Mercurial > hg > orthanc-databases

annotate SQLite/Plugins/SQLiteIndex.cpp @ 241:a063bbf10a3e

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simplification of class DatabaseManager::Transaction
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 13 Apr 2021 12:07:30 +0200
parents f033cc039264
children d663d9e44f8d
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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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3236894320d6 upgrade to year 2021
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "SQLiteIndex.h"
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23
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24 #include "../../Framework/Common/Integer64Value.h"
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25 #include "../../Framework/Plugins/GlobalProperties.h"
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26 #include "../../Framework/SQLite/SQLiteDatabase.h"
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27 #include "../../Framework/SQLite/SQLiteTransaction.h"
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28
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29 #include <EmbeddedResources.h> // Auto-generated file
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30
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31 #include <Compatibility.h> // For std::unique_ptr<>
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32 #include <Logging.h>
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33 #include <OrthancException.h>
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34
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35 namespace OrthancDatabases
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36 {
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37 IDatabase* SQLiteIndex::OpenDatabaseConnection()
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38 {
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39 std::unique_ptr<SQLiteDatabase> db(new SQLiteDatabase);
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40
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41 if (path_.empty())
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42 {
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43 db->OpenInMemory();
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44 }
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45 else
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46 {
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47 db->Open(path_);
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48 }
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49
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50 db->Execute("PRAGMA ENCODING=\"UTF-8\";");
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51
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52 if (fast_)
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53 {
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54 // Performance tuning of SQLite with PRAGMAs
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55 // http://www.sqlite.org/pragma.html
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56 db->Execute("PRAGMA SYNCHRONOUS=NORMAL;");
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57 db->Execute("PRAGMA JOURNAL_MODE=WAL;");
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58 db->Execute("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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59 db->Execute("PRAGMA WAL_AUTOCHECKPOINT=1000;");
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60 //db->Execute("PRAGMA TEMP_STORE=memory");
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61 }
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62
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63 return db.release();
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64 }
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66
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67 void SQLiteIndex::ConfigureDatabase(DatabaseManager& manager)
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68 {
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69 uint32_t expectedVersion = 6;
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70
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71 if (GetContext()) // "GetContext()" can possibly be NULL in the unit tests
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72 {
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73 expectedVersion = OrthancPluginGetExpectedDatabaseVersion(GetContext());
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74 }
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75
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76 // Check the expected version of the database
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77 if (expectedVersion != 6)
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78 {
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79 LOG(ERROR) << "This database plugin is incompatible with your version of Orthanc "
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80 << "expecting the DB schema version " << expectedVersion
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81 << ", but this plugin is only compatible with version 6";
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82 throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
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83 }
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84
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85 {
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86 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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88 if (!t.GetDatabaseTransaction().DoesTableExist("Resources"))
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89 {
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90 std::string query;
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91
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92 Orthanc::EmbeddedResources::GetFileResource
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93 (query, Orthanc::EmbeddedResources::SQLITE_PREPARE_INDEX);
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94
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95 t.GetDatabaseTransaction().ExecuteMultiLines(query);
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96
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97 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabaseSchemaVersion, expectedVersion);
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98 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel, 1);
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99 }
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100
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101 t.Commit();
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102 }
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103
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104 {
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105 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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106
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107 if (!t.GetDatabaseTransaction().DoesTableExist("Resources"))
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108 {
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109 LOG(ERROR) << "Corrupted SQLite database";
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110 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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111 }
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112
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113 int version = 0;
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114 if (!LookupGlobalIntegerProperty(version, manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabaseSchemaVersion) ||
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115 version != 6)
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116 {
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117 LOG(ERROR) << "SQLite plugin is incompatible with database schema version: " << version;
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118 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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119 }
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120
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121 int revision;
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122 if (!LookupGlobalIntegerProperty(revision, manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel))
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123 {
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124 revision = 1;
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125 SetGlobalIntegerProperty(manager, MISSING_SERVER_IDENTIFIER, Orthanc::GlobalProperty_DatabasePatchLevel, revision);
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126 }
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127
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128 if (revision != 1)
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129 {
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130 LOG(ERROR) << "SQLite plugin is incompatible with database schema revision: " << revision;
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131 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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132 }
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133
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134 t.Commit();
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135 }
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136
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137 {
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138 DatabaseManager::Transaction t(manager, TransactionType_ReadWrite);
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139
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140 if (!t.GetDatabaseTransaction().DoesTableExist("ServerProperties"))
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141 {
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142 t.GetDatabaseTransaction().ExecuteMultiLines("CREATE TABLE ServerProperties(server TEXT, "
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143 "property INTEGER, value TEXT, PRIMARY KEY(server, property))");
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144 }
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145
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146 t.Commit();
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147 }
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148 }
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149
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150
201
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151 SQLiteIndex::SQLiteIndex(OrthancPluginContext* context,
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152 const std::string& path) :
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153 IndexBackend(context),
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154 path_(path),
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155 fast_(true)
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156 {
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157 if (path.empty())
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158 {
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159 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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160 }
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161 }
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162
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163
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164 SQLiteIndex::SQLiteIndex(OrthancPluginContext* context) :
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165 IndexBackend(context),
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166 fast_(true)
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167 {
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168 }
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169
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170
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171 int64_t SQLiteIndex::CreateResource(DatabaseManager& manager,
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172 const char* publicId,
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173 OrthancPluginResourceType type)
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174 {
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175 DatabaseManager::CachedStatement statement(
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176 STATEMENT_FROM_HERE, manager,
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177 "INSERT INTO Resources VALUES(NULL, ${type}, ${id}, NULL)");
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178
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179 statement.SetParameterType("id", ValueType_Utf8String);
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180 statement.SetParameterType("type", ValueType_Integer64);
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181
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182 Dictionary args;
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183 args.SetUtf8Value("id", publicId);
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184 args.SetIntegerValue("type", static_cast<int>(type));
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185
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186 statement.Execute(args);
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187
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188 return dynamic_cast<SQLiteDatabase&>(statement.GetDatabase()).GetLastInsertRowId();
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189 }
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190
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191
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192 int64_t SQLiteIndex::GetLastChangeIndex(DatabaseManager& manager)
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193 {
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194 DatabaseManager::CachedStatement statement(
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195 STATEMENT_FROM_HERE, manager,
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196 "SELECT seq FROM sqlite_sequence WHERE name='Changes'");
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197
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198 statement.SetReadOnly(true);
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199 statement.Execute();
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200
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201 if (statement.IsDone())
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202 {
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203 // No change has been recorded so far in the database
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204 return 0;
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205 }
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206 else
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207 {
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208 const IValue& value = statement.GetResultField(0);
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209
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210 switch (value.GetType())
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211 {
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212 case ValueType_Integer64:
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213 return dynamic_cast<const Integer64Value&>(value).GetValue();
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214
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215 default:
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216 //LOG(ERROR) << value.Format();
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217 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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218 }
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219 }
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220 }
0
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221 }