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//
// Error.h
//
// Library: Data/ODBC
// Package: ODBC
// Module: Error
//
// Definition of Error.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_ODBC_Error_INCLUDED
#define Data_ODBC_Error_INCLUDED
#include "Poco/Data/ODBC/ODBC.h"
#include "Poco/Data/ODBC/Utility.h"
#include "Poco/Data/ODBC/Diagnostics.h"
#include "Poco/Format.h"
#include <vector>
#ifdef POCO_OS_FAMILY_WINDOWS
#include <windows.h>
#endif
#include <sqlext.h>
namespace Poco {
namespace Data {
namespace ODBC {
template <typename H, SQLSMALLINT handleType>
class Error
/// Class encapsulating ODBC diagnostic record collection. Collection is generated
/// during construction. Class provides access and string generation for the collection
/// as well as individual diagnostic records.
{
public:
explicit Error(const H& handle) : _diagnostics(handle)
/// Creates the Error.
{
}
~Error()
/// Destroys the Error.
{
}
const Diagnostics<H, handleType>& diagnostics() const
/// Returns the associated diagnostics.
{
return _diagnostics;
}
int count() const
/// Returns the count of diagnostic records.
{
return (int) _diagnostics.count();
}
std::string& toString(int index, std::string& str) const
/// Generates the string for the diagnostic record.
{
if ((index < 0) || (index > (count() - 1)))
return str;
std::string s;
Poco::format(s,
"===========================\n"
"ODBC Diagnostic record #%d:\n"
"===========================\n"
"SQLSTATE = %s\nNative Error Code = %ld\n%s\n\n",
index + 1,
_diagnostics.sqlState(index),
_diagnostics.nativeError(index),
_diagnostics.message(index));
str.append(s);
return str;
}
std::string toString() const
/// Generates the string for the diagnostic record collection.
{
std::string str;
Poco::format(str,
"Connection:%s\nServer:%s\n",
_diagnostics.connectionName(),
_diagnostics.serverName());
std::string s;
for (int i = 0; i < count(); ++i)
{
s.clear();
str.append(toString(i, s));
}
return str;
}
private:
Error();
Diagnostics<H, handleType> _diagnostics;
};
typedef Error<SQLHENV, SQL_HANDLE_ENV> EnvironmentError;
typedef Error<SQLHDBC, SQL_HANDLE_DBC> ConnectionError;
typedef Error<SQLHSTMT, SQL_HANDLE_STMT> StatementError;
typedef Error<SQLHSTMT, SQL_HANDLE_DESC> DescriptorError;
} } } // namespace Poco::Data::ODBC
#endif
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