Mercurial > hg > orthanc
annotate Core/SQLite/Statement.cpp @ 3578:8e9e0739d3e8
merge
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 19 Nov 2019 17:27:25 +0100 |
| parents | fa5ad4368fe3 |
| children | 113a9643e8bb |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * |
| 3063 | 4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>, |
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5 * Medical Physics Department, CHU of Liege, Belgium |
| 0 | 6 * |
| 17 | 7 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 8 * | |
| 9 * Redistribution and use in source and binary forms, with or without | |
| 10 * modification, are permitted provided that the following conditions are | |
| 11 * met: | |
| 0 | 12 * |
| 17 | 13 * * Redistributions of source code must retain the above copyright |
| 14 * notice, this list of conditions and the following disclaimer. | |
| 15 * * Redistributions in binary form must reproduce the above | |
| 16 * copyright notice, this list of conditions and the following disclaimer | |
| 17 * in the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 20 * nor the names of its contributors may be used to endorse or promote | |
| 21 * products derived from this software without specific prior written | |
| 22 * permission. | |
| 23 * | |
| 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 35 **/ |
| 36 | |
| 37 | |
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38 #if ORTHANC_SQLITE_STANDALONE != 1 |
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39 #include "../PrecompiledHeaders.h" |
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40 #endif |
| 0 | 41 |
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42 #include "Statement.h" |
| 0 | 43 #include "Connection.h" |
| 44 | |
| 45 #include <string.h> | |
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46 #include <stdio.h> |
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47 #include <algorithm> |
| 0 | 48 |
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49 #if (ORTHANC_SQLITE_STANDALONE == 1) |
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50 // Trace logging is disabled if this SQLite wrapper is used |
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51 // independently of Orthanc |
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52 # define LOG_CREATE(message); |
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53 # define LOG_APPLY(message); |
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54 #elif defined(NDEBUG) |
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55 // Trace logging is disabled in release builds |
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56 # include "../Logging.h" |
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57 # define LOG_CREATE(message); |
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58 # define LOG_APPLY(message); |
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59 #else |
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60 // Trace logging is enabled in debug builds |
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61 # include "../Logging.h" |
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62 # define LOG_CREATE(message) VLOG(1) << "SQLite::Statement create: " << message; |
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63 # define LOG_APPLY(message); // VLOG(1) << "SQLite::Statement apply: " << message; |
| 1226 | 64 #endif |
| 65 | |
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66 #include "sqlite3.h" |
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67 |
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68 #if defined(_MSC_VER) |
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69 #define snprintf _snprintf |
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70 #endif |
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71 |
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72 |
| 59 | 73 namespace Orthanc |
| 0 | 74 { |
| 75 namespace SQLite | |
| 76 { | |
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77 int Statement::CheckError(int err, ErrorCode code) const |
| 0 | 78 { |
| 79 bool succeeded = (err == SQLITE_OK || err == SQLITE_ROW || err == SQLITE_DONE); | |
| 80 if (!succeeded) | |
| 81 { | |
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82 #if ORTHANC_SQLITE_STANDALONE != 1 |
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83 char buffer[128]; |
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84 snprintf(buffer, sizeof(buffer) - 1, "SQLite error code %d", err); |
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85 LOG(ERROR) << buffer; |
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86 #endif |
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87 |
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88 throw OrthancSQLiteException(code); |
| 0 | 89 } |
| 90 | |
| 91 return err; | |
| 92 } | |
| 93 | |
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94 void Statement::CheckOk(int err, ErrorCode code) const |
| 0 | 95 { |
| 96 if (err == SQLITE_RANGE) | |
| 97 { | |
| 98 // Binding to a non-existent variable is evidence of a serious error. | |
