Mercurial > hg > orthanc-databases
annotate PostgreSQL/Plugins/PostgreSQLIndex.cpp @ 79:cb0aac9bbada db-changes
optimization for /statistics URI
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 08 Jan 2019 14:37:41 +0100 |
parents | 2ee166f77501 |
children | 1012fe77241c |
rev | line source |
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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 | |
67 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "PostgreSQLIndex.h" | |
23 | |
24 #include "../../Framework/Plugins/GlobalProperties.h" | |
25 #include "../../Framework/PostgreSQL/PostgreSQLDatabase.h" | |
26 #include "../../Framework/PostgreSQL/PostgreSQLTransaction.h" | |
27 | |
28 #include <EmbeddedResources.h> // Auto-generated file | |
29 | |
30 #include <Core/Logging.h> | |
31 #include <Core/OrthancException.h> | |
32 | |
33 | |
34 namespace Orthanc | |
35 { | |
36 // Some aliases for internal properties | |
37 static const GlobalProperty GlobalProperty_HasTrigramIndex = GlobalProperty_DatabaseInternal0; | |
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38 static const GlobalProperty GlobalProperty_HasCreateInstance = GlobalProperty_DatabaseInternal1; |
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39 static const GlobalProperty GlobalProperty_HasFastCountResources = GlobalProperty_DatabaseInternal2; |
0 | 40 } |
41 | |
42 | |
43 namespace OrthancDatabases | |
44 { | |
45 IDatabase* PostgreSQLIndex::OpenInternal() | |
46 { | |
47 uint32_t expectedVersion = 6; | |
48 if (context_) | |
49 { | |
50 expectedVersion = OrthancPluginGetExpectedDatabaseVersion(context_); | |
51 } | |
52 else | |
53 { | |
54 // This case only occurs during unit testing | |
55 expectedVersion = 6; | |
56 } | |
57 | |
58 // Check the expected version of the database | |
59 if (expectedVersion != 6) | |
60 { | |
61 LOG(ERROR) << "This database plugin is incompatible with your version of Orthanc " | |
62 << "expecting the DB schema version " << expectedVersion | |
63 << ", but this plugin is only compatible with version 6"; | |
64 throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin); | |
65 } | |
66 | |
67 std::auto_ptr<PostgreSQLDatabase> db(new PostgreSQLDatabase(parameters_)); | |
68 | |
69 db->Open(); | |
70 | |
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71 if (parameters_.HasLock()) |
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72 { |
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73 db->AdvisoryLock(42 /* some arbitrary constant */); |
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74 } |
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75 |
0 | 76 if (clearAll_) |
77 { | |
78 db->ClearAll(); | |
79 } | |
80 | |
81 { | |
82 PostgreSQLTransaction t(*db); | |
83 | |
84 if (!db->DoesTableExist("Resources")) | |
85 { | |
86 std::string query; | |
87 | |
88 Orthanc::EmbeddedResources::GetFileResource | |
89 (query, Orthanc::EmbeddedResources::POSTGRESQL_PREPARE_INDEX); | |
90 db->Execute(query); | |
91 | |
92 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_DatabaseSchemaVersion, expectedVersion); | |
93 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_DatabasePatchLevel, 1); | |
94 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_HasTrigramIndex, 0); | |
95 } | |
96 | |
97 if (!db->DoesTableExist("Resources")) | |
98 { | |
99 LOG(ERROR) << "Corrupted PostgreSQL database"; | |
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
101 } | |
102 | |
103 int version = 0; | |
104 if (!LookupGlobalIntegerProperty(version, *db, t, Orthanc::GlobalProperty_DatabaseSchemaVersion) || | |
105 version != 6) | |
106 { | |
107 LOG(ERROR) << "PostgreSQL plugin is incompatible with database schema version: " << version; | |
108 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database); | |
109 } | |
110 | |
111 int revision; | |
112 if (!LookupGlobalIntegerProperty(revision, *db, t, Orthanc::GlobalProperty_DatabasePatchLevel)) | |
113 { | |
114 revision = 1; | |
115 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_DatabasePatchLevel, revision); | |
116 } | |
117 | |
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118 if (revision != 1) |
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119 { |
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120 LOG(ERROR) << "PostgreSQL plugin is incompatible with database schema revision: " << revision; |
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121 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database); |
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122 } |
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123 |
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124 t.Commit(); |
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125 } |
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126 |
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127 { |
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128 PostgreSQLTransaction t(*db); |
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129 |
0 | 130 int hasTrigram = 0; |
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131 if (!LookupGlobalIntegerProperty(hasTrigram, *db, t, |
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132 Orthanc::GlobalProperty_HasTrigramIndex) || |
0 | 133 hasTrigram != 1) |
134 { | |
13
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135 /** |
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136 * Apply fix for performance issue (speed up wildcard search |
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137 * by using GIN trigrams). This implements the patch suggested |
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138 * in issue #47, BUT we also keep the original |
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139 * "DicomIdentifiersIndexValues", as it leads to better |
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140 * performance for "strict" searches (i.e. searches involving |
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141 * no wildcard). |
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142 * https://www.postgresql.org/docs/current/static/pgtrgm.html |
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143 * https://bitbucket.org/sjodogne/orthanc/issues/47/index-improvements-for-pg-plugin |
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144 **/ |
