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annotate Framework/Odbc/OdbcDatabase.cpp @ 329:b5fb8b77ce4d

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initial commit of ODBC framework
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 10 Aug 2021 20:08:53 +0200
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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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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 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 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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127 }
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128 }
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129
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130 switch (completionType)
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131 {
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132 case SQL_COMMIT:
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133 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot commit transaction");
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134
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135 case SQL_ROLLBACK:
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136 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot rollback transaction");
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137
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138 default:
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139 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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140 }
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141 }
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142 }
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143
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144 public:
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145 OdbcExplicitTransaction(OdbcDatabase& db) :
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146 db_(db),
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147 isOpen_(true)
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148 {
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149 SetAutoCommitTransaction(db_.GetHandle(), false);
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150 }
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151
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152 virtual ~OdbcExplicitTransaction()
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153 {
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154 if (isOpen_)
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155 {
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156 LOG(INFO) << "An active ODBC transaction was dismissed";
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157 if (!SQL_SUCCEEDED(SQLEndTran(SQL_HANDLE_DBC, db_.GetHandle(), SQL_ROLLBACK)))
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158 {
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159 LOG(ERROR) << "Cannot rollback transaction";
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160 }
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161 }
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162 }
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163
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164 virtual bool IsImplicit() const ORTHANC_OVERRIDE
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165 {
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166 return false;
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167 }
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168
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169 virtual void Commit() ORTHANC_OVERRIDE
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170 {
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171 EndTransaction(SQL_COMMIT);
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172 }
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173
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174 virtual void Rollback() ORTHANC_OVERRIDE
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175 {
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176 EndTransaction(SQL_ROLLBACK);
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177 }
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178
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179 virtual bool DoesTableExist(const std::string& name) ORTHANC_OVERRIDE
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180 {
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181 return db_.DoesTableExist(name.c_str());
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182 }
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183
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184 virtual bool DoesTriggerExist(const std::string& name) ORTHANC_OVERRIDE
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185 {
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186 return false;
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187 }
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188
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189 virtual void ExecuteMultiLines(const std::string& query) ORTHANC_OVERRIDE
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190 {
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191 db_.ExecuteMultiLines(query);
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192 }
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193
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194 virtual IResult* Execute(IPrecompiledStatement& statement,
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195 const Dictionary& parameters) ORTHANC_OVERRIDE
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196 {
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197 return dynamic_cast<OdbcPreparedStatement&>(statement).Execute(parameters);
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198 }
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199
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200 virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
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201 const Dictionary& parameters) ORTHANC_OVERRIDE
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202 {
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203 std::unique_ptr<IResult> result(Execute(statement, parameters));
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204 }
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205 };
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206
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207
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208 static bool ParseThreePartsVersion(unsigned int& majorVersion,
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209 const std::string& version)
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210 {
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211 std::vector<std::string> tokens;
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212 Orthanc::Toolbox::TokenizeString(tokens, version, '.');
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213
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214 try
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215 {
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216 if (tokens.size() == 3u)
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217 {
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218 int tmp = boost::lexical_cast<int>(tokens[0]);
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219 if (tmp >= 0)
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220 {
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221 majorVersion = static_cast<unsigned int>(tmp);
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222 return true;
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223 }
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224 }
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225 }
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226 catch (boost::bad_lexical_cast&)
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227 {
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228 }
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229
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230 return false;
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231 }
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232
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233
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234 OdbcDatabase::OdbcDatabase(OdbcEnvironment& environment,
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235 const std::string& connectionString) :
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236 dbmsMajorVersion_(0)
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237 {
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238 LOG(INFO) << "Creating an ODBC connection: " << connectionString;
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239
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240 /* Allocate a connection handle */
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241 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_DBC, environment.GetHandle(), &handle_)))
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242 {
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243 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable,
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244 "Cannot create ODBC connection");
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245 }
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246
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247 /* Connect to the DSN mydsn */
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248 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(connectionString.c_str()));
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249 SQLCHAR outBuffer[2048];
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250 SQLSMALLINT outSize = 0;
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251
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252 bool success = true;
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253
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254 if (SQL_SUCCEEDED(SQLDriverConnect(handle_, NULL, tmp, SQL_NTS /* null-terminated string */,
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255 outBuffer, sizeof(outBuffer), &outSize, SQL_DRIVER_COMPLETE)))
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256 {
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257 LOG(INFO) << "Returned connection string: " << outBuffer;
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258 }
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259 else
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260 {
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261 success = false;
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262 }
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263
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264 if (!SQL_SUCCEEDED(SQLSetConnectAttr(handle_, SQL_ATTR_TXN_ISOLATION, (SQLPOINTER) SQL_TXN_SERIALIZABLE, SQL_NTS)))
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265 {
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266 /**
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267 * Switch to the "serializable" isolation level that is expected
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268 * by Orthanc. This is already the default for MySQL and MSSQL,
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269 * but is needed for PostgreSQL.
