/*
 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.sql;

import java.math.BigDecimal;
import java.util.Calendar;
import java.io.Reader;
import java.io.InputStream;

/**
 * An object that represents a precompiled SQL statement.
 * <P>A SQL statement is precompiled and stored in a
 * <code>PreparedStatement</code> object. This object can then be used to
 * efficiently execute this statement multiple times.
 *
 * <P><B>Note:</B> The setter methods (<code>setShort</code>, <code>setString</code>,
 * and so on) for setting IN parameter values
 * must specify types that are compatible with the defined SQL type of
 * the input parameter. For instance, if the IN parameter has SQL type
 * <code>INTEGER</code>, then the method <code>setInt</code> should be used.
 *
 * <p>If arbitrary parameter type conversions are required, the method
 * <code>setObject</code> should be used with a target SQL type.
 * <P>
 * In the following example of setting a parameter, <code>con</code> represents
 * an active connection:
 * <PRE>
 *   PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
 *                                     SET SALARY = ? WHERE ID = ?");
 *   pstmt.setBigDecimal(1, 153833.00)
 *   pstmt.setInt(2, 110592)
 * </PRE>
 *
 * @see Connection#prepareStatement
 * @see ResultSet
 */

public interface PreparedStatement extends Statement {

    /**
     * Executes the SQL query in this <code>PreparedStatement</code> object
     * and returns the <code>ResultSet</code> object generated by the query.
     *
     * @return a <code>ResultSet</code> object that contains the data produced by the
     *         query; never <code>null</code>
     * @exception SQLException if a database access error occurs;
     * this method is called on a closed  <code>PreparedStatement</code> or the SQL
     *            statement does not return a <code>ResultSet</code> object
     * @throws SQLTimeoutException when the driver has determined that the
     * timeout value that was specified by the {@code setQueryTimeout}
     * method has been exceeded and has at least attempted to cancel
     * the currently running {@code Statement}
     */
    ResultSet executeQuery() throws SQLException;

    /**
     * Executes the SQL statement in this <code>PreparedStatement</code> object,
     * which must be an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or
     * <code>DELETE</code>; or an SQL statement that returns nothing,
     * such as a DDL statement.
     *
     * @return either (1) the row count for SQL Data Manipulation Language (DML) statements
     *         or (2) 0 for SQL statements that return nothing
     * @exception SQLException if a database access error occurs;
     * this method is called on a closed  <code>PreparedStatement</code>
     * or the SQL statement returns a <code>ResultSet</code> object
     * @throws SQLTimeoutException when the driver has determined that the
     * timeout value that was specified by the {@code setQueryTimeout}
     * method has been exceeded and has at least attempted to cancel
     * the currently running {@code Statement}
     */
    int executeUpdate() throws SQLException;

    /**
     * Sets the designated parameter to SQL <code>NULL</code>.
     *
     * <P><B>Note:</B> You must specify the parameter's SQL type.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param sqlType the SQL type code defined in <code>java.sql.Types</code>
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @exception SQLFeatureNotSupportedException if <code>sqlType</code> is
     * a <code>ARRAY</code>, <code>BLOB</code>, <code>CLOB</code>,
     * <code>DATALINK</code>, <code>JAVA_OBJECT</code>, <code>NCHAR</code>,
     * <code>NCLOB</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code>,
     *  <code>REF</code>, <code>ROWID</code>, <code>SQLXML</code>
     * or  <code>STRUCT</code> data type and the JDBC driver does not support
     * this data type
     */
    void setNull(int parameterIndex, int sqlType) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>boolean</code> value.
     * The driver converts this
     * to an SQL <code>BIT</code> or <code>BOOLEAN</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement;
     * if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setBoolean(int parameterIndex, boolean x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>byte</code> value.
     * The driver converts this
     * to an SQL <code>TINYINT</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setByte(int parameterIndex, byte x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>short</code> value.
     * The driver converts this
     * to an SQL <code>SMALLINT</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setShort(int parameterIndex, short x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>int</code> value.
     * The driver converts this
     * to an SQL <code>INTEGER</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setInt(int parameterIndex, int x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>long</code> value.
     * The driver converts this
     * to an SQL <code>BIGINT</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setLong(int parameterIndex, long x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>float</code> value.
     * The driver converts this
     * to an SQL <code>REAL</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setFloat(int parameterIndex, float x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>double</code> value.
     * The driver converts this
     * to an SQL <code>DOUBLE</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setDouble(int parameterIndex, double x) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.math.BigDecimal</code> value.
     * The driver converts this to an SQL <code>NUMERIC</code> value when
     * it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java <code>String</code> value.
     * The driver converts this
     * to an SQL <code>VARCHAR</code> or <code>LONGVARCHAR</code> value
     * (depending on the argument's
     * size relative to the driver's limits on <code>VARCHAR</code> values)
     * when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setString(int parameterIndex, String x) throws SQLException;

