Mercurial > hg > orthanc-databases

annotate SQLite/Plugins/SQLiteIndex.cpp @ 522:c49136b34891 large-queries tip

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author Alain Mazy <am@orthanc.team>
date Fri, 05 Jul 2024 09:15:54 +0200
parents 54d518dcd74a
children
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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) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Affero General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Affero General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Affero General Public License
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "SQLiteIndex.h"
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25
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26 #include "../../Framework/Common/Integer64Value.h"
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27 #include "../../Framework/Plugins/GlobalProperties.h"
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28 #include "../../Framework/SQLite/SQLiteDatabase.h"
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29 #include "../../Framework/SQLite/SQLiteTransaction.h"
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30
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31 #include <EmbeddedResources.h> // Auto-generated file
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32
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33 #include <Compatibility.h> // For std::unique_ptr<>
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34 #include <Logging.h>
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35 #include <OrthancException.h>
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36
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37 namespace OrthancDatabases
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38 {
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39 IDatabaseFactory* SQLiteIndex::CreateDatabaseFactory()
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40 {
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41 class Factory : public IDatabaseFactory
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42 {
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43 private:
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44 std::string path_;
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45 bool fast_;
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46
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47 public:
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48 Factory(const std::string& path,
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49 bool fast) :
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50 path_(path),
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51 fast_(fast)
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52 {
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53 }
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54
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55 virtual IDatabase* Open() ORTHANC_OVERRIDE
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56 {
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57 std::unique_ptr<SQLiteDatabase> db(new SQLiteDatabase);
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59 if (path_.empty())
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60 {
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61 db->OpenInMemory();
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62 }
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63 else
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64 {
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65 db->Open(path_);
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66 }
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68 db->Execute("PRAGMA ENCODING=\"UTF-8\";");
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70 if (fast_)
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71 {
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72 // Performance tuning of SQLite with PRAGMAs
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73 // http://www.sqlite.org/pragma.html
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74 db->Execute("PRAGMA SYNCHRONOUS=NORMAL;");
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75 db->Execute("PRAGMA JOURNAL_MODE=WAL;");
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76 db->Execute("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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77 db->Execute("PRAGMA WAL_AUTOCHECKPOINT=1000;");
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78 //db->Execute("PRAGMA TEMP_STORE=memory");
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79 }
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80
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81 return db.release();
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82 }
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83 };
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84
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85 return new Factory(path_, fast_);
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86 }
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88
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89 void SQLiteIndex::ConfigureDatabase(DatabaseManager& manager,
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90 bool hasIdentifierTags,
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91 const std::list<IdentifierTag>& identifierTags)
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92 {
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93 uint32_t expectedVersion = 6;
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94
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95 if (GetContext()) // "GetContext()" can possibly be NULL in the unit tests
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96 {
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97 expectedVersion = OrthancPluginGetExpectedDatabaseVersion(GetContext());
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98 }
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99
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100 // Check the expected version of the database
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101 if (expectedVersion != 6)
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102 {
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103 LOG(ERROR) << "This database plugin is incompatible with your version of Orthanc "
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104 << "expecting the DB schema version " << expectedVersion
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105 << ", but this plugin is only compatible with version 6";
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
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107 }
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108
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109 {
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110 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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111
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112 if (!t.GetDatabaseTransaction().DoesTableExist("Resources"))
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113 {
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114 std::string query;
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115
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116 Orthanc::EmbeddedResources::GetFileResource
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117 (query, Orthanc::EmbeddedResources::SQLITE_PREPARE_INDEX);
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118
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119 t.GetDatabaseTransaction().ExecuteMultiLines(query);
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120
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121 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabaseSchemaVersion, expectedVersion);
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122 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel, 1);
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123 }
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124
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125 t.Commit();
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126 }
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127
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128 {
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129 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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130
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131 if (!t.GetDatabaseTransaction().DoesTableExist("Resources"))
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132 {
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133 LOG(ERROR) << "Corrupted SQLite database";
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134 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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135 }
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136
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137 int version = 0;
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138 if (!LookupGlobalIntegerProperty(version, manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabaseSchemaVersion) ||
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139 version != 6)
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140 {