0 | 145 try |
146 { | |
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147 // We've observed 9 minutes on DB with 100000 studies |
20 | 148 LOG(WARNING) << "Trying to enable trigram matching on the PostgreSQL database " |
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149 << "to speed up wildcard searches. This may take several minutes"; |
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150 |
0 | 151 db->Execute( |
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152 "CREATE EXTENSION IF NOT EXISTS pg_trgm; " |
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153 "CREATE INDEX DicomIdentifiersIndexValues2 ON DicomIdentifiers USING gin(value gin_trgm_ops);"); |
0 | 154 |
155 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_HasTrigramIndex, 1); | |
19 | 156 LOG(WARNING) << "Trigram index has been created"; |
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157 |
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158 t.Commit(); |
0 | 159 } |
160 catch (Orthanc::OrthancException&) | |
161 { | |
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162 LOG(WARNING) << "Performance warning: Your PostgreSQL server does " |
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163 << "not support trigram matching"; |
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164 LOG(WARNING) << "-> Consider installing the \"pg_trgm\" extension on the " |
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165 << "PostgreSQL server, e.g. on Debian: sudo apt install postgresql-contrib"; |
0 | 166 } |
167 } | |
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168 else |
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169 { |
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170 t.Commit(); |
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171 } |
0 | 172 } |
173 | |
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174 { |
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175 PostgreSQLTransaction t(*db); |
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176 |
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177 int hasCreateInstance = 0; |
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178 if (!LookupGlobalIntegerProperty(hasCreateInstance, *db, t, |
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179 Orthanc::GlobalProperty_HasCreateInstance) || |
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180 hasCreateInstance != 1) |
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181 { |
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182 LOG(INFO) << "Installing the CreateInstance extension"; |
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183 |
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184 std::string query; |
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185 Orthanc::EmbeddedResources::GetFileResource |
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186 (query, Orthanc::EmbeddedResources::POSTGRESQL_CREATE_INSTANCE); |
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187 db->Execute(query); |
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188 |
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189 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_HasCreateInstance, 1); |
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190 } |
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191 |
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192 t.Commit(); |
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193 } |
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194 |
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195 { |
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196 PostgreSQLTransaction t(*db); |
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197 |
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198 int hasFastTotalSize = 0; |
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199 if (!LookupGlobalIntegerProperty(hasFastTotalSize, *db, t, |
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200 Orthanc::GlobalProperty_GetTotalSizeIsFast) || |
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201 hasFastTotalSize != 1) |
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202 { |
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203 LOG(INFO) << "Installing the FastTotalSize extension"; |
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204 |
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205 std::string query; |
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206 Orthanc::EmbeddedResources::GetFileResource |
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207 (query, Orthanc::EmbeddedResources::POSTGRESQL_FAST_TOTAL_SIZE); |
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208 db->Execute(query); |
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209 |
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210 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_GetTotalSizeIsFast, 1); |
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211 } |
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212 |
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213 t.Commit(); |
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214 } |
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215 |
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216 { |
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217 PostgreSQLTransaction t(*db); |
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218 |
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219 // Installing this extension requires the "GlobalIntegers" table |
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220 // created by the "FastTotalSize" extension |
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221 int property = 0; |
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222 if (!LookupGlobalIntegerProperty(property, *db, t, |
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223 Orthanc::GlobalProperty_HasFastCountResources) || |
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224 property != 1) |
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225 { |
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226 LOG(INFO) << "Installing the FastCountResources extension"; |
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227 |
