/*******************************************************************************
 * Copyright (c) 1998, 2008 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/  
package org.eclipse.persistence.testing.tests.performance.emulateddb;

import java.sql.*;
import java.io.InputStream;
import java.io.Reader;
import java.math.*;
import java.util.*;
import org.eclipse.persistence.sessions.DatabaseRecord;

/**
 * Emulated database result set.
 * This extracts data from a list of DatabaseRows.
 */
public class EmulatedResultSet implements ResultSet {
    protected List<DatabaseRecord> rows;
    protected int index;

    public EmulatedResultSet(List rows) {
        this.rows = rows;
        this.index = 0;
    }

    /**
     * Return the database records.
     */
    public List getRows() {
        return rows;
    }     
     
    /**
     * Moves the cursor down one row from its current position.
     * A <code>ResultSet</code> cursor is initially positioned
     * before the first row; the first call to the method
     * <code>next</code> makes the first row the current row; the
     * second call makes the second row the current row, and so on.
     *
     * <P>If an input stream is open for the current row, a call
     * to the method <code>next</code> will
     * implicitly close it. A <code>ResultSet</code> object's
     * warning chain is cleared when a new row is read.
     *
     * @return <code>true</code> if the new current row is valid;
     * <code>false</code> if there are no more rows
     * @exception SQLException if a database access error occurs
     */
    public boolean next() {
        this.index++;
        return this.index <= this.rows.size();
    }

    /**
     * Releases this <code>ResultSet</code> object's database and
     * JDBC resources immediately instead of waiting for
     * this to happen when it is automatically closed.
     *
     * <P><B>Note:</B> A <code>ResultSet</code> object
     * is automatically closed by the
     * <code>Statement</code> object that generated it when
     * that <code>Statement</code> object is closed,
     * re-executed, or is used to retrieve the next result from a
     * sequence of multiple results. A <code>ResultSet</code> object
     * is also automatically closed when it is garbage collected.
     *
     * @exception SQLException if a database access error occurs
     */
    public void close() {
    }

    /**
     * Reports whether
     * the last column read had a value of SQL <code>NULL</code>.
     * Note that you must first call one of the getter methods
     * on a column to try to read its value and then call
     * the method <code>wasNull</code> to see if the value read was
     * SQL <code>NULL</code>.
     *
     * @return <code>true</code> if the last column value read was SQL
     *         <code>NULL</code> and <code>false</code> otherwise
     * @exception SQLException if a database access error occurs
     */
    public boolean wasNull() {
        return false;
    }

    //======================================================================
    // Methods for accessing results by column index
    //======================================================================

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>String</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public String getString(int columnIndex) {
        return (String)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>boolean</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>false</code>
     * @exception SQLException if a database access error occurs
     */
    public boolean getBoolean(int columnIndex) {
        return ((Boolean)getObject(columnIndex)).booleanValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>byte</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public byte getByte(int columnIndex) {
        return ((Number)getObject(columnIndex)).byteValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>short</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public short getShort(int columnIndex) {
        return ((Number)getObject(columnIndex)).shortValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * an <code>int</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public int getInt(int columnIndex) {
        Number value = (Number)getObject(columnIndex);
        if (value == null) {
            return 0;
        } else {
            return value.intValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>long</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public long getLong(int columnIndex) {
        Number value = (Number)getObject(columnIndex);
        if (value == null) {
            return 0;
        } else {
            return value.longValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>float</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public float getFloat(int columnIndex) {
        Number value = (Number)getObject(columnIndex);
        if (value == null) {
            return 0;
        } else {
            return value.floatValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>double</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public double getDouble(int columnIndex) {
        Number value = (Number)getObject(columnIndex);
        if (value == null) {
            return 0;
        } else {
            return value.doubleValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.BigDecimal</code> in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param scale the number of digits to the right of the decimal point
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     * @deprecated
     */
    public BigDecimal getBigDecimal(int columnIndex, int scale) {
        return (BigDecimal)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>byte</code> array in the Java programming language.
     * The bytes represent the raw values returned by the driver.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public byte[] getBytes(int columnIndex) {
        return (byte[])getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Date</code> object in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Date getDate(int columnIndex) {
        java.util.Date date = (java.util.Date)getObject(columnIndex);
        if ((date != null) && (!(date instanceof java.sql.Date))) {
            date = new java.sql.Date(date.getTime());
        }
        return (java.sql.Date)date;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Time</code> object in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Time getTime(int columnIndex) {
        return (java.sql.Time)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Timestamp</code> object in the Java programming language.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Timestamp getTimestamp(int columnIndex) {
        return (java.sql.Timestamp)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a stream of ASCII characters. The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <char>LONGVARCHAR</char> values.
     * The JDBC driver will
     * do any necessary conversion from the database format into ASCII.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream.  Also, a
     * stream may return <code>0</code> when the method
     * <code>InputStream.available</code>
     * is called whether there is data available or not.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return a Java input stream that delivers the database column value
     * as a stream of one-byte ASCII characters;
     * if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.io.InputStream getAsciiStream(int columnIndex) {
        return (java.io.InputStream)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * as a stream of two-byte Unicode characters. The first byte is
     * the high byte; the second byte is the low byte.
     *
     * The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <code>LONGVARCHAR</code>values.  The
     * JDBC driver will do any necessary conversion from the database
     * format into Unicode.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream.
     * Also, a stream may return <code>0</code> when the method
     * <code>InputStream.available</code>
     * is called, whether there is data available or not.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return a Java input stream that delivers the database column value
     *         as a stream of two-byte Unicode characters;
     *         if the value is SQL <code>NULL</code>, the value returned is
     *         <code>null</code>
     *
     * @exception SQLException if a database access error occurs
     * @deprecated use <code>getCharacterStream</code> in place of
     *              <code>getUnicodeStream</code>
     */
    public java.io.InputStream getUnicodeStream(int columnIndex) {
        return (java.io.InputStream)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a binary stream of
     * uninterpreted bytes. The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <code>LONGVARBINARY</code> values.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream.  Also, a
     * stream may return <code>0</code> when the method
     * <code>InputStream.available</code>
     * is called whether there is data available or not.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return a Java input stream that delivers the database column value
     *         as a stream of uninterpreted bytes;
     *         if the value is SQL <code>NULL</code>, the value returned is
     *         <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.io.InputStream getBinaryStream(int columnIndex) {
        return (java.io.InputStream)getObject(columnIndex);
    }