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141 LOG(ERROR) << "SQLite plugin is incompatible with database schema version: " << version;
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142 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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143 }
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144
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145 int revision;
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146 if (!LookupGlobalIntegerProperty(revision, manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel))
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147 {
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148 revision = 1;
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149 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel, revision);
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150 }
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151
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152 if (revision != 1)
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153 {
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154 LOG(ERROR) << "SQLite plugin is incompatible with database schema revision: " << revision;
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155 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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156 }
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157
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158 t.Commit();
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159 }
238
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160
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161 {
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162 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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163
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164 if (!t.GetDatabaseTransaction().DoesTableExist("ServerProperties"))
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165 {
241
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166 t.GetDatabaseTransaction().ExecuteMultiLines("CREATE TABLE ServerProperties(server TEXT, "
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167 "property INTEGER, value TEXT, PRIMARY KEY(server, property))");
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168 }
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169
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170 t.Commit();
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171 }
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172
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173 {
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174 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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175
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176 if (!t.GetDatabaseTransaction().DoesTableExist("Labels"))
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177 {
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178 t.GetDatabaseTransaction().ExecuteMultiLines(
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179 "CREATE TABLE Labels("
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180 " id INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,"
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181 " label TEXT NOT NULL,"
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182 " PRIMARY KEY(id, label));"
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183 "CREATE INDEX LabelsIndex1 ON Labels(id);"
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184 "CREATE INDEX LabelsIndex2 ON Labels(label);");
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185 }
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186
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187 t.Commit();
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188 }
0
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189 }
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190
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191
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192 SQLiteIndex::SQLiteIndex(OrthancPluginContext* context,
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193 const std::string& path) :
225
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194 IndexBackend(context),
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195 path_(path),
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196 fast_(true)
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197 {
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198 if (path.empty())
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199 {
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200 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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201 }
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202 }
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203
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204
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205 SQLiteIndex::SQLiteIndex(OrthancPluginContext* context) :
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206 IndexBackend(context),
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207 fast_(true)
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208 {
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209 }
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210
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211
225
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212 int64_t SQLiteIndex::CreateResource(DatabaseManager& manager,
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213 const char* publicId,
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214 OrthancPluginResourceType type)
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215 {
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216 DatabaseManager::CachedStatement statement(
225
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217 STATEMENT_FROM_HERE, manager,
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218 "INSERT INTO Resources VALUES(NULL, ${type}, ${id}, NULL)");
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219
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220 statement.SetParameterType("id", ValueType_Utf8String);
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221 statement.SetParameterType("type", ValueType_Integer64);
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222
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223 Dictionary args;
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224 args.SetUtf8Value("id", publicId);
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225 args.SetIntegerValue("type", static_cast<int>(type));
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226
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227 statement.Execute(args);
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228
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229 return dynamic_cast<SQLiteDatabase&>(statement.GetDatabase()).GetLastInsertRowId();
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230 }
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231
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232
225
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233 int64_t SQLiteIndex::GetLastChangeIndex(DatabaseManager& manager)
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234 {
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235 DatabaseManager::CachedStatement statement(
225
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236 STATEMENT_FROM_HERE, manager,
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237 "SELECT seq FROM sqlite_sequence WHERE name='Changes'");
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238
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239 statement.SetReadOnly(true);
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240 statement.Execute();
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241
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242 if (statement.IsDone())
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243 {
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244 // No change has been recorded so far in the database
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245 return 0;
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246 }
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247 else
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248 {
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249 const IValue& value = statement.GetResultField(0);
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250
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251 switch (value.GetType())
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252 {
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253 case ValueType_Integer64:
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254 return dynamic_cast<const Integer64Value&>(value).GetValue();
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255
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256 default:
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257 //LOG(ERROR) << value.Format();
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258 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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259 }
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260 }
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261 }
0
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262 }