import java.io.*;
import java.math.*;
import java.sql.*;
import java.sql.Date;
import java.util.*;

import javax.naming.*;
import javax.sql.*;

public class MyRowSet implements RowSet, Serializable {
  private static final int TRANSACTION_UNKNOWN = -1;
  private String dataSourceName = null;
  private Properties properties = null;
  private String url = null;
  private String username = null;
  private String password = null;
  private int transactionIsolation = MyRowSet.TRANSACTION_UNKNOWN;
  private int queryTimeout = 0; // seconds
  private int maxFieldSize = 0;
  private int maxRows = 0;
  private boolean readOnly = true;
  private Map typemap = null;

  private Vector listeners = new Vector();

  private boolean escapeProcessing = false;
  private String   command = null;
  private Object[] param_obj_array = null;
  private int[]    param_type_array = null;

  private ArrayList rows = null;
  private int index = 0;
  private boolean last_null = false;
  private int resultSetType = ResultSet.TYPE_FORWARD_ONLY;
  private int resultSetConcurrency = ResultSet.CONCUR_READ_ONLY;
  private int fetchDirection = ResultSet.FETCH_UNKNOWN;
  private int fetchSize = 0;
  private ResultSetMetaData rs_meta = null;
  private Hashtable columnName = null;
  private Hashtable columnFullName = null;

  private boolean onetable = true;
  private Vector pk_cols = null;
  private Object[] update_obj_array = null;
  private int[] update_type_array = null;
  private boolean insertmode = false;
  private transient Connection updater = null;

  public String getDataSourceName() {
    return dataSourceName;
  }
  public void setDataSourceName(String name) throws java.sql.SQLException {
    dataSourceName = name;
  }
  public Properties getProperties() {
    return properties;
  }
  public void setProperties(Properties prop) throws java.sql.SQLException {
    properties = prop;
  }
  public String getUrl() throws java.sql.SQLException {
    return url;
  }
  public void setUrl(String url) throws java.sql.SQLException {
    this.url = url;
  }
  public String getUsername() {
    return username;
  }
  public void setUsername(String name) throws java.sql.SQLException {
    username = name;
  }
  public String getPassword() {
    return password;
  }
  public void setPassword(String password) throws java.sql.SQLException {
    this.password = password;
  }
  public int getTransactionIsolation() {
    return transactionIsolation;
  }
  public void setTransactionIsolation(int level) throws java.sql.SQLException {
    transactionIsolation = level;
  }
  public int getQueryTimeout() throws java.sql.SQLException {
    return queryTimeout;
  }
  public void setQueryTimeout(int seconds) throws java.sql.SQLException {
    queryTimeout = seconds;
  }
  public void setConcurrency(int concurrency) throws java.sql.SQLException {
    resultSetConcurrency = concurrency;
  }
  public void setType(int type) throws java.sql.SQLException {
    resultSetType = type;
  }
  public int getMaxFieldSize() throws java.sql.SQLException {
    return maxFieldSize;
  }
  public void setMaxFieldSize(int max) throws java.sql.SQLException {
    maxFieldSize = max;
  }
  public int getMaxRows() throws java.sql.SQLException {
    return maxRows;
  }
  public void setMaxRows(int max) throws java.sql.SQLException {
    maxRows = max;
  }
  public boolean isReadOnly() {
    return readOnly;
  }
  public void setReadOnly(boolean value) throws java.sql.SQLException {
    readOnly = value;
  }
  public Map getTypeMap() throws java.sql.SQLException {
    return typemap;
  }
  public void setTypeMap(Map map) throws java.sql.SQLException {
    typemap = map;
  }

  public void addRowSetListener(RowSetListener listener) {
    listeners.add(listener);
  }
  public void removeRowSetListener(RowSetListener listener) {
    listeners.remove(listener);
  }

  public boolean getEscapeProcessing() throws java.sql.SQLException {
    return escapeProcessing;
  }
  public void setEscapeProcessing(boolean enable) throws java.sql.SQLException {
    if( enable )
      throw new SQLException("mysql does not support setEscapeProcessing(true).");
    escapeProcessing = enable;
  }
  public String getCommand() {
    return command;
  }
  public void setCommand(String cmd) throws java.sql.SQLException {
    command = cmd;

    int param_count = 0;
    StringTokenizer t_str = new StringTokenizer(command, "?", true);
    while(t_str.hasMoreTokens())
    {
      String token = t_str.nextToken();
      if( token.equals("?") )
        param_count++;
    }
    param_obj_array  = new Object[param_count];
    param_type_array = new int[param_count];
    int i;
    for(i = 0; i < param_obj_array.length; i++)
      param_obj_array[i]  = null;
    for(i = 0; i < param_type_array.length; i++)
      param_type_array[i] = Types.NULL;
  }

  public void clearParameters() throws java.sql.SQLException {
    if( param_obj_array  != null &&
        param_type_array != null )
    {
      int i;
      for(i = 0; i < param_obj_array.length; i++)
        param_obj_array[i]  = null;
      for(i = 0; i < param_type_array.length; i++)
        param_type_array[i] = Types.NULL;
    }
    else
    {
      throw new SQLException("mysql error : clearParameters(), no parameter.");
    }
  }