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228 std::string query; |
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229 Orthanc::EmbeddedResources::GetFileResource |
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230 (query, Orthanc::EmbeddedResources::POSTGRESQL_FAST_COUNT_RESOURCES); |
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231 db->Execute(query); |
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232 |
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233 SetGlobalIntegerProperty(*db, t, Orthanc::GlobalProperty_HasFastCountResources, 1); |
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234 } |
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235 |
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236 t.Commit(); |
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237 } |
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238 |
0 | 239 return db.release(); |
240 } | |
241 | |
242 | |
243 PostgreSQLIndex::PostgreSQLIndex(const PostgreSQLParameters& parameters) : | |
244 IndexBackend(new Factory(*this)), | |
245 context_(NULL), | |
246 parameters_(parameters), | |
247 clearAll_(false) | |
248 { | |
249 } | |
250 | |
251 | |
252 int64_t PostgreSQLIndex::CreateResource(const char* publicId, | |
253 OrthancPluginResourceType type) | |
254 { | |
255 DatabaseManager::CachedStatement statement( | |
256 STATEMENT_FROM_HERE, GetManager(), | |
257 "INSERT INTO Resources VALUES(${}, ${type}, ${id}, NULL) RETURNING internalId"); | |
258 | |
259 statement.SetParameterType("id", ValueType_Utf8String); | |
260 statement.SetParameterType("type", ValueType_Integer64); | |
261 | |
262 Dictionary args; | |
263 args.SetUtf8Value("id", publicId); | |
264 args.SetIntegerValue("type", static_cast<int>(type)); | |
265 | |
266 statement.Execute(args); | |
267 | |
268 return ReadInteger64(statement, 0); | |
269 } | |
71
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270 |
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271 |
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272 uint64_t PostgreSQLIndex::GetTotalCompressedSize() |
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273 { |
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274 // Fast version if extension "./FastTotalSize.sql" is installed |
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275 uint64_t result; |
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276 |
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277 { |
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278 DatabaseManager::CachedStatement statement( |
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279 STATEMENT_FROM_HERE, GetManager(), |
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280 "SELECT value FROM GlobalIntegers WHERE key = 0"); |
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281 |
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282 statement.SetReadOnly(true); |
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283 statement.Execute(); |
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284 |
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285 result = static_cast<uint64_t>(ReadInteger64(statement, 0)); |
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286 } |
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287 |
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288 assert(result == IndexBackend::GetTotalCompressedSize()); |
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289 return result; |
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290 } |
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291 |
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292 |
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293 uint64_t PostgreSQLIndex::GetTotalUncompressedSize() |
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294 { |
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295 // Fast version if extension "./FastTotalSize.sql" is installed |
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296 uint64_t result; |
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297 |
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298 { |
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299 DatabaseManager::CachedStatement statement( |
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300 STATEMENT_FROM_HERE, GetManager(), |
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301 "SELECT value FROM GlobalIntegers WHERE key = 1"); |
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302 |
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303 statement.SetReadOnly(true); |
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304 statement.Execute(); |
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305 |
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306 result = static_cast<uint64_t>(ReadInteger64(statement, 0)); |
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307 } |
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308 |
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309 assert(result == IndexBackend::GetTotalUncompressedSize()); |
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310 return result; |
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311 } |
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312 |
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313 |
78 | 314 #if ORTHANC_PLUGINS_HAS_DATABASE_CONSTRAINT == 1 |
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315 void PostgreSQLIndex::CreateInstance(OrthancPluginCreateInstanceResult& result, |
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316 const char* hashPatient, |
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317 const char* hashStudy, |
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318 const char* hashSeries, |
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319 const char* hashInstance) |
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320 { |
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321 DatabaseManager::CachedStatement statement( |
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322 STATEMENT_FROM_HERE, GetManager(), |
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323 "SELECT * FROM CreateInstance(${patient}, ${study}, ${series}, ${instance})"); |
