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annotate Framework/Odbc/OdbcDatabase.cpp @ 338:79e21c33962d

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 11 Aug 2021 14:09:43 +0200
parents b5fb8b77ce4d
children d543832987da
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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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20
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21
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22 #include "OdbcDatabase.h"
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23
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24 #include "../Common/ImplicitTransaction.h"
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25 #include "../Common/RetryDatabaseFactory.h"
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26 #include "../Common/Utf8StringValue.h"
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27 #include "OdbcPreparedStatement.h"
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28 #include "OdbcResult.h"
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29
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30 #include <Logging.h>
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31 #include <OrthancException.h>
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32 #include <Toolbox.h>
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33
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34 #include <boost/algorithm/string/predicate.hpp>
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35 #include <sqlext.h>
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36
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38 namespace OrthancDatabases
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39 {
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40 static void SetAutoCommitTransaction(SQLHDBC handle,
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41 bool autocommit)
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42 {
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43 // Go to autocommit mode
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44 SQLPOINTER value = (SQLPOINTER) (autocommit ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
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45
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46 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle, SQL_ATTR_AUTOCOMMIT, value, SQL_IS_UINTEGER)))
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47 {
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48 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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49 "Cannot switch the autocommit mode");
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50 }
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51 }
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52
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53
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54 class OdbcDatabase::OdbcImplicitTransaction : public ImplicitTransaction
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55 {
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56 private:
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57 OdbcDatabase& db_;
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58
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59 protected:
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60 virtual IResult* ExecuteInternal(IPrecompiledStatement& statement,
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61 const Dictionary& parameters) ORTHANC_OVERRIDE
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62 {
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63 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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64 }
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65
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66 virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement,
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67 const Dictionary& parameters) ORTHANC_OVERRIDE
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68 {
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69 std::unique_ptr<IResult> result(Execute(statement, parameters));
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70 }
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71
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72 public:
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73 explicit OdbcImplicitTransaction(OdbcDatabase& db) :
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74 db_(db)
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75 {
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76 SetAutoCommitTransaction(db_.GetHandle(), true);
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77 }
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78
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79 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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80 {
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81 return db_.DoesTableExist(name.c_str());
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82 }
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83
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84 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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85 {
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86 return false;
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87 }
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88
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89 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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90 {
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91 db_.ExecuteMultiLines(query);
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92 }
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93 };
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94
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95
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96 class OdbcDatabase::OdbcExplicitTransaction : public ITransaction
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97 {
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98 private:
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99 OdbcDatabase& db_;
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100 bool isOpen_;
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101
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102 void EndTransaction(SQLSMALLINT completionType)
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103 {
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104 if (!isOpen_)
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105 {
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "Transaction is already finalized");
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107 }
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108 else if (SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), completionType)))
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109 {
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110 isOpen_ = false;
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111 }
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112 else
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113 {
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114 SQLCHAR stateBuf[SQL_SQLSTATE_SIZE + 1];
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115 SQLSMALLINT stateLength = 0;
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116
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117 const SQLSMALLINT recNum = 1;
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118
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119 if (SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_DBC, db_.GetHandle(),
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120 recNum, SQL_DIAG_SQLSTATE, &stateBuf, sizeof(stateBuf), &stateLength)))
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121 {
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122 const std::string state(reinterpret_cast<const char*>(stateBuf));
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123
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124 if (state == "40001")
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125 {
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126 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 2)
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127 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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128 #else
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129 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Collision between multiple writers");
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130 #endif
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131 }
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132 }
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133
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134 switch (completionType)
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135 {
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136 case SQL_COMMIT:
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137 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot commit transaction");
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138
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139 case SQL_ROLLBACK:
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140 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot rollback transaction");
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141
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142 default:
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143 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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144 }
