Mercurial > hg > orthanc
annotate OrthancFramework/Sources/SQLite/Connection.cpp @ 4829:c847b0dfd255
added missing copyright headers
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 25 Nov 2021 18:53:08 +0100 |
| parents | 50b0c69b653a |
| children | 7053502fbf97 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
3 * |
| 3063 | 4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>, |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
5 * Medical Physics Department, CHU of Liege, Belgium |
|
4829
c847b0dfd255
added missing copyright headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4304
diff
changeset
|
6 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
| 0 | 7 * |
| 17 | 8 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 9 * | |
| 10 * Redistribution and use in source and binary forms, with or without | |
| 11 * modification, are permitted provided that the following conditions are | |
| 12 * met: | |
| 0 | 13 * |
| 17 | 14 * * Redistributions of source code must retain the above copyright |
| 15 * notice, this list of conditions and the following disclaimer. | |
| 16 * * Redistributions in binary form must reproduce the above | |
| 17 * copyright notice, this list of conditions and the following disclaimer | |
| 18 * in the documentation and/or other materials provided with the | |
| 19 * distribution. | |
| 20 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 21 * nor the names of its contributors may be used to endorse or promote | |
| 22 * products derived from this software without specific prior written | |
| 23 * permission. | |
| 24 * | |
| 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 36 **/ |
| 37 | |
| 38 | |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
39 #if ORTHANC_SQLITE_STANDALONE != 1 |
|
824
a811bdf8b8eb
precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
689
diff
changeset
|
40 #include "../PrecompiledHeaders.h" |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
41 #endif |
|
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
42 |
| 0 | 43 #include "Connection.h" |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
44 #include "OrthancSQLiteException.h" |
| 0 | 45 |
| 46 #include <memory> | |
| 47 #include <cassert> | |
| 48 #include <string.h> | |
| 49 | |
| 1225 | 50 #if ORTHANC_SQLITE_STANDALONE != 1 |
|
1486
f967bdf8534e
refactoring to Logging.h
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1474
diff
changeset
|
51 #include "../Logging.h" |
| 1225 | 52 #endif |
| 53 | |
|
1474
3b68924ffb24
fix path to sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1291
diff
changeset
|
54 #include "sqlite3.h" |
|
3b68924ffb24
fix path to sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1291
diff
changeset
|
55 |
| 1225 | 56 |
| 59 | 57 namespace Orthanc |
| 0 | 58 { |
| 59 namespace SQLite | |
| 60 { | |
| 61 Connection::Connection() : | |
| 62 db_(NULL), | |
| 63 transactionNesting_(0), | |
| 64 needsRollback_(false) | |
| 65 { | |
| 66 } | |
| 67 | |
| 68 | |
| 69 Connection::~Connection() | |
| 70 { | |
| 71 Close(); | |
| 72 } | |
| 73 | |
| 74 | |
| 75 void Connection::CheckIsOpen() const | |
| 76 { | |
| 77 if (!db_) | |
| 78 { | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
79 throw OrthancSQLiteException(ErrorCode_SQLiteNotOpened); |
| 0 | 80 } |
| 81 } | |
| 82 | |
| 83 void Connection::Open(const std::string& path) | |
| 84 { | |
| 85 if (db_) | |
| 86 { | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
87 throw OrthancSQLiteException(ErrorCode_SQLiteAlreadyOpened); |
| 0 | 88 } |
| 89 | |
| 90 int err = sqlite3_open(path.c_str(), &db_); | |
| 91 if (err != SQLITE_OK) | |
| 92 { | |
| 93 Close(); | |
| 94 db_ = NULL; | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
