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annotate Framework/Odbc/OdbcDatabase.cpp @ 359:16aac0287485

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 21 Feb 2022 09:32:46 +0100
parents d543832987da
children 3d6886f3e5b3
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Affero General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "OdbcDatabase.h"
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24
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25 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" // For ORTHANC_PLUGINS_VERSION_IS_ABOVE
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26 #include "../Common/ImplicitTransaction.h"
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27 #include "../Common/RetryDatabaseFactory.h"
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28 #include "../Common/Utf8StringValue.h"
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29 #include "OdbcPreparedStatement.h"
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30 #include "OdbcResult.h"
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31
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32 #include <Logging.h>
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33 #include <OrthancException.h>
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34 #include <Toolbox.h>
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35
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36 #include <boost/algorithm/string/predicate.hpp>
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37 #include <sqlext.h>
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40 namespace OrthancDatabases
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41 {
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42 static void SetAutoCommitTransaction(SQLHDBC handle,
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43 bool autocommit)
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44 {
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45 // Go to autocommit mode
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46 SQLPOINTER value = (SQLPOINTER) (autocommit ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
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47
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48 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle, SQL_ATTR_AUTOCOMMIT, value, SQL_IS_UINTEGER)))
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49 {
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50 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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51 "Cannot switch the autocommit mode");
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52 }
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53 }
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56 class OdbcDatabase::OdbcImplicitTransaction : public ImplicitTransaction
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57 {
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58 private:
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59 OdbcDatabase& db_;
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60
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61 protected:
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62 virtual IResult* ExecuteInternal(IPrecompiledStatement& statement,
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63 const Dictionary& parameters) ORTHANC_OVERRIDE
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64 {
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65 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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66 }
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67
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68 virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement,
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69 const Dictionary& parameters) ORTHANC_OVERRIDE
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70 {
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71 std::unique_ptr<IResult> result(Execute(statement, parameters));
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72 }
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73
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74 public:
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75 explicit OdbcImplicitTransaction(OdbcDatabase& db) :
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76 db_(db)
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77 {
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78 SetAutoCommitTransaction(db_.GetHandle(), true);
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79 }
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80
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81 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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82 {
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83 return db_.DoesTableExist(name.c_str());
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84 }
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85
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86 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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87 {
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88 return false;
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89 }
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90
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91 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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92 {
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93 db_.ExecuteMultiLines(query);
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94 }
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95 };
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96
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97
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98 class OdbcDatabase::OdbcExplicitTransaction : public ITransaction
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99 {
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100 private:
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101 OdbcDatabase& db_;
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102 bool isOpen_;
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103
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104 void EndTransaction(SQLSMALLINT completionType)
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105 {
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106 if (!isOpen_)
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107 {
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108 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "Transaction is already finalized");
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109 }
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110 else if (SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), completionType)))
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111 {
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112 isOpen_ = false;
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113 }
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114 else
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115 {
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116 SQLCHAR stateBuf[SQL_SQLSTATE_SIZE + 1];
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117 SQLSMALLINT stateLength = 0;
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118
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119 const SQLSMALLINT recNum = 1;
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120
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121 if (SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_DBC, db_.GetHandle(),
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122 recNum, SQL_DIAG_SQLSTATE, &stateBuf, sizeof(stateBuf), &stateLength)))
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123 {
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124 const std::string state(reinterpret_cast<const char*>(stateBuf));
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125
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126 if (state == "40001")
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127 {
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128 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 2)
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129 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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130 #else
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131 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Collision between multiple writers");
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132 #endif
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133 }
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134 }
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135
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136 switch (completionType)
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137 {
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138 case SQL_COMMIT:
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139 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot commit transaction");
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140
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141 case SQL_ROLLBACK:
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142 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot rollback transaction");
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143
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144 default:
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145 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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146 }
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147 }
