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annotate Framework/Odbc/OdbcDatabase.cpp @ 339:d543832987da

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fix for Debian unstable
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 11 Aug 2021 14:21:25 +0200
parents 79e21c33962d
children 16aac0287485
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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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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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22 #include "OdbcDatabase.h"
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23
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24 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" // For ORTHANC_PLUGINS_VERSION_IS_ABOVE
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25 #include "../Common/ImplicitTransaction.h"
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26 #include "../Common/RetryDatabaseFactory.h"
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27 #include "../Common/Utf8StringValue.h"
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28 #include "OdbcPreparedStatement.h"
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29 #include "OdbcResult.h"
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30
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31 #include <Logging.h>
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32 #include <OrthancException.h>
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33 #include <Toolbox.h>
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34
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35 #include <boost/algorithm/string/predicate.hpp>
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36 #include <sqlext.h>
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39 namespace OrthancDatabases
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40 {
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41 static void SetAutoCommitTransaction(SQLHDBC handle,
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42 bool autocommit)
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43 {
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44 // Go to autocommit mode
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45 SQLPOINTER value = (SQLPOINTER) (autocommit ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
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47 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle, SQL_ATTR_AUTOCOMMIT, value, SQL_IS_UINTEGER)))
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48 {
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49 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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50 "Cannot switch the autocommit mode");
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51 }
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52 }
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55 class OdbcDatabase::OdbcImplicitTransaction : public ImplicitTransaction
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56 {
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57 private:
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58 OdbcDatabase& db_;
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59
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60 protected:
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61 virtual IResult* ExecuteInternal(IPrecompiledStatement& statement,
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62 const Dictionary& parameters) ORTHANC_OVERRIDE
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63 {
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64 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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65 }
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66
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67 virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement,
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68 const Dictionary& parameters) ORTHANC_OVERRIDE
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69 {
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70 std::unique_ptr<IResult> result(Execute(statement, parameters));
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71 }
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72
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73 public:
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74 explicit OdbcImplicitTransaction(OdbcDatabase& db) :
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75 db_(db)
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76 {
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77 SetAutoCommitTransaction(db_.GetHandle(), true);
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78 }
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79
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80 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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81 {
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82 return db_.DoesTableExist(name.c_str());
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83 }
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84
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85 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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86 {
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87 return false;
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88 }
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89
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90 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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91 {
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92 db_.ExecuteMultiLines(query);
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93 }
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94 };
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95
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96
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97 class OdbcDatabase::OdbcExplicitTransaction : public ITransaction
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98 {
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99 private:
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100 OdbcDatabase& db_;
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101 bool isOpen_;
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102
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103 void EndTransaction(SQLSMALLINT completionType)
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104 {
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105 if (!isOpen_)
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106 {
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107 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "Transaction is already finalized");
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108 }
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109 else if (SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), completionType)))
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110 {
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111 isOpen_ = false;
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112 }
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113 else
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114 {
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115 SQLCHAR stateBuf[SQL_SQLSTATE_SIZE + 1];
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116 SQLSMALLINT stateLength = 0;
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117
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118 const SQLSMALLINT recNum = 1;
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119
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120 if (SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_DBC, db_.GetHandle(),
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121 recNum, SQL_DIAG_SQLSTATE, &stateBuf, sizeof(stateBuf), &stateLength)))
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122 {
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123 const std::string state(reinterpret_cast<const char*>(stateBuf));
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124
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125 if (state == "40001")
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126 {
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127 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 2)
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128 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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129 #else
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130 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Collision between multiple writers");
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131 #endif
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132 }
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133 }
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134
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135 switch (completionType)
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136 {
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137 case SQL_COMMIT:
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138 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot commit transaction");
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139
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140 case SQL_ROLLBACK:
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141 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot rollback transaction");
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142
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143 default:
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144 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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145 }