    //======================================================================
    // Methods for accessing results by column name
    //======================================================================

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>String</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public String getString(String columnName) {
        return (String)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>boolean</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>false</code>
     * @exception SQLException if a database access error occurs
     */
    public boolean getBoolean(String columnName) {
        return ((Boolean)getObject(columnName)).booleanValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>byte</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public byte getByte(String columnName) {
        return ((Number)getObject(columnName)).byteValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>short</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public short getShort(String columnName) {
        return ((Number)getObject(columnName)).shortValue();
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * an <code>int</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public int getInt(String columnName) {
        Number value = (Number)getObject(columnName);
        if (value == null) {
            return 0;
        } else {
            return value.intValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>long</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public long getLong(String columnName) {
        Number value = (Number)getObject(columnName);
        if (value == null) {
            return 0;
        } else {
            return value.longValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>float</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public float getFloat(String columnName) {
        Number value = (Number)getObject(columnName);
        if (value == null) {
            return 0;
        } else {
            return value.floatValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>double</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>0</code>
     * @exception SQLException if a database access error occurs
     */
    public double getDouble(String columnName) {
        Number value = (Number)getObject(columnName);
        if (value == null) {
            return 0;
        } else {
            return value.doubleValue();
        }
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.math.BigDecimal</code> in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @param scale the number of digits to the right of the decimal point
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     * @deprecated
     */
    public BigDecimal getBigDecimal(String columnName, int scale) {
        return (BigDecimal)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>byte</code> array in the Java programming language.
     * The bytes represent the raw values returned by the driver.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public byte[] getBytes(String columnName) {
        return (byte[])getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Date</code> object in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Date getDate(String columnName) {
        java.util.Date date = (java.util.Date)getObject(columnName);
        if ((date != null) && (!(date instanceof java.sql.Date))) {
            date = new java.sql.Date(date.getTime());
        }
        return (java.sql.Date)date;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Time</code> object in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Time getTime(String columnName) {
        return (java.sql.Time)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * a <code>java.sql.Timestamp</code> object.
     *
     * @param columnName the SQL name of the column
     * @return the column value; if the value is SQL <code>NULL</code>, the
     * value returned is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.sql.Timestamp getTimestamp(String columnName) {
        return (java.sql.Timestamp)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a stream of
     * ASCII characters. The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <code>LONGVARCHAR</code> values.
     * The JDBC driver will
     * do any necessary conversion from the database format into ASCII.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream. Also, a
     * stream may return <code>0</code> when the method <code>available</code>
     * is called whether there is data available or not.
     *
     * @param columnName the SQL name of the column
     * @return a Java input stream that delivers the database column value
     * as a stream of one-byte ASCII characters.
     * If the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code>.
     * @exception SQLException if a database access error occurs
     */
    public java.io.InputStream getAsciiStream(String columnName) {
        return (java.io.InputStream)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a stream of two-byte
     * Unicode characters. The first byte is the high byte; the second
     * byte is the low byte.
     *
     * The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <code>LONGVARCHAR</code> values.
     * The JDBC technology-enabled driver will
     * do any necessary conversion from the database format into Unicode.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream.
     * Also, a stream may return <code>0</code> when the method
     * <code>InputStream.available</code> is called, whether there
     * is data available or not.
     *
     * @param columnName the SQL name of the column
     * @return a Java input stream that delivers the database column value
     *         as a stream of two-byte Unicode characters.
     *         If the value is SQL <code>NULL</code>, the value returned
     *         is <code>null</code>.
     * @exception SQLException if a database access error occurs
     * @deprecated use <code>getCharacterStream</code> instead
     */
    public java.io.InputStream getUnicodeStream(String columnName) {
        return (java.io.InputStream)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a stream of uninterpreted
     * <code>byte</code>s.
     * The value can then be read in chunks from the
     * stream. This method is particularly
     * suitable for retrieving large <code>LONGVARBINARY</code>
     * values.
     *
     * <P><B>Note:</B> All the data in the returned stream must be
     * read prior to getting the value of any other column. The next
     * call to a getter method implicitly closes the stream. Also, a
     * stream may return <code>0</code> when the method <code>available</code>
     * is called whether there is data available or not.
     *
     * @param columnName the SQL name of the column
     * @return a Java input stream that delivers the database column value
     * as a stream of uninterpreted bytes;
     * if the value is SQL <code>NULL</code>, the result is <code>null</code>
     * @exception SQLException if a database access error occurs
     */
    public java.io.InputStream getBinaryStream(String columnName) {
        return (java.io.InputStream)getObject(columnName);
    }

    //=====================================================================
    // Advanced features:
    //=====================================================================

    /**
     * Retrieves the first warning reported by calls on this
     * <code>ResultSet</code> object.
     * Subsequent warnings on this <code>ResultSet</code> object
     * will be chained to the <code>SQLWarning</code> object that
     * this method returns.
     *
     * <P>The warning chain is automatically cleared each time a new
     * row is read.  This method may not be called on a <code>ResultSet</code>
     * object that has been closed; doing so will cause an
     * <code>SQLException</code> to be thrown.
     * <P>
     * <B>Note:</B> This warning chain only covers warnings caused
     * by <code>ResultSet</code> methods.  Any warning caused by
     * <code>Statement</code> methods
     * (such as reading OUT parameters) will be chained on the
     * <code>Statement</code> object.
     *
     * @return the first <code>SQLWarning</code> object reported or
     *         <code>null</code> if there are none
     * @exception SQLException if a database access error occurs or this method is
     *            called on a closed result set
     */
    public SQLWarning getWarnings() {
        return null;
    }