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99 throw OrthancSQLiteException(ErrorCode_SQLiteBindOutOfRange); |
| 0 | 100 } |
| 101 else if (err != SQLITE_OK) | |
| 102 { | |
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103 #if ORTHANC_SQLITE_STANDALONE != 1 |
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104 char buffer[128]; |
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105 snprintf(buffer, sizeof(buffer) - 1, "SQLite error code %d", err); |
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106 LOG(ERROR) << buffer; |
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107 #endif |
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108 |
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109 throw OrthancSQLiteException(code); |
| 0 | 110 } |
| 111 } | |
| 112 | |
| 113 | |
| 114 Statement::Statement(Connection& database, | |
| 115 const StatementId& id, | |
| 116 const std::string& sql) : | |
| 117 reference_(database.GetCachedStatement(id, sql.c_str())) | |
| 118 { | |
| 119 Reset(true); | |
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120 LOG_CREATE(sql); |
| 0 | 121 } |
| 122 | |
| 123 | |
| 124 Statement::Statement(Connection& database, | |
| 125 const StatementId& id, | |
| 126 const char* sql) : | |
| 127 reference_(database.GetCachedStatement(id, sql)) | |
| 128 { | |
| 129 Reset(true); | |
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130 LOG_CREATE(sql); |
| 0 | 131 } |
| 132 | |
| 133 | |
| 134 Statement::Statement(Connection& database, | |
| 135 const std::string& sql) : | |
| 136 reference_(database.GetWrappedObject(), sql.c_str()) | |
| 137 { | |
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138 LOG_CREATE(sql); |
| 0 | 139 } |
| 140 | |
| 141 | |
| 142 Statement::Statement(Connection& database, | |
| 143 const char* sql) : | |
| 144 reference_(database.GetWrappedObject(), sql) | |
| 145 { | |
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146 LOG_CREATE(sql); |
| 0 | 147 } |
| 148 | |
| 149 | |
| 150 bool Statement::Run() | |
| 151 { | |
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152 LOG_APPLY(sqlite3_sql(GetStatement())); |
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153 |
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154 return CheckError(sqlite3_step(GetStatement()), ErrorCode_SQLiteCannotRun) == SQLITE_DONE; |
| 0 | 155 } |
| 156 | |
| 157 bool Statement::Step() | |
| 158 { | |
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159 LOG_APPLY(sqlite3_sql(GetStatement())); |
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160 |
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161 return CheckError(sqlite3_step(GetStatement()), ErrorCode_SQLiteCannotStep) == SQLITE_ROW; |
| 0 | 162 } |
| 163 | |
| 164 void Statement::Reset(bool clear_bound_vars) | |
| 165 { | |
| 166 // We don't call CheckError() here because sqlite3_reset() returns | |
| 167 // the last error that Step() caused thereby generating a second | |
| 168 // spurious error callback. | |
| 169 if (clear_bound_vars) | |
| 170 sqlite3_clear_bindings(GetStatement()); | |
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171 //VLOG(1) << "SQLite::Statement::Reset"; |
| 0 | 172 sqlite3_reset(GetStatement()); |
| 173 } | |
| 174 | |
| 175 std::string Statement::GetOriginalSQLStatement() | |
| 176 { | |
| 177 return std::string(sqlite3_sql(GetStatement())); | |
| 178 } | |
| 179 | |
| 180 | |
| 181 void Statement::BindNull(int col) | |
| 182 { | |
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183 CheckOk(sqlite3_bind_null(GetStatement(), col + 1), |
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184 ErrorCode_BadParameterType); |
| 0 | 185 } |
| 186 | |
| 187 void Statement::BindBool(int col, bool val) | |
| 188 { | |
| 189 BindInt(col, val ? 1 : 0); | |
| 190 } | |
| 191 | |
| 192 void Statement::BindInt(int col, int val) | |
| 193 { | |
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194 CheckOk(sqlite3_bind_int(GetStatement(), col + 1, val), |
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195 ErrorCode_BadParameterType); |
| 0 | 196 } |
| 197 | |
| 198 void Statement::BindInt64(int col, int64_t val) | |
| 199 { | |
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200 CheckOk(sqlite3_bind_int64(GetStatement(), col + 1, val), |
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201 ErrorCode_BadParameterType); |
| 0 | 202 } |
| 203 | |
| 204 void Statement::BindDouble(int col, double val) | |
| 205 { | |
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206 CheckOk(sqlite3_bind_double(GetStatement(), col + 1, val), |
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207 ErrorCode_BadParameterType); |
| 0 | 208 } |
| 209 | |
| 210 void Statement::BindCString(int col, const char* val) | |
| 211 { | |
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212 CheckOk(sqlite3_bind_text(GetStatement(), col + 1, val, -1, SQLITE_TRANSIENT), |
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213 ErrorCode_BadParameterType); |
| 0 | 214 } |
| 215 | |
| 216 void Statement::BindString(int col, const std::string& val) | |
| 217 { | |
| 218 CheckOk(sqlite3_bind_text(GetStatement(), | |
| 219 col + 1, | |
| 220 val.data(), | |