  private Connection getConnection() throws java.sql.SQLException {
    if( dataSourceName != null )
    {
      try {
        Context ctx = null;
        if( properties != null )
          ctx = new InitialContext(properties);
        else
          ctx = new InitialContext();
        Object ref = ctx.lookup(dataSourceName);
        if( ref == null )
          throw new SQLException("Invalid DataSource Object!! : " + "null");
        if( ref instanceof DataSource )
        {
          DataSource ds = (DataSource)ref;
          if( username != null && password != null )
            return ds.getConnection(username, password);
          else
            return ds.getConnection();
        }
        else if( ref instanceof ConnectionPoolDataSource )
        {
          ConnectionPoolDataSource cpds = (ConnectionPoolDataSource)ref;
          if( username != null && password != null )
            return cpds.getPooledConnection(username, password).getConnection();
          else
            return cpds.getPooledConnection().getConnection();
        }
        else if( ref instanceof XADataSource )
        {
          XADataSource xads = (XADataSource)ref;
          if( username != null && password != null )
            return xads.getXAConnection(username, password).getConnection();
          else
            return xads.getXAConnection().getConnection();
        }
        else
        {
          throw new SQLException("Invalid DataSource Object!! : " + ref.toString());
        }
      }
      catch(Exception ex) {
        throw new SQLException(ex.getMessage());
      }
    }

    if( url != null )
    {
      if( username != null && password != null )
      {
        return DriverManager.getConnection(url, username, password);
      }
      else
      {
        if( properties != null )
          return DriverManager.getConnection(url, properties);
        else
          return DriverManager.getConnection(url);
      }
    }

    return null;
  }

  private void prepareSQLStatement(PreparedStatement stmt) throws java.sql.SQLException {
    for(int i = 1; i <= param_obj_array.length; i++)
    {
      stmt.setObject(i, param_obj_array[i-1], param_type_array[i-1]);
    }
  }

  private void buildResultSet(ResultSet rs) throws java.sql.SQLException {
    resultSetType        = rs.getType();
    resultSetConcurrency = rs.getConcurrency();

    rs_meta = rs.getMetaData();
    int colnum = rs_meta.getColumnCount();
    columnName = new Hashtable();
    columnFullName = new Hashtable();
    for(int i = 1; i <= colnum; i++)
    {
      String colname = rs_meta.getColumnName(i);
      String colfull = rs_meta.getTableName(i) + "."+ colname;
      Integer colno = new Integer(i-1);
      columnName.put(colname, colno);
      columnFullName.put(colfull, colno);
    }

    int rowcount = 0;
    rows = new ArrayList();
    while( rs.next() )
    {
      ArrayList vecrow = new ArrayList(colnum);
      for(int i = 1; i <= colnum; i++)
      {
        Object obj = rs.getObject(i);
        if( rs.wasNull() )
          obj = null;
        vecrow.add(obj);
      }
      rows.add(vecrow);
      rowcount++;
      if( maxRows != 0 && rowcount >= maxRows )
        break;
    }
  }

  private void initialUpdaters(ResultSet rs) throws java.sql.SQLException {
    if( rs.getConcurrency() == ResultSet.CONCUR_UPDATABLE )
    {
      ResultSetMetaData meta = rs.getMetaData();
      int colnum = meta.getColumnCount();
      if( colnum >= 2 )
      {
        String tablename = meta.getTableName(1);
        for(int i = 2; i <= colnum; i++)
        {
          if( !tablename.equals(meta.getTableName(i)) )
          {
            onetable = false;
            break;
          }
        }
      }
      Connection conn = rs.getStatement().getConnection();
      if( colnum >= 1 )
      {
        ResultSet primarykeys = conn.getMetaData().getPrimaryKeys("", "", meta.getTableName(1));
        pk_cols = new Vector();
        try {
          while(primarykeys.next())
          {
            String colname = primarykeys.getString("COLUMN_NAME");
            for(int i = 1; i <= colnum; i++)
            {
              String temp_colname = meta.getColumnName(i);
              if( colname.equalsIgnoreCase(temp_colname) )
              {
                pk_cols.addElement(temp_colname);
                break;
              }
            }
          }
        }
        finally {
          if( primarykeys != null )
          {
            try { primarykeys.close(); }
            catch (Exception ex) { }
            primarykeys = null;
          }
        }
      }
      update_obj_array  = new Object[colnum];
      update_type_array = new int[colnum];
    }
  }

  public void execute() throws java.sql.SQLException {
    Connection conn = null;
    PreparedStatement stmt = null;
    ResultSet rs = null;
    try {
      conn = getConnection();
      if( transactionIsolation != MyRowSet.TRANSACTION_UNKNOWN )
        conn.setTransactionIsolation(transactionIsolation);
      conn.setReadOnly(readOnly);
      conn.setTypeMap(typemap);

      stmt = conn.prepareStatement(command, resultSetType, resultSetConcurrency);
//    stmt.setEscapeProcessing(escapeProcessing);
      stmt.setFetchDirection(fetchDirection);
      stmt.setFetchSize(fetchSize);
      stmt.setMaxFieldSize(maxFieldSize);
      stmt.setMaxRows(maxRows);
      stmt.setQueryTimeout(queryTimeout);
      prepareSQLStatement(stmt);
      rs = stmt.executeQuery();

      buildResultSet(rs);
      initialUpdaters(rs);
    }
    finally {
      if( rs != null )
      {
        try {
          rs.close();
        }
        catch(Exception ex){}
      }
      if( stmt != null )
      {
        try {
          stmt.close();
        }
        catch(Exception ex){}
      }
      if( conn != null )
      {
        try {
          conn.close();
        }
        catch(Exception ex){}
      }
    }
  }