    /**
     * Sets the designated parameter to the given Java array of bytes.  The driver converts
     * this to an SQL <code>VARBINARY</code> or <code>LONGVARBINARY</code>
     * (depending on the argument's size relative to the driver's limits on
     * <code>VARBINARY</code> values) when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setBytes(int parameterIndex, byte x[]) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Date</code> value
     * using the default time zone of the virtual machine that is running
     * the application.
     * The driver converts this
     * to an SQL <code>DATE</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setDate(int parameterIndex, java.sql.Date x)
            throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Time</code> value.
     * The driver converts this
     * to an SQL <code>TIME</code> value when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setTime(int parameterIndex, java.sql.Time x)
            throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value.
     * The driver
     * converts this to an SQL <code>TIMESTAMP</code> value when it sends it to the
     * database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>     */
    void setTimestamp(int parameterIndex, java.sql.Timestamp x)
            throws SQLException;

    /**
     * Sets the designated parameter to the given input stream, which will have
     * the specified number of bytes.
     * When a very large ASCII value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code>. Data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from ASCII to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the Java input stream that contains the ASCII parameter value
     * @param length the number of bytes in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setAsciiStream(int parameterIndex, java.io.InputStream x, int length)
            throws SQLException;

    /**
     * Sets the designated parameter to the given input stream, which
     * will have the specified number of bytes.
     *
     * When a very large Unicode value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code> object. The data will be read from the
     * stream as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from Unicode to the database char format.
     *
     *The byte format of the Unicode stream must be a Java UTF-8, as defined in the
     *Java Virtual Machine Specification.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x a <code>java.io.InputStream</code> object that contains the
     *        Unicode parameter value
     * @param length the number of bytes in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @deprecated
     */
    void setUnicodeStream(int parameterIndex, java.io.InputStream x,
                          int length) throws SQLException;

    /**
     * Sets the designated parameter to the given input stream, which will have
     * the specified number of bytes.
     * When a very large binary value is input to a <code>LONGVARBINARY</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code> object. The data will be read from the
     * stream as needed until end-of-file is reached.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the java input stream which contains the binary parameter value
     * @param length the number of bytes in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void setBinaryStream(int parameterIndex, java.io.InputStream x,
                         int length) throws SQLException;

    /**
     * Clears the current parameter values immediately.
     * <P>In general, parameter values remain in force for repeated use of a
     * statement. Setting a parameter value automatically clears its
     * previous value.  However, in some cases it is useful to immediately
     * release the resources used by the current parameter values; this can
     * be done by calling the method <code>clearParameters</code>.
     *
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     */
    void clearParameters() throws SQLException;

    //----------------------------------------------------------------------
    // Advanced features:

   /**
    * Sets the value of the designated parameter with the given object.
    * This method is like the method <code>setObject</code>
    * above, except that it assumes a scale of zero.
    *
    * @param parameterIndex the first parameter is 1, the second is 2, ...
    * @param x the object containing the input parameter value
    * @param targetSqlType the SQL type (as defined in java.sql.Types) to be
    *                      sent to the database
    * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
    * this method is called on a closed <code>PreparedStatement</code>
    * @exception SQLFeatureNotSupportedException if <code>targetSqlType</code> is
    * a <code>ARRAY</code>, <code>BLOB</code>, <code>CLOB</code>,
    * <code>DATALINK</code>, <code>JAVA_OBJECT</code>, <code>NCHAR</code>,
    * <code>NCLOB</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code>,
    *  <code>REF</code>, <code>ROWID</code>, <code>SQLXML</code>
    * or  <code>STRUCT</code> data type and the JDBC driver does not support
    * this data type
    * @see Types
    */
    void setObject(int parameterIndex, Object x, int targetSqlType)
      throws SQLException;