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146 }
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147 }
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148
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149 public:
338
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150 explicit OdbcExplicitTransaction(OdbcDatabase& db) :
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151 db_(db),
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152 isOpen_(true)
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153 {
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154 SetAutoCommitTransaction(db_.GetHandle(), false);
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155 }
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156
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157 virtual ~OdbcExplicitTransaction()
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158 {
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159 if (isOpen_)
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160 {
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161 LOG(INFO) << "An active ODBC transaction was dismissed";
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162 if (!SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), SQL_ROLLBACK)))
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163 {
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164 LOG(ERROR) << "Cannot rollback transaction";
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165 }
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166 }
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167 }
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168
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169 virtual bool IsImplicit() const ORTHANC_OVERRIDE
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170 {
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171 return false;
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172 }
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173
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174 virtual void Commit() ORTHANC_OVERRIDE
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175 {
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176 EndTransaction(SQL_COMMIT);
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177 }
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178
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179 virtual void Rollback() ORTHANC_OVERRIDE
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180 {
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181 EndTransaction(SQL_ROLLBACK);
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182 }
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183
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184 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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185 {
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186 return db_.DoesTableExist(name.c_str());
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187 }
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188
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189 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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190 {
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191 return false;
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192 }
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193
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194 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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195 {
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196 db_.ExecuteMultiLines(query);
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197 }
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198
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199 virtual IResult* Execute(IPrecompiledStatement& statement,
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200 const Dictionary& parameters) ORTHANC_OVERRIDE
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201 {
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202 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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203 }
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204
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205 virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
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206 const Dictionary& parameters) ORTHANC_OVERRIDE
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207 {
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208 std::unique_ptr<IResult> result(Execute(statement, parameters));
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209 }
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210 };
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211
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212
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213 static bool ParseThreePartsVersion(unsigned int& majorVersion,
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214 const std::string& version)
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215 {
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216 std::vector<std::string> tokens;
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217 Orthanc::Toolbox::TokenizeString(tokens, version, '.');
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218
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219 try
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220 {
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221 if (tokens.size() == 3u)
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222 {
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223 int tmp = boost::lexical_cast<int>(tokens[0]);
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224 if (tmp >= 0)
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225 {
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226 majorVersion = static_cast<unsigned int>(tmp);
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227 return true;
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228 }
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229 }
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230 }
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231 catch (boost::bad_lexical_cast&)
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232 {
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233 }
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234
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235 return false;
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236 }
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237
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238
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239 OdbcDatabase::OdbcDatabase(OdbcEnvironment& environment,
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240 const std::string& connectionString) :
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241 dbmsMajorVersion_(0)
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242 {
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243 LOG(INFO) << "Creating an ODBC connection: " << connectionString;
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244
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245 /* Allocate a connection handle */
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246 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_DBC, environment.GetHandle(), &handle_)))
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247 {
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248 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable,
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249 "Cannot create ODBC connection");
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250 }
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251
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252 /* Connect to the DSN mydsn */
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253 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(connectionString.c_str()));
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254 SQLCHAR outBuffer[2048];
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255 SQLSMALLINT outSize = 0;
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256
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257 bool success = true;
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258
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259 if (SQL_SUCCEEDED(SQLDriverConnect(handle_, NULL, tmp, SQL_NTS /* null-terminated string */,
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260 outBuffer, sizeof(outBuffer), &outSize, SQL_DRIVER_COMPLETE)))
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261 {
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262 LOG(INFO) << "Returned connection string: " << outBuffer;
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263 }
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264 else
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265 {
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266 success = false;
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267 }
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268
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269 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle_, SQL_ATTR_TXN_ISOLATION, (SQLPOINTER) SQL_TXN_SERIALIZABLE, SQL_NTS)))
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270 {
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271 /**
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272 * Switch to the "serializable" isolation level that is expected
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273 * by Orthanc. This is already the default for MySQL and MSSQL,
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274 * but is needed for PostgreSQL.