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145 }
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146 }
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147
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148 public:
338
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149 explicit OdbcExplicitTransaction(OdbcDatabase& db) :
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150 db_(db),
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151 isOpen_(true)
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152 {
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153 SetAutoCommitTransaction(db_.GetHandle(), false);
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154 }
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155
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156 virtual ~OdbcExplicitTransaction()
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157 {
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158 if (isOpen_)
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159 {
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160 LOG(INFO) << "An active ODBC transaction was dismissed";
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161 if (!SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), SQL_ROLLBACK)))
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162 {
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163 LOG(ERROR) << "Cannot rollback transaction";
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164 }
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165 }
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166 }
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167
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168 virtual bool IsImplicit() const ORTHANC_OVERRIDE
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169 {
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170 return false;
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171 }
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172
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173 virtual void Commit() ORTHANC_OVERRIDE
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174 {
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175 EndTransaction(SQL_COMMIT);
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176 }
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177
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178 virtual void Rollback() ORTHANC_OVERRIDE
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179 {
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180 EndTransaction(SQL_ROLLBACK);
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181 }
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182
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183 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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184 {
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185 return db_.DoesTableExist(name.c_str());
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186 }
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187
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188 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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189 {
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190 return false;
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191 }
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192
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193 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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194 {
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195 db_.ExecuteMultiLines(query);
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196 }
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197
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198 virtual IResult* Execute(IPrecompiledStatement& statement,
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199 const Dictionary& parameters) ORTHANC_OVERRIDE
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200 {
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201 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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202 }
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203
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204 virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
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205 const Dictionary& parameters) ORTHANC_OVERRIDE
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206 {
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207 std::unique_ptr<IResult> result(Execute(statement, parameters));
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208 }
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209 };
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210
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211
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212 static bool ParseThreePartsVersion(unsigned int& majorVersion,
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213 const std::string& version)
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214 {
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215 std::vector<std::string> tokens;
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216 Orthanc::Toolbox::TokenizeString(tokens, version, '.');
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217
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218 try
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219 {
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220 if (tokens.size() == 3u)
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221 {
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222 int tmp = boost::lexical_cast<int>(tokens[0]);
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223 if (tmp >= 0)
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224 {
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225 majorVersion = static_cast<unsigned int>(tmp);
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226 return true;
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227 }
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228 }
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229 }
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230 catch (boost::bad_lexical_cast&)
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231 {
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232 }
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233
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234 return false;
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235 }
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236
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237
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238 OdbcDatabase::OdbcDatabase(OdbcEnvironment& environment,
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239 const std::string& connectionString) :
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240 dbmsMajorVersion_(0)
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241 {
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242 LOG(INFO) << "Creating an ODBC connection: " << connectionString;
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243
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244 /* Allocate a connection handle */
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245 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_DBC, environment.GetHandle(), &handle_)))
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246 {
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247 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable,
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248 "Cannot create ODBC connection");
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249 }
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250
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251 /* Connect to the DSN mydsn */
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252 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(connectionString.c_str()));
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253 SQLCHAR outBuffer[2048];
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254 SQLSMALLINT outSize = 0;
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255
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256 bool success = true;
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257
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258 if (SQL_SUCCEEDED(SQLDriverConnect(handle_, NULL, tmp, SQL_NTS /* null-terminated string */,
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259 outBuffer, sizeof(outBuffer), &outSize, SQL_DRIVER_COMPLETE)))
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260 {
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261 LOG(INFO) << "Returned connection string: " << outBuffer;
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262 }
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263 else
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264 {
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265 success = false;
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266 }
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267
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268 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle_, SQL_ATTR_TXN_ISOLATION, (SQLPOINTER) SQL_TXN_SERIALIZABLE, SQL_NTS)))
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269 {
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270 /**
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271 * Switch to the "serializable" isolation level that is expected
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272 * by Orthanc. This is already the default for MySQL and MSSQL,
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273 * but is needed for PostgreSQL.