    /**
     * <p>Sets the value of the designated parameter using the given object.
     * The second parameter must be of type <code>Object</code>; therefore, the
     * <code>java.lang</code> equivalent objects should be used for built-in types.
     *
     * <p>The JDBC specification specifies a standard mapping from
     * Java <code>Object</code> types to SQL types.  The given argument
     * will be converted to the corresponding SQL type before being
     * sent to the database.
     *
     * <p>Note that this method may be used to pass datatabase-
     * specific abstract data types, by using a driver-specific Java
     * type.
     *
     * If the object is of a class implementing the interface <code>SQLData</code>,
     * the JDBC driver should call the method <code>SQLData.writeSQL</code>
     * to write it to the SQL data stream.
     * If, on the other hand, the object is of a class implementing
     * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>,  <code>NClob</code>,
     *  <code>Struct</code>, <code>java.net.URL</code>, <code>RowId</code>, <code>SQLXML</code>
     * or <code>Array</code>, the driver should pass it to the database as a
     * value of the corresponding SQL type.
     * <P>
     *<b>Note:</b> Not all databases allow for a non-typed Null to be sent to
     * the backend. For maximum portability, the <code>setNull</code> or the
     * <code>setObject(int parameterIndex, Object x, int sqlType)</code>
     * method should be used
     * instead of <code>setObject(int parameterIndex, Object x)</code>.
     *<p>
     * <b>Note:</b> This method throws an exception if there is an ambiguity, for example, if the
     * object is of a class implementing more than one of the interfaces named above.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the object containing the input parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs;
     *  this method is called on a closed <code>PreparedStatement</code>
     * or the type of the given object is ambiguous
     */
    void setObject(int parameterIndex, Object x) throws SQLException;

    /**
     * Executes the SQL statement in this <code>PreparedStatement</code> object,
     * which may be any kind of SQL statement.
     * Some prepared statements return multiple results; the <code>execute</code>
     * method handles these complex statements as well as the simpler
     * form of statements handled by the methods <code>executeQuery</code>
     * and <code>executeUpdate</code>.
     * <P>
     * The <code>execute</code> method returns a <code>boolean</code> to
     * indicate the form of the first result.  You must call either the method
     * <code>getResultSet</code> or <code>getUpdateCount</code>
     * to retrieve the result; you must call <code>getMoreResults</code> to
     * move to any subsequent result(s).
     *
     * @return <code>true</code> if the first result is a <code>ResultSet</code>
     *         object; <code>false</code> if the first result is an update
     *         count or there is no result
     * @exception SQLException if a database access error occurs;
     * this method is called on a closed <code>PreparedStatement</code>
     * or an argument is supplied to this method
     * @throws SQLTimeoutException when the driver has determined that the
     * timeout value that was specified by the {@code setQueryTimeout}
     * method has been exceeded and has at least attempted to cancel
     * the currently running {@code Statement}
     * @see Statement#execute
     * @see Statement#getResultSet
     * @see Statement#getUpdateCount
     * @see Statement#getMoreResults

     */
    boolean execute() throws SQLException;

    //--------------------------JDBC 2.0-----------------------------

    /**
     * Adds a set of parameters to this <code>PreparedStatement</code>
     * object's batch of commands.
     *
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @see Statement#addBatch
     * @since 1.2
     */
    void addBatch() throws SQLException;

    /**
     * Sets the designated parameter to the given <code>Reader</code>
     * object, which is the given number of characters long.
     * When a very large UNICODE value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.Reader</code> object. The data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from UNICODE to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param reader the <code>java.io.Reader</code> object that contains the
     *        Unicode data
     * @param length the number of characters in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.2
     */
    void setCharacterStream(int parameterIndex,
                          java.io.Reader reader,
                          int length) throws SQLException;

