resultconstants.java

hsqldb是100％java实现的数据库,是一个开放源代码的JAVA数据库 l 具有标准的SQL语法和JAVA接口 l HSQLDB可以自由使用和分发 l 非常简洁和快速的

/* Copyright (c) 2001-2005, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


package org.hsqldb;

// This can probably just be merged with Result.

/**
 * An enumeration of the request and response mode values used to communicate
 * between the client and the engine when sending Result objects back
 * and forth.
 *
 * @author boucherb@users
 * @since 1.7.2
 * @version 1.7.2
 */
// fredt@users - the constants from the SQL standards are used freely where a
// similar function is performed. The Result objects do not necessarily contain
// the same information as stated in SQL standard for CLI.
public interface ResultConstants {

    /** The offset at which HSQLDB API Result mode values start. */
    int HSQL_API_BASE = 0;

    /**
     * Indicates that the Result object encapsulates multiple Result objects.
     */
    int MULTI = HSQL_API_BASE + 0;

    /**
     * Indicates that the Result object encapsulates an update
     * count response.
     */
    int UPDATECOUNT = HSQL_API_BASE + 1;

    /**
     * Indicates that the Result object encapsualtes an
     * error response.
     */
    int ERROR = HSQL_API_BASE + 2;

    /**
     * Indicates that the Result object encapsulates a result
     * set response containing data.
     */
    int DATA = HSQL_API_BASE + 3;

    /**
     * Indicates that the Result object encapsulates a response
     * that communicates the acknowlegement of newly allocated
     * CompiledStatement object in the form of its statementID.
     */
    int PREPARE_ACK = HSQL_API_BASE + 4;

    /**
     * Indicates that the Result object encapsulates a result
     * set response containing parameter metadata.
     */
    int PARAM_META_DATA = HSQL_API_BASE + 5;

    /**
     * Indicates that the Result object encapsulates a result
     * set for setting session attributes.
     */
    int SETSESSIONATTR = HSQL_API_BASE + 6;

    /**
     * Indicates that the Result object encapsulates a request
     * to get session attributes.
     */
    int GETSESSIONATTR = HSQL_API_BASE + 7;

    /**
     * Indicates that the Result object encapsulates a batch of statements
     */
    int BATCHEXECDIRECT = HSQL_API_BASE + 8;

    /**
     * Indicates that the Result object encapsulates a batch of prepared
     * statement parameter values
     */
    int BATCHEXECUTE = HSQL_API_BASE + 9;

    /**
     * Indicates that the Result object encapsulates a request to start a new
     * internal session for the connection
     */
    int HSQLRESETSESSION = HSQL_API_BASE + 10;

    /**
     * Indicates that the Result object encapsulates a request to prepare
     * to commit as the first phase of a two-phase commit
     */
    int HSQLPREPARECOMMIT = HSQL_API_BASE + 11;

    /** The offset at which the standard SQL API Result mode values start. */
    int SQL_API_BASE = 0x00010000;