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274 * https://docs.microsoft.com/en-us/sql/odbc/reference/develop-app/transaction-isolation-levels
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275 **/
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276 success = false;
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277 }
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278
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diff changeset
279 SQLCHAR versionBuffer[2048];
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280 SQLSMALLINT versionSize;
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281
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282 if (success &&
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283 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_NAME, outBuffer, sizeof(outBuffer) - 1, &outSize)) &&
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284 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_VER, versionBuffer, sizeof(versionBuffer) - 1, &versionSize)))
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285 {
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286 std::string dbms(reinterpret_cast<const char*>(outBuffer), outSize);
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287 std::string version(reinterpret_cast<const char*>(versionBuffer), versionSize);
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288
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289 LOG(WARNING) << "DBMS Name: " << dbms;
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290 LOG(WARNING) << "DBMS Version: " << version;
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291
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292 if (dbms == "PostgreSQL")
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293 {
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294 dialect_ = Dialect_PostgreSQL;
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295 }
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296 else if (dbms == "SQLite")
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297 {
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298 dialect_ = Dialect_SQLite;
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299 ExecuteMultiLines("PRAGMA FOREIGN_KEYS=ON"); // Necessary for cascaded delete to work
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300 ExecuteMultiLines("PRAGMA ENCODING=\"UTF-8\"");
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301
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302 // The following lines speed up SQLite
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303
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304 /*ExecuteMultiLines("PRAGMA SYNCHRONOUS=NORMAL;");
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305 ExecuteMultiLines("PRAGMA JOURNAL_MODE=WAL;");
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306 ExecuteMultiLines("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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307 ExecuteMultiLines("PRAGMA WAL_AUTOCHECKPOINT=1000;");*/
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308 }
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309 else if (dbms == "MySQL")
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310 {
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311 dialect_ = Dialect_MySQL;
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312
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313 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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314 {
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315 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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316 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of MySQL: " + version);
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317 }
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318 }
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319 else if (dbms == "Microsoft SQL Server")
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320 {
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321 dialect_ = Dialect_MSSQL;
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322
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323 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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324 {
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325 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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326 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of SQL Server: " + version);
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327 }
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328 }
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329 else
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330 {
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331 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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332 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Unknown SQL dialect for DBMS: " + dbms);
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333 }
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334 }
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335 else
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336 {
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337 success = false;
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338 }
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339
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340 if (!success)
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341 {
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342 std::string error = FormatError();
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343 SQLFreeHandle(SQL_HANDLE_DBC, handle_); // Cannot call FormatError() below this point
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344
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345 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable, "Error in SQLDriverConnect():\n" + error);
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diff changeset
346 }
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diff changeset
347 }
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diff changeset
348
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349
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350 OdbcDatabase::~OdbcDatabase()
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351 {
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diff changeset
352 LOG(INFO) << "Destructing an ODBC connection";
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353
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diff changeset
354 if (!SQL_SUCCEEDED(SQLDisconnect(handle_)))
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diff changeset
355 {
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diff changeset
356 LOG(ERROR) << "Cannot disconnect from driver";
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diff changeset
357 }
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diff changeset
358
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diff changeset
359 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_DBC, handle_)))
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diff changeset
360 {
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diff changeset
361 LOG(ERROR) << "Cannot destruct the ODBC connection";
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diff changeset
362 }
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parents:
diff changeset
363 }
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parents:
diff changeset
364
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diff changeset
365
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diff changeset
366 std::string OdbcDatabase::FormatError()
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diff changeset
367 {
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diff changeset
368 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_DBC);
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diff changeset
369 }
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parents:
diff changeset
370
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diff changeset
371
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diff changeset
372 void OdbcDatabase::ListTables(std::set<std::string>& target)
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diff changeset
373 {
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diff changeset
374 target.clear();
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diff changeset
375
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diff changeset
376 OdbcStatement statement(GetHandle());
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diff changeset
377
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diff changeset
378 if (SQL_SUCCEEDED(SQLTables(statement.GetHandle(), NULL, 0, NULL, 0, NULL, 0,
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diff changeset
379 const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>("'TABLE'")), SQL_NTS)))
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diff changeset
380 {
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diff changeset
381 OdbcResult result(statement, dialect_);
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diff changeset