    /**
     * Sets the designated parameter to the given
     *  <code>REF(&lt;structured-type&gt;)</code> value.
     * The driver converts this to an SQL <code>REF</code> value when it
     * sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x an SQL <code>REF</code> value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.2
     */
    void setRef (int parameterIndex, Ref x) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Blob</code> object.
     * The driver converts this to an SQL <code>BLOB</code> value when it
     * sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x a <code>Blob</code> object that maps an SQL <code>BLOB</code> value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.2
     */
    void setBlob (int parameterIndex, Blob x) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Clob</code> object.
     * The driver converts this to an SQL <code>CLOB</code> value when it
     * sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x a <code>Clob</code> object that maps an SQL <code>CLOB</code> value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.2
     */
    void setClob (int parameterIndex, Clob x) throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Array</code> object.
     * The driver converts this to an SQL <code>ARRAY</code> value when it
     * sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x an <code>Array</code> object that maps an SQL <code>ARRAY</code> value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.2
     */
    void setArray (int parameterIndex, Array x) throws SQLException;

    /**
     * Retrieves a <code>ResultSetMetaData</code> object that contains
     * information about the columns of the <code>ResultSet</code> object
     * that will be returned when this <code>PreparedStatement</code> object
     * is executed.
     * <P>
     * Because a <code>PreparedStatement</code> object is precompiled, it is
     * possible to know about the <code>ResultSet</code> object that it will
     * return without having to execute it.  Consequently, it is possible
     * to invoke the method <code>getMetaData</code> on a
     * <code>PreparedStatement</code> object rather than waiting to execute
     * it and then invoking the <code>ResultSet.getMetaData</code> method
     * on the <code>ResultSet</code> object that is returned.
     * <P>
     * <B>NOTE:</B> Using this method may be expensive for some drivers due
     * to the lack of underlying DBMS support.
     *
     * @return the description of a <code>ResultSet</code> object's columns or
     *         <code>null</code> if the driver cannot return a
     *         <code>ResultSetMetaData</code> object
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @since 1.2
     */
    ResultSetMetaData getMetaData() throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Date</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>DATE</code> value,
     * which the driver then sends to the database.  With
     * a <code>Calendar</code> object, the driver can calculate the date
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the date
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.2
     */
    void setDate(int parameterIndex, java.sql.Date x, Calendar cal)
            throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Time</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>TIME</code> value,
     * which the driver then sends to the database.  With
     * a <code>Calendar</code> object, the driver can calculate the time
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the time
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.2
     */
    void setTime(int parameterIndex, java.sql.Time x, Calendar cal)
            throws SQLException;

    /**
     * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value,
     * using the given <code>Calendar</code> object.  The driver uses
     * the <code>Calendar</code> object to construct an SQL <code>TIMESTAMP</code> value,
     * which the driver then sends to the database.  With a
     *  <code>Calendar</code> object, the driver can calculate the timestamp
     * taking into account a custom timezone.  If no
     * <code>Calendar</code> object is specified, the driver uses the default
     * timezone, which is that of the virtual machine running the application.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @param cal the <code>Calendar</code> object the driver will use
     *            to construct the timestamp
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.2
     */
    void setTimestamp(int parameterIndex, java.sql.Timestamp x, Calendar cal)
            throws SQLException;

