Mercurial > hg > orthanc
annotate OrthancFramework/Sources/SQLite/Connection.h @ 5663:3765085693e5 large-queries
merge default -> large-queries
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Thu, 04 Jul 2024 07:40:58 +0200 |
| parents | 28cc06e4859a f7adfb22e20e |
| children |
| 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:
689
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:
689
diff
changeset
|
5 * Medical Physics Department, CHU of Liege, Belgium |
|
5640
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
6 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
|
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
7 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
|
5485
48b8dae6dc77
upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5357
diff
changeset
|
8 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 9 * |
| 17 | 10 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 11 * | |
| 12 * Redistribution and use in source and binary forms, with or without | |
| 13 * modification, are permitted provided that the following conditions are | |
| 14 * met: | |
| 0 | 15 * |
| 17 | 16 * * Redistributions of source code must retain the above copyright |
| 17 * notice, this list of conditions and the following disclaimer. | |
| 18 * * Redistributions in binary form must reproduce the above | |
| 19 * copyright notice, this list of conditions and the following disclaimer | |
| 20 * in the documentation and/or other materials provided with the | |
| 21 * distribution. | |
| 22 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 23 * nor the names of its contributors may be used to endorse or promote | |
| 24 * products derived from this software without specific prior written | |
| 25 * permission. | |
| 26 * | |
| 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 38 **/ |
| 39 | |
| 40 | |
| 41 #pragma once | |
| 42 | |
| 43 #include "Statement.h" | |
| 44 #include "IScalarFunction.h" | |
|
2302
f31dfb131dee
fix backward compatibility with SQLite < 3.19.0
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
45 #include "SQLiteTypes.h" |
| 0 | 46 |
| 47 #include <string> | |
| 48 #include <map> | |
| 49 | |
|
5357
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
50 #if !defined(__ORTHANC_FILE__) |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
51 # if defined(_MSC_VER) |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
52 # pragma message("Warning: Macro __ORTHANC_FILE__ is not defined, this will leak the full path of the source files in the binaries") |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
53 # else |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
54 # warning Warning: Macro __ORTHANC_FILE__ is not defined, this will leak the full path of the source files in the binaries |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
55 # endif |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
56 # define __ORTHANC_FILE__ __FILE__ |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
57 #endif |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
58 |
|
fddb5d8d0021
Prevent the leak of the full path of the source files in the binaries
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
59 #define SQLITE_FROM_HERE ::Orthanc::SQLite::StatementId(__ORTHANC_FILE__, __LINE__) |
|
5553
28cc06e4859a
Added ExtendedApiV1: /changes
Alain Mazy <am@orthanc.team>
parents:
5485
diff
changeset
|
60 #define SQLITE_FROM_HERE_DYNAMIC(sql) ::Orthanc::SQLite::StatementId(__ORTHANC_FILE__, __LINE__, sql) |
|
28cc06e4859a
Added ExtendedApiV1: /changes
Alain Mazy <am@orthanc.team>
parents:
5485
diff
changeset
|
61 |
| 0 | 62 |
| 59 | 63 namespace Orthanc |
| 0 | 64 { |
| 65 namespace SQLite | |
| 66 { | |
|
3992
f9863630ec7f
working on the shared library for Orthanc framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3063
diff
changeset
|
67 class ORTHANC_PUBLIC Connection : NonCopyable |
| 0 | 68 { |
| 69 friend class Statement; | |
| 70 friend class Transaction; | |
| 71 | |
| 72 private: | |
| 73 // All cached statements. Keeping a reference to these statements means that | |
| 74 // they'll remain active. | |
