Mercurial > hg > orthanc-databases

annotate Framework/SQLite/SQLiteDatabase.cpp @ 446:9e039e65d68e pg-transactions

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notes
author Alain Mazy <am@osimis.io>
date Mon, 15 Jan 2024 15:21:43 +0100
parents 3d6886f3e5b3
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Affero General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "SQLiteDatabase.h"
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25 #include "SQLiteStatement.h"
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26 #include "SQLiteTransaction.h"
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27 #include "../Common/ImplicitTransaction.h"
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29 #include <OrthancException.h>
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31 namespace OrthancDatabases
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32 {
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33 void SQLiteDatabase::Execute(const std::string& sql)
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34 {
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35 if (!connection_.Execute(sql))
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36 {
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37 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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38 }
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39 }
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41
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42 IPrecompiledStatement* SQLiteDatabase::Compile(const Query& query)
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43 {
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44 return new SQLiteStatement(*this, query);
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45 }
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48 namespace
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49 {
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50 class SQLiteImplicitTransaction : public ImplicitTransaction
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51 {
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52 private:
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53 SQLiteDatabase& db_;
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54
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55 protected:
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56 virtual IResult* ExecuteInternal(IPrecompiledStatement& statement,
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57 const Dictionary& parameters) ORTHANC_OVERRIDE
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58 {
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59 return dynamic_cast<SQLiteStatement&>(statement).Execute(*this, parameters);
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60 }
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62 virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement,
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63 const Dictionary& parameters) ORTHANC_OVERRIDE
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64 {
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65 dynamic_cast<SQLiteStatement&>(statement).ExecuteWithoutResult(*this, parameters);
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66 }
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68 public:
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69 explicit SQLiteImplicitTransaction(SQLiteDatabase& db) :
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70 db_(db)
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71 {
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72 }
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74 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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75 {
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76 return db_.GetObject().DoesTableExist(name.c_str());
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77 }
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79 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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80 {
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81 return false;
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82 }
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83
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84 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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85 {
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86 db_.GetObject().Execute(query);
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87 }
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88 };
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89 }
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91 ITransaction* SQLiteDatabase::CreateTransaction(TransactionType type)
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92 {
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93 switch (type)
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94 {
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95 case TransactionType_Implicit:
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96 return new SQLiteImplicitTransaction(*this);
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97
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98 case TransactionType_ReadOnly:
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99 case TransactionType_ReadWrite:
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100 return new SQLiteTransaction(*this);
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101
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102 default:
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103 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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104 }
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106 }