    /**
     * Clears all warnings reported on this <code>ResultSet</code> object.
     * After this method is called, the method <code>getWarnings</code>
     * returns <code>null</code> until a new warning is
     * reported for this <code>ResultSet</code> object.
     *
     * @exception SQLException if a database access error occurs
     */
    public void clearWarnings() {
    }

    /**
     * Retrieves the name of the SQL cursor used by this <code>ResultSet</code>
     * object.
     *
     * <P>In SQL, a result table is retrieved through a cursor that is
     * named. The current row of a result set can be updated or deleted
     * using a positioned update/delete statement that references the
     * cursor name. To insure that the cursor has the proper isolation
     * level to support update, the cursor's <code>SELECT</code> statement
     * should be of the form <code>SELECT FOR UPDATE</code>. If
     * <code>FOR UPDATE</code> is omitted, the positioned updates may fail.
     *
     * <P>The JDBC API supports this SQL feature by providing the name of the
     * SQL cursor used by a <code>ResultSet</code> object.
     * The current row of a <code>ResultSet</code> object
     * is also the current row of this SQL cursor.
     *
     * <P><B>Note:</B> If positioned update is not supported, a
     * <code>SQLException</code> is thrown.
     *
     * @return the SQL name for this <code>ResultSet</code> object's cursor
     * @exception SQLException if a database access error occurs
     */
    public String getCursorName() {
        return null;
    }

    /**
     * Retrieves the  number, types and properties of
     * this <code>ResultSet</code> object's columns.
     *
     * @return the description of this <code>ResultSet</code> object's columns
     * @exception SQLException if a database access error occurs
     */
    public ResultSetMetaData getMetaData() {
        return new EmulatedResultSetMetaData(this);
    }

    /**
     * <p>Gets the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * an <code>Object</code> in the Java programming language.
     *
     * <p>This method will return the value of the given column as a
     * Java object.  The type of the Java object will be the default
     * Java object type corresponding to the column's SQL type,
     * following the mapping for built-in types specified in the JDBC
     * specification. If the value is an SQL <code>NULL</code>,
     * the driver returns a Java <code>null</code>.
     *
     * <p>This method may also be used to read database-specific
     * abstract data types.
     *
     * In the JDBC 2.0 API, the behavior of method
     * <code>getObject</code> is extended to materialize
     * data of SQL user-defined types.  When a column contains
     * a structured or distinct value, the behavior of this method is as
     * if it were a call to: <code>getObject(columnIndex,
     * this.getStatement().getConnection().getTypeMap())</code>.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return a <code>java.lang.Object</code> holding the column value
     * @exception SQLException if a database access error occurs
     */
    public Object getObject(int columnIndex) {
        return this.rows.get(this.index - 1).getValues().get(columnIndex - 1);
    }

    /**
     * <p>Gets the value of the designated column in the current row
     * of this <code>ResultSet</code> object as
     * an <code>Object</code> in the Java programming language.
     *
     * <p>This method will return the value of the given column as a
     * Java object.  The type of the Java object will be the default
     * Java object type corresponding to the column's SQL type,
     * following the mapping for built-in types specified in the JDBC
     * specification. If the value is an SQL <code>NULL</code>,
     * the driver returns a Java <code>null</code>.
     * <P>
     * This method may also be used to read database-specific
     * abstract data types.
     * <P>
     * In the JDBC 2.0 API, the behavior of the method
     * <code>getObject</code> is extended to materialize
     * data of SQL user-defined types.  When a column contains
     * a structured or distinct value, the behavior of this method is as
     * if it were a call to: <code>getObject(columnIndex,
     * this.getStatement().getConnection().getTypeMap())</code>.
     *
     * @param columnName the SQL name of the column
     * @return a <code>java.lang.Object</code> holding the column value
     * @exception SQLException if a database access error occurs
     */
    public Object getObject(String columnName) {
        return this.rows.get(this.index - 1).get(columnName);
    }

    //----------------------------------------------------------------

    /**
     * Maps the given <code>ResultSet</code> column name to its
     * <code>ResultSet</code> column index.
     *
     * @param columnName the name of the column
     * @return the column index of the given column name
     * @exception SQLException if the <code>ResultSet</code> object
     * does not contain <code>columnName</code> or a database access error occurs
     */
    public int findColumn(String columnName) {
        return 0;
    }

    //--------------------------JDBC 2.0-----------------------------------
    //---------------------------------------------------------------------
    // Getters and Setters
    //---------------------------------------------------------------------

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a
     * <code>java.io.Reader</code> object.
     * @return a <code>java.io.Reader</code> object that contains the column
     * value; if the value is SQL <code>NULL</code>, the value returned is
     * <code>null</code> in the Java programming language.
     * @param columnIndex the first column is 1, the second is 2, ...
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.io.Reader getCharacterStream(int columnIndex) {
        return (java.io.Reader)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a
     * <code>java.io.Reader</code> object.
     *
     * @param columnName the name of the column
     * @return a <code>java.io.Reader</code> object that contains the column
     * value; if the value is SQL <code>NULL</code>, the value returned is
     * <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.io.Reader getCharacterStream(String columnName) {
        return (java.io.Reader)getObject(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a
     * <code>java.math.BigDecimal</code> with full precision.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @return the column value (full precision);
     * if the value is SQL <code>NULL</code>, the value returned is
     * <code>null</code> in the Java programming language.
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public BigDecimal getBigDecimal(int columnIndex) {
        return (BigDecimal)getObject(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a
     * <code>java.math.BigDecimal</code> with full precision.
     *
     * @param columnName the column name
     * @return the column value (full precision);
     * if the value is SQL <code>NULL</code>, the value returned is
     * <code>null</code> in the Java programming language.
     * @exception SQLException if a database access error occurs
     * @since 1.2
     *
     */
    public BigDecimal getBigDecimal(String columnName) {
        return (BigDecimal)getObject(columnName);
    }

    //---------------------------------------------------------------------
    // Traversal/Positioning
    //---------------------------------------------------------------------

