dbl_lang.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: dbl_lang.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 19:20:33  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 * PRODUCTION
 * ===========================================================================
 */

/* $Id: dbl_lang.cpp,v 1000.1 2004/06/01 19:20:33 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Author:  Vladimir Soussov
 *
 * This simple program illustrates how to use the language command
 *
 */

#include <ncbi_pch.hpp>
#include <dbapi/driver/exception.hpp>
#include <dbapi/driver/dblib/interfaces.hpp>

USING_NCBI_SCOPE;


int main()
{
    try {
        CDBLibContext my_context;

#ifdef NCBI_OS_MSWIN
        CDB_Connection* con = my_context.Connect("MS_DEV1", "anyone", "allowed", 0);
#else
        CDB_Connection* con = my_context.Connect("MOZART", "anyone", "allowed", 0);
#endif

        CDB_LangCmd* lcmd =
            con->LangCmd("select name, crdate from sysdatabases");
        lcmd->Send();

        while (lcmd->HasMoreResults()) {
            CDB_Result* r = lcmd->Result();
            if (!r)
                continue;
            cout
                << r->ItemName(0) << " \t\t\t"
                << r->ItemName(1) << endl
                << "-----------------------------------------------------" 
                << endl;

            while (r->Fetch()) {
                CDB_Char dbname(24);
                CDB_DateTime crdate;

                r->GetItem(&dbname);
                r->GetItem(&crdate);

                cout
                    << dbname.Value() << ' '
                    << crdate.Value().AsString("M/D/Y h:m") 
                    << endl;
            }
            delete r;
        }
        delete lcmd;
        delete con;
    } catch (CDB_Exception& e) {
        CDB_UserHandler_Stream myExHandler(&cerr);

        myExHandler.HandleIt(&e);
        return 1;
    }
    return 0;
}



/*
 * ===========================================================================
 * $Log: dbl_lang.cpp,v $
 * Revision 1000.1  2004/06/01 19:20:33  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 *
 * Revision 1.8  2004/05/17 21:13:08  gorelenk
 * Added include of PCH ncbi_pch.hpp
 *
 * Revision 1.7  2003/08/05 19:23:43  vakatov
 * MSSQL2 --> MS_DEV1
 *
 * Revision 1.6  2002/04/25 20:36:42  soussov
 * makes it plain
 *
 * Revision 1.5  2002/01/03 17:01:57  sapojnik
 * fixing CR/LF mixup
 *
 * Revision 1.4  2001/11/06 17:59:59  lavr
 * Formatted uniformly as the rest of the library
 *
 * Revision 1.3  2001/10/25 00:18:04  vakatov
 * SampleDBAPI_XXX() to accept yet another arg -- server name
 *
 * Revision 1.2  2001/10/24 16:37:26  lavr
 * Finish log with horizontal rule
 *
 * Revision 1.1  2001/10/23 20:52:14  lavr
 * Initial revision (derived from former sample programs)
 *
 * Revision 1.1  2001/10/22 15:23:04  lavr
 * Initial revision derived from corresponding CTLib version
 *
 * ===========================================================================
 */