    /**
     * Sets the designated parameter to SQL <code>NULL</code>.
     * This version of the method <code>setNull</code> should
     * be used for user-defined types and REF type parameters.  Examples
     * of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and
     * named array types.
     *
     * <P><B>Note:</B> To be portable, applications must give the
     * SQL type code and the fully-qualified SQL type name when specifying
     * a NULL user-defined or REF parameter.  In the case of a user-defined type
     * the name is the type name of the parameter itself.  For a REF
     * parameter, the name is the type name of the referenced type.  If
     * a JDBC driver does not need the type code or type name information,
     * it may ignore it.
     *
     * Although it is intended for user-defined and Ref parameters,
     * this method may be used to set a null parameter of any JDBC type.
     * If the parameter does not have a user-defined or REF type, the given
     * typeName is ignored.
     *
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param sqlType a value from <code>java.sql.Types</code>
     * @param typeName the fully-qualified name of an SQL user-defined type;
     *  ignored if the parameter is not a user-defined type or REF
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @exception SQLFeatureNotSupportedException if <code>sqlType</code> is
     * a <code>ARRAY</code>, <code>BLOB</code>, <code>CLOB</code>,
     * <code>DATALINK</code>, <code>JAVA_OBJECT</code>, <code>NCHAR</code>,
     * <code>NCLOB</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code>,
     *  <code>REF</code>, <code>ROWID</code>, <code>SQLXML</code>
     * or  <code>STRUCT</code> data type and the JDBC driver does not support
     * this data type or if the JDBC driver does not support this method
     * @since 1.2
     */
  void setNull (int parameterIndex, int sqlType, String typeName)
    throws SQLException;

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

    /**
     * Sets the designated parameter to the given <code>java.net.URL</code> value.
     * The driver converts this to an SQL <code>DATALINK</code> value
     * when it sends it to the database.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the <code>java.net.URL</code> object to be set
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.4
     */
    void setURL(int parameterIndex, java.net.URL x) throws SQLException;

    /**
     * Retrieves the number, types and properties of this
     * <code>PreparedStatement</code> object's parameters.
     *
     * @return a <code>ParameterMetaData</code> object that contains information
     *         about the number, types and properties for each
     *  parameter marker of this <code>PreparedStatement</code> object
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @see ParameterMetaData
     * @since 1.4
     */
    ParameterMetaData getParameterMetaData() throws SQLException;

    //------------------------- JDBC 4.0 -----------------------------------

    /**
     * Sets the designated parameter to the given <code>java.sql.RowId</code> object. The
     * driver converts this to a SQL <code>ROWID</code> value when it sends it
     * to the database
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the parameter value
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     *
     * @since 1.6
     */
    void setRowId(int parameterIndex, RowId x) throws SQLException;


    /**
     * Sets the designated parameter to the given <code>String</code> object.
     * The driver converts this to a SQL <code>NCHAR</code> or
     * <code>NVARCHAR</code> or <code>LONGNVARCHAR</code> value
     * (depending on the argument's
     * size relative to the driver's limits on <code>NVARCHAR</code> values)
     * when it sends it to the database.
     *
     * @param parameterIndex of the first parameter is 1, the second is 2, ...
     * @param value the parameter value
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if the driver does not support national
     *         character sets;  if the driver can detect that a data conversion
     *  error could occur; if a database access error occurs; or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setNString(int parameterIndex, String value) throws SQLException;

    /**
     * Sets the designated parameter to a <code>Reader</code> object. The
     * <code>Reader</code> reads the data till end-of-file is reached. The
     * driver does the necessary conversion from Java character format to
     * the national character set in the database.
     * @param parameterIndex of the first parameter is 1, the second is 2, ...
     * @param value the parameter value
     * @param length the number of characters in the parameter data.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if the driver does not support national
     *         character sets;  if the driver can detect that a data conversion
     *  error could occur; if a database access error occurs; or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException;

    /**
     * Sets the designated parameter to a <code>java.sql.NClob</code> object. The driver converts this to a
     * SQL <code>NCLOB</code> value when it sends it to the database.
     * @param parameterIndex of the first parameter is 1, the second is 2, ...
     * @param value the parameter value
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if the driver does not support national
     *         character sets;  if the driver can detect that a data conversion
     *  error could occur; if a database access error occurs; or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setNClob(int parameterIndex, NClob value) throws SQLException;