  public void setNull(int parameterIndex, int sqlType) throws java.sql.SQLException {
    setObject(parameterIndex, null, sqlType);
  }
  public void setBoolean(int parameterIndex, boolean x) throws java.sql.SQLException {
    throw new SQLException("mysql does not support setBoolean(int, boolean).");
  }
  public void setByte(int parameterIndex, byte x) throws java.sql.SQLException {
    Byte obj = new Byte(x);
    setObject(parameterIndex, obj, Types.TINYINT);
  }
  public void setShort(int parameterIndex, short x) throws java.sql.SQLException {
    Short obj = new Short(x);
    setObject(parameterIndex, obj, Types.SMALLINT);
  }
  public void setInt(int parameterIndex, int x) throws java.sql.SQLException {
    Integer obj = new Integer(x);
    setObject(parameterIndex, obj, Types.INTEGER);
  }
  public void setLong(int parameterIndex, long x) throws java.sql.SQLException {
    Long obj = new Long(x);
    setObject(parameterIndex, obj, Types.BIGINT);
  }
  public void setFloat(int parameterIndex, float x) throws java.sql.SQLException {
    Float obj = new Float(x);
    setObject(parameterIndex, obj, Types.FLOAT);
  }
  public void setDouble(int parameterIndex, double x) throws java.sql.SQLException {
    Double obj = new Double(x);
    setObject(parameterIndex, obj, Types.DOUBLE);
  }
  public void setBigDecimal(int parameterIndex, BigDecimal x) throws java.sql.SQLException {
    setObject(parameterIndex, x, Types.DECIMAL);
  }
  public void setString(int parameterIndex, String x) throws java.sql.SQLException {
    setObject(parameterIndex, x, Types.VARCHAR);
  }
  public void setBytes(int parameterIndex, byte[] x) throws java.sql.SQLException {
    setObject(parameterIndex, x, Types.VARBINARY);
  }
  public void setDate(int parameterIndex, Date x) throws java.sql.SQLException {
    // ex. '1999-02-14'
    setObject(parameterIndex, x, Types.DATE);
  }
  public void setTime(int parameterIndex, Time x) throws java.sql.SQLException {
    // ex. '12:34:56'
    setObject(parameterIndex, x, Types.TIME);
  }
  public void setTimestamp(int parameterIndex, Timestamp x) throws java.sql.SQLException {
    // ex. '1999-02-14 12:34:56'
    setObject(parameterIndex, x, Types.TIMESTAMP);
  }
  public void setAsciiStream(int parameterIndex, InputStream x, int length) throws java.sql.SQLException {
    throw new SQLException("mysql does not support setAsciiStream(int, InputStream, int).");
  }
  public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws java.sql.SQLException {
    throw new SQLException("mysql does not support setUnicodeStream(int, InputStream, int).");
  }
  public void setBinaryStream(int parameterIndex, InputStream x, int length) throws java.sql.SQLException {
    setObject(parameterIndex, new MyPreparedObject(x, length), Types.LONGVARBINARY);
  }
  public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws java.sql.SQLException {
    setObject(parameterIndex, x, targetSqlType);
  }
  public void setObject(int parameterIndex, Object x, int targetSqlType) throws java.sql.SQLException {
    if( param_obj_array  != null &&
        param_type_array != null )
    {
      if( parameterIndex <= param_obj_array.length  &&
          parameterIndex <= param_type_array.length )
      {
        param_obj_array[parameterIndex-1]  = x;
        if( (x instanceof byte[]) && (targetSqlType != Types.VARBINARY) )
          targetSqlType = Types.VARBINARY;
        if( (x instanceof InputStream) && (targetSqlType != Types.LONGVARBINARY) )
          targetSqlType = Types.LONGVARBINARY;
        param_type_array[parameterIndex-1] = targetSqlType;
        return;
      }
    }
    throw new SQLException("PreparedStatement Error : setObject(int, Object, int).");
  }
  public void setObject(int parameterIndex, Object x) throws java.sql.SQLException {
    throw new SQLException("mysql does not support setObject(int, Object).");
  }

  // for JDBC2.0 java.sql.ResultSet
  public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
    throw new SQLException("mysql does not support setCharacterStream(int, Reader, int).");
  }
  public void setRef(int i, Ref x) throws SQLException {
    throw new SQLException("mysql does not support setRef(int, Ref).");
  }
  public void setBlob(int i, Blob x) throws SQLException {
    setBinaryStream(i, x.getBinaryStream(), (int)x.length());
  }
  public void setClob(int i, Clob x) throws SQLException {
    throw new SQLException("mysql does not support setClob(int, Clob).");
  }
  public void setArray(int i, Array x) throws SQLException {
    throw new SQLException("mysql does not support setArray(int, Array).");
  }
  public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
    // ex. '1999-02-14'
    setObject(parameterIndex, x, Types.DATE);
  }
  public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
    // ex. '12:34:56'
    setObject(parameterIndex, x, Types.TIME);
  }
  public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
    // ex. '1999-02-14 12:34:56'
    setObject(parameterIndex, x, Types.TIMESTAMP);
  }
  public void setNull(int paramIndex, int sqlType, String typeName) throws SQLException {
    throw new SQLException("mysql does not support setNull(int, int, String).");
  }