| 221 val.size(), | |
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222 SQLITE_TRANSIENT), |
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223 ErrorCode_BadParameterType); |
| 0 | 224 } |
| 225 | |
| 226 /*void Statement::BindString16(int col, const string16& value) | |
| 227 { | |
| 228 BindString(col, UTF16ToUTF8(value)); | |
| 229 }*/ | |
| 230 | |
| 231 void Statement::BindBlob(int col, const void* val, int val_len) | |
| 232 { | |
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233 CheckOk(sqlite3_bind_blob(GetStatement(), col + 1, val, val_len, SQLITE_TRANSIENT), |
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234 ErrorCode_BadParameterType); |
| 0 | 235 } |
| 236 | |
| 237 | |
| 238 int Statement::ColumnCount() const | |
| 239 { | |
| 240 return sqlite3_column_count(GetStatement()); | |
| 241 } | |
| 242 | |
| 243 | |
| 244 ColumnType Statement::GetColumnType(int col) const | |
| 245 { | |
| 246 // Verify that our enum matches sqlite's values. | |
| 247 assert(COLUMN_TYPE_INTEGER == SQLITE_INTEGER); | |
| 248 assert(COLUMN_TYPE_FLOAT == SQLITE_FLOAT); | |
| 249 assert(COLUMN_TYPE_TEXT == SQLITE_TEXT); | |
| 250 assert(COLUMN_TYPE_BLOB == SQLITE_BLOB); | |
| 251 assert(COLUMN_TYPE_NULL == SQLITE_NULL); | |
| 252 | |
| 253 return static_cast<ColumnType>(sqlite3_column_type(GetStatement(), col)); | |
| 254 } | |
| 255 | |
| 256 ColumnType Statement::GetDeclaredColumnType(int col) const | |
| 257 { | |
| 258 std::string column_type(sqlite3_column_decltype(GetStatement(), col)); | |
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259 std::transform(column_type.begin(), column_type.end(), column_type.begin(), tolower); |
| 0 | 260 |
| 261 if (column_type == "integer") | |
| 262 return COLUMN_TYPE_INTEGER; | |
| 263 else if (column_type == "float") | |
| 264 return COLUMN_TYPE_FLOAT; | |
| 265 else if (column_type == "text") | |
| 266 return COLUMN_TYPE_TEXT; | |
| 267 else if (column_type == "blob") | |
| 268 return COLUMN_TYPE_BLOB; | |
| 269 | |
| 270 return COLUMN_TYPE_NULL; | |
| 271 } | |
| 272 | |
| 80 | 273 bool Statement::ColumnIsNull(int col) const |
| 274 { | |
| 275 return sqlite3_column_type(GetStatement(), col) == SQLITE_NULL; | |
| 276 } | |
| 277 | |
| 0 | 278 bool Statement::ColumnBool(int col) const |
| 279 { | |
| 280 return !!ColumnInt(col); | |
| 281 } | |
| 282 | |
| 283 int Statement::ColumnInt(int col) const | |
| 284 { | |
| 285 return sqlite3_column_int(GetStatement(), col); | |
| 286 } | |
| 287 | |
| 288 int64_t Statement::ColumnInt64(int col) const | |
| 289 { | |
| 290 return sqlite3_column_int64(GetStatement(), col); | |
| 291 } | |
| 292 | |
| 293 double Statement::ColumnDouble(int col) const | |
| 294 { | |
| 295 return sqlite3_column_double(GetStatement(), col); | |
| 296 } | |
| 297 | |
| 298 std::string Statement::ColumnString(int col) const | |
| 299 { | |
| 300 const char* str = reinterpret_cast<const char*>( | |
| 301 sqlite3_column_text(GetStatement(), col)); | |
| 302 int len = sqlite3_column_bytes(GetStatement(), col); | |
| 303 | |
| 304 std::string result; | |
| 305 if (str && len > 0) | |
| 306 result.assign(str, len); | |
| 307 return result; | |
| 308 } | |
| 309 | |
| 310 /*string16 Statement::ColumnString16(int col) const | |
| 311 { | |
| 312 std::string s = ColumnString(col); | |
| 313 return !s.empty() ? UTF8ToUTF16(s) : string16(); | |
| 314 }*/ | |
| 315 | |
| 316 int Statement::ColumnByteLength(int col) const | |
| 317 { | |
| 318 return sqlite3_column_bytes(GetStatement(), col); | |
| 319 } | |
| 320 | |
| 321 const void* Statement::ColumnBlob(int col) const | |
| 322 { | |
| 323 return sqlite3_column_blob(GetStatement(), col); | |
| 324 } | |
| 325 | |
| 326 bool Statement::ColumnBlobAsString(int col, std::string* blob) | |
| 327 { | |
| 328 const void* p = ColumnBlob(col); | |
| 329 size_t len = ColumnByteLength(col); | |
| 330 blob->resize(len); | |
| 331 if (blob->size() != len) { | |
| 332 return false; | |
| 333 } | |
| 334 blob->assign(reinterpret_cast<const char*>(p), len); | |
| 335 return true; | |
| 336 } | |
| 337 | |
| 338 /*bool Statement::ColumnBlobAsString16(int col, string16* val) const | |
| 339 { | |
| 340 const void* data = ColumnBlob(col); | |
| 341 size_t len = ColumnByteLength(col) / sizeof(char16); | |
| 342 val->resize(len); | |
| 343 if (val->size() != len) | |
| 344 return false; | |
| 345 val->assign(reinterpret_cast<const char16*>(data), len); | |
| 346 return true; | |
| 347 }*/ | |
| 348 | |
| 724 | 349 /*bool Statement::ColumnBlobAsVector(int col, std::vector<char>* val) const |
| 0 | 350 { |
| 351 val->clear(); | |
| 352 | |
| 353 const void* data = sqlite3_column_blob(GetStatement(), col); | |
| 354 int len = sqlite3_column_bytes(GetStatement(), col); | |
| 355 if (data && len > 0) { | |
| 356 val->resize(len); | |
| 357 memcpy(&(*val)[0], data, len); | |
| 358 } | |
| 359 return true; | |
| 724 | 360 }*/ |
| 0 | 361 |
| 724 | 362 /*bool Statement::ColumnBlobAsVector( |
| 0 | 363 int col, |
| 364 std::vector<unsigned char>* val) const | |
| 365 { | |
| 366 return ColumnBlobAsVector(col, reinterpret_cast< std::vector<char>* >(val)); | |
| 724 | 367 }*/ |
| 0 | 368 |
| 369 } | |
| 370 } |