/**

 * Relational pipes

 * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 3.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

#include <sql.h>

#include "SqlException.h"

namespace relpipe {

namespace tr {

namespace sql {

class OdbcCommon {

public:

	static bool isSuccessful(SQLRETURN result) {

		return result == SQL_SUCCESS || result == SQL_SUCCESS_WITH_INFO;

	}

	static bool isNotSuccessful(SQLRETURN result) {

		return !isSuccessful(result);

	}

	static SQLHANDLE allocateHandle(SQLSMALLINT type, SQLHANDLE input) {

		SQLHANDLE output;

		SQLRETURN result = SQLAllocHandle(type, input, &output);

		if (isNotSuccessful(result)) throw SqlException(L"Unable to allocate handle " + std::to_wstring(type));

		return output;

	}

	static void freeHandle(SQLSMALLINT type, SQLHANDLE handle) {

		SQLRETURN result = SQLFreeHandle(type, handle);

		if (isNotSuccessful(result)) throw SqlException(L"Unable to free handle of type: " + std::to_wstring(type));

	}

};

}

}

}