  // for JDBC2.0 java.sql.ResultSet
  public boolean next() throws SQLException {
    int row_count = rows.size();
    if( index + 1 <= row_count )
    {
      index++;
      notifyCursorMoved();
      return true;
    }
    return false;
  }
  public void close() throws SQLException {
    if( updater != null )
    {
      try { updater.close(); }
      catch(Exception ex) { }
      updater = null;
    }
    rows = null;
  }
  public boolean wasNull() throws SQLException {
    return last_null;
  }
  public String getString(int columnIndex) throws SQLException {
    Object retval = getObject(columnIndex);
    if( retval instanceof java.lang.Character )
      return retval != null ? String.valueOf((int)((java.lang.Character)retval).charValue()) : null;
    else
      return retval != null ? retval.toString() : null;
  }
  public boolean getBoolean(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Boolean.valueOf(s).booleanValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return false;
    }
  }
  public byte getByte(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Byte.valueOf(s).byteValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0;
    }
  }
  public short getShort(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Short.valueOf(s).shortValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0;
    }
  }
  public int getInt(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Integer.valueOf(s).intValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0;
    }
  }
  public long getLong(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Long.valueOf(s).longValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0;
    }
  }
  public float getFloat(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Float.valueOf(s).floatValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0.0f;
    }
  }
  public double getDouble(int columnIndex) throws SQLException {
    String s = getString(columnIndex);
    try {
      return Double.valueOf(s).doubleValue();
    }
    catch(Exception e) {
//    throw new SQLException(e.getMessage());
      return 0.0;
    }
  }
  public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
    return (BigDecimal)getObject(columnIndex);
  }
  public byte[] getBytes(int columnIndex) throws SQLException {
    return (byte[])getObject(columnIndex);
  }
  public Date getDate(int columnIndex) throws SQLException {
    return (Date)getObject(columnIndex);
  }
  public Time getTime(int columnIndex) throws SQLException {
    return (Time)getObject(columnIndex);
  }
  public Timestamp getTimestamp(int columnIndex) throws SQLException {
    return (Timestamp)getObject(columnIndex);
  }
  public InputStream getAsciiStream(int columnIndex) throws SQLException {
    throw new SQLException("mysql does not support getAsciiStream(int).");
  }
  public InputStream getUnicodeStream(int columnIndex) throws SQLException {
    throw new SQLException("mysql does not support getUnicodeStream(int).");
  }
  public InputStream getBinaryStream(int columnIndex) throws SQLException {
    byte[] bin_buf = getBytes(columnIndex);
    if( bin_buf == null )
      return null;
    return new java.io.ByteArrayInputStream(bin_buf);
  }
  public String getString(String columnName) throws SQLException {
    return getString(findColumn(columnName));
  }
  public boolean getBoolean(String columnName) throws SQLException {
    return getBoolean(findColumn(columnName));
  }
  public byte getByte(String columnName) throws SQLException {
    return getByte(findColumn(columnName));
  }
  public short getShort(String columnName) throws SQLException {
    return getShort(findColumn(columnName));
  }
  public int getInt(String columnName) throws SQLException {
    return getInt(findColumn(columnName));
  }
  public long getLong(String columnName) throws SQLException {
    return getLong(findColumn(columnName));
  }
  public float getFloat(String columnName) throws SQLException {
    return getFloat(findColumn(columnName));
  }
  public double getDouble(String columnName) throws SQLException {
    return getDouble(findColumn(columnName));
  }
  public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException {
    return getBigDecimal(findColumn(columnName));
  }
  public byte[] getBytes(String columnName) throws SQLException {
    return getBytes(findColumn(columnName));
  }
  public Date getDate(String columnName) throws SQLException {
    return getDate(findColumn(columnName));
  }
  public Time getTime(String columnName) throws SQLException {
    return getTime(findColumn(columnName));
  }
  public Timestamp getTimestamp(String columnName) throws SQLException {
    return getTimestamp(findColumn(columnName));
  }
  public InputStream getAsciiStream(String columnName) throws SQLException {
    return getAsciiStream(findColumn(columnName));
  }
  public InputStream getUnicodeStream(String columnName) throws SQLException {
    return getUnicodeStream(findColumn(columnName));
  }
  public InputStream getBinaryStream(String columnName) throws SQLException {
    return getBinaryStream(findColumn(columnName));
  }
  public SQLWarning getWarnings() throws SQLException {
    return null;
  }
  public void clearWarnings() throws SQLException {
  }
  public String getCursorName() throws SQLException {
    return "";
  }
  public ResultSetMetaData getMetaData() throws SQLException {
    return rs_meta;
  }
  public Object getObject(int columnIndex) throws SQLException {
    try {
      ArrayList rowdata = (ArrayList)rows.get(index-1);
      Object data = rowdata.get(columnIndex-1);
      last_null = data == null ? true : false;
      return data;
    }
    catch(Exception e) {
      return null;
    }
  }
  public Object getObject(String columnName) throws SQLException {
    return getObject(findColumn(columnName));
  }
  public int findColumn(String name) throws SQLException {
    try {
      Integer nI = (Integer) columnName.get(name);
      if (nI==null) nI = (Integer) columnFullName.get(name);
      if (nI!=null) return nI.intValue()+1;
      throw new SQLException("Invalid column name : "+name);
    }
    catch( Exception e ) {
      throw new SQLException(e.getMessage());
    }
  }
  public Reader getCharacterStream(int columnIndex) throws SQLException {
    return null;
  }
  public Reader getCharacterStream(String columnName) throws SQLException {
    return getCharacterStream(findColumn(columnName));
  }
  public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
    return getBigDecimal(columnIndex, 10);
  }
  public BigDecimal getBigDecimal(String columnName) throws SQLException {
    return getBigDecimal(findColumn(columnName));
  }
  public boolean isBeforeFirst() throws SQLException {
    int row_count = rows.size();
    if( row_count > 0 && index == 0 )
    {
      return true;
    }
    return false;
  }
  public boolean isAfterLast() throws SQLException {
    int row_count = rows.size();
    if( row_count > 0 && index == row_count + 1 )
    {
      return true;
    }
    return false;
  }
  public boolean isFirst() throws SQLException {
    int row_count = rows.size();
    if( row_count > 0 && index == 1 )
    {
      return true;
    }
    return false;
  }
  public boolean isLast() throws SQLException {
    int row_count = rows.size();
    if( row_count > 0 && index == row_count )
    {
      return true;
    }
    return false;
  }
  public void beforeFirst() throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    int row_count = rows.size();
    if( row_count > 0 )
    {
      index = 0;
      notifyCursorMoved();
    }
  }
  public void afterLast() throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    int row_count = rows.size();
    if( row_count > 0 )
    {
      index = row_count + 1;
      notifyCursorMoved();
    }
  }
  public boolean first() throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    int row_count = rows.size();
    if( row_count > 0 )
    {
      index = 1;
      notifyCursorMoved();
      return true;
    }
    return false;
  }
  public boolean last() throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    int row_count = rows.size();
    if( row_count > 0 )
    {
      index = row_count;
      notifyCursorMoved();
      return true;
    }
    return false;
  }
  public int getRow() throws SQLException {
    return index;
  }
  public boolean absolute(int row) throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    if( row == 0 )
      return false;
    int row_count = rows.size();
    if( row < 0 )
      row = row_count + 1 + row;
    index = row;
    if( index >= 1 && index <= row_count )
    {
      notifyCursorMoved();
      return true;
    }
    if( index <= 0 )
      beforeFirst();
    else
      afterLast();
    return false;
  }
  public boolean relative(int row) throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    int row_count = rows.size();
    index += row;
    if( index >= 1 && index <= row_count )
    {
      notifyCursorMoved();
      return true;
    }
    if( index <= 0 )
      beforeFirst();
    else
      afterLast();
    return false;
  }
  public boolean previous() throws SQLException {
    if( getType() == ResultSet.TYPE_FORWARD_ONLY )
      throw new SQLException("TYPE_FORWARD_ONLY ResultSet does not support previous().");
    if( index - 1 >= 1 )
    {
      index--;
      notifyCursorMoved();
      return true;
    }
    return false;
  }
  public void setFetchDirection(int direction) throws SQLException {
    fetchDirection = direction;
  }
  public int getFetchDirection() throws SQLException {
    return fetchDirection;
  }
  public void setFetchSize(int rows) throws SQLException {
    fetchSize = rows;
  }
  public int getFetchSize() throws SQLException {
    return fetchSize;
  }
  public int getType() throws SQLException {
    return resultSetType;
  }
  public int getConcurrency() throws SQLException {
    return resultSetConcurrency;
  }

