gcc/libjava/java/sql/PreparedStatement.java

/* PreparedStatement.java -- Interface for pre-compiled statements.
   Copyright (C) 1999, 2000 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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GNU Classpath 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 for more details.

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02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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this exception to your version of the library, but you are not
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package java.sql;

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

/**
 * This interface provides a mechanism for executing pre-compiled
 * statements.  This provides greater efficiency when calling the same
 * statement multiple times.  Parameters are allowed in a statement,
 * providings for maximum reusability.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 */
public interface PreparedStatement extends Statement 
{
  /**
   * This method executes a prepared SQL query and returns its ResultSet.
   *
   * @return The ResultSet of the SQL statement.
   * @exception SQLException If an error occurs.
   */
  public ResultSet executeQuery() throws SQLException;

  /**
   * This method executes an SQL INSERT, UPDATE or DELETE statement.  SQL
   * statements that return nothing such as SQL DDL statements can be executed.
   *
   * @return The result is either the row count for INSERT, UPDATE or DELETE
   *         statements; or 0 for SQL statements that return nothing.
   * @exception SQLException If an error occurs.
   */
  public int executeUpdate() throws SQLException;

  /**
   * This method populates the specified parameter with a SQL NULL value
   * for the specified type.
   *
   * @param index The index of the parameter to set.
   * @param type The SQL type identifier of the parameter from <code>Types</code>
   *
   * @exception SQLException If an error occurs.
   */
  public void setNull(int parameterIndex, int sqlType) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>boolean</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setBoolean(int parameterIndex, boolean x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>byte</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setByte(int parameterIndex, byte x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>short</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setShort(int parameterIndex, short x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>int</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setInt(int parameterIndex, int x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>long</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setLong(int parameterIndex, long x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>float</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setFloat(int parameterIndex, float x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>double</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setDouble(int parameterIndex, double x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.math.BigDecimal</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setBigDecimal(int parameterIndex, BigDecimal x) throws
      SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>String</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setString(int parameterIndex, String x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>byte</code> array value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setBytes(int parameterIndex, byte[] x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Date</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setDate(int parameterIndex, Date x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Time</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setTime(int parameterIndex, Time x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Timestamp</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setTimestamp(int parameterIndex, Timestamp x)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * ASCII <code>InputStream</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param length The number of bytes in the stream.
   * @exception SQLException If an error occurs.
   */
  public void setAsciiStream(int parameterIndex, InputStream x, int length)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * Unicode UTF-8 <code>InputStream</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param length The number of bytes in the stream.
   * @exception SQLException If an error occurs.
   * @deprecated
   */
  public void setUnicodeStream(int parameterIndex, InputStream x, int length)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * binary <code>InputStream</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param length The number of bytes in the stream.
   * @exception SQLException If an error occurs.
   */
  public void setBinaryStream(int parameterIndex, InputStream x, int length)
    throws SQLException;

  /**
   * This method clears all of the input parameter that have been
   * set on this statement.
   *
   * @exception SQLException If an error occurs.
   */
  public void clearParameters() throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Object</code> value.  The specified SQL object type will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param type The SQL type to use for the parameter, from <code>Types</code>
   * @param scale The scale of the value, for numeric values only.
   * @exception SQLException If an error occurs.
   * @see Types
   */
  public void setObject(int parameterIndex, Object x, int targetSqlType,
    int scale) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Object</code> value.  The specified SQL object type will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param type The SQL type to use for the parameter, from <code>Types</code>
   * @exception SQLException If an error occurs.
   * @see Types
   */
  public void setObject(int parameterIndex, Object x, int targetSqlType)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Object</code> value.  The default object type to SQL type mapping
   * will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setObject(int parameterIndex, Object x) throws SQLException;

  /**
   * This method executes a prepared SQL query.
   * Some prepared statements return multiple results; the execute method
   * handles these complex statements as well as the simpler form of
   * statements handled by executeQuery and executeUpdate.
   *
   * @return The result of the SQL statement.
   * @exception SQLException If an error occurs.
   */
  public boolean execute() throws SQLException;

  /**
   * This method adds a set of parameters to the batch for JDBC 2.0.
   * @exception SQLException If an error occurs.
   */
  public void addBatch() throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * character <code>Reader</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param length The number of bytes in the stream.
   * @exception SQLException If an error occurs.
   */
  public void setCharacterStream(int parameterIndex, Reader reader,
    int length) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Ref</code> value.  The default object type to SQL type mapping
   * will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setRef(int i, Ref x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Blob</code> value.  The default object type to SQL type mapping
   * will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setBlob(int i, Blob x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Clob</code> value.  The default object type to SQL type mapping
   * will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setClob(int i, Clob x) throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>Array</code> value.  The default object type to SQL type mapping
   * will be used.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @exception SQLException If an error occurs.
   */
  public void setArray(int i, Array x) throws SQLException;

  /**
   * This method returns meta data for the result set from this statement.
   *
   * @return Meta data for the result set from this statement.
   * @exception SQLException If an error occurs.
   */
  public ResultSetMetaData getMetaData() throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Date</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param calendar The <code>Calendar</code> to use for timezone and locale.
   * @exception SQLException If an error occurs.
   */
  public void setDate(int parameterIndex, Date x, Calendar cal)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Time</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param calendar The <code>Calendar</code> to use for timezone and locale.
   * @exception SQLException If an error occurs.
   */
  public void setTime(int parameterIndex, Time x, Calendar cal)
    throws SQLException;

  /**
   * This method sets the specified parameter from the given Java
   * <code>java.sql.Timestamp</code> value.
   *
   * @param index The index of the parameter value to set.
   * @param value The value of the parameter.
   * @param calendar The <code>Calendar</code> to use for timezone and locale.
   * @exception SQLException If an error occurs.
   */
  public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal)
    throws SQLException;

  /**
   * This method populates the specified parameter with a SQL NULL value
   * for the specified type.
   *
   * @param index The index of the parameter to set.
   * @param type The SQL type identifier of the parameter from <code>Types</code>
   * @param name The name of the data type, for user defined types.
   * @exception SQLException If an error occurs.
   */
  public void setNull(int paramIndex, int sqlType, String typeName)
    throws SQLException;

  /**
   * @since 1.4
   */
  public void setURL(int parameterIndex, URL x) throws SQLException;

  /**
   * @since 1.4
   */
  public ParameterMetaData getParameterMetaData() throws SQLException;
}