backends/oracle/error.cpp

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//
// Copyright (C) 2004-2007 Maciej Sobczak, Stephen Hutton
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//

#define SOCI_ORACLE_SOURCE
#include "soci-oracle.h"
#include "error.h"
#include <limits>
#include <sstream>

#ifdef _MSC_VER
#pragma warning(disable:4355)
#endif

using namespace soci;
using namespace soci::details;
using namespace soci::details::oracle;

oracle_soci_error::oracle_soci_error(std::string const & msg, int errNum)
    : soci_error(msg), err_num_(errNum)
{
}

void soci::details::oracle::get_error_details(sword res, OCIError *errhp,
    std::string &msg, int &errNum)
{
    text errbuf[512];
    sb4 errcode;
    errNum = 0;

    switch (res)
    {
    case OCI_NO_DATA:
        msg = "soci error: No data";
        break;
    case OCI_ERROR:
        OCIErrorGet(errhp, 1, 0, &errcode,
             errbuf, sizeof(errbuf), OCI_HTYPE_ERROR);
        msg = reinterpret_cast<char*>(errbuf);
        errNum = static_cast<int>(errcode);
        break;
    case OCI_INVALID_HANDLE:
        msg = "soci error: Invalid handle";
        break;
    default:
        msg = "soci error: Unknown error code";
    }
}

void soci::details::oracle::throw_oracle_soci_error(sword res, OCIError *errhp)
{
    std::string msg;
    int errNum;

    get_error_details(res, errhp, msg, errNum);
    throw oracle_soci_error(msg, errNum);
}