    /**
     * Retrieves whether the cursor is before the first row in
     * this <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is before the first row;
     * <code>false</code> if the cursor is at any other position or the
     * result set contains no rows
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public boolean isBeforeFirst() {
        return this.index == 0;
    }

    /**
     * Retrieves whether the cursor is after the last row in
     * this <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is after the last row;
     * <code>false</code> if the cursor is at any other position or the
     * result set contains no rows
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public boolean isAfterLast() {
        return (this.index - 1) == this.rows.size();
    }

    /**
     * Retrieves whether the cursor is on the first row of
     * this <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is on the first row;
     * <code>false</code> otherwise
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public boolean isFirst() {
        return this.index == 1;
    }

    /**
     * Retrieves whether the cursor is on the last row of
     * this <code>ResultSet</code> object.
     * Note: Calling the method <code>isLast</code> may be expensive
     * because the JDBC driver
     * might need to fetch ahead one row in order to determine
     * whether the current row is the last row in the result set.
     *
     * @return <code>true</code> if the cursor is on the last row;
     * <code>false</code> otherwise
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public boolean isLast() {
        return this.index == this.rows.size();
    }

    /**
     * Moves the cursor to the front of
     * this <code>ResultSet</code> object, just before the
     * first row. This method has no effect if the result set contains no rows.
     *
     * @exception SQLException if a database access error
     * occurs or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public void beforeFirst() {
        this.index = 0;
    }

    /**
     * Moves the cursor to the end of
     * this <code>ResultSet</code> object, just after the
     * last row. This method has no effect if the result set contains no rows.
     * @exception SQLException if a database access error
     * occurs or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public void afterLast() {
        this.index = this.rows.size() + 1;
    }

    /**
     * Moves the cursor to the first row in
     * this <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is on a valid row;
     * <code>false</code> if there are no rows in the result set
     * @exception SQLException if a database access error
     * occurs or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public boolean first() {
        this.index = 1;
        return true;
    }

    /**
     * Moves the cursor to the last row in
     * this <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is on a valid row;
     * <code>false</code> if there are no rows in the result set
     * @exception SQLException if a database access error
     * occurs or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public boolean last() {
        this.index = this.rows.size();
        return true;
    }

    /**
     * Retrieves the current row number.  The first row is number 1, the
     * second number 2, and so on.
     *
     * @return the current row number; <code>0</code> if there is no current row
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public int getRow() {
        return index;
    }

    /**
     * Moves the cursor to the given row number in
     * this <code>ResultSet</code> object.
     *
     * <p>If the row number is positive, the cursor moves to
     * the given row number with respect to the
     * beginning of the result set.  The first row is row 1, the second
     * is row 2, and so on.
     *
     * <p>If the given row number is negative, the cursor moves to
     * an absolute row position with respect to
     * the end of the result set.  For example, calling the method
     * <code>absolute(-1)</code> positions the
     * cursor on the last row; calling the method <code>absolute(-2)</code>
     * moves the cursor to the next-to-last row, and so on.
     *
     * <p>An attempt to position the cursor beyond the first/last row in
     * the result set leaves the cursor before the first row or after
     * the last row.
     *
     * <p><B>Note:</B> Calling <code>absolute(1)</code> is the same
     * as calling <code>first()</code>. Calling <code>absolute(-1)</code>
     * is the same as calling <code>last()</code>.
     *
     * @param row the number of the row to which the cursor should move.
     *        A positive number indicates the row number counting from the
     *        beginning of the result set; a negative number indicates the
     *        row number counting from the end of the result set
     * @return <code>true</code> if the cursor is on the result set;
     * <code>false</code> otherwise
     * @exception SQLException if a database access error
     * occurs, or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public boolean absolute(int row) {
        this.index = row;
        return true;
    }

    /**
     * Moves the cursor a relative number of rows, either positive or negative.
     * Attempting to move beyond the first/last row in the
     * result set positions the cursor before/after the
     * the first/last row. Calling <code>relative(0)</code> is valid, but does
     * not change the cursor position.
     *
     * <p>Note: Calling the method <code>relative(1)</code>
     * is identical to calling the method <code>next()</code> and
     * calling the method <code>relative(-1)</code> is identical
     * to calling the method <code>previous()</code>.
     *
     * @param rows an <code>int</code> specifying the number of rows to
     *        move from the current row; a positive number moves the cursor
     *        forward; a negative number moves the cursor backward
     * @return <code>true</code> if the cursor is on a row;
     *         <code>false</code> otherwise
     * @exception SQLException if a database access error occurs,
     *            there is no current row, or the result set type is
     *            <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public boolean relative(int rows) {
        this.index = index + rows;
        return true;
    }

    /**
     * Moves the cursor to the previous row in this
     * <code>ResultSet</code> object.
     *
     * @return <code>true</code> if the cursor is on a valid row;
     * <code>false</code> if it is off the result set
     * @exception SQLException if a database access error
     * occurs or the result set type is <code>TYPE_FORWARD_ONLY</code>
     * @since 1.2
     */
    public boolean previous() {
        this.index--;
        return true;
    }

    //---------------------------------------------------------------------
    // Properties
    //---------------------------------------------------------------------

    /**
     * Gives a hint as to the direction in which the rows in this
     * <code>ResultSet</code> object will be processed.
     * The initial value is determined by the
     * <code>Statement</code> object
     * that produced this <code>ResultSet</code> object.
     * The fetch direction may be changed at any time.
     *
     * @param direction an <code>int</code> specifying the suggested
     *        fetch direction; one of <code>ResultSet.FETCH_FORWARD</code>,
     *        <code>ResultSet.FETCH_REVERSE</code>, or
     *        <code>ResultSet.FETCH_UNKNOWN</code>
     * @exception SQLException if a database access error occurs or
     * the result set type is <code>TYPE_FORWARD_ONLY</code> and the fetch
     * direction is not <code>FETCH_FORWARD</code>
     * @since 1.2
     * @see Statement#setFetchDirection
     * @see #getFetchDirection
     */
    public void setFetchDirection(int direction) {
    }

