Mercurial > hg > orthanc-databases
diff Framework/Odbc/OdbcResult.h @ 329:b5fb8b77ce4d
initial commit of ODBC framework
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 10 Aug 2021 20:08:53 +0200 |
parents | |
children | 16aac0287485 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Odbc/OdbcResult.h Tue Aug 10 20:08:53 2021 +0200 @@ -0,0 +1,76 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2021 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 + +#include "OdbcStatement.h" + +#include "../Common/IResult.h" + +#include <Compatibility.h> + +#include <sqltypes.h> +#include <vector> + + +namespace OrthancDatabases +{ + class OdbcResult : public IResult + { + private: + OdbcStatement& statement_; + Dialect dialect_; + bool first_; + bool done_; + std::vector<SQLLEN> types_; + std::vector<std::string> typeNames_; + std::vector<IValue*> values_; + + void LoadFirst(); + + void SetValue(size_t index, + IValue* value); + + void ReadString(std::string& target, + size_t column, + bool isBinary); + + public: + OdbcResult(OdbcStatement& statement, + Dialect dialect); + + virtual ~OdbcResult(); + + virtual void SetExpectedType(size_t field, + ValueType type) ORTHANC_OVERRIDE; + + virtual bool IsDone() const ORTHANC_OVERRIDE; + + virtual void Next() ORTHANC_OVERRIDE; + + virtual size_t GetFieldsCount() const ORTHANC_OVERRIDE + { + return values_.size(); + } + + virtual const IValue& GetField(size_t field) const ORTHANC_OVERRIDE; + }; +}