Mercurial > hg > orthanc-databases
diff Framework/PostgreSQL/PostgreSQLResult.h @ 0:7cea966b6829
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jul 2018 08:16:29 +0200 |
parents | |
children | 6a574d810b98 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/PostgreSQL/PostgreSQLResult.h Wed Jul 04 08:16:29 2018 +0200 @@ -0,0 +1,85 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#if ORTHANC_ENABLE_POSTGRESQL != 1 +# error PostgreSQL support must be enabled to use this file +#endif + +#include "PostgreSQLStatement.h" + +namespace OrthancDatabases +{ + class PostgreSQLResult : public boost::noncopyable + { + private: + void *result_; /* Object of type "PGresult*" */ + int position_; + PostgreSQLDatabase& database_; + unsigned int columnsCount_; + + void Clear(); + + void CheckDone(); + + void CheckColumn(unsigned int column, /*Oid*/ unsigned int expectedType) const; + + public: + explicit PostgreSQLResult(PostgreSQLStatement& statement); + + ~PostgreSQLResult() + { + Clear(); + } + + void Next(); + + bool IsDone() const + { + return result_ == NULL; + } + + unsigned int GetColumnsCount() const + { + return columnsCount_; + } + + bool IsNull(unsigned int column) const; + + bool GetBoolean(unsigned int column) const; + + int GetInteger(unsigned int column) const; + + int64_t GetInteger64(unsigned int column) const; + + std::string GetString(unsigned int column) const; + + void GetLargeObject(std::string& result, + unsigned int column) const; + + void GetLargeObject(void*& result, + size_t& size, + unsigned int column) const; + + IValue* GetValue(unsigned int column) const; + }; +}