95 throw OrthancSQLiteException(ErrorCode_SQLiteCannotOpen); |
| 0 | 96 } |
| 97 | |
| 98 // Execute PRAGMAs at this point | |
| 99 // http://www.sqlite.org/pragma.html | |
| 100 Execute("PRAGMA FOREIGN_KEYS=ON;"); | |
|
181
2dece1526c06
simplifying db schema
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
137
diff
changeset
|
101 Execute("PRAGMA RECURSIVE_TRIGGERS=ON;"); |
| 0 | 102 } |
| 103 | |
| 104 void Connection::OpenInMemory() | |
| 105 { | |
| 106 Open(":memory:"); | |
| 107 } | |
| 108 | |
| 109 void Connection::Close() | |
| 110 { | |
| 111 ClearCache(); | |
| 112 | |
| 113 if (db_) | |
| 114 { | |
| 115 sqlite3_close(db_); | |
| 116 db_ = NULL; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 void Connection::ClearCache() | |
| 121 { | |
| 122 for (CachedStatements::iterator | |
| 123 it = cachedStatements_.begin(); | |
| 656 | 124 it != cachedStatements_.end(); ++it) |
| 0 | 125 { |
| 126 delete it->second; | |
| 127 } | |
| 128 | |
| 129 cachedStatements_.clear(); | |
| 130 } | |
| 131 | |
| 132 | |
| 133 StatementReference& Connection::GetCachedStatement(const StatementId& id, | |
| 134 const char* sql) | |
| 135 { | |
| 136 CachedStatements::iterator i = cachedStatements_.find(id); | |
| 137 if (i != cachedStatements_.end()) | |
| 138 { | |
| 139 if (i->second->GetReferenceCount() >= 1) | |
| 140 { | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
141 throw OrthancSQLiteException(ErrorCode_SQLiteStatementAlreadyUsed); |
| 0 | 142 } |
| 143 | |
| 144 return *i->second; | |
| 145 } | |
| 146 else | |
| 147 { | |
| 148 StatementReference* statement = new StatementReference(db_, sql); | |
| 149 cachedStatements_[id] = statement; | |
| 150 return *statement; | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 | |
| 155 bool Connection::Execute(const char* sql) | |
| 156 { | |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
157 #if ORTHANC_SQLITE_STANDALONE != 1 |
|
4269
c7bd2f21ccc3
new macro CLOG, and sharing more code between logging engines
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4268
diff
changeset
|
158 CLOG(TRACE, SQLITE) << "SQLite::Connection::Execute " << sql; |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
159 #endif |
|
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
160 |
| 0 | 161 CheckIsOpen(); |
| 162 | |
| 163 int error = sqlite3_exec(db_, sql, NULL, NULL, NULL); | |
| 164 if (error == SQLITE_ERROR) | |
| 165 { | |
|
1585
9a3e03d6a4d5
fix sqlite standalone build
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1582
diff
changeset
|
166 #if ORTHANC_SQLITE_STANDALONE != 1 |
|
1958
c746e2d42ac8
extended error codes for SQLite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
167 LOG(ERROR) << "SQLite execute error: " << sqlite3_errmsg(db_) |
|
c746e2d42ac8
extended error codes for SQLite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
168 << " (" << sqlite3_extended_errcode(db_) << ")"; |
|
1585
9a3e03d6a4d5
fix sqlite standalone build
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1582
diff
changeset
|
169 #endif |
|
9a3e03d6a4d5
fix sqlite standalone build
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1582
diff
changeset
|
170 |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
171 throw OrthancSQLiteException(ErrorCode_SQLiteExecute); |
| 0 | 172 } |
| 173 else | |
| 174 { | |
| 175 return error == SQLITE_OK; | |
| 176 } | |
| 177 } | |
| 178 | |
| 4304 | 179 bool Connection::Execute(const std::string &sql) |
| 0 | 180 { |
| 4304 | 181 return Execute(sql.c_str()); |
| 0 | 182 } |
| 183 | |
| 184 // Info querying ------------------------------------------------------------- | |
| 185 | |
| 4304 | 186 bool Connection::IsSQLValid(const char* sql) |
| 0 | 187 { |
| 188 sqlite3_stmt* stmt = NULL; | |