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275 * https://docs.microsoft.com/en-us/sql/odbc/reference/develop-app/transaction-isolation-levels
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276 **/
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277 success = false;
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278 }
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279
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280 SQLCHAR versionBuffer[2048];
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281 SQLSMALLINT versionSize;
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282
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283 if (success &&
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284 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_NAME, outBuffer, sizeof(outBuffer) - 1, &outSize)) &&
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285 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_VER, versionBuffer, sizeof(versionBuffer) - 1, &versionSize)))
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286 {
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287 std::string dbms(reinterpret_cast<const char*>(outBuffer), outSize);
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288 std::string version(reinterpret_cast<const char*>(versionBuffer), versionSize);
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289
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290 LOG(WARNING) << "DBMS Name: " << dbms;
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291 LOG(WARNING) << "DBMS Version: " << version;
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292
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293 if (dbms == "PostgreSQL")
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294 {
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295 dialect_ = Dialect_PostgreSQL;
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296 }
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297 else if (dbms == "SQLite")
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298 {
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299 dialect_ = Dialect_SQLite;
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300 ExecuteMultiLines("PRAGMA FOREIGN_KEYS=ON"); // Necessary for cascaded delete to work
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301 ExecuteMultiLines("PRAGMA ENCODING=\"UTF-8\"");
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302
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303 // The following lines speed up SQLite
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304
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305 /*ExecuteMultiLines("PRAGMA SYNCHRONOUS=NORMAL;");
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306 ExecuteMultiLines("PRAGMA JOURNAL_MODE=WAL;");
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307 ExecuteMultiLines("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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308 ExecuteMultiLines("PRAGMA WAL_AUTOCHECKPOINT=1000;");*/
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309 }
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310 else if (dbms == "MySQL")
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311 {
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312 dialect_ = Dialect_MySQL;
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313
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314 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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315 {
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316 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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317 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of MySQL: " + version);
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318 }
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319 }
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320 else if (dbms == "Microsoft SQL Server")
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321 {
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322 dialect_ = Dialect_MSSQL;
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323
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324 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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325 {
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326 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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327 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of SQL Server: " + version);
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328 }
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329 }
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330 else
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331 {
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332 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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333 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Unknown SQL dialect for DBMS: " + dbms);
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334 }
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335 }
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336 else
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337 {
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338 success = false;
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339 }
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340
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341 if (!success)
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342 {
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343 std::string error = FormatError();
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344 SQLFreeHandle(SQL_HANDLE_DBC, handle_); // Cannot call FormatError() below this point
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345
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346 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable, "Error in SQLDriverConnect():\n" + error);
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347 }
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diff changeset
348 }
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349
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350
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351 OdbcDatabase::~OdbcDatabase()
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352 {
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353 LOG(INFO) << "Destructing an ODBC connection";
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354
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355 if (!SQL_SUCCEEDED(SQLDisconnect(handle_)))
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diff changeset
356 {
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diff changeset
357 LOG(ERROR) << "Cannot disconnect from driver";
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358 }
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diff changeset
359
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diff changeset
360 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_DBC, handle_)))
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diff changeset
361 {
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diff changeset
362 LOG(ERROR) << "Cannot destruct the ODBC connection";
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diff changeset
363 }
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parents:
diff changeset
364 }
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parents:
diff changeset
365
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parents:
diff changeset
366
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diff changeset
367 std::string OdbcDatabase::FormatError()
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diff changeset
368 {
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diff changeset
369 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_DBC);
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diff changeset
370 }
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parents:
diff changeset
371
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parents:
diff changeset
372
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diff changeset
373 void OdbcDatabase::ListTables(std::set<std::string>& target)
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diff changeset
374 {
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diff changeset
375 target.clear();
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diff changeset
376
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diff changeset
377 OdbcStatement statement(GetHandle());
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diff changeset
378
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diff changeset
379 if (SQL_SUCCEEDED(SQLTables(statement.GetHandle(), NULL, 0, NULL, 0, NULL, 0,
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diff changeset
380 const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>("'TABLE'")), SQL_NTS)))
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diff changeset
381 {
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diff changeset
382 OdbcResult result(statement, dialect_);
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diff changeset
383
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diff changeset
384 while (!result.IsDone())
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parents:
diff changeset
385 {
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diff changeset
386 if (result.GetFieldsCount() < 5)
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diff changeset
387 {
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diff changeset
388 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Invalid result for SQLTables()");
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diff changeset
389 }
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parents:
diff changeset
390 else
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parents:
diff changeset
391 {
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diff changeset
392 if (result.GetField(2).GetType() == ValueType_Utf8String &&
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diff changeset
393 result.GetField(3).GetType() == ValueType_Utf8String &&
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diff changeset
394 dynamic_cast<const Utf8StringValue&>(result.GetField(3)).GetContent() == "TABLE")
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diff changeset
395 {
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diff changeset
396 std::string name = dynamic_cast<const Utf8StringValue&>(result.GetField(2)).GetContent();
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diff changeset
397 Orthanc::Toolbox::ToLowerCase(name);
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diff changeset
398 target.insert(name);
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diff changeset
399 }
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parents:
diff changeset
400 }
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parents:
diff changeset
401
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parents:
diff changeset
402 result.Next();
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parents:
diff changeset
403 }
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parents:
diff changeset
404 }
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
405 }
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parents:
diff changeset
406
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parents:
diff changeset
407
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diff changeset
408 bool OdbcDatabase::DoesTableExist(const std::string& name)
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diff changeset
409 {
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diff changeset
410 std::set<std::string> tables;
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diff changeset
411 ListTables(tables);
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diff changeset
412 return (tables.find(name) != tables.end());
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parents:
diff changeset
413 }
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parents:
diff changeset
414
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parents:
diff changeset
415
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diff changeset
416 void OdbcDatabase::ExecuteMultiLines(const std::string& query)
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diff changeset
417 {
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parents:
diff changeset
418 OdbcStatement statement(GetHandle());
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parents:
diff changeset
419
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
420 std::vector<std::string> lines;
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parents:
diff changeset
421 Orthanc::Toolbox::TokenizeString(lines, query, ';');
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parents:
diff changeset
422
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parents:
diff changeset
423 for (size_t i = 0; i < lines.size(); i++)
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parents:
diff changeset
424 {
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parents:
diff changeset
425 std::string line = Orthanc::Toolbox::StripSpaces(lines[i]);
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diff changeset
426 if (!line.empty())
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parents:
diff changeset
427 {
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diff changeset
428 LOG(INFO) << "Running ODBC SQL: " << line;
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parents:
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429 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(line.c_str()));
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parents:
diff changeset
430
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diff changeset
431 SQLRETURN code = SQLExecDirect(statement.GetHandle(), tmp, SQL_NTS);
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parents:
diff changeset
432
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parents:
diff changeset
433 if (code != SQL_NO_DATA &&
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parents:
diff changeset
434 code != SQL_SUCCESS &&
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 code != SQL_SUCCESS_WITH_INFO)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436 {
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
437 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
438 "Cannot execute multi-line SQL:\n" + statement.FormatError());
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parents:
diff changeset
439 }
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
440 }
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parents:
diff changeset
441 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442 }
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parents:
diff changeset
443
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parents:
diff changeset
444
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parents:
diff changeset
445 IPrecompiledStatement* OdbcDatabase::Compile(const Query& query)
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parents:
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446 {
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diff changeset
447 return new OdbcPreparedStatement(GetHandle(), GetDialect(), query);
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parents:
diff changeset
448 }
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parents:
diff changeset
449
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parents:
diff changeset
450
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diff changeset
451 ITransaction* OdbcDatabase::CreateTransaction(TransactionType type)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 {
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parents:
diff changeset
453 /**
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parents:
diff changeset
454 * In ODBC, there is no "START TRANSACTION". A transaction is