    /**
     * Retrieves the fetch direction for this
     * <code>ResultSet</code> object.
     *
     * @return the current fetch direction for this <code>ResultSet</code> object
     * @exception SQLException if a database access error occurs
     * @since 1.2
     * @see #setFetchDirection
     */
    public int getFetchDirection() {
        return 0;
    }

    /**
     * Gives the JDBC driver a hint as to the number of rows that should
     * be fetched from the database when more rows are needed for this
     * <code>ResultSet</code> object.
     * If the fetch size specified is zero, the JDBC driver
     * ignores the value and is free to make its own best guess as to what
     * the fetch size should be.  The default value is set by the
     * <code>Statement</code> object
     * that created the result set.  The fetch size may be changed at any time.
     *
     * @param rows the number of rows to fetch
     * @exception SQLException if a database access error occurs or the
     * condition <code>0 <= rows <= Statement.getMaxRows()</code> is not satisfied
     * @since 1.2
     * @see #getFetchSize
     */
    public void setFetchSize(int rows) {
    }

    /**
     * Retrieves the fetch size for this
     * <code>ResultSet</code> object.
     *
     * @return the current fetch size for this <code>ResultSet</code> object
     * @exception SQLException if a database access error occurs
     * @since 1.2
     * @see #setFetchSize
     */
    public int getFetchSize() {
        return 0;
    }

    /**
     * Retrieves the type of this <code>ResultSet</code> object.
     * The type is determined by the <code>Statement</code> object
     * that created the result set.
     *
     * @return <code>ResultSet.TYPE_FORWARD_ONLY</code>,
     *         <code>ResultSet.TYPE_SCROLL_INSENSITIVE</code>,
     *         or <code>ResultSet.TYPE_SCROLL_SENSITIVE</code>
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public int getType() {
        return 0;
    }

    /**
     * Retrieves the concurrency mode of this <code>ResultSet</code> object.
     * The concurrency used is determined by the
     * <code>Statement</code> object that created the result set.
     *
     * @return the concurrency type, either
     *         <code>ResultSet.CONCUR_READ_ONLY</code>
     *         or <code>ResultSet.CONCUR_UPDATABLE</code>
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public int getConcurrency() {
        return 0;
    }

    //---------------------------------------------------------------------
    // Updates
    //---------------------------------------------------------------------

    /**
     * Retrieves whether the current row has been updated.  The value returned
     * depends on whether or not the result set can detect updates.
     *
     * @return <code>true</code> if both (1) the row has been visibly updated
     *         by the owner or another and (2) updates are detected
     * @exception SQLException if a database access error occurs
     * @see DatabaseMetaData#updatesAreDetected
     * @since 1.2
     */
    public boolean rowUpdated() {
        return false;
    }

    /**
     * Retrieves whether the current row has had an insertion.
     * The value returned depends on whether or not this
     * <code>ResultSet</code> object can detect visible inserts.
     *
     * @return <code>true</code> if a row has had an insertion
     * and insertions are detected; <code>false</code> otherwise
     * @exception SQLException if a database access error occurs
     *
     * @see DatabaseMetaData#insertsAreDetected
     * @since 1.2
     */
    public boolean rowInserted() {
        return false;
    }

    /**
     * Retrieves whether a row has been deleted.  A deleted row may leave
     * a visible "hole" in a result set.  This method can be used to
     * detect holes in a result set.  The value returned depends on whether
     * or not this <code>ResultSet</code> object can detect deletions.
     *
     * @return <code>true</code> if a row was deleted and deletions are detected;
     * <code>false</code> otherwise
     * @exception SQLException if a database access error occurs
     *
     * @see DatabaseMetaData#deletesAreDetected
     * @since 1.2
     */
    public boolean rowDeleted() {
        return false;
    }

    /**
     * Gives a nullable column a null value.
     *
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code>
     * or <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateNull(int columnIndex) {
    }

    /**
     * Updates the designated column with a <code>boolean</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBoolean(int columnIndex, boolean x) {
    }

    /**
     * Updates the designated column with a <code>byte</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateByte(int columnIndex, byte x) {
    }

    /**
     * Updates the designated column with a <code>short</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateShort(int columnIndex, short x) {
    }

    /**
     * Updates the designated column with an <code>int</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateInt(int columnIndex, int x) {
    }

    /**
     * Updates the designated column with a <code>long</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateLong(int columnIndex, long x) {
    }

    /**
     * Updates the designated column with a <code>float</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateFloat(int columnIndex, float x) {
    }

    /**
     * Updates the designated column with a <code>double</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateDouble(int columnIndex, double x) {
    }

    /**
     * Updates the designated column with a <code>java.math.BigDecimal</code>
     * value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBigDecimal(int columnIndex, BigDecimal x) {
    }

    /**
     * Updates the designated column with a <code>String</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateString(int columnIndex, String x) {
    }

    /**
     * Updates the designated column with a <code>byte</code> array value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBytes(int columnIndex, byte[] x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Date</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateDate(int columnIndex, java.sql.Date x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Time</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateTime(int columnIndex, java.sql.Time x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Timestamp</code>
     * value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateTimestamp(int columnIndex, java.sql.Timestamp x) {
    }

    /**
     * Updates the designated column with an ascii stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateAsciiStream(int columnIndex, java.io.InputStream x, int length) {
    }

    /**
     * Updates the designated column with a binary stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBinaryStream(int columnIndex, java.io.InputStream x, int length) {
    }

    /**
     * Updates the designated column with a character stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateCharacterStream(int columnIndex, java.io.Reader x, int length) {
    }

    /**
     * Updates the designated column with an <code>Object</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @param scale for <code>java.sql.Types.DECIMA</code>
     *  or <code>java.sql.Types.NUMERIC</code> types,
     *  this is the number of digits after the decimal point.  For all other
     *  types this value will be ignored.
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateObject(int columnIndex, Object x, int scale) {
    }