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324 |
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325 statement.SetParameterType("patient", ValueType_Utf8String); |
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326 statement.SetParameterType("study", ValueType_Utf8String); |
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327 statement.SetParameterType("series", ValueType_Utf8String); |
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328 statement.SetParameterType("instance", ValueType_Utf8String); |
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329 |
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330 Dictionary args; |
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331 args.SetUtf8Value("patient", hashPatient); |
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332 args.SetUtf8Value("study", hashStudy); |
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333 args.SetUtf8Value("series", hashSeries); |
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334 args.SetUtf8Value("instance", hashInstance); |
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335 |
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336 statement.Execute(args); |
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337 |
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338 if (statement.IsDone() || |
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339 statement.GetResultFieldsCount() != 8) |
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340 { |
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341 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database); |
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342 } |
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343 |
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344 for (size_t i = 0; i < 8; i++) |
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345 { |
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346 statement.SetResultFieldType(i, ValueType_Integer64); |
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347 } |
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348 |
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349 result.isNewInstance = (ReadInteger64(statement, 3) == 1); |
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350 result.instanceId = ReadInteger64(statement, 7); |
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351 |
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352 if (result.isNewInstance) |
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353 { |
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354 result.isNewPatient = (ReadInteger64(statement, 0) == 1); |
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355 result.isNewStudy = (ReadInteger64(statement, 1) == 1); |
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356 result.isNewSeries = (ReadInteger64(statement, 2) == 1); |
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357 result.patientId = ReadInteger64(statement, 4); |
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358 result.studyId = ReadInteger64(statement, 5); |
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359 result.seriesId = ReadInteger64(statement, 6); |
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360 } |
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361 } |
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362 #endif |
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363 |
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364 |
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365 uint64_t PostgreSQLIndex::GetResourceCount(OrthancPluginResourceType resourceType) |
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366 { |
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367 // Optimized version thanks to the "FastCountResources.sql" extension |
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368 |
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369 assert(OrthancPluginResourceType_Patient == 0 && |
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370 OrthancPluginResourceType_Study == 1 && |
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371 OrthancPluginResourceType_Series == 2 && |
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372 OrthancPluginResourceType_Instance == 3); |
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373 |
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374 uint64_t result; |
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375 |
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376 { |
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377 DatabaseManager::CachedStatement statement( |
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378 STATEMENT_FROM_HERE, GetManager(), |
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379 "SELECT value FROM GlobalIntegers WHERE key = ${key}"); |
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380 |
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381 statement.SetParameterType("key", ValueType_Integer64); |
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382 |
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383 Dictionary args; |
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384 |
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385 // For an explanation of the "+ 2" below, check out "FastCountResources.sql" |
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386 args.SetIntegerValue("key", static_cast<int>(resourceType + 2)); |
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387 |
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388 statement.SetReadOnly(true); |
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389 statement.Execute(args); |
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390 |
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391 result = static_cast<uint64_t>(ReadInteger64(statement, 0)); |
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392 } |
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393 |
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394 assert(result == IndexBackend::GetResourceCount(resourceType)); |
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395 return result; |
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396 } |
0 | 397 } |