/**
 * 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));
	}
};

}
}
}