    /**
     * Sets the designated parameter to a <code>Reader</code> object.  The reader must contain  the number
     * of characters specified by length otherwise a <code>SQLException</code> will be
     * generated when the <code>PreparedStatement</code> is executed.
     *This method differs from the <code>setCharacterStream (int, Reader, int)</code> method
     * because it informs the driver that the parameter value should be sent to
     * the server as a <code>CLOB</code>.  When the <code>setCharacterStream</code> method is used, the
     * driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGVARCHAR</code> or a <code>CLOB</code>
     * @param parameterIndex index of the first parameter is 1, the second is 2, ...
     * @param reader An object that contains the data to set the parameter value to.
     * @param length the number of characters in the parameter data.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs; this method is called on
     * a closed <code>PreparedStatement</code> or if the length specified is less than zero.
     *
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setClob(int parameterIndex, Reader reader, long length)
       throws SQLException;

    /**
     * Sets the designated parameter to a <code>InputStream</code> object.  The inputstream must contain  the number
     * of characters specified by length otherwise a <code>SQLException</code> will be
     * generated when the <code>PreparedStatement</code> is executed.
     * This method differs from the <code>setBinaryStream (int, InputStream, int)</code>
     * method because it informs the driver that the parameter value should be
     * sent to the server as a <code>BLOB</code>.  When the <code>setBinaryStream</code> method is used,
     * the driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGVARBINARY</code> or a <code>BLOB</code>
     * @param parameterIndex index of the first parameter is 1,
     * the second is 2, ...
     * @param inputStream An object that contains the data to set the parameter
     * value to.
     * @param length the number of bytes in the parameter data.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs;
     * this method is called on a closed <code>PreparedStatement</code>;
     *  if the length specified
     * is less than zero or if the number of bytes in the inputstream does not match
     * the specfied length.
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     *
     * @since 1.6
     */
     void setBlob(int parameterIndex, InputStream inputStream, long length)
        throws SQLException;
    /**
     * Sets the designated parameter to a <code>Reader</code> object.  The reader must contain  the number
     * of characters specified by length otherwise a <code>SQLException</code> will be
     * generated when the <code>PreparedStatement</code> is executed.
     * This method differs from the <code>setCharacterStream (int, Reader, int)</code> method
     * because it informs the driver that the parameter value should be sent to
     * the server as a <code>NCLOB</code>.  When the <code>setCharacterStream</code> method is used, the
     * driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGNVARCHAR</code> or a <code>NCLOB</code>
     * @param parameterIndex index of the first parameter is 1, the second is 2, ...
     * @param reader An object that contains the data to set the parameter value to.
     * @param length the number of characters in the parameter data.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if the length specified is less than zero;
     * if the driver does not support national character sets;
     * if the driver can detect that a data conversion
     *  error could occur;  if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     *
     * @since 1.6
     */
     void setNClob(int parameterIndex, Reader reader, long length)
       throws SQLException;

     /**
      * Sets the designated parameter to the given <code>java.sql.SQLXML</code> object.
      * The driver converts this to an
      * SQL <code>XML</code> value when it sends it to the database.
      * <p>
      *
      * @param parameterIndex index of the first parameter is 1, the second is 2, ...
      * @param xmlObject a <code>SQLXML</code> object that maps an SQL <code>XML</code> value
      * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs;
      *  this method is called on a closed <code>PreparedStatement</code>
      * or the <code>java.xml.transform.Result</code>,
      *  <code>Writer</code> or <code>OutputStream</code> has not been closed for
      * the <code>SQLXML</code> object
      * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
      *
      * @since 1.6
      */
     void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException;