    /**
     * Updates the designated column with an <code>Object</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateObject(int columnIndex, Object x) {
    }

    /**
     * Updates the designated column with a <code>null</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateNull(String columnName) {
    }

    /**
     * Updates the designated column with a <code>boolean</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBoolean(String columnName, boolean x) {
    }

    /**
     * Updates the designated column with a <code>byte</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateByte(String columnName, byte x) {
    }

    /**
     * Updates the designated column with a <code>short</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateShort(String columnName, short x) {
    }

    /**
     * Updates the designated column with an <code>int</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateInt(String columnName, int x) {
    }

    /**
     * Updates the designated column with a <code>long</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateLong(String columnName, long x) {
    }

    /**
     * Updates the designated column with a <code>float    </code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateFloat(String columnName, float x) {
    }

    /**
     * Updates the designated column with a <code>double</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateDouble(String columnName, double x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.BigDecimal</code>
     * value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBigDecimal(String columnName, BigDecimal x) {
    }

    /**
     * Updates the designated column with a <code>String</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateString(String columnName, String x) {
    }

    /**
     * Updates the designated column with a byte array value.
     *
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code>
     * or <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBytes(String columnName, byte[] x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Date</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateDate(String columnName, java.sql.Date x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Time</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateTime(String columnName, java.sql.Time x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Timestamp</code>
     * value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateTimestamp(String columnName, java.sql.Timestamp x) {
    }

    /**
     * Updates the designated column with an ascii stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateAsciiStream(String columnName, java.io.InputStream x, int length) {
    }

    /**
     * Updates the designated column with a binary stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateBinaryStream(String columnName, java.io.InputStream x, int length) {
    }

    /**
     * Updates the designated column with a character stream value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param reader the <code>java.io.Reader</code> object containing
     *        the new column value
     * @param length the length of the stream
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateCharacterStream(String columnName, java.io.Reader reader, int length) {
    }

    /**
     * Updates the designated column with an <code>Object</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @param scale for <code>java.sql.Types.DECIMAL</code>
     *  or <code>java.sql.Types.NUMERIC</code> types,
     *  this is the number of digits after the decimal point.  For all other
     *  types this value will be ignored.
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateObject(String columnName, Object x, int scale) {
    }

    /**
     * Updates the designated column with an <code>Object</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public void updateObject(String columnName, Object x) {
    }

    /**
     * Inserts the contents of the insert row into this
     * <code>ResultSet</code> object and into the database.
     * The cursor must be on the insert row when this method is called.
     *
     * @exception SQLException if a database access error occurs,
     * if this method is called when the cursor is not on the insert row,
     * or if not all of non-nullable columns in
     * the insert row have been given a value
     * @since 1.2
     */
    public void insertRow() {
    }

    /**
     * Updates the underlying database with the new contents of the
     * current row of this <code>ResultSet</code> object.
     * This method cannot be called when the cursor is on the insert row.
     *
     * @exception SQLException if a database access error occurs or
     * if this method is called when the cursor is on the insert row
     * @since 1.2
     */
    public void updateRow() {
    }

    /**
     * Deletes the current row from this <code>ResultSet</code> object
     * and from the underlying database.  This method cannot be called when
     * the cursor is on the insert row.
     *
     * @exception SQLException if a database access error occurs
     * or if this method is called when the cursor is on the insert row
     * @since 1.2
     */
    public void deleteRow() {
    }

    /**
     * Refreshes the current row with its most recent value in
     * the database.  This method cannot be called when
     * the cursor is on the insert row.
     *
     * <P>The <code>refreshRow</code> method provides a way for an
     * application to
     * explicitly tell the JDBC driver to refetch a row(s) from the
     * database.  An application may want to call <code>refreshRow</code> when
     * caching or prefetching is being done by the JDBC driver to
     * fetch the latest value of a row from the database.  The JDBC driver
     * may actually refresh multiple rows at once if the fetch size is
     * greater than one.
     *
     * <P> All values are refetched subject to the transaction isolation
     * level and cursor sensitivity.  If <code>refreshRow</code> is called after
     * calling an updater method, but before calling
     * the method <code>updateRow</code>, then the
     * updates made to the row are lost.  Calling the method
     * <code>refreshRow</code> frequently will likely slow performance.
     *
     * @exception SQLException if a database access error
     * occurs or if this method is called when the cursor is on the insert row
     * @since 1.2
     */
    public void refreshRow() {
    }

    /**
     * Cancels the updates made to the current row in this
     * <code>ResultSet</code> object.
     * This method may be called after calling an
     * updater method(s) and before calling
     * the method <code>updateRow</code> to roll back
     * the updates made to a row.  If no updates have been made or
     * <code>updateRow</code> has already been called, this method has no
     * effect.
     *
     * @exception SQLException if a database access error
     *            occurs or if this method is called when the cursor is
     *            on the insert row
     * @since 1.2
     */
    public void cancelRowUpdates() {
    }

    /**
     * Moves the cursor to the insert row.  The current cursor position is
     * remembered while the cursor is positioned on the insert row.
     *
     * The insert row is a special row associated with an updatable
     * result set.  It is essentially a buffer where a new row may
     * be constructed by calling the updater methods prior to
     * inserting the row into the result set.
     *
     * Only the updater, getter,
     * and <code>insertRow</code> methods may be
     * called when the cursor is on the insert row.  All of the columns in
     * a result set must be given a value each time this method is
     * called before calling <code>insertRow</code>.
     * An updater method must be called before a
     * getter method can be called on a column value.
     *
     * @exception SQLException if a database access error occurs
     * or the result set is not updatable
     * @since 1.2
     */
    public void moveToInsertRow() {
    }

    /**
     * Moves the cursor to the remembered cursor position, usually the
     * current row.  This method has no effect if the cursor is not on
     * the insert row.
     *
     * @exception SQLException if a database access error occurs
     * or the result set is not updatable
     * @since 1.2
     */
    public void moveToCurrentRow() {
    }