  public boolean rowUpdated() throws SQLException {
    throw new SQLException("mysql does not support rowUpdated().");
  }
  public boolean rowInserted() throws SQLException {
    throw new SQLException("mysql does not support rowInserted().");
  }
  public boolean rowDeleted() throws SQLException {
    try {
      ArrayList rowdata = (ArrayList)rows.get(index-1);
      return rowdata == null;
    }
    catch(Exception e) {
      throw new SQLException(e.getMessage());
    }
  }
  public void updateNull(int columnIndex) throws SQLException {
    this.updateObject(columnIndex, null);
  }
  public void updateBoolean(int columnIndex, boolean x) throws SQLException {
    throw new SQLException("mysql does not support updateBoolean(int, boolean).");
  }
  public void updateByte(int columnIndex, byte x) throws SQLException {
    Byte obj = new Byte(x);
    this.updateObjectEx(columnIndex, obj, Types.TINYINT);
  }
  public void updateShort(int columnIndex, short x) throws SQLException {
    Short obj = new Short(x);
    this.updateObjectEx(columnIndex, obj, Types.SMALLINT);
  }
  public void updateInt(int columnIndex, int x) throws SQLException {
    Integer obj = new Integer(x);
    this.updateObjectEx(columnIndex, obj, Types.INTEGER);
  }
  public void updateLong(int columnIndex, long x) throws SQLException {
    Long obj = new Long(x);
    this.updateObjectEx(columnIndex, obj, Types.BIGINT);
  }
  public void updateFloat(int columnIndex, float x) throws SQLException {
    Float obj = new Float(x);
    this.updateObjectEx(columnIndex, obj, Types.FLOAT);
  }
  public void updateDouble(int columnIndex, double x) throws SQLException {
    Double obj = new Double(x);
    this.updateObjectEx(columnIndex, obj, Types.DOUBLE);
  }
  public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.DECIMAL);
  }
  public void updateString(int columnIndex, String x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.VARCHAR);
  }
  public void updateBytes(int columnIndex, byte[] x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.VARBINARY);
  }
  public void updateDate(int columnIndex, Date x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.DATE);
  }
  public void updateTime(int columnIndex, Time x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.TIME);
  }
  public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
    this.updateObjectEx(columnIndex, x, Types.TIMESTAMP);
  }
  public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
    throw new SQLException("mysql does not support updateAsciiStream(int, InputStream, int).");
  }
  public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
    this.updateObjectEx(columnIndex, new MyPreparedObject(x, length), Types.LONGVARBINARY);
  }
  public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
    throw new SQLException("mysql does not support updateCharacterStream(int, Reader, int).");
  }
  public void updateObject(int columnIndex, Object x, int scale) throws SQLException {
    this.updateObject(columnIndex, x);
  }
  public void updateObject(int columnIndex, Object x) throws SQLException {
    ResultSetMetaData meta = this.getMetaData();
    int targetSqlType = meta.getColumnType(columnIndex);
    updateObjectEx(columnIndex, x, targetSqlType);
  }
  private void updateObjectEx(int columnIndex, Object x, int targetSqlType) throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support updateObject.");