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270 * https://docs.microsoft.com/en-us/sql/odbc/reference/develop-app/transaction-isolation-levels
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271 **/
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272 success = false;
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273 }
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274
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275 SQLCHAR versionBuffer[2048];
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276 SQLSMALLINT versionSize;
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277
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278 if (success &&
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279 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_NAME, outBuffer, sizeof(outBuffer) - 1, &outSize)) &&
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280 SQL_SUCCEEDED(SQLGetInfo(handle_, SQL_DBMS_VER, versionBuffer, sizeof(versionBuffer) - 1, &versionSize)))
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281 {
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282 std::string dbms(reinterpret_cast<const char*>(outBuffer), outSize);
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283 std::string version(reinterpret_cast<const char*>(versionBuffer), versionSize);
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284
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285 LOG(WARNING) << "DBMS Name: " << dbms;
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286 LOG(WARNING) << "DBMS Version: " << version;
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287
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288 if (dbms == "PostgreSQL")
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289 {
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290 dialect_ = Dialect_PostgreSQL;
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291 }
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292 else if (dbms == "SQLite")
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293 {
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294 dialect_ = Dialect_SQLite;
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295 ExecuteMultiLines("PRAGMA FOREIGN_KEYS=ON"); // Necessary for cascaded delete to work
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296 ExecuteMultiLines("PRAGMA ENCODING=\"UTF-8\"");
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297
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298 // The following lines speed up SQLite
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299
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300 /*ExecuteMultiLines("PRAGMA SYNCHRONOUS=NORMAL;");
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301 ExecuteMultiLines("PRAGMA JOURNAL_MODE=WAL;");
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302 ExecuteMultiLines("PRAGMA LOCKING_MODE=EXCLUSIVE;");
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303 ExecuteMultiLines("PRAGMA WAL_AUTOCHECKPOINT=1000;");*/
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304 }
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305 else if (dbms == "MySQL")
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306 {
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307 dialect_ = Dialect_MySQL;
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308
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309 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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310 {
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311 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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312 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of MySQL: " + version);
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313 }
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314 }
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315 else if (dbms == "Microsoft SQL Server")
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316 {
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317 dialect_ = Dialect_MSSQL;
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318
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319 if (!ParseThreePartsVersion(dbmsMajorVersion_, version))
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320 {
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321 SQLFreeHandle(SQL_HANDLE_DBC, handle_);
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322 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot parse the version of SQL Server: " + version);
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323 }
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324 }
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325 else
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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, "Unknown SQL dialect for DBMS: " + dbms);
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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 success = false;
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334 }
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335
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336 if (!success)
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337 {
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338 std::string error = FormatError();
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339 SQLFreeHandle(SQL_HANDLE_DBC, handle_); // Cannot call FormatError() below this point
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340
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341 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseUnavailable, "Error in SQLDriverConnect():\n" + error);
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342 }
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343 }
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344
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345
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346 OdbcDatabase::~OdbcDatabase()
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347 {
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348 LOG(INFO) << "Destructing an ODBC connection";
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349
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350 if (!SQL_SUCCEEDED(SQLDisconnect(handle_)))
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351 {
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352 LOG(ERROR) << "Cannot disconnect from driver";
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353 }
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354
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355 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_DBC, handle_)))
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diff changeset
356 {
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diff changeset
357 LOG(ERROR) << "Cannot destruct the ODBC connection";
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358 }
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diff changeset
359 }
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parents:
diff changeset
360
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diff changeset
361
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diff changeset
362 std::string OdbcDatabase::FormatError()
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diff changeset
363 {
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diff changeset
364 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_DBC);
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diff changeset
365 }
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parents:
diff changeset
366
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diff changeset
367
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diff changeset
368 void OdbcDatabase::ListTables(std::set<std::string>& target)
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diff changeset
369 {
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diff changeset
370 target.clear();
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diff changeset
371
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diff changeset
372 OdbcStatement statement(GetHandle());
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diff changeset
373
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diff changeset
374 if (SQL_SUCCEEDED(SQLTables(statement.GetHandle(), NULL, 0, NULL, 0, NULL, 0,
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diff changeset
375 const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>("'TABLE'")), SQL_NTS)))
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diff changeset
376 {
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377 OdbcResult result(statement, dialect_);