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148 }
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149
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150 public:
338
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151 explicit OdbcExplicitTransaction(OdbcDatabase& db) :
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152 db_(db),
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153 isOpen_(true)
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154 {
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155 SetAutoCommitTransaction(db_.GetHandle(), false);
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156 }
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157
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158 virtual ~OdbcExplicitTransaction()
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159 {
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160 if (isOpen_)
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161 {
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162 LOG(INFO) << "An active ODBC transaction was dismissed";
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163 if (!SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), SQL_ROLLBACK)))
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164 {
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165 LOG(ERROR) << "Cannot rollback transaction";
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166 }
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167 }
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168 }
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169
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170 virtual bool IsImplicit() const ORTHANC_OVERRIDE
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171 {
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172 return false;
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173 }
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174
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175 virtual void Commit() ORTHANC_OVERRIDE
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176 {
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177 EndTransaction(SQL_COMMIT);
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178 }
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179
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180 virtual void Rollback() ORTHANC_OVERRIDE
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181 {
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182 EndTransaction(SQL_ROLLBACK);
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183 }
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184
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185 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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186 {
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187 return db_.DoesTableExist(name.c_str());
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188 }
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189
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190 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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191 {
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192 return false;
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193 }
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194
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195 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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196 {
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197 db_.ExecuteMultiLines(query);
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198 }
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199
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200 virtual IResult* Execute(IPrecompiledStatement& statement,
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201 const Dictionary& parameters) ORTHANC_OVERRIDE
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202 {
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203 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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204 }
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205
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206 virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
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207 const Dictionary& parameters) ORTHANC_OVERRIDE
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208 {
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209 std::unique_ptr<IResult> result(Execute(statement, parameters));
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210 }
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211 };
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212
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213
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214 static bool ParseThreePartsVersion(unsigned int& majorVersion,
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215 const std::string& version)
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216 {
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217 std::vector<std::string> tokens;
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218 Orthanc::Toolbox::TokenizeString(tokens, version, '.');
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219
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220 try
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221 {
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222 if (tokens.size() == 3u)
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223 {
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224 int tmp = boost::lexical_cast<int>(tokens[0]);
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225 if (tmp >= 0)
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226 {
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227 majorVersion = static_cast<unsigned int>(tmp);
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228 return true;
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229 }
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230 }
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231 }
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232 catch (boost::bad_lexical_cast&)
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233 {
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234 }
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235
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236 return false;
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237 }
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238
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239
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240 OdbcDatabase::OdbcDatabase(OdbcEnvironment& environment,
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241 const std::string& connectionString) :
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242 dbmsMajorVersion_(0)
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243 {
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244 LOG(INFO) << "Creating an ODBC connection: " << connectionString;
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245
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246 /* Allocate a connection handle */
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247 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_DBC, environment.GetHandle(), &handle_)))
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248 {
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249 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable,
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250 "Cannot create ODBC connection");
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251 }
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252
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253 /* Connect to the DSN mydsn */
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254 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(connectionString.c_str()));
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255 SQLCHAR outBuffer[2048];
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256 SQLSMALLINT outSize = 0;
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257
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258 bool success = true;
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259
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260 if (SQL_SUCCEEDED(SQLDriverConnect(handle_, NULL, tmp, SQL_NTS /* null-terminated string */,
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261 outBuffer, sizeof(outBuffer), &outSize, SQL_DRIVER_COMPLETE)))
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262 {
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263 LOG(INFO) << "Returned connection string: " << outBuffer;
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264 }
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265 else
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266 {
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267 success = false;
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268 }
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269
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270 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle_, SQL_ATTR_TXN_ISOLATION, (SQLPOINTER) SQL_TXN_SERIALIZABLE, SQL_NTS)))
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271 {
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272 /**
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273 * Switch to the "serializable" isolation level that is expected
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274 * by Orthanc. This is already the default for MySQL and MSSQL,
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275 * but is needed for PostgreSQL.