    if( update_obj_array  != null &&
        update_type_array != null )
    {
      if( columnIndex <= update_obj_array.length  &&
          columnIndex <= update_type_array.length )
      {
        update_obj_array[columnIndex-1] = x;
        if( (x instanceof byte[]) && (targetSqlType != Types.VARBINARY) )
          targetSqlType = Types.VARBINARY;
        if( (x instanceof InputStream) && (targetSqlType != Types.LONGVARBINARY) )
          targetSqlType = Types.LONGVARBINARY;
        update_type_array[columnIndex-1] = targetSqlType;
        return;
      }
    }
    throw new SQLException("MyRowSet Error : updateObject(int, Object).");
  }
  public void updateNull(String columnName) throws SQLException {
    updateNull(findColumn(columnName));
  }
  public void updateBoolean(String columnName, boolean x) throws SQLException {
    throw new SQLException("mysql does not support updateBoolean(String, boolean).");
  }
  public void updateByte(String columnName, byte x) throws SQLException {
    updateByte(findColumn(columnName), x);
  }
  public void updateShort(String columnName, short x) throws SQLException {
    updateShort(findColumn(columnName), x);
  }
  public void updateInt(String columnName, int x) throws SQLException {
    updateInt(findColumn(columnName), x);
  }
  public void updateLong(String columnName, long x) throws SQLException {
    updateLong(findColumn(columnName), x);
  }
  public void updateFloat(String columnName, float x) throws SQLException {
    updateFloat(findColumn(columnName), x);
  }
  public void updateDouble(String columnName, double x) throws SQLException {
    updateDouble(findColumn(columnName), x);
  }
  public void updateBigDecimal(String columnName, BigDecimal x) throws SQLException {
    updateBigDecimal(findColumn(columnName), x);
  }
  public void updateString(String columnName, String x) throws SQLException {
    updateString(findColumn(columnName), x);
  }
  public void updateBytes(String columnName, byte[] x) throws SQLException {
    updateBytes(findColumn(columnName), x);
  }
  public void updateDate(String columnName, Date x) throws SQLException {
    updateDate(findColumn(columnName), x);
  }
  public void updateTime(String columnName, Time x) throws SQLException {
    updateTime(findColumn(columnName), x);
  }
  public void updateTimestamp(String columnName, Timestamp x) throws SQLException {
    updateTimestamp(findColumn(columnName), x);
  }
  public void updateAsciiStream(String columnName, InputStream x, int length) throws SQLException {
    throw new SQLException("mysql does not support updateAsciiStream(String, InputStream, int).");
  }
  public void updateBinaryStream(String columnName, InputStream x, int length) throws SQLException {
    updateBinaryStream(findColumn(columnName), x, length);
  }
  public void updateCharacterStream(String columnName, Reader reader, int length) throws SQLException {
    throw new SQLException("mysql does not support updateCharacterStream(String, Reader, int).");
  }
  public void updateObject(String columnName, Object x, int scale) throws SQLException {
    updateObject(findColumn(columnName), x, scale);
  }
  public void updateObject(String columnName, Object x) throws SQLException {
    updateObject(findColumn(columnName), x);
  }
  private Connection getConnectionForUpdate() throws java.sql.SQLException {
    if( updater == null )
    {
      updater = getConnection();
      if( transactionIsolation != MyRowSet.TRANSACTION_UNKNOWN )
        updater.setTransactionIsolation(transactionIsolation);
      updater.setReadOnly(readOnly);
      updater.setTypeMap(typemap);
    }
    return updater;
  }
  public void insertRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support insertRow.");
    if( !onetable )
      throw new SQLException("RowSet generated from Multiple Tables does not support insertRow.");
    if( !insertmode )
      throw new SQLException("insertRow() cannot be called when the cursor is not on the insert row.");

    ResultSetMetaData meta = this.getMetaData();
    StringBuffer updatesql = new StringBuffer();
    updatesql.append("INSERT INTO ");
    updatesql.append(meta.getTableName(1));
    updatesql.append("(");
    boolean first = true;
    for(int i = 1; i <= update_obj_array.length; i++)
    {
      if( update_type_array[i-1] != Types.NULL )
      {
        if( first )
          first = false;
        else
          updatesql.append(",");
        updatesql.append(meta.getColumnName(i));
      }
    }
    updatesql.append(")");
    updatesql.append(" VALUES(");
    first = true;
    for(int i = 1; i <= update_obj_array.length; i++)
    {
      if( update_type_array[i-1] != Types.NULL )
      {
        if( first )
          first = false;
        else
          updatesql.append(",");
        updatesql.append("?");
      }
    }
    updatesql.append(");");

    Connection conn = getConnectionForUpdate();
    PreparedStatement stmt = null;
    try {
      stmt = conn.prepareStatement(updatesql.toString());
      int param_index = 1;
      for(int i = 1; i <= update_obj_array.length; i++)
      {
        int targetSqlType = update_type_array[i-1];
        if( targetSqlType != Types.NULL )
        {
          stmt.setObject(param_index, update_obj_array[i-1], targetSqlType);
          param_index++;
        }
      }
      int count = stmt.executeUpdate();
      if( count == 1 )
      {
        ArrayList vecrow = new ArrayList();
        for(int i = 1; i <= update_obj_array.length; i++)
        {
          if( update_type_array[i-1] != Types.NULL )
            vecrow.add(update_obj_array[i-1]);
          else
            vecrow.add(null);
        }
        rows.add(vecrow);
        notifyRowChanged();
      }
      else
      {
        throw new SQLException("Can not insert Row.");
      }
    }
    finally {
      if( stmt != null )
      {
        try { stmt.close(); }
        catch(Exception ex) { }
        stmt = null;
      }
    }
  }
  public void updateRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support updateRow.");
    if( !onetable )
      throw new SQLException("RowSet generated from Multiple Tables does not support updateRow.");
    if( insertmode )
      throw new SQLException("updateRow() cannot be called when the cursor is on the insert row.");

    ResultSetMetaData meta = this.getMetaData();
    StringBuffer updatesql = new StringBuffer();
    updatesql.append("UPDATE ");
    updatesql.append(meta.getTableName(1));
    updatesql.append(" SET ");
    boolean first = true;
    for(int i = 1; i <= update_obj_array.length; i++)
    {
      if( update_type_array[i-1] != Types.NULL )
      {
        if( first )
          first = false;
        else
          updatesql.append(",");
        updatesql.append(meta.getColumnName(i));
        updatesql.append("=?");
      }
    }
    updatesql.append(" WHERE ");
    for(int i = 0; i < pk_cols.size(); i++)
    {
      if( i != 0 )
        updatesql.append(" AND ");
      String pkname = (String)pk_cols.elementAt(i);
      updatesql.append(pkname);
      updatesql.append("=?");
    }
    updatesql.append(";");