    /**
     * <p>Sets the value of the designated parameter with the given object. The second
     * argument must be an object type; for integral values, the
     * <code>java.lang</code> equivalent objects should be used.
     *
     * If the second argument is an <code>InputStream</code> then the stream must contain
     * the number of bytes specified by scaleOrLength.  If the second argument is a
     * <code>Reader</code> then the reader must contain the number of characters specified
     * by scaleOrLength. If these conditions are not true the driver will generate a
     * <code>SQLException</code> when the prepared statement is executed.
     *
     * <p>The given Java object will be converted to the given targetSqlType
     * before being sent to the database.
     *
     * If the object has a custom mapping (is of a class implementing the
     * interface <code>SQLData</code>),
     * the JDBC driver should call the method <code>SQLData.writeSQL</code> to
     * write it to the SQL data stream.
     * If, on the other hand, the object is of a class implementing
     * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>,  <code>NClob</code>,
     *  <code>Struct</code>, <code>java.net.URL</code>,
     * or <code>Array</code>, the driver should pass it to the database as a
     * value of the corresponding SQL type.
     *
     * <p>Note that this method may be used to pass database-specific
     * abstract data types.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the object containing the input parameter value
     * @param targetSqlType the SQL type (as defined in java.sql.Types) to be
     * sent to the database. The scale argument may further qualify this type.
     * @param scaleOrLength for <code>java.sql.Types.DECIMAL</code>
     *          or <code>java.sql.Types.NUMERIC types</code>,
     *          this is the number of digits after the decimal point. For
     *          Java Object types <code>InputStream</code> and <code>Reader</code>,
     *          this is the length
     *          of the data in the stream or reader.  For all other types,
     *          this value will be ignored.
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs;
     * this method is called on a closed <code>PreparedStatement</code> or
     *            if the Java Object specified by x is an InputStream
     *            or Reader object and the value of the scale parameter is less
     *            than zero
     * @exception SQLFeatureNotSupportedException if <code>targetSqlType</code> is
     * a <code>ARRAY</code>, <code>BLOB</code>, <code>CLOB</code>,
     * <code>DATALINK</code>, <code>JAVA_OBJECT</code>, <code>NCHAR</code>,
     * <code>NCLOB</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code>,
     *  <code>REF</code>, <code>ROWID</code>, <code>SQLXML</code>
     * or  <code>STRUCT</code> data type and the JDBC driver does not support
     * this data type
     * @see Types
     *
     * @since 1.6
     */
    void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength)
            throws SQLException;
   /**
     * Sets the designated parameter to the given input stream, which will have
     * the specified number of bytes.
     * When a very large ASCII value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code>. Data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from ASCII to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the Java input stream that contains the ASCII parameter value
     * @param length the number of bytes in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.6
    */
    void setAsciiStream(int parameterIndex, java.io.InputStream x, long length)
            throws SQLException;
    /**
     * Sets the designated parameter to the given input stream, which will have
     * the specified number of bytes.
     * When a very large binary value is input to a <code>LONGVARBINARY</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code> object. The data will be read from the
     * stream as needed until end-of-file is reached.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the java input stream which contains the binary parameter value
     * @param length the number of bytes in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.6
     */
    void setBinaryStream(int parameterIndex, java.io.InputStream x,
                         long length) throws SQLException;
        /**
     * Sets the designated parameter to the given <code>Reader</code>
     * object, which is the given number of characters long.
     * When a very large UNICODE value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.Reader</code> object. The data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from UNICODE to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param reader the <code>java.io.Reader</code> object that contains the
     *        Unicode data
     * @param length the number of characters in the stream
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @since 1.6
     */
    void setCharacterStream(int parameterIndex,
                          java.io.Reader reader,
                          long length) throws SQLException;
    //-----
    /**
     * Sets the designated parameter to the given input stream.
     * When a very large ASCII value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code>. Data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from ASCII to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setAsciiStream</code> which takes a length parameter.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the Java input stream that contains the ASCII parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
       * @since 1.6
    */
    void setAsciiStream(int parameterIndex, java.io.InputStream x)
            throws SQLException;
    /**
     * Sets the designated parameter to the given input stream.
     * When a very large binary value is input to a <code>LONGVARBINARY</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.InputStream</code> object. The data will be read from the
     * stream as needed until end-of-file is reached.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setBinaryStream</code> which takes a length parameter.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param x the java input stream which contains the binary parameter value
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
    void setBinaryStream(int parameterIndex, java.io.InputStream x)
    throws SQLException;
        /**
     * Sets the designated parameter to the given <code>Reader</code>
     * object.
     * When a very large UNICODE value is input to a <code>LONGVARCHAR</code>
     * parameter, it may be more practical to send it via a
     * <code>java.io.Reader</code> object. The data will be read from the stream
     * as needed until end-of-file is reached.  The JDBC driver will
     * do any necessary conversion from UNICODE to the database char format.
     *
     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setCharacterStream</code> which takes a length parameter.
     *
     * @param parameterIndex the first parameter is 1, the second is 2, ...
     * @param reader the <code>java.io.Reader</code> object that contains the
     *        Unicode data
     * @exception SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
    void setCharacterStream(int parameterIndex,
                          java.io.Reader reader) throws SQLException;
  /**
     * Sets the designated parameter to a <code>Reader</code> object. The
     * <code>Reader</code> reads the data till end-of-file is reached. The
     * driver does the necessary conversion from Java character format to
     * the national character set in the database.

