C++ (Cpp) _T_NCBI_ODBC Exemples

Exemple #1

void*
CODBC_BCPInCmd::x_GetDataTerminator(EDB_Type type)
{
    switch (type) {
    case eDB_Char:
    case eDB_VarChar:
    case eDB_LongChar:
    case eDB_Text:
        return _T_NCBI_ODBC("");
    default:
        break;
    }

    return NULL;
}

Exemple #2

CDB_Result* CODBC_RPCCmd::Result()
{
    enum {eNameStrLen = 64};

    if (m_Res) {
        delete m_Res;
        m_Res = 0;
        m_HasMoreResults = xCheck4MoreResults();
    }

    if ( !WasSent() ) {
        string err_message = "A command has to be sent first." + GetDbgInfo();
        DATABASE_DRIVER_ERROR( err_message, 420010 );
    }

    if(!m_HasMoreResults) {
        SetWasSent(false);
        return 0;
    }

    SQLSMALLINT nof_cols = 0;
    odbc::TChar buffer[eNameStrLen];

    while(m_HasMoreResults) {
        CheckSIE(SQLNumResultCols(GetHandle(), &nof_cols),
                 "SQLNumResultCols failed", 420011);

        if(nof_cols < 1) { // no data in this result set
            SQLLEN rc;

            CheckSIE(SQLRowCount(GetHandle(), &rc),
                     "SQLRowCount failed", 420013);

            m_RowCount = rc;
            m_HasMoreResults = xCheck4MoreResults();
            continue;
        }

        if(nof_cols == 1) { // it could be a status result
            SQLSMALLINT l;

            CheckSIE(SQLColAttribute(GetHandle(),
                                     1,
                                     SQL_DESC_LABEL,
                                     buffer,
                                     sizeof(buffer),
                                     &l,
                                     0),
                     "SQLColAttribute failed", 420015);

            if(util::strcmp(buffer, _T_NCBI_ODBC("STpROCrETURNsTATUS")) == 0) {
				//this is a status result
                m_HasStatus = true;
                m_Res = new CODBC_StatusResult(*this);
            }
        }
        if(!m_Res) {
            if(m_HasStatus) {
                m_HasStatus = false;
                m_Res = new CODBC_ParamResult(*this, nof_cols);
            }
            else {
                m_Res = new CODBC_RowResult(*this, nof_cols, &m_RowCount);
            }
        }
        return Create_Result(*m_Res);
    }

    SetWasSent(false);
    return 0;
}