    Connection conn = getConnectionForUpdate();
    PreparedStatement stmt = null;
    try {
      stmt = conn.prepareStatement(updatesql.toString());
      int param_index = 1;
      for(int i = 1; i <= update_obj_array.length; i++)
      {
        int targetSqlType = update_type_array[i-1];
        if( targetSqlType != Types.NULL )
        {
          stmt.setObject(param_index, update_obj_array[i-1], targetSqlType);
          param_index++;
        }
      }
      for(int i = 0; i < pk_cols.size(); i++)
      {
        String pkname = (String)pk_cols.elementAt(i);
        int targetSqlType = meta.getColumnType(findColumn(pkname));
        stmt.setObject(param_index, getObject(pkname), targetSqlType);
        param_index++;
      }
      int count = stmt.executeUpdate();
      if( count == 1 )
      {
        ArrayList rowdata = (ArrayList)rows.get(index-1);
        for(int i = 1; i <= update_obj_array.length; i++)
        {
          if( update_type_array[i-1] != Types.NULL )
            rowdata.set(i-1, update_obj_array[i-1]);
        }
        notifyRowChanged();
      }
    }
    finally {
      if( stmt != null )
      {
        try { stmt.close(); }
        catch(Exception ex) { }
        stmt = null;
      }
    }
  }
  public void deleteRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support deleteRow.");
    if( !onetable )
      throw new SQLException("RowSet generated from Multiple Tables does not support deleteRow.");
    if( insertmode )
      throw new SQLException("deleteRow() cannot be called when the cursor is on the insert row.");

    ResultSetMetaData meta = this.getMetaData();
    StringBuffer updatesql = new StringBuffer();
    updatesql.append("DELETE FROM ");
    updatesql.append(meta.getTableName(1));
    updatesql.append(" WHERE ");
    for(int i = 0; i < pk_cols.size(); i++)
    {
      if( i != 0 )
        updatesql.append(" AND ");
      String pkname = (String)pk_cols.elementAt(i);
      updatesql.append(pkname);
      updatesql.append("=?");
    }
    updatesql.append(";");

    Connection conn = getConnectionForUpdate();
    PreparedStatement stmt = null;
    try {
      stmt = conn.prepareStatement(updatesql.toString());
      int param_index = 1;
      for(int i = 0; i < pk_cols.size(); i++)
      {
        String pkname = (String)pk_cols.elementAt(i);
        int targetSqlType = meta.getColumnType(findColumn(pkname));
        stmt.setObject(param_index, getObject(pkname), targetSqlType);
        param_index++;
      }
      int count = stmt.executeUpdate();
      if( count == 1 )
      {
        rows.set(index-1, null);
        notifyRowChanged();
      }
      else
      {
        throw new SQLException("Can not delete Row.");
      }
    }
    finally {
      if( stmt != null )
      {
        try { stmt.close(); }
        catch(Exception ex) { }
        stmt = null;
      }
    }
  }
  public void refreshRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support refreshRow.");
    if( !onetable )
      throw new SQLException("RowSet generated from Multiple Tables does not support refreshRow.");
    if( insertmode )
      throw new SQLException("refreshRow() cannot be called when the cursor is on the insert row.");

    if( rowDeleted() )
      return;

    ResultSetMetaData meta = this.getMetaData();
    StringBuffer updatesql = new StringBuffer();
    updatesql.append("SELECT ");
    int colnum = meta.getColumnCount();
    for(int i = 1; i <= colnum; i++)
    {
      if( i != 1 )
        updatesql.append(",");
      updatesql.append(meta.getColumnName(i));
    }
    updatesql.append(" FROM ");
    updatesql.append(meta.getTableName(1));
    updatesql.append(" WHERE ");
    for(int i = 0; i < pk_cols.size(); i++)
    {
      if( i != 0 )
        updatesql.append(" AND ");
      String pkname = (String)pk_cols.elementAt(i);
      updatesql.append(pkname);
      updatesql.append("=?");
    }
    updatesql.append(";");

    Connection conn = getConnectionForUpdate();
    PreparedStatement stmt = null;
    ResultSet rs = null;
    try {
      stmt = conn.prepareStatement(updatesql.toString());
      int param_index = 1;
      for(int i = 0; i < pk_cols.size(); i++)
      {
        String pkname = (String)pk_cols.elementAt(i);
        int targetSqlType = meta.getColumnType(findColumn(pkname));
        stmt.setObject(param_index, getObject(pkname), targetSqlType);
        param_index++;
      }
      rs = stmt.executeQuery();
      if( rs.next() )
      {
        ArrayList rowdata = (ArrayList)rows.get(index-1);
        for(int i = 1; i <= colnum; i++)
          rowdata.set(i-1, rs.getObject(i));
      }
      else
      {
        throw new SQLException("Can not refresh Row.");
      }
    }
    finally {
      if( rs != null )
      {
        try { rs.close(); }
        catch(Exception ex) { }
        rs = null;
      }
      if( stmt != null )
      {
        try { stmt.close(); }
        catch(Exception ex) { }
        stmt = null;
      }
      clearUpdaters();
    }
  }
  private void clearUpdaters() {
    if( update_obj_array  != null &&
        update_type_array != null )
    {
      int i;
      for(i = 0; i < update_obj_array.length; i++)
        update_obj_array[i]  = null;
      for(i = 0; i < update_type_array.length; i++)
        update_type_array[i] = Types.NULL;
    }
  }
  public void cancelRowUpdates() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support cancelRowUpdates.");

    clearUpdaters();
  }
  public void moveToInsertRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support moveToInsertRow.");
    if( !onetable )
      throw new SQLException("RowSet generated from Multiple Tables does not support moveToInsertRow.");

    insertmode = true;
    clearUpdaters();
  }
  public void moveToCurrentRow() throws SQLException {
    if( getConcurrency() != ResultSet.CONCUR_UPDATABLE )
      throw new SQLException("CONCUR_READ_ONLY RowSet does not support moveToCurrentRow.");

    insertmode = false;
    clearUpdaters();
  }
  public Statement getStatement() throws SQLException {
    return new MyRowSetStatement(getConnectionForUpdate());
  }