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diff changeset
378
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diff changeset
379 while (!result.IsDone())
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diff changeset
380 {
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diff changeset
381 if (result.GetFieldsCount() < 5)
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diff changeset
382 {
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diff changeset
383 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Invalid result for SQLTables()");
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diff changeset
384 }
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diff changeset
385 else
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diff changeset
386 {
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diff changeset
387 if (result.GetField(2).GetType() == ValueType_Utf8String &&
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diff changeset
388 result.GetField(3).GetType() == ValueType_Utf8String &&
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diff changeset
389 dynamic_cast<const Utf8StringValue&>(result.GetField(3)).GetContent() == "TABLE")
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390 {
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391 std::string name = dynamic_cast<const Utf8StringValue&>(result.GetField(2)).GetContent();
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diff changeset
392 Orthanc::Toolbox::ToLowerCase(name);
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diff changeset
393 target.insert(name);
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diff changeset
394 }
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diff changeset
395 }
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parents:
diff changeset
396
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diff changeset
397 result.Next();
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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
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parents:
diff changeset
402
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diff changeset
403 bool OdbcDatabase::DoesTableExist(const std::string& name)
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diff changeset
404 {
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diff changeset
405 std::set<std::string> tables;
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diff changeset
406 ListTables(tables);
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diff changeset
407 return (tables.find(name) != tables.end());
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parents:
diff changeset
408 }
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parents:
diff changeset
409
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parents:
diff changeset
410
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diff changeset
411 void OdbcDatabase::ExecuteMultiLines(const std::string& query)
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diff changeset
412 {
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diff changeset
413 OdbcStatement statement(GetHandle());
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diff changeset
414
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diff changeset
415 std::vector<std::string> lines;
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diff changeset
416 Orthanc::Toolbox::TokenizeString(lines, query, ';');
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diff changeset
417
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parents:
diff changeset
418 for (size_t i = 0; i < lines.size(); i++)
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
419 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
420 std::string line = Orthanc::Toolbox::StripSpaces(lines[i]);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
421 if (!line.empty())
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
422 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
423 LOG(INFO) << "Running ODBC SQL: " << line;
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
424 SQLCHAR* tmp = const_cast<SQLCHAR*>(reinterpret_cast<const SQLCHAR*>(line.c_str()));
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
425
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
426 SQLRETURN code = SQLExecDirect(statement.GetHandle(), tmp, SQL_NTS);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
427
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
428 if (code != SQL_NO_DATA &&
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
429 code != SQL_SUCCESS &&
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
430 code != SQL_SUCCESS_WITH_INFO)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
431 {
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
432 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
433 "Cannot execute multi-line SQL:\n" + statement.FormatError());
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
437 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
440 IPrecompiledStatement* OdbcDatabase::Compile(const Query& query)
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
441 {
b5fb8b77ce4d initial commit of ODBC framework
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diff changeset
442 return new OdbcPreparedStatement(GetHandle(), GetDialect(), query);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
445
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
446 ITransaction* OdbcDatabase::CreateTransaction(TransactionType type)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
447 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
448 /**
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
449 * In ODBC, there is no "START TRANSACTION". A transaction is
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
450 * automatically created with each connection, and the "READ
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
451 * ONLY" status can only be set at the statement level
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 * (cf. SQL_CONCUR_READ_ONLY). One can only control the
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
453 * autocommit: https://stackoverflow.com/a/35351267/881731
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
454 **/
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
455 switch (type)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
456 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
457 case TransactionType_Implicit:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
458 return new OdbcImplicitTransaction(*this);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
459
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
460 case TransactionType_ReadWrite:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
461 case TransactionType_ReadOnly:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
462 return new OdbcExplicitTransaction(*this);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
463
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
464 default:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
465 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
466 }
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>
parents:
diff changeset
468
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 unsigned int OdbcDatabase::GetDbmsMajorVersion() const
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 return dbmsMajorVersion_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 IDatabaseFactory* OdbcDatabase::CreateDatabaseFactory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 unsigned int connectionRetryInterval,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479 bool checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
480 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
481 class Factory : public RetryDatabaseFactory
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
482 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 private:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484 OdbcEnvironment environment_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485 std::string connectionString_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 bool checkEncodings_;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488 bool LookupConnectionOption(std::string& value,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489 const std::string& option) const
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 std::vector<std::string> tokens;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492 Orthanc::Toolbox::TokenizeString(tokens, connectionString_, ';');
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
494 for (size_t i = 0; i < tokens.size(); i++)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
495 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