//    /**
//     * Indicates that Result encapsulates a request to allocate an
//     * SQL-connection and assign a handle to it.
//     */
//    int SQLALLOCCONNECT     = SQL_API_BASE + 1;
//    /**
//     * Indicates that Result encapsulates a request to allocate an
//     * SQL-environment and assign a handle to it.
//     */
//    int SQLALLOCENV         = SQL_API_BASE + 2;
//
//    /**
//     * Indicates that Result encapsulates a request to allocate a resource
//     * and assign a handle to it.
//     */
//    int SQLALLOCHANDLE      = SQL_API_BASE + 1001;
//
//    /**
//     * Indicates that Result encapsulates a request to allocate an
//     * SQL-statement and assign a handle to it.
//     */
//    int SQLALLOCSTMT        = SQL_API_BASE + 3;
//
//    /**
//     * Indicates that Result encapsulates a request to describe a target
//     * specification or array of target specifications.
//     */
//    int SQLBINDCOL          = SQL_API_BASE + 4;
//
//    /**
//     * Indicates that Result encapsulates a request to describe a
//     * dynamic parameter specification and its value.
//     */
//    int SQLBINDPARAMETER    = SQL_API_BASE + 72;
//
//    /**
//     * Indicates that Result encapsulates a request to cancel execution of
//     * a CLI routine.
//     */
//    int SQLCANCEL           = SQL_API_BASE + 5;
//
//    /** Indicates that Result encapsulates a request to close a cursor. */
//    int SQLCLOSECURSOR      = SQL_API_BASE + 1003;
//
//    /**
//     * Indicates that Result encapsulates a request to get a
//     * column attribute.
//     */
//    int SQLCOLATTRIBUTE     = SQL_API_BASE + 6;
//
//    /**
//     * Indicates that Result encapsulates a request to return a result set that
//     * contains a list of the privileges held on the columns whose names adhere
//     * to the requested pattern or patterns within a single specified table
//     * stored in the Information Schema of the connected data source.
//     */
//    int SQLCOLUMNPRIVILEGES = SQL_API_BASE + 56;
//
//    /**
//     * Indicates that Result encapsulates a request to, based on the specified
//     * selection criteria, return a result set that contains information about
//     * columns of tables stored in the information schemas of the connected
//     * data source.
//     */
//    int SQLCOLUMNS          = SQL_API_BASE + 40;
//

    /**
     * Indicates that Result encapsulates a request to establish a connection.
     */
    int SQLCONNECT = SQL_API_BASE + 7;

//    /**
//     * Indicates that Result encapsulates a request to copy a CLI descriptor.
//     */
//    int SQLCOPYDESC         = SQL_API_BASE + 1004;
//
//    /**
//     * Indicates that Result encapsulates a request to get server name(s) that
//     * the application can connect to, along with description information,
//     * if available.
//     */
//    int SQLDATASOURCES      = SQL_API_BASE + 57;
//
//    /**
//     * Indicates that Result encapsulates a request to get column attributes.
//     */
//    int SQLDESCRIBECOL      = SQL_API_BASE + 8;
//

    /**
     * Indicates that Result encapsulates a request to terminate an
     * established connection.
     */
    int SQLDISCONNECT = SQL_API_BASE + 9;

    /**
     * Indicates that Result encapsulates a request to terminate an
     * SQL-transaction.
     */
    int SQLENDTRAN = SQL_API_BASE + 1005;

//    /**
//     * Indicates that Result encapsulates a request to return diagnostic
//     * information.
//     */
//    int SQLERROR            = SQL_API_BASE + 10;

    /**
     * Indicates that Result encapsulates a request to execute a statement
     * directly.
     */
    int SQLEXECDIRECT = SQL_API_BASE + 11;

    /**
     * Indicates that Result encapsulates a request to execute a prepared
     * statement.
     */
    int SQLEXECUTE = SQL_API_BASE + 12;

    /**
     * Indicates that Result encapsulates a request to fetch the next row of
     * a cursor.
     */

//  int SQLFETCH = SQL_API_BASE + 13;

    /**
     * Indicates that Result encapsulates a request to position a cursor on
     * the specified row and retrieve values from that row.
     */
//  int SQLFETCHSCROLL = SQL_API_BASE + 1021;
//    /**
//     * Indicates that Result encapsulates a request to return a result set
//     * that contains information about foreign keys either in or referencing
//     * a single specified table stored in the Information Schema of the
//     * connected data source.
//     */
//    int SQLFOREIGNKEYS      = SQL_API_BASE + 60;
//
//    /**
//     * Indicates that Result encapsulates a request to deallocate an
//     * SQL-connection.
//     */
//    int SQLFREECONNECT      = SQL_API_BASE + 14;
//
//    /**
//     * Indicates that Result encapsulates a request to deallocate an
//     * SQL-environment.
//     */