Mercurial > hg > orthanc-databases
annotate Framework/Common/Query.h @ 522:c49136b34891 large-queries tip
use a prepared statement for InsertOrUpdateMetadata
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Fri, 05 Jul 2024 09:15:54 +0200 |
| parents | 54d518dcd74a |
| children |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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Sebastien Jodogne <s.jodogne@gmail.com>
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
| 10 * modify it under the terms of the GNU Affero General Public License | |
| 11 * as published by the Free Software Foundation, either version 3 of | |
| 12 * the License, or (at your option) any later version. | |
| 13 * | |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 * Affero General Public License for more details. | |
| 18 * | |
| 19 * You should have received a copy of the GNU Affero General Public License | |
| 20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
| 24 #pragma once | |
| 25 | |
| 26 #include "DatabasesEnumerations.h" | |
| 27 | |
| 28 #include <map> | |
| 29 #include <vector> | |
| 30 #include <string> | |
| 31 #include <boost/noncopyable.hpp> | |
| 32 | |
| 33 | |
| 34 namespace OrthancDatabases | |
| 35 { | |
| 36 class Query : public boost::noncopyable | |
| 37 { | |
| 38 public: | |
| 39 class IParameterFormatter : public boost::noncopyable | |
| 40 { | |
| 41 public: | |
| 42 virtual ~IParameterFormatter() | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 virtual void Format(std::string& target, | |
| 47 const std::string& source, | |
| 48 ValueType type) = 0; | |
| 49 }; | |
| 50 | |
| 51 private: | |
| 52 typedef std::map<std::string, ValueType> Parameters; | |
| 53 | |
| 54 class Token; | |
| 55 | |
| 56 std::vector<Token*> tokens_; | |
| 57 Parameters parameters_; | |
| 58 bool readOnly_; | |
| 59 | |
| 60 void Setup(const std::string& sql); | |
| 61 | |
| 62 public: | |
| 29 | 63 explicit Query(const std::string& sql); |
| 0 | 64 |
| 65 Query(const std::string& sql, | |
| 66 bool isReadOnly); | |
| 67 | |
| 68 ~Query(); | |
| 69 | |
| 70 bool IsReadOnly() const | |
| 71 { | |
| 72 return readOnly_; | |
| 73 } | |
| 74 | |
| 75 void SetReadOnly(bool isReadOnly) | |
| 76 { | |
| 77 readOnly_ = isReadOnly; | |
| 78 } | |
| 79 | |
| 80 bool HasParameter(const std::string& parameter) const; | |
| 81 | |
| 82 ValueType GetType(const std::string& parameter) const; | |
| 83 | |
| 84 void SetType(const std::string& parameter, | |
| 85 ValueType type); | |
| 86 | |
| 87 void Format(std::string& result, | |
| 88 IParameterFormatter& formatter) const; | |
| 89 }; | |
| 90 } |