496 if (boost::starts_with(tokens[i], option + "="))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498 value = tokens[i];
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499 return true;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
500 }
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
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 return false;
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 void CheckMSSQLEncodings(OdbcDatabase& db)
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 // 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
510 if (db.GetDbmsMajorVersion() <= 14)
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 // Microsoft SQL Server up to 2017
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
513
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
514 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515 if (LookupConnectionOption(value, "AutoTranslate"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
516 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
517 if (value != "AutoTranslate=no")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
518 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519 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
520 << "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
521 }
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 else
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 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
526 "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
527 "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
528 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
529 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
531 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
532 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
533 if (LookupConnectionOption(value, "AutoTranslate") &&
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
534 value != "AutoTranslate=yes")
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 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
537 "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
538 "Please set \"AutoTranslate=yes\" in your ODBC connection string");
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 }
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
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 void CheckMySQLEncodings(OdbcDatabase& db)
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 // 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
547
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548 std::string value;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
549 if (LookupConnectionOption(value, "charset"))
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
550 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
551 if (value != "charset=utf8")
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
552 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
553 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554 "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
555 "must *not* set the \"charset\" option to another value than \"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 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558 else if (db.GetDbmsMajorVersion() < 8)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
559 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
560 // MySQL up to 5.7
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
561 LOG(WARNING) << "It is advised to set the \"charset=utf8\" option in your connection string if using MySQL <= 5.7";
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parents:
diff changeset
562 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
563 else
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
564 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
565 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database,
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
566 "For compatibility with UTF-8 in Orthanc, your connection string to MySQL >= 8.0 "
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
567 "*must* set the \"charset=utf8\" in your connection string");
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:
diff changeset
569 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
570
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
571
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572 protected:
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
573 IDatabase* TryOpen()
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
574 {
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parents:
diff changeset
575 std::unique_ptr<OdbcDatabase> db(new OdbcDatabase(environment_, connectionString_));
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
576
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577 if (checkEncodings_)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579 switch (db->GetDialect())
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 case Dialect_MSSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
582 CheckMSSQLEncodings(*db);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
583 break;
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_MySQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
586 CheckMySQLEncodings(*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_SQLite:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
590 case Dialect_PostgreSQL:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
591 // Nothing specific to be checked wrt. encodings
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
592 break;
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
593
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
594 default:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
595 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
596 }
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
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
599 if (db->GetDbmsMajorVersion() >= 15)
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 * 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
603 * "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
604 * done *before* the creation of the tables.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
605 * 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
606 *
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
607 * Furthermore, this call must be done by both
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
608 * "odbc-index" and "odbc-storage" plugins, because
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
609 * altering collation is an operation that requires
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
610 * exclusive lock: If "odbc-storage" is the first plugin
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
611 * 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
612 * "odbc-index" cannot start because it doesn't have
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
613 * exclusive access.
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
614 **/
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
615 db->ExecuteMultiLines("ALTER DATABASE CURRENT COLLATE LATIN1_GENERAL_100_CI_AS_SC_UTF8");
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
616 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
617
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
618 return db.release();
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
619 }
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 public:
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
622 Factory(unsigned int maxConnectionRetries,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
623 unsigned int connectionRetryInterval,
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
624 const std::string& connectionString,
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
625 bool checkEncodings) :
b5fb8b77ce4d initial commit of ODBC framework
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parents:
diff changeset
626 RetryDatabaseFactory(maxConnectionRetries, connectionRetryInterval),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
627 connectionString_(connectionString),
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
628 checkEncodings_(checkEncodings)
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
629 {
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
630 }
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
631 };
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
632
b5fb8b77ce4d initial commit of ODBC framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
633 return new Factory(maxConnectionRetries, connectionRetryInterval, connectionString, checkEncodings);
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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 }