| 75 typedef std::map<StatementId, StatementReference*> CachedStatements; | |
| 76 CachedStatements cachedStatements_; | |
| 77 | |
| 78 // The actual sqlite database. Will be NULL before Init has been called or if | |
| 79 // Init resulted in an error. | |
| 80 sqlite3* db_; | |
| 81 | |
| 82 // Number of currently-nested transactions. | |
| 83 int transactionNesting_; | |
| 84 | |
| 85 // True if any of the currently nested transactions have been rolled back. | |
| 86 // When we get to the outermost transaction, this will determine if we do | |
| 87 // a rollback instead of a commit. | |
| 88 bool needsRollback_; | |
| 89 | |
| 90 void ClearCache(); | |
| 91 | |
| 92 void CheckIsOpen() const; | |
| 93 | |
| 94 sqlite3* GetWrappedObject() | |
| 95 { | |
| 96 return db_; | |
| 97 } | |
| 98 | |
| 99 StatementReference& GetCachedStatement(const StatementId& id, | |
| 100 const char* sql); | |
| 101 | |
| 102 bool DoesTableOrIndexExist(const char* name, | |
| 103 const char* type) const; | |
| 104 | |
| 105 void DoRollback(); | |
| 106 | |
| 107 public: | |
| 108 // The database is opened by calling Open[InMemory](). Any uncommitted | |
| 109 // transactions will be rolled back when this object is deleted. | |
| 110 Connection(); | |
| 111 ~Connection(); | |
| 112 | |
| 113 void Open(const std::string& path); | |
| 114 | |
| 115 void OpenInMemory(); | |
| 116 | |
| 117 void Close(); | |
| 118 | |
| 119 bool Execute(const char* sql); | |
| 120 | |
| 4304 | 121 bool Execute(const std::string& sql); |
| 0 | 122 |
|
206
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
59
diff
changeset
|
123 void FlushToDisk(); |
|
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
59
diff
changeset
|
124 |
| 0 | 125 IScalarFunction* Register(IScalarFunction* func); // Takes the ownership of the function |
| 126 | |
| 127 // Info querying ------------------------------------------------------------- | |
| 128 | |
| 129 // Used to check a |sql| statement for syntactic validity. If the | |
| 130 // statement is valid SQL, returns true. | |
| 131 bool IsSQLValid(const char* sql); | |
| 132 | |
| 133 // Returns true if the given table exists. | |
| 134 bool DoesTableExist(const char* table_name) const; | |
| 135 | |
| 136 // Returns true if the given index exists. | |
| 137 bool DoesIndexExist(const char* index_name) const; | |
| 138 | |
| 139 // Returns true if a column with the given name exists in the given table. | |
| 140 bool DoesColumnExist(const char* table_name, const char* column_name) const; | |
| 141 | |
| 142 // Returns sqlite's internal ID for the last inserted row. Valid only | |
| 143 // immediately after an insert. | |
| 144 int64_t GetLastInsertRowId() const; | |
| 145 | |
| 146 // Returns sqlite's count of the number of rows modified by the last | |
| 147 // statement executed. Will be 0 if no statement has executed or the database | |
| 148 // is closed. | |
| 149 int GetLastChangeCount() const; | |
| 150 | |
| 151 // Errors -------------------------------------------------------------------- | |
| 152 | |
| 153 // Returns the error code associated with the last sqlite operation. | |
| 154 int GetErrorCode() const; | |
| 155 | |
| 156 // Returns the errno associated with GetErrorCode(). See | |
| 157 // SQLITE_LAST_ERRNO in SQLite documentation. | |
| 158 int GetLastErrno() const; | |
| 159 | |
| 160 // Returns a pointer to a statically allocated string associated with the | |
| 161 // last sqlite operation. | |
| 162 const char* GetErrorMessage() const; | |
| 163 | |
| 164 | |
| 165 // Diagnostics (for unit tests) ---------------------------------------------- | |
| 166 | |
| 167 int ExecuteAndReturnErrorCode(const char* sql); | |
| 168 | |
| 4304 | 169 bool HasCachedStatement(const StatementId& id) const; |
| 0 | 170 |
| 4304 | 171 int GetTransactionNesting() const; |
| 0 | 172 |
| 173 // Transactions -------------------------------------------------------------- | |
| 174 | |
| 175 bool BeginTransaction(); | |
| 176 void RollbackTransaction(); | |
|
206
4453a010d0db
flush to disk thread
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
59
diff
changeset
|
177 bool CommitTransaction(); |
| 0 | 178 }; |
| 179 } | |
| 180 } |