  public Object getObject(int i, Map map) throws SQLException {
    throw new SQLException("mysql does not support getObject(int, Map).");
  }
  public Ref getRef(int i) throws SQLException {
    throw new SQLException("mysql does not support getRef(int).");
  }
  public Blob getBlob(int i) throws SQLException {
    throw new SQLException("mysql does not support getBlob(int).");
  }
  public Clob getClob(int i) throws SQLException {
    throw new SQLException("mysql does not support getClob(int).");
  }
  public Array getArray(int i) throws SQLException {
    throw new SQLException("mysql does not support getArray(int).");
  }
  public Object getObject(String colName, Map map) throws SQLException {
    throw new SQLException("mysql does not support getObject(String, Map).");
  }
  public Ref getRef(String colName) throws SQLException {
    throw new SQLException("mysql does not support getRef(String).");
  }
  public Blob getBlob(String colName) throws SQLException {
    throw new SQLException("mysql does not support getBlob(String).");
  }
  public Clob getClob(String colName) throws SQLException {
    throw new SQLException("mysql does not support getClob(String).");
  }
  public Array getArray(String colName) throws SQLException {
    throw new SQLException("mysql does not support getArray(String).");
  }
  public Date getDate(int columnIndex, Calendar cal) throws SQLException {
    return getDate(columnIndex);
  }
  public Date getDate(String columnName, Calendar cal) throws SQLException {
    return getDate(findColumn(columnName));
  }
  public Time getTime(int columnIndex, Calendar cal) throws SQLException {
    return getTime(columnIndex);
  }
  public Time getTime(String columnName, Calendar cal) throws SQLException {
    return getTime(findColumn(columnName));
  }
  public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
    return getTimestamp(columnIndex);
  }
  public Timestamp getTimestamp(String columnName, Calendar cal) throws SQLException {
    return getTimestamp(findColumn(columnName));
  }

  private void notifyCursorMoved() {
    if( !listeners.isEmpty() )
    {
      RowSetEvent rowsetevent = new RowSetEvent((RowSet)this);
      Iterator iterator = listeners.iterator();
      while( iterator.hasNext() )
      {
        ((RowSetListener)iterator.next()).cursorMoved(rowsetevent);
      }
    }
  }
  private void notifyRowChanged() {
    if( !listeners.isEmpty() )
    {
      RowSetEvent rowsetevent = new RowSetEvent((RowSet)this);
      Iterator iterator = listeners.iterator();
      while( iterator.hasNext() )
      {
        ((RowSetListener)iterator.next()).rowChanged(rowsetevent);
      }
    }
  }
  private void notifyRowSetChanged() {
    if( !listeners.isEmpty() )
    {
      RowSetEvent rowsetevent = new RowSetEvent((RowSet)this);
      Iterator iterator = listeners.iterator();
      while( iterator.hasNext() )
      {
        ((RowSetListener)iterator.next()).rowSetChanged(rowsetevent);
      }
    }
  }

  // for Serialization
  private void writeObject(ObjectOutputStream oos) throws IOException {
    oos.defaultWriteObject();
  }
  private void readObject(ObjectInputStream ois) throws ClassNotFoundException, IOException {
    ois.defaultReadObject();
  }
}

class MyPreparedObject {
  private int    length;
  private Object obj;
  public MyPreparedObject(Object x, int len) {
    length = len;
    obj    = x;
  }

  public int getLength() {
    return length;
  }

  public Object getObj() {
    return obj;
  }
}

class MyRowSetStatement implements Statement {
  private Connection connection = null;

  MyRowSetStatement(Connection connection) {
    this.connection = connection;
  }
  public Connection getConnection() throws SQLException {
    return connection;
  }

  public ResultSet executeQuery(String sql) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method executeQuery() is not implemented.");
  }
  public int executeUpdate(String sql) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method executeUpdate() is not implemented.");
  }
  public void close() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method close() is not implemented.");
  }
  public int getMaxFieldSize() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getMaxFieldSize() is not implemented.");
  }
  public void setMaxFieldSize(int max) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setMaxFieldSize() is not implemented.");
  }
  public int getMaxRows() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getMaxRows() is not implemented.");
  }
  public void setMaxRows(int max) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setMaxRows() is not implemented.");
  }
  public void setEscapeProcessing(boolean enable) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setEscapeProcessing() is not implemented.");
  }
  public int getQueryTimeout() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getQueryTimeout() is not implemented.");
  }
  public void setQueryTimeout(int seconds) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setQueryTimeout() is not implemented.");
  }
  public void cancel() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method cancel() is not implemented.");
  }
  public SQLWarning getWarnings() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getWarnings() is not implemented.");
  }
  public void clearWarnings() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method clearWarnings() is not implemented.");
  }
  public void setCursorName(String name) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setCursorName() is not implemented.");
  }
  public boolean execute(String sql) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method execute() is not implemented.");
  }
  public ResultSet getResultSet() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getResultSet() is not implemented.");
  }
  public int getUpdateCount() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getUpdateCount() is not implemented.");
  }
  public boolean getMoreResults() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getMoreResults() is not implemented.");
  }
  public void setFetchDirection(int direction) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setFetchDirection() is not implemented.");
  }
  public int getFetchDirection() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getFetchDirection() is not implemented.");
  }
  public void setFetchSize(int rows) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method setFetchSize() is not implemented.");
  }
  public int getFetchSize() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getFetchSize() is not implemented.");
  }
  public int getResultSetConcurrency() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getResultSetConcurrency() is not implemented.");
  }
  public int getResultSetType() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method getResultSetType() is not implemented.");
  }
  public void addBatch(String sql) throws SQLException {
    throw new java.lang.UnsupportedOperationException("method addBatch() is not implemented.");
  }
  public void clearBatch() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method clearBatch() is not implemented.");
  }
  public int[] executeBatch() throws SQLException {
    throw new java.lang.UnsupportedOperationException("method executeBatch() is not implemented.");
  }
}