| 189 if (sqlite3_prepare_v2(db_, sql, -1, &stmt, NULL) != SQLITE_OK) | |
| 190 return false; | |
| 191 | |
| 192 sqlite3_finalize(stmt); | |
| 193 return true; | |
| 194 } | |
| 195 | |
| 196 bool Connection::DoesTableOrIndexExist(const char* name, | |
| 197 const char* type) const | |
| 198 { | |
| 199 // Our SQL is non-mutating, so this cast is OK. | |
| 200 Statement statement(const_cast<Connection&>(*this), | |
| 201 "SELECT name FROM sqlite_master WHERE type=? AND name=?"); | |
| 202 statement.BindString(0, type); | |
| 203 statement.BindString(1, name); | |
| 204 return statement.Step(); // Table exists if any row was returned. | |
| 205 } | |
| 206 | |
| 207 bool Connection::DoesTableExist(const char* table_name) const | |
| 208 { | |
| 209 return DoesTableOrIndexExist(table_name, "table"); | |
| 210 } | |
| 211 | |
| 212 bool Connection::DoesIndexExist(const char* index_name) const | |
| 213 { | |
| 214 return DoesTableOrIndexExist(index_name, "index"); | |
| 215 } | |
| 216 | |
| 217 bool Connection::DoesColumnExist(const char* table_name, const char* column_name) const | |
| 218 { | |
| 219 std::string sql("PRAGMA TABLE_INFO("); | |
| 220 sql.append(table_name); | |
| 221 sql.append(")"); | |
| 222 | |
| 223 // Our SQL is non-mutating, so this cast is OK. | |
| 224 Statement statement(const_cast<Connection&>(*this), sql.c_str()); | |
| 225 | |
| 226 while (statement.Step()) { | |
| 227 if (!statement.ColumnString(1).compare(column_name)) | |
| 228 return true; | |
| 229 } | |
| 230 return false; | |
| 231 } | |
| 232 | |
| 233 int64_t Connection::GetLastInsertRowId() const | |
| 234 { | |
| 235 return sqlite3_last_insert_rowid(db_); | |
| 236 } | |
| 237 | |
| 238 int Connection::GetLastChangeCount() const | |
| 239 { | |
| 240 return sqlite3_changes(db_); | |
| 241 } | |
| 242 | |
| 243 int Connection::GetErrorCode() const | |
| 244 { | |
| 245 return sqlite3_errcode(db_); | |
| 246 } | |
| 247 | |
| 248 int Connection::GetLastErrno() const | |
| 249 { | |
| 250 int err = 0; | |
| 251 if (SQLITE_OK != sqlite3_file_control(db_, NULL, SQLITE_LAST_ERRNO, &err)) | |
| 252 return -2; | |
| 253 | |
| 254 return err; | |
| 255 } | |
| 256 | |
| 257 const char* Connection::GetErrorMessage() const | |
| 258 { | |
| 259 return sqlite3_errmsg(db_); | |
| 260 } | |
| 261 | |
| 262 | |
| 4304 | 263 int Connection::ExecuteAndReturnErrorCode(const char* sql) |
| 264 { | |
| 265 CheckIsOpen(); | |
| 266 return sqlite3_exec(db_, sql, NULL, NULL, NULL); | |
| 267 } | |
| 268 | |
| 269 bool Connection::HasCachedStatement(const StatementId &id) const | |
| 270 { | |
| 271 return cachedStatements_.find(id) != cachedStatements_.end(); | |
| 272 } | |
| 273 | |
| 274 int Connection::GetTransactionNesting() const | |
| 275 { | |
| 276 return transactionNesting_; | |
| 277 } | |
| 278 | |
| 0 | 279 bool Connection::BeginTransaction() |
| 280 { | |
| 281 if (needsRollback_) | |
| 282 { | |
| 283 assert(transactionNesting_ > 0); | |
| 284 | |
| 285 // When we're going to rollback, fail on this begin and don't actually | |
| 286 // mark us as entering the nested transaction. | |
| 287 return false; | |
| 288 } | |
| 289 | |
| 290 bool success = true; | |
| 291 if (!transactionNesting_) | |
| 292 { | |
| 293 needsRollback_ = false; | |
| 294 | |
| 295 Statement begin(*this, SQLITE_FROM_HERE, "BEGIN TRANSACTION"); | |
| 296 if (!begin.Run()) | |
| 297 return false; | |
| 298 } | |
| 299 transactionNesting_++; | |
| 300 return success; | |
| 301 } | |
| 302 | |
| 303 void Connection::RollbackTransaction() | |
| 304 { | |
| 305 if (!transactionNesting_) | |
| 306 { | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
307 throw OrthancSQLiteException(ErrorCode_SQLiteRollbackWithoutTransaction); |
| 0 | 308 } |
| 309 | |
| 310 transactionNesting_--; | |