382
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diff changeset
383 while (!result.IsDone())
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parents:
diff changeset
384 {
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diff changeset
385 if (result.GetFieldsCount() < 5)
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parents:
diff changeset
386 {
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diff changeset
387 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Invalid result for SQLTables()");
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parents:
diff changeset
388 }
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parents:
diff changeset
389 else
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parents:
diff changeset
390 {
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diff changeset
391 if (result.GetField(2).GetType() == ValueType_Utf8String &&
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diff changeset
392 result.GetField(3).GetType() == ValueType_Utf8String &&
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diff changeset
393 dynamic_cast<const Utf8StringValue&>(result.GetField(3)).GetContent() == "TABLE")
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diff changeset
394 {
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diff changeset
395 std::string name = dynamic_cast<const Utf8StringValue&>(result.GetField(2)).GetContent();
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diff changeset
396 Orthanc::Toolbox::ToLowerCase(name);
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diff changeset
397 target.insert(name);
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parents:
diff changeset
398 }
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parents:
diff changeset
399 }
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parents:
diff changeset
400
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parents:
diff changeset
401 result.Next();
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parents:
diff changeset
402 }
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parents:
diff changeset
403 }
b5fb8b77ce4d initial commit of ODBC framework
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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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diff changeset
407 bool OdbcDatabase::DoesTableExist(const std::string& name)
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diff changeset
408 {
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diff changeset
409 std::set<std::string> tables;
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diff changeset
410 ListTables(tables);
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diff changeset
411 return (tables.find(name) != tables.end());
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parents:
diff changeset
412 }
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parents:
diff changeset
413
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parents:
diff changeset
414
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diff changeset
415 void OdbcDatabase::ExecuteMultiLines(const std::string& query)
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diff changeset
416 {
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diff changeset
417 OdbcStatement statement(GetHandle());
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parents:
diff changeset
418
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diff changeset
419 std::vector<std::string> lines;
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
420 Orthanc::Toolbox::TokenizeString(lines, query, ';');
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parents:
diff changeset
421
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
422 for (size_t i = 0; i < lines.size(); i++)
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diff changeset
423 {
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diff changeset
424 std::string line = Orthanc::Toolbox::StripSpaces(lines[i]);
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diff changeset
425 if (!line.empty())
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parents:
diff changeset
426 {
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
427 LOG(INFO) << "Running ODBC SQL: " << line;
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diff changeset
428 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(line.c_str()));
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parents:
diff changeset
429
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430 SQLRETURN code = SQLExecDirect(statement.GetHandle(), tmp, SQL_NTS);
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parents:
diff changeset
431
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parents:
diff changeset
432 if (code != SQL_NO_DATA &&
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diff changeset
433 code != SQL_SUCCESS &&
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parents:
diff changeset
434 code != SQL_SUCCESS_WITH_INFO)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 {
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diff changeset
436 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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diff changeset
437 "Cannot execute multi-line SQL:\n" + statement.FormatError());
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
438 }
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
439 }
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parents:
diff changeset
440 }
b5fb8b77ce4d initial commit of ODBC framework
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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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diff changeset
444 IPrecompiledStatement* OdbcDatabase::Compile(const Query& query)
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parents:
diff changeset
445 {
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446 return new OdbcPreparedStatement(GetHandle(), GetDialect(), query);
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parents:
diff changeset
447 }
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
448
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parents:
diff changeset
449
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diff changeset
450 ITransaction* OdbcDatabase::CreateTransaction(TransactionType type)
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diff changeset
451 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 /**
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453 * In ODBC, there is no "START TRANSACTION". A transaction is
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454 * automatically created with each connection, and the "READ
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parents:
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455 * ONLY" status can only be set at the statement level
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parents:
diff changeset
456 * (cf. SQL_CONCUR_READ_ONLY). One can only control the
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457 * autocommit: https://stackoverflow.com/a/35351267/881731
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458 **/
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parents:
diff changeset
459 switch (type)
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parents:
diff changeset
460 {
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
461 case TransactionType_Implicit:
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462 return new OdbcImplicitTransaction(*this);
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diff changeset
463
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diff changeset
464 case TransactionType_ReadWrite:
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diff changeset
465 case TransactionType_ReadOnly:
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466 return new OdbcExplicitTransaction(*this);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
467
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
468 default:
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
469 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
472
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parents:
diff changeset
473
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parents:
diff changeset
474 unsigned int OdbcDatabase::GetDbmsMajorVersion() const
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parents:
diff changeset
475 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
476 return dbmsMajorVersion_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
479
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diff changeset
480 IDatabaseFactory* OdbcDatabase::CreateDatabaseFactory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
481 unsigned int connectionRetryInterval,
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diff changeset
482 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 bool checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
485 class Factory : public RetryDatabaseFactory
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 private:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488 OdbcEnvironment environment_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489 std::string connectionString_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 bool checkEncodings_;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492 bool LookupConnectionOption(std::string& value,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493 const std::string& option) const