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276 * https://docs.microsoft.com/en-us/sql/odbc/reference/develop-app/transaction-isolation-levels
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277 **/
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278 success = false;
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279 }
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280
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281 SQLCHAR versionBuffer[2048];
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282 SQLSMALLINT versionSize;
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diff changeset
283
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284 if (success &&
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285 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_NAME, outBuffer, sizeof(outBuffer) - 1, &outSize)) &&
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286 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_VER, versionBuffer, sizeof(versionBuffer) - 1, &versionSize)))
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287 {
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288 std::string dbms(reinterpret_cast<const char*>(outBuffer), outSize);
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289 std::string version(reinterpret_cast<const char*>(versionBuffer), versionSize);
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290
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291 LOG(WARNING) << "DBMS Name: " << dbms;
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292 LOG(WARNING) << "DBMS Version: " << version;
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293
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294 if (dbms == "PostgreSQL")
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295 {
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296 dialect_ = Dialect_PostgreSQL;
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297 }
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298 else if (dbms == "SQLite")
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299 {
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300 dialect_ = Dialect_SQLite;
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301 ExecuteMultiLines("PRAGMA FOREIGN_KEYS=ON"); // Necessary for cascaded delete to work
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302 ExecuteMultiLines("PRAGMA ENCODING=\"UTF-8\"");
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303
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304 // The following lines speed up SQLite
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305
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306 /*ExecuteMultiLines("PRAGMA SYNCHRONOUS=NORMAL;");
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307 ExecuteMultiLines("PRAGMA JOURNAL_MODE=WAL;");
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308 ExecuteMultiLines("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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309 ExecuteMultiLines("PRAGMA WAL_AUTOCHECKPOINT=1000;");*/
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310 }
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311 else if (dbms == "MySQL")
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312 {
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313 dialect_ = Dialect_MySQL;
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314
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315 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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316 {
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317 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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318 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of MySQL: " + version);
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319 }
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320 }
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321 else if (dbms == "Microsoft SQL Server")
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322 {
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323 dialect_ = Dialect_MSSQL;
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324
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325 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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326 {
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327 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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328 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of SQL Server: " + version);
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329 }
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330 }
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331 else
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332 {
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333 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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334 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Unknown SQL dialect for DBMS: " + dbms);
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335 }
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336 }
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337 else
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338 {
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339 success = false;
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340 }
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341
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342 if (!success)
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343 {
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344 std::string error = FormatError();
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345 SQLFreeHandle(SQL_HANDLE_DBC, handle_); // Cannot call FormatError() below this point
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diff changeset
346
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347 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable, "Error in SQLDriverConnect():\n" + error);
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diff changeset
348 }
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diff changeset
349 }
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diff changeset
350
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351
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352 OdbcDatabase::~OdbcDatabase()
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353 {
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diff changeset
354 LOG(INFO) << "Destructing an ODBC connection";
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diff changeset
355
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diff changeset
356 if (!SQL_SUCCEEDED(SQLDisconnect(handle_)))
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diff changeset
357 {
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diff changeset
358 LOG(ERROR) << "Cannot disconnect from driver";
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diff changeset
359 }
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parents:
diff changeset
360
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diff changeset
361 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_DBC, handle_)))
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parents:
diff changeset
362 {
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diff changeset
363 LOG(ERROR) << "Cannot destruct the ODBC connection";
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diff changeset
364 }
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
365 }
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parents:
diff changeset
366
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parents:
diff changeset
367
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diff changeset
368 std::string OdbcDatabase::FormatError()
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diff changeset
369 {
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diff changeset
370 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_DBC);
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diff changeset
371 }
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parents:
diff changeset
372
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parents:
diff changeset
373
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diff changeset
374 void OdbcDatabase::ListTables(std::set<std::string>& target)
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diff changeset
375 {
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diff changeset
376 target.clear();
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parents:
diff changeset
377
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diff changeset
378 OdbcStatement statement(GetHandle());
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diff changeset
379
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diff changeset
380 if (SQL_SUCCEEDED(SQLTables(statement.GetHandle(), NULL, 0, NULL, 0, NULL, 0,
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diff changeset
381 const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>("'TABLE'")), SQL_NTS)))
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diff changeset
382 {
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diff changeset
383 OdbcResult result(statement, dialect_);
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diff changeset
384
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diff changeset
385 while (!result.IsDone())
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parents:
diff changeset
386 {
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diff changeset
387 if (result.GetFieldsCount() < 5)
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diff changeset
388 {
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diff changeset
389 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Invalid result for SQLTables()");
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parents:
diff changeset
390 }