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parents:
diff changeset
455 * automatically created with each connection, and the "READ
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parents:
diff changeset
456 * ONLY" status can only be set at the statement level
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parents:
diff changeset
457 * (cf. SQL_CONCUR_READ_ONLY). One can only control the
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458 * autocommit: https://stackoverflow.com/a/35351267/881731
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parents:
diff changeset
459 **/
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parents:
diff changeset
460 switch (type)
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parents:
diff changeset
461 {
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
462 case TransactionType_Implicit:
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parents:
diff changeset
463 return new OdbcImplicitTransaction(*this);
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parents:
diff changeset
464
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diff changeset
465 case TransactionType_ReadWrite:
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parents:
diff changeset
466 case TransactionType_ReadOnly:
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diff changeset
467 return new OdbcExplicitTransaction(*this);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
468
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 default:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
470 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
472 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474
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parents:
diff changeset
475 unsigned int OdbcDatabase::GetDbmsMajorVersion() const
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 return dbmsMajorVersion_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
480
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
481 IDatabaseFactory* OdbcDatabase::CreateDatabaseFactory(unsigned int maxConnectionRetries,
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parents:
diff changeset
482 unsigned int connectionRetryInterval,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484 bool checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
486 class Factory : public RetryDatabaseFactory
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488 private:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489 OdbcEnvironment environment_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 std::string connectionString_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 bool checkEncodings_;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493 bool LookupConnectionOption(std::string& value,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
494 const std::string& option) const
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
495 {
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parents:
diff changeset
496 std::vector<std::string> tokens;
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
497 Orthanc::Toolbox::TokenizeString(tokens, connectionString_, ';');
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498
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parents:
diff changeset
499 for (size_t i = 0; i < tokens.size(); i++)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
500 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
501 if (boost::starts_with(tokens[i], option + "="))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 value = tokens[i];
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504 return true;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
505 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
506 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
507
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
508 return false;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
509 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
510
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
511
338
79e21c33962d cppcheck
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parents: 329
diff changeset
512 void CheckMSSQLEncodings(const OdbcDatabase& db)
329
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
513 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
514 // https://en.wikipedia.org/wiki/History_of_Microsoft_SQL_Server
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515 if (db.GetDbmsMajorVersion() <= 14)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
516 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
517 // Microsoft SQL Server up to 2017
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
518
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
520 if (LookupConnectionOption(value, "AutoTranslate"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
521 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
522 if (value != "AutoTranslate=no")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
523 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
524 LOG(WARNING) << "For UTF-8 to work properly, it is strongly advised to set \"AutoTranslate=no\" in the "
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
525 << "ODBC connection string when connecting to Microsoft SQL Server with version <= 2017";
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
526 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
527 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
528 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
529 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
531 "Your Microsoft SQL Server has version <= 2017, and thus doesn't support UTF-8; "
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
532 "Please upgrade or add \"AutoTranslate=no\" to your ODBC connection string");
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
533 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
534 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
535 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
536 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
537 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
538 if (LookupConnectionOption(value, "AutoTranslate") &&
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
539 value != "AutoTranslate=yes")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
540 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
541 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
542 "Your Microsoft SQL Server has version >= 2019, and thus fully supports UTF-8; "
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 "Please set \"AutoTranslate=yes\" in your ODBC connection string");
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
544 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
545 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
546 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
547
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548
338
79e21c33962d cppcheck
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parents: 329
diff changeset
549 void CheckMySQLEncodings(const OdbcDatabase& db)
329
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
550 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
551 // https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-configuration-connection-parameters.html
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
552
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
553 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554 if (LookupConnectionOption(value, "charset"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
555 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
556 if (value != "charset=utf8")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
557 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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parents:
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559 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL "
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parents:
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560 "must *not* set the \"charset\" option to another value than \"utf8\"");