     * <P><B>Note:</B> This stream object can either be a standard
     * Java stream object or your own subclass that implements the
     * standard interface.
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setNCharacterStream</code> which takes a length parameter.
     *
     * @param parameterIndex of the first parameter is 1, the second is 2, ...
     * @param value the parameter value
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if the driver does not support national
     *         character sets;  if the driver can detect that a data conversion
     *  error could occur; if a database access error occurs; or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setNCharacterStream(int parameterIndex, Reader value) throws SQLException;

    /**
     * Sets the designated parameter to a <code>Reader</code> object.
     * This method differs from the <code>setCharacterStream (int, Reader)</code> method
     * because it informs the driver that the parameter value should be sent to
     * the server as a <code>CLOB</code>.  When the <code>setCharacterStream</code> method is used, the
     * driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGVARCHAR</code> or a <code>CLOB</code>
     *
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setClob</code> which takes a length parameter.
     *
     * @param parameterIndex index of the first parameter is 1, the second is 2, ...
     * @param reader An object that contains the data to set the parameter value to.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs; this method is called on
     * a closed <code>PreparedStatement</code>or if parameterIndex does not correspond to a parameter
     * marker in the SQL statement
     *
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     * @since 1.6
     */
     void setClob(int parameterIndex, Reader reader)
       throws SQLException;

    /**
     * Sets the designated parameter to a <code>InputStream</code> object.
     * This method differs from the <code>setBinaryStream (int, InputStream)</code>
     * method because it informs the driver that the parameter value should be
     * sent to the server as a <code>BLOB</code>.  When the <code>setBinaryStream</code> method is used,
     * the driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGVARBINARY</code> or a <code>BLOB</code>
     *
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setBlob</code> which takes a length parameter.
     *
     * @param parameterIndex index of the first parameter is 1,
     * the second is 2, ...
     * @param inputStream An object that contains the data to set the parameter
     * value to.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement; if a database access error occurs;
     * this method is called on a closed <code>PreparedStatement</code> or
     * if parameterIndex does not correspond
     * to a parameter marker in the SQL statement,
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     *
     * @since 1.6
     */
     void setBlob(int parameterIndex, InputStream inputStream)
        throws SQLException;
    /**
     * Sets the designated parameter to a <code>Reader</code> object.
     * This method differs from the <code>setCharacterStream (int, Reader)</code> method
     * because it informs the driver that the parameter value should be sent to
     * the server as a <code>NCLOB</code>.  When the <code>setCharacterStream</code> method is used, the
     * driver may have to do extra work to determine whether the parameter
     * data should be sent to the server as a <code>LONGNVARCHAR</code> or a <code>NCLOB</code>
     * <P><B>Note:</B> Consult your JDBC driver documentation to determine if
     * it might be more efficient to use a version of
     * <code>setNClob</code> which takes a length parameter.
     *
     * @param parameterIndex index of the first parameter is 1, the second is 2, ...
     * @param reader An object that contains the data to set the parameter value to.
     * @throws SQLException if parameterIndex does not correspond to a parameter
     * marker in the SQL statement;
     * if the driver does not support national character sets;
     * if the driver can detect that a data conversion
     *  error could occur;  if a database access error occurs or
     * this method is called on a closed <code>PreparedStatement</code>
     * @throws SQLFeatureNotSupportedException  if the JDBC driver does not support this method
     *
     * @since 1.6
     */
     void setNClob(int parameterIndex, Reader reader)
       throws SQLException;


}