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parents:
diff changeset
391 else
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parents:
diff changeset
392 {
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diff changeset
393 if (result.GetField(2).GetType() == ValueType_Utf8String &&
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diff changeset
394 result.GetField(3).GetType() == ValueType_Utf8String &&
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diff changeset
395 dynamic_cast<const Utf8StringValue&>(result.GetField(3)).GetContent() == "TABLE")
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diff changeset
396 {
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diff changeset
397 std::string name = dynamic_cast<const Utf8StringValue&>(result.GetField(2)).GetContent();
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diff changeset
398 Orthanc::Toolbox::ToLowerCase(name);
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diff changeset
399 target.insert(name);
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parents:
diff changeset
400 }
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parents:
diff changeset
401 }
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parents:
diff changeset
402
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parents:
diff changeset
403 result.Next();
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parents:
diff changeset
404 }
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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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parents:
diff changeset
408
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diff changeset
409 bool OdbcDatabase::DoesTableExist(const std::string& name)
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diff changeset
410 {
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diff changeset
411 std::set<std::string> tables;
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diff changeset
412 ListTables(tables);
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diff changeset
413 return (tables.find(name) != tables.end());
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parents:
diff changeset
414 }
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parents:
diff changeset
415
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parents:
diff changeset
416
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parents:
diff changeset
417 void OdbcDatabase::ExecuteMultiLines(const std::string& query)
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418 {
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diff changeset
419 OdbcStatement statement(GetHandle());
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parents:
diff changeset
420
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
421 std::vector<std::string> lines;
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
422 Orthanc::Toolbox::TokenizeString(lines, query, ';');
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parents:
diff changeset
423
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diff changeset
424 for (size_t i = 0; i < lines.size(); i++)
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diff changeset
425 {
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diff changeset
426 std::string line = Orthanc::Toolbox::StripSpaces(lines[i]);
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
427 if (!line.empty())
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diff changeset
428 {
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diff changeset
429 LOG(INFO) << "Running ODBC SQL: " << line;
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430 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(line.c_str()));
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diff changeset
431
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432 SQLRETURN code = SQLExecDirect(statement.GetHandle(), tmp, SQL_NTS);
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diff changeset
433
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diff changeset
434 if (code != SQL_NO_DATA &&
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
435 code != SQL_SUCCESS &&
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
436 code != SQL_SUCCESS_WITH_INFO)
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
437 {
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438 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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diff changeset
439 "Cannot execute multi-line SQL:\n" + statement.FormatError());
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
440 }
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parents:
diff changeset
441 }
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parents:
diff changeset
442 }
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parents:
diff changeset
443 }
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parents:
diff changeset
444
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diff changeset
445
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diff changeset
446 IPrecompiledStatement* OdbcDatabase::Compile(const Query& query)
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447 {
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448 return new OdbcPreparedStatement(GetHandle(), GetDialect(), query);
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diff changeset
449 }
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parents:
diff changeset
450
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diff changeset
451
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diff changeset
452 ITransaction* OdbcDatabase::CreateTransaction(TransactionType type)
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diff changeset
453 {
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454 /**
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455 * In ODBC, there is no "START TRANSACTION". A transaction is
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456 * automatically created with each connection, and the "READ
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diff changeset
457 * ONLY" status can only be set at the statement level
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diff changeset
458 * (cf. SQL_CONCUR_READ_ONLY). One can only control the
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parents:
diff changeset
459 * autocommit: https://stackoverflow.com/a/35351267/881731
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parents:
diff changeset
460 **/
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parents:
diff changeset
461 switch (type)
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parents:
diff changeset
462 {
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diff changeset
463 case TransactionType_Implicit:
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464 return new OdbcImplicitTransaction(*this);
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parents:
diff changeset
465
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diff changeset
466 case TransactionType_ReadWrite:
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diff changeset
467 case TransactionType_ReadOnly:
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diff changeset
468 return new OdbcExplicitTransaction(*this);
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parents:
diff changeset
469
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
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470 default:
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diff changeset
471 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
472 }
b5fb8b77ce4d initial commit of ODBC framework
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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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
475
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 unsigned int OdbcDatabase::GetDbmsMajorVersion() const
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parents:
diff changeset
477 {
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diff changeset
478 return dbmsMajorVersion_;
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parents:
diff changeset
479 }
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parents:
diff changeset
480
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parents:
diff changeset
481
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diff changeset
482 IDatabaseFactory* OdbcDatabase::CreateDatabaseFactory(unsigned int maxConnectionRetries,
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parents:
diff changeset
483 unsigned int connectionRetryInterval,
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diff changeset
484 const std::string& connectionString,
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parents:
diff changeset
485 bool checkEncodings)
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parents:
diff changeset
486 {
b5fb8b77ce4d initial commit of ODBC framework
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487 class Factory : public RetryDatabaseFactory
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parents:
diff changeset
488 {
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diff changeset
489 private:
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490 OdbcEnvironment environment_;
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
491 std::string connectionString_;
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
492 bool checkEncodings_;
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
493
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
494 bool LookupConnectionOption(std::string& value,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
495 const std::string& option) const
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
496 {
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parents:
diff changeset
497 std::vector<std::string> tokens;
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
498 Orthanc::Toolbox::TokenizeString(tokens, connectionString_, ';');
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499