    /**
     * Retrieves the <code>Statement</code> object that produced this
     * <code>ResultSet</code> object.
     * If the result set was generated some other way, such as by a
     * <code>DatabaseMetaData</code> method, this method returns
     * <code>null</code>.
     *
     * @return the <code>Statment</code> object that produced
     * this <code>ResultSet</code> object or <code>null</code>
     * if the result set was produced some other way
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Statement getStatement() {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as an <code>Object</code>
     * in the Java programming language.
     * If the value is an SQL <code>NULL</code>,
     * the driver returns a Java <code>null</code>.
     * This method uses the given <code>Map</code> object
     * for the custom mapping of the
     * SQL structured or distinct type that is being retrieved.
     *
     * @param i the first column is 1, the second is 2, ...
     * @param map a <code>java.util.Map</code> object that contains the mapping
     * from SQL type names to classes in the Java programming language
     * @return an <code>Object</code> in the Java programming language
     * representing the SQL value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Object getObject(int i, java.util.Map map) {
        return getObject(i);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Ref</code> object
     * in the Java programming language.
     *
     * @param i the first column is 1, the second is 2, ...
     * @return a <code>Ref</code> object representing an SQL <code>REF</code>
     *         value
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Ref getRef(int i) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Blob</code> object
     * in the Java programming language.
     *
     * @param i the first column is 1, the second is 2, ...
     * @return a <code>Blob</code> object representing the SQL
     *         <code>BLOB</code> value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Blob getBlob(int i) {
        return (Blob)getObject(i);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Clob</code> object
     * in the Java programming language.
     *
     * @param i the first column is 1, the second is 2, ...
     * @return a <code>Clob</code> object representing the SQL
     *         <code>CLOB</code> value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Clob getClob(int i) {
        return (Clob)getObject(i);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as an <code>Array</code> object
     * in the Java programming language.
     *
     * @param i the first column is 1, the second is 2, ...
     * @return an <code>Array</code> object representing the SQL
     *         <code>ARRAY</code> value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Array getArray(int i) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as an <code>Object</code>
     * in the Java programming language.
     * If the value is an SQL <code>NULL</code>,
     * the driver returns a Java <code>null</code>.
     * This method uses the specified <code>Map</code> object for
     * custom mapping if appropriate.
     *
     * @param colName the name of the column from which to retrieve the value
     * @param map a <code>java.util.Map</code> object that contains the mapping
     * from SQL type names to classes in the Java programming language
     * @return an <code>Object</code> representing the SQL value in the
     *         specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Object getObject(String colName, java.util.Map map) {
        return getObject(colName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Ref</code> object
     * in the Java programming language.
     *
     * @param colName the column name
     * @return a <code>Ref</code> object representing the SQL <code>REF</code>
     *         value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Ref getRef(String colName) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Blob</code> object
     * in the Java programming language.
     *
     * @param colName the name of the column from which to retrieve the value
     * @return a <code>Blob</code> object representing the SQL <code>BLOB</code>
     *         value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Blob getBlob(String colName) {
        return (Blob)getObject(colName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>Clob</code> object
     * in the Java programming language.
     *
     * @param colName the name of the column from which to retrieve the value
     * @return a <code>Clob</code> object representing the SQL <code>CLOB</code>
     * value in the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Clob getClob(String colName) {
        return (Clob)getObject(colName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as an <code>Array</code> object
     * in the Java programming language.
     *
     * @param colName the name of the column from which to retrieve the value
     * @return an <code>Array</code> object representing the SQL <code>ARRAY</code> value in
     *         the specified column
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public Array getArray(String colName) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Date</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the date if the underlying database does not store
     * timezone information.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the date
     * @return the column value as a <code>java.sql.Date</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Date getDate(int columnIndex, Calendar cal) {
        return getDate(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Date</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the date if the underlying database does not store
     * timezone information.
     *
     * @param columnName the SQL name of the column from which to retrieve the value
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the date
     * @return the column value as a <code>java.sql.Date</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Date getDate(String columnName, Calendar cal) {
        return getDate(columnName);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Time</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the time if the underlying database does not store
     * timezone information.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the time
     * @return the column value as a <code>java.sql.Time</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Time getTime(int columnIndex, Calendar cal) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Time</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the time if the underlying database does not store
     * timezone information.
     *
     * @param columnName the SQL name of the column
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the time
     * @return the column value as a <code>java.sql.Time</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Time getTime(String columnName, Calendar cal) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Timestamp</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the timestamp if the underlying database does not store
     * timezone information.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the timestamp
     * @return the column value as a <code>java.sql.Timestamp</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Timestamp getTimestamp(int columnIndex, Calendar cal) {
        return getTimestamp(columnIndex);
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.sql.Timestamp</code> object
     * in the Java programming language.
     * This method uses the given calendar to construct an appropriate millisecond
     * value for the timestamp if the underlying database does not store
     * timezone information.
     *
     * @param columnName the SQL name of the column
     * @param cal the <code>java.util.Calendar</code> object
     * to use in constructing the date
     * @return the column value as a <code>java.sql.Timestamp</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     * @since 1.2
     */
    public java.sql.Timestamp getTimestamp(String columnName, Calendar cal) {
        return getTimestamp(columnName);
    }

    //-------------------------- JDBC 3.0 ----------------------------------------

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.net.URL</code>
     * object in the Java programming language.
     *
     * @param columnIndex the index of the column 1 is the first, 2 is the second,...
     * @return the column value as a <code>java.net.URL</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs,
     *            or if a URL is malformed
     * @since 1.4
     */
    public java.net.URL getURL(int columnIndex) {
        return null;
    }

    /**
     * Retrieves the value of the designated column in the current row
     * of this <code>ResultSet</code> object as a <code>java.net.URL</code>
     * object in the Java programming language.
     *
     * @param columnName the SQL name of the column
     * @return the column value as a <code>java.net.URL</code> object;
     * if the value is SQL <code>NULL</code>,
     * the value returned is <code>null</code> in the Java programming language
     * @exception SQLException if a database access error occurs
     *            or if a URL is malformed
     * @since 1.4
     */
    public java.net.URL getURL(String columnName) {
        return null;
    }