| 311 | |
| 312 if (transactionNesting_ > 0) | |
| 313 { | |
| 314 // Mark the outermost transaction as needing rollback. | |
| 315 needsRollback_ = true; | |
| 316 return; | |
| 317 } | |
| 318 | |
| 319 DoRollback(); | |
| 320 } | |
| 321 | |
| 322 bool Connection::CommitTransaction() | |
| 323 { | |
| 324 if (!transactionNesting_) | |
| 325 { | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
326 throw OrthancSQLiteException(ErrorCode_SQLiteCommitWithoutTransaction); |
| 0 | 327 } |
| 328 transactionNesting_--; | |
| 329 | |
| 330 if (transactionNesting_ > 0) | |
| 331 { | |
| 332 // Mark any nested transactions as failing after we've already got one. | |
| 333 return !needsRollback_; | |
| 334 } | |
| 335 | |
| 336 if (needsRollback_) | |
| 337 { | |
| 338 DoRollback(); | |
| 339 return false; | |
| 340 } | |
| 341 | |
| 342 Statement commit(*this, SQLITE_FROM_HERE, "COMMIT"); | |
| 343 return commit.Run(); | |
| 344 } | |
| 345 | |
| 346 void Connection::DoRollback() | |
| 347 { | |
| 348 Statement rollback(*this, SQLITE_FROM_HERE, "ROLLBACK"); | |
| 349 rollback.Run(); | |
| 350 needsRollback_ = false; | |
| 351 } | |
| 352 | |
| 353 | |
| 354 | |
| 355 | |
| 356 | |
| 357 | |
| 358 static void ScalarFunctionCaller(sqlite3_context* rawContext, | |
| 359 int argc, | |
| 360 sqlite3_value** argv) | |
| 361 { | |
| 362 FunctionContext context(rawContext, argc, argv); | |
| 363 | |
| 364 void* payload = sqlite3_user_data(rawContext); | |
| 365 assert(payload != NULL); | |
| 366 | |
| 656 | 367 IScalarFunction& func = *reinterpret_cast<IScalarFunction*>(payload); |
| 0 | 368 func.Compute(context); |
| 369 } | |
| 370 | |
| 371 | |
| 372 static void ScalarFunctionDestroyer(void* payload) | |
| 373 { | |
| 374 assert(payload != NULL); | |
| 656 | 375 delete reinterpret_cast<IScalarFunction*>(payload); |
| 0 | 376 } |
| 377 | |
| 378 | |
| 379 IScalarFunction* Connection::Register(IScalarFunction* func) | |
| 380 { | |
| 381 int err = sqlite3_create_function_v2(db_, | |
| 382 func->GetName(), | |
| 383 func->GetCardinality(), | |
| 384 SQLITE_UTF8, | |
| 385 func, | |
| 386 ScalarFunctionCaller, | |
| 387 NULL, | |
| 388 NULL, | |
| 389 ScalarFunctionDestroyer); | |
| 390 | |
| 391 if (err != SQLITE_OK) | |
| 392 { | |
| 393 delete func; | |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
394 throw OrthancSQLiteException(ErrorCode_SQLiteRegisterFunction); |
| 0 | 395 } |
| 396 | |
| 397 return func; | |
| 398 } | |
| 399 | |
|
206
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
400 |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
401 void Connection::FlushToDisk() |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
402 { |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
403 #if ORTHANC_SQLITE_STANDALONE != 1 |
|
4269
c7bd2f21ccc3
new macro CLOG, and sharing more code between logging engines
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4268
diff
changeset
|
404 CLOG(TRACE, SQLITE) << "SQLite::Connection::FlushToDisk"; |
|
1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
405 #endif |
|
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
406 |
|
206
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
407 int err = sqlite3_wal_checkpoint(db_, NULL); |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
408 |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
409 if (err != SQLITE_OK) |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
410 { |
|
1582
bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1486
diff
changeset
|
411 throw OrthancSQLiteException(ErrorCode_SQLiteFlush); |
|
206
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
412 } |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
181
diff
changeset
|
413 } |
| 0 | 414 } |
| 415 } |