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parents:
diff changeset
500 for (size_t i = 0; i < tokens.size(); i++)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
501 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502 if (boost::starts_with(tokens[i], option + "="))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504 value = tokens[i];
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
505 return true;
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
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
509 return false;
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
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
512
338
79e21c33962d cppcheck
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parents: 329
diff changeset
513 void CheckMSSQLEncodings(const OdbcDatabase& db)
329
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
514 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515 // 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
516 if (db.GetDbmsMajorVersion() <= 14)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
517 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
518 // Microsoft SQL Server up to 2017
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
520 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
521 if (LookupConnectionOption(value, "AutoTranslate"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
522 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
523 if (value != "AutoTranslate=no")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
524 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
525 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
526 << "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
527 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
528 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
529 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
531 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
532 "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
533 "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
534 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
535 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
536 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
537 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
538 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
539 if (LookupConnectionOption(value, "AutoTranslate") &&
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
540 value != "AutoTranslate=yes")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
541 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
542 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 "Your Microsoft SQL Server has version >= 2019, and thus fully supports UTF-8; "
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
544 "Please set \"AutoTranslate=yes\" in your ODBC connection string");
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
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
549
338
79e21c33962d cppcheck
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parents: 329
diff changeset
550 void CheckMySQLEncodings(const OdbcDatabase& db)
329
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
551 {
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parents:
diff changeset
552 // 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
553
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
555 if (LookupConnectionOption(value, "charset"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
556 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
557 if (value != "charset=utf8")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
559 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
560 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL "
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
561 "must *not* set the \"charset\" option to another value than \"utf8\"");
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
562 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
563 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
564 else if (db.GetDbmsMajorVersion() < 8)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
565 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
566 // MySQL up to 5.7
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
567 LOG(WARNING) << "It is advised to set the \"charset=utf8\" option in your connection string if using MySQL <= 5.7";
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
568 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
569 else
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
570 {
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parents:
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571 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL >= 8.0 "
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
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573 "*must* set the \"charset=utf8\" in your connection string");
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
574 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
575 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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576
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 protected:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579 IDatabase* TryOpen()
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parents:
diff changeset
580 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
581 std::unique_ptr<OdbcDatabase> db(new OdbcDatabase(environment_, connectionString_));
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
582
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
583 if (checkEncodings_)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
584 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
585 switch (db->GetDialect())
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
586 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
587 case Dialect_MSSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
588 CheckMSSQLEncodings(*db);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
589 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
590
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
591 case Dialect_MySQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
592 CheckMySQLEncodings(*db);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
593 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
594
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
595 case Dialect_SQLite:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
596 case Dialect_PostgreSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
597 // Nothing specific to be checked wrt. encodings
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
598 break;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
599
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
600 default:
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
601 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
602 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
603 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
604
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
605 if (db->GetDbmsMajorVersion() >= 15)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
606 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
607 /**
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
608 * SQL Server 2019 introduces support for UTF-8. Note that
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
609 * "ALTER" cannot be run inside a transaction, and must be
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
610 * done *before* the creation of the tables.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
611 * 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
612 *
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
613 * Furthermore, this call must be done by both
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
614 * "odbc-index" and "odbc-storage" plugins, because
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
615 * altering collation is an operation that requires
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
616 * exclusive lock: If "odbc-storage" is the first plugin
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
617 * to be loaded and doesn't set the UTF-8 collation,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
618 * "odbc-index" cannot start because it doesn't have
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
619 * exclusive access.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
620 **/
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
621 db->ExecuteMultiLines("ALTER DATABASE CURRENT COLLATE LATIN1_GENERAL_100_CI_AS_SC_UTF8");
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
622 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
623
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
624 return db.release();
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
625 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
626
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
627 public:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
628 Factory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
629 unsigned int connectionRetryInterval,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
630 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
631 bool checkEncodings) :
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
632 RetryDatabaseFactory(maxConnectionRetries, connectionRetryInterval),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
633 connectionString_(connectionString),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
634 checkEncodings_(checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
635 {
b5fb8b77ce4d initial commit of ODBC framework
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 };
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
638
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
639 return new Factory(maxConnectionRetries, connectionRetryInterval, connectionString, checkEncodings);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
640 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
641 }