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parents:
diff changeset
494 {
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parents:
diff changeset
495 std::vector<std::string> tokens;
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
496 Orthanc::Toolbox::TokenizeString(tokens, connectionString_, ';');
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497
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parents:
diff changeset
498 for (size_t i = 0; i < tokens.size(); i++)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
500 if (boost::starts_with(tokens[i], option + "="))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
501 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
502 value = tokens[i];
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 return true;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504 }
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 return false;
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
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
510
338
79e21c33962d cppcheck
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parents: 329
diff changeset
511 void CheckMSSQLEncodings(const OdbcDatabase& db)
329
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
512 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
513 // 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
514 if (db.GetDbmsMajorVersion() <= 14)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
516 // Microsoft SQL Server up to 2017
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 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519 if (LookupConnectionOption(value, "AutoTranslate"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
520 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
521 if (value != "AutoTranslate=no")
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 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
524 << "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
525 }
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 else
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 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 "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
531 "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
532 }
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 else
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 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
537 if (LookupConnectionOption(value, "AutoTranslate") &&
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
538 value != "AutoTranslate=yes")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
539 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
540 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
541 "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
542 "Please set \"AutoTranslate=yes\" in your ODBC connection string");
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 }
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
338
79e21c33962d cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 329
diff changeset
548 void CheckMySQLEncodings(const OdbcDatabase& db)
329
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
549 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
550 // 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
551
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
552 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
553 if (LookupConnectionOption(value, "charset"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
555 if (value != "charset=utf8")
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 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL "
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
559 "must *not* set the \"charset\" option to another value than \"utf8\"");
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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560 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
561 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
562 else if (db.GetDbmsMajorVersion() < 8)
b5fb8b77ce4d initial commit of ODBC framework
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 // MySQL up to 5.7
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
565 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
566 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
567 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
568 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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569 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
570 "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>
parents:
diff changeset
571 "*must* set the \"charset=utf8\" in your connection string");
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
573 }
b5fb8b77ce4d initial commit of ODBC framework
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
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
576 protected:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577 IDatabase* TryOpen()
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579 std::unique_ptr<OdbcDatabase> db(new OdbcDatabase(environment_, connectionString_));
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
580
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
581 if (checkEncodings_)
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 switch (db->GetDialect())
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
584 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
585 case Dialect_MSSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
586 CheckMSSQLEncodings(*db);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
587 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
588
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
589 case Dialect_MySQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
590 CheckMySQLEncodings(*db);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
591 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
592
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
593 case Dialect_SQLite:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
594 case Dialect_PostgreSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
595 // Nothing specific to be checked wrt. encodings
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
596 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
597
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
598 default:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
599 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
600 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
601 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
602
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
603 if (db->GetDbmsMajorVersion() >= 15)
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 /**
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
606 * 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
607 * "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
608 * done *before* the creation of the tables.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
609 * 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
610 *
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
611 * Furthermore, this call must be done by both
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
612 * "odbc-index" and "odbc-storage" plugins, because
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
613 * altering collation is an operation that requires
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
614 * exclusive lock: If "odbc-storage" is the first plugin
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
615 * 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
616 * "odbc-index" cannot start because it doesn't have
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
617 * exclusive access.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
618 **/
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
619 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
620 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
621
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
622 return db.release();
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
623 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
624
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
625 public:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
626 Factory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
627 unsigned int connectionRetryInterval,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
628 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
629 bool checkEncodings) :
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
630 RetryDatabaseFactory(maxConnectionRetries, connectionRetryInterval),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
631 connectionString_(connectionString),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
632 checkEncodings_(checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
633 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
634 }
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 return new Factory(maxConnectionRetries, connectionRetryInterval, connectionString, checkEncodings);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
638 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
639 }