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parents:
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561 }
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Sebastien Jodogne <s.jodogne@gmail.com>
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562 }
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563 else if (db.GetDbmsMajorVersion() < 8)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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564 {
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parents:
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565 // MySQL up to 5.7
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parents:
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566 LOG(WARNING) << "It is advised to set the \"charset=utf8\" option in your connection string if using MySQL <= 5.7";
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567 }
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Sebastien Jodogne <s.jodogne@gmail.com>
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568 else
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Sebastien Jodogne <s.jodogne@gmail.com>
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569 {
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570 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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571 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL >= 8.0 "
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572 "*must* set the \"charset=utf8\" in your connection string");
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diff changeset
573 }
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Sebastien Jodogne <s.jodogne@gmail.com>
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574 }
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Sebastien Jodogne <s.jodogne@gmail.com>
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575
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576
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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577 protected:
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parents:
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578 IDatabase* TryOpen()
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parents:
diff changeset
579 {
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580 std::unique_ptr<OdbcDatabase> db(new OdbcDatabase(environment_, connectionString_));
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parents:
diff changeset
581
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582 if (checkEncodings_)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
583 {
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parents:
diff changeset
584 switch (db->GetDialect())
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parents:
diff changeset
585 {
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parents:
diff changeset
586 case Dialect_MSSQL:
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parents:
diff changeset
587 CheckMSSQLEncodings(*db);
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parents:
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588 break;
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parents:
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589
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590 case Dialect_MySQL:
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591 CheckMySQLEncodings(*db);
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parents:
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592 break;
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593
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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594 case Dialect_SQLite:
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parents:
diff changeset
595 case Dialect_PostgreSQL:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
596 // Nothing specific to be checked wrt. encodings
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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597 break;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
598
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
599 default:
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parents:
diff changeset
600 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
601 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
602 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
603
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parents:
diff changeset
604 if (db->GetDbmsMajorVersion() >= 15)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
605 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
606 /**
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
607 * SQL Server 2019 introduces support for UTF-8. Note that
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parents:
diff changeset
608 * "ALTER" cannot be run inside a transaction, and must be
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parents:
diff changeset
609 * done *before* the creation of the tables.
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parents:
diff changeset
610 * https://docs.microsoft.com/en-US/sql/relational-databases/collations/collation-and-unicode-support#utf8
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
611 *
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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612 * Furthermore, this call must be done by both
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
613 * "odbc-index" and "odbc-storage" plugins, because
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
614 * altering collation is an operation that requires
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
615 * exclusive lock: If "odbc-storage" is the first plugin
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
616 * to be loaded and doesn't set the UTF-8 collation,
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parents:
diff changeset
617 * "odbc-index" cannot start because it doesn't have
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parents:
diff changeset
618 * exclusive access.
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parents:
diff changeset
619 **/
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diff changeset
620 db->ExecuteMultiLines("ALTER DATABASE CURRENT COLLATE LATIN1_GENERAL_100_CI_AS_SC_UTF8");
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parents:
diff changeset
621 }
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parents:
diff changeset
622
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
623 return db.release();
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parents:
diff changeset
624 }
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parents:
diff changeset
625
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
626 public:
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
627 Factory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
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628 unsigned int connectionRetryInterval,
b5fb8b77ce4d initial commit of ODBC framework
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629 const std::string& connectionString,
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diff changeset
630 bool checkEncodings) :
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diff changeset
631 RetryDatabaseFactory(maxConnectionRetries, connectionRetryInterval),
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diff changeset
632 connectionString_(connectionString),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
633 checkEncodings_(checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
634 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
635 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
636 };
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
637
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parents:
diff changeset
638 return new Factory(maxConnectionRetries, connectionRetryInterval, connectionString, checkEncodings);
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parents:
diff changeset
639 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
640 }