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TestSetOracleObject.javaAPI DocExample4599Thu Jun 28 21:29:38 BST 2001None

TestSetOracleObject

public class TestSetOracleObject extends Object

Fields Summary
Connection
conn
Constructors Summary
public TestSetOracleObject()

  try {
   DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
   conn = DriverManager.getConnection(
    "jdbc:oracle:oci8:@dssw2k01", "scott", "tiger");
//    "jdbc:oracle:thin:@dssw2k01:1521:orcl", "scott", "tiger");
  }
  catch (SQLException e) {
   System.err.println(e.getMessage());
   e.printStackTrace();
  }
Methods Summary
protected voidfinalize()

  if (conn != null) { try { conn.close(); } catch (SQLException ignore) { } }
  super.finalize();
public static voidmain(java.lang.String[] args)

  new TestSetOracleObject().process();
public voidprocess()

  int               rows   = 0;
  ResultSet         rslt   = null;
  PreparedStatement pstmt  = null;
  String            insert = 
   "insert into person " + 
    "( person_id, last_name, first_name, " + 
    "middle_name, birth_date, mothers_maiden_name ) " + 
    "values " + 
    "( ?, ?, ?, ?, ?, ? )";
  String            update =
   "update person " + 
   "set    birth_date = ? " + 
   "where  person_id = ?";
  String            delete = 
   "delete person " + 
   "where  person_id = ?";
  String            select = 
   "select ?, first_name, last_name " + 
   "from   person " +
   "where  person_id = ? " + 
   "order by ?";
  try {
   System.out.println(insert);
   pstmt = conn.prepareStatement(insert);
   ((OraclePreparedStatement)pstmt).setOracleObject(1, new NUMBER(999999999));
   ((OraclePreparedStatement)pstmt).setOracleObject(2, new CHAR("Krishnamurti", CHAR.DEFAULT_CHARSET));
   ((OraclePreparedStatement)pstmt).setOracleObject(3, new CHAR("Jiddu", CHAR.DEFAULT_CHARSET));
   ((OraclePreparedStatement)pstmt).setNull(4, Types.VARCHAR);
   ((OraclePreparedStatement)pstmt).setOracleObject(5, new DATE(Date.valueOf("1895-01-01")));
   ((OraclePreparedStatement)pstmt).setOracleObject(6, new CHAR("Unknown", CHAR.DEFAULT_CHARSET));
   rows = ((OraclePreparedStatement)pstmt).executeUpdate();
   System.out.println(rows + " rows inserted");
   System.out.println("");
  }
  catch (SQLException e) {
   System.err.println(e.getMessage());
  }
  finally {
   if (pstmt != null) 
    try { ((OraclePreparedStatement)pstmt).close(); } catch (SQLException ignore) { }
  }

  try {
   System.out.println(update);
   pstmt = conn.prepareStatement(update);
   ((OraclePreparedStatement)pstmt).setOracleObject(1, new DATE(Date.valueOf("1895-05-12")));
   ((OraclePreparedStatement)pstmt).setOracleObject(2, new NUMBER(999999999));
   rows = ((OraclePreparedStatement)pstmt).executeUpdate();
   System.out.println(rows + " rows updated");
   System.out.println("");
  }
  catch (SQLException e) {
   System.err.println(e.getMessage());
  }
  finally {
   if (pstmt != null) 
    try { ((OraclePreparedStatement)pstmt).close(); } catch (SQLException ignore) { }
  }

  try {
   System.out.println(select);
   pstmt = conn.prepareStatement(select);
   ((OraclePreparedStatement)pstmt).setOracleObject(1, new CHAR("\"K\"", CHAR.DEFAULT_CHARSET));
   ((OraclePreparedStatement)pstmt).setOracleObject(2, new NUMBER(999999999));
   ((OraclePreparedStatement)pstmt).setOracleObject(3, new CHAR("1", CHAR.DEFAULT_CHARSET));
   rslt = ((OraclePreparedStatement)pstmt).executeQuery();
   rows = 0;
   while (rslt.next()) {
    rows++;
    System.out.print(rslt.getString(1) + " ");
    System.out.print(rslt.getString(2) + " ");
    System.out.println(rslt.getString(3));
   }
   System.out.println(rows + " rows selected");
   System.out.println("");
  }
  catch (SQLException e) {
   System.err.println(e.getMessage());
  }
  finally {
   if (rslt  != null) 
    try { rslt.close();  } catch (SQLException ignore) { }
   if (pstmt != null) 
    try { ((OraclePreparedStatement)pstmt).close(); } catch (SQLException ignore) { }
  }

  try {
   System.out.println(delete);
   pstmt = conn.prepareStatement(delete);
   ((OraclePreparedStatement)pstmt).setOracleObject(1, new NUMBER(999999999));
   rows = ((OraclePreparedStatement)pstmt).executeUpdate();
   System.out.println(rows + " rows deleted");
  }
  catch (SQLException e) {
   System.err.println(e.getMessage());
  }
  finally {
   if (pstmt != null) 
    try { ((OraclePreparedStatement)pstmt).close(); } catch (SQLException ignore) { }
  }