float floatValue = 0001f;
    double doubleValue = 1.0001d;
    Connection conn = null;//from   w  ww  . j  a v a2 s.  c  om
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        String query = "insert into double_table(id, float_column, double_column) values(?, ?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, id);
        pstmt.setFloat(2, floatValue);
        pstmt.setDouble(3, doubleValue);
        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:DeliverWork.java

public static void main(String[] args) throws UnsupportedEncodingException, MessagingException {
    JdbcFactory jdbcFactoryChanye = new JdbcFactory(
            "jdbc:mysql://127.0.0.1:3306/fp_guimin?useUnicode=true&characterEncoding=UTF-8", "guimin_db",
            "guimin@98fhi3p2hUFHfdfoi", "com.mysql.jdbc.Driver");
    connection = jdbcFactoryChanye.getConnection();
    Map<String, String> map = new HashMap();

    try {/*from  w  w  w.j av a2s  . c  om*/
        PreparedStatement ps = connection.prepareStatement(selectAccount);
        ResultSet resultSet = ps.executeQuery();
        while (resultSet.next()) {
            map.put(resultSet.getString(1), resultSet.getString(2));
        }
        ps.close();
        map.forEach((k, v) -> {
            syncTheFile(k, v);
        });
        connection.close();
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

From source file:DemoDisplayBinaryDataFromDatabase.java

public static void main(String args[]) throws Exception {
    Connection conn = null;/* www .ja va2s  .co  m*/
    ResultSet rs = null;
    PreparedStatement pstmt = null;
    String query = "SELECT raw_column, long_raw_column FROM binary_table WHERE id = ?";
    try {
        conn = getConnection();
        Object[] results = new Object[2];
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0001");
        rs = pstmt.executeQuery();
        rs.next();
        // materialize binary data onto client
        results[0] = rs.getBytes("RAW_COLUMN");
        results[1] = rs.getBytes("LONG_RAW_COLUMN");
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}