    /**
     * Updates the designated column with a <code>java.sql.Ref</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateRef(int columnIndex, java.sql.Ref x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Ref</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateRef(String columnName, java.sql.Ref x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Blob</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateBlob(int columnIndex, java.sql.Blob x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Blob</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateBlob(String columnName, java.sql.Blob x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Clob</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateClob(int columnIndex, java.sql.Clob x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Clob</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateClob(String columnName, java.sql.Clob x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Array</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnIndex the first column is 1, the second is 2, ...
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateArray(int columnIndex, java.sql.Array x) {
    }

    /**
     * Updates the designated column with a <code>java.sql.Array</code> value.
     * The updater methods are used to update column values in the
     * current row or the insert row.  The updater methods do not
     * update the underlying database; instead the <code>updateRow</code> or
     * <code>insertRow</code> methods are called to update the database.
     *
     * @param columnName the name of the column
     * @param x the new column value
     * @exception SQLException if a database access error occurs
     * @since 1.4
     */
    public void updateArray(String columnName, java.sql.Array x) {
    }

    // 236070: Methods introduced in JDK 1.6
    public int getHoldability()  throws SQLException {
        return 0;
    }
    
    public Reader getNCharacterStream(int columnIndex)  throws SQLException {
        return null;
    }

    public Reader getNCharacterStream(String columnLabel)  throws SQLException {
        return null;
    }

    public NClob getNClob(int columnIndex)  throws SQLException {
        return null;
    }

   public NClob getNClob(String columnLabel)  throws SQLException {
        return null;
    }

   public String getNString(int columnIndex)  throws SQLException {
       return null;       
   }

   public String getNString(String columnLabel)  throws SQLException {
       return null;       
   }
   
   public RowId getRowId(int columnIndex)  throws SQLException {
       return null;
   }
   
   public RowId getRowId(String columnLabel)  throws SQLException {
       return null;
   }
   
   public SQLXML getSQLXML(int columnIndex)  throws SQLException {
       return null;
   }
   
   public SQLXML getSQLXML(String columnLabel)  throws SQLException {
       return null;
   }
   
   public boolean isClosed()  throws SQLException {
       return false;       
   }
   
   public void updateAsciiStream(int columnIndex, InputStream stream, long length)  throws SQLException {       
   }

   public void updateAsciiStream(int columnIndex, InputStream stream)  throws SQLException {       
   }

   public void updateAsciiStream(String columnLabel, InputStream stream, long length)  throws SQLException {       
   }

   public void updateAsciiStream(String columnLabel, InputStream stream)  throws SQLException {       
   }

   public void updateBlob(int columnIndex, InputStream stream, long length)  throws SQLException {       
   }

   public void updateBlob(int columnIndex, InputStream stream)  throws SQLException {       
   }

   public void updateBlob(String columnLabel, InputStream stream, long length)  throws SQLException {       
   }

   public void updateBlob(String columnLabel, InputStream stream)  throws SQLException {       
   }
      
   public void updateBinaryStream(int columnIndex, InputStream stream, long length)  throws SQLException {       
   }

   public void updateBinaryStream(int columnIndex, InputStream stream)  throws SQLException {       
   }

   public void updateBinaryStream(String columnLabel, InputStream stream, long length)  throws SQLException {       
   }

   public void updateBinaryStream(String columnLabel, InputStream stream)  throws SQLException {       
   }
   
   public void updateCharacterStream(int columnIndex, Reader reader, long length)  throws SQLException {       
   }

   public void updateCharacterStream(int columnIndex, Reader reader)  throws SQLException {       
   }

   public void updateCharacterStream(String columnLabel, Reader reader, long length)  throws SQLException {       
   }

   public void updateCharacterStream(String columnLabel, Reader reader)  throws SQLException {       
   }
   
   public void updateClob(int columnIndex, Reader reader, long length)  throws SQLException {       
   }

   public void updateClob(int columnIndex, Reader reader)  throws SQLException {       
   }

   public void updateClob(String columnLabel, Reader reader, long length)  throws SQLException {       
   }

   public void updateClob(String columnLabel, Reader reader)  throws SQLException {       
   }
   
   public void updateNCharacterStream(int columnIndex, Reader reader, long length)  throws SQLException {       
   }

   public void updateNCharacterStream(int columnIndex, Reader reader)  throws SQLException {       
   }

   public void updateNCharacterStream(String columnLabel, Reader reader, long length)  throws SQLException {       
   }

   public void updateNCharacterStream(String columnLabel, Reader reader)  throws SQLException {       
   }

   public void updateNClob(int columnIndex, Reader reader, long length)  throws SQLException {       
   }

   public void updateNClob(int columnIndex, Reader reader)  throws SQLException {       
   }

   public void updateNClob(String columnLabel, Reader reader, long length)  throws SQLException {       
   }

   public void updateNClob(String columnLabel, Reader reader)  throws SQLException {       
   }
  
   public void updateNClob(int columnIndex, NClob nclob)  throws SQLException {       
   }

   public void updateNClob(String columnLabel, NClob nclob)  throws SQLException {       
   }
      
   public void updateNString(int columnIndex, String nString)  throws SQLException {       
   }

   public void updateNString(String columnLabel, String nString)  throws SQLException {       
   }

   public void updateSQLXML(String columnLabel, SQLXML sqlxml)  throws SQLException {      
   }

   public void updateSQLXML(int columnIndex, SQLXML sqlxml)  throws SQLException {       
   }
   
   public void updateRowId(int columnIndex, RowId rowid)  throws SQLException {       
   }
   
   public void updateRowId(String columnLabel, RowId rowid)  throws SQLException {       
   }

   public boolean isWrapperFor(Class<?> iFace) throws SQLException{
       return false;
   }

   public <T>T unwrap(Class<T> iFace)  throws SQLException {
       return iFace.cast(this);
   }

}