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annotate OrthancServer/Search/ISqlLookupFormatter.cpp @ 3540:096c827cbf9e

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 15 Oct 2019 13:01:14 +0200
parents f6de9d25b20d
children 94f4a18a79cc
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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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5ebd2ef5e7ae preparing for 2019
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5 * Copyright (C) 2017-2019 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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34 #include "../PrecompiledHeadersServer.h"
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35 #include "ISqlLookupFormatter.h"
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36
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37 #include "../../Core/OrthancException.h"
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38 #include "DatabaseConstraint.h"
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39
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40 namespace Orthanc
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41 {
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42 static std::string FormatLevel(ResourceType level)
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43 {
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44 switch (level)
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45 {
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46 case ResourceType_Patient:
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47 return "patients";
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48
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49 case ResourceType_Study:
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50 return "studies";
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51
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52 case ResourceType_Series:
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53 return "series";
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54
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55 case ResourceType_Instance:
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56 return "instances";
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57
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58 default:
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59 throw OrthancException(ErrorCode_InternalError);
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60 }
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61 }
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64 static bool FormatComparison(std::string& target,
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65 ISqlLookupFormatter& formatter,
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66 const DatabaseConstraint& constraint,
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67 size_t index)
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68 {
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69 std::string tag = "t" + boost::lexical_cast<std::string>(index);
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70
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71 std::string comparison;
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72
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73 switch (constraint.GetConstraintType())
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74 {
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75 case ConstraintType_Equal:
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76 case ConstraintType_SmallerOrEqual:
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77 case ConstraintType_GreaterOrEqual:
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78 {
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79 std::string op;
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80 switch (constraint.GetConstraintType())
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81 {
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82 case ConstraintType_Equal:
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83 op = "=";
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84 break;
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85
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86 case ConstraintType_SmallerOrEqual:
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87 op = "<=";
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88 break;
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89
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90 case ConstraintType_GreaterOrEqual:
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91 op = ">=";
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92 break;
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93
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94 default:
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95 throw OrthancException(ErrorCode_InternalError);
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96 }
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97
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98 std::string parameter = formatter.GenerateParameter(constraint.GetSingleValue());
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99
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100 if (constraint.IsCaseSensitive())
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101 {
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102 comparison = tag + ".value " + op + " " + parameter;
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103 }
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104 else
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105 {
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106 comparison = "lower(" + tag + ".value) " + op + " lower(" + parameter + ")";
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107 }
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108
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109 break;
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110 }
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111
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112 case ConstraintType_List:
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113 {
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114 for (size_t i = 0; i < constraint.GetValuesCount(); i++)
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115 {
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116 if (!comparison.empty())
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117 {
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118 comparison += ", ";
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119 }
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parents:
diff changeset
120
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
121 std::string parameter = formatter.GenerateParameter(constraint.GetValue(i));
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parents:
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122
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
123 if (constraint.IsCaseSensitive())
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parents:
diff changeset
124 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
125 comparison += parameter;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
126 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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129 comparison += "lower(" + parameter + ")";
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
130 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
131 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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132
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
133 if (constraint.IsCaseSensitive())
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134 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
135 comparison = tag + ".value IN (" + comparison + ")";
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parents:
diff changeset
136 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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139 comparison = "lower(" + tag + ".value) IN (" + comparison + ")";
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140 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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141
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
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142 break;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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144
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145 case ConstraintType_Wildcard:
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146 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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147 const std::string value = constraint.GetSingleValue();
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148
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149 if (value == "*")
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150 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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151 if (!constraint.IsMandatory())
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152 {
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153 // Universal constraint on an optional tag, ignore it
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154 return false;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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156 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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157 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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158 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
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159 std::string escaped;
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160 escaped.reserve(value.size());
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161
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162 for (size_t i = 0; i < value.size(); i++)
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163 {
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parents:
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164 if (value[i] == '*')
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parents:
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165 {
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166 escaped += "%";
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parents:
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167 }
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parents:
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168 else if (value[i] == '?')
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parents:
diff changeset
169 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
170 escaped += "_";
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parents:
diff changeset
171 }
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parents:
diff changeset
172 else if (value[i] == '%')
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parents:
diff changeset
173 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
174 escaped += "\\%";
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parents:
diff changeset
175 }
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parents:
diff changeset
176 else if (value[i] == '_')
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parents:
diff changeset
177 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
178 escaped += "\\_";
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parents:
diff changeset
179 }
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parents:
diff changeset
180 else if (value[i] == '\\')
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parents:
diff changeset
181 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
182 escaped += "\\\\";
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parents:
diff changeset
183 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
186 escaped += value[i];
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parents:
diff changeset
187 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189
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parents:
diff changeset
190 std::string parameter = formatter.GenerateParameter(escaped);
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parents:
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191
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
192 if (constraint.IsCaseSensitive())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 {
3079
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
194 comparison = (tag + ".value LIKE " + parameter + " " +
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
195 formatter.FormatWildcardEscape());
3058
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
196 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198 {
3079
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
199 comparison = ("lower(" + tag + ".value) LIKE lower(" +
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
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parents: 3078
diff changeset
200 parameter + ") " + formatter.FormatWildcardEscape());
3058
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parents:
diff changeset
201 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 break;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207 default:
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
208 return false;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 if (constraint.IsMandatory())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
213 target = comparison;
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parents:
diff changeset
214 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
215 else if (comparison.empty())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
216 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
217 target = tag + ".value IS NULL";
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 target = tag + ".value IS NULL OR " + comparison;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224 return true;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 static void FormatJoin(std::string& target,
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
229 const DatabaseConstraint& constraint,
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 size_t index)
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 std::string tag = "t" + boost::lexical_cast<std::string>(index);
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
233
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 if (constraint.IsMandatory())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 target = " INNER JOIN ";
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 target = " LEFT JOIN ";
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 if (constraint.IsIdentifier())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
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245 target += "DicomIdentifiers ";
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246 }
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247 else
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248 {
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249 target += "MainDicomTags ";
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250 }
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251
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252 target += (tag + " ON " + tag + ".id = " + FormatLevel(constraint.GetLevel()) +
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253 ".internalId AND " + tag + ".tagGroup = " +
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254 boost::lexical_cast<std::string>(constraint.GetTag().GetGroup()) +
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255 " AND " + tag + ".tagElement = " +
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256 boost::lexical_cast<std::string>(constraint.GetTag().GetElement()));
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257 }
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258
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259
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260 void ISqlLookupFormatter::Apply(std::string& sql,
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261 ISqlLookupFormatter& formatter,
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262 const std::vector<DatabaseConstraint>& lookup,
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263 ResourceType queryLevel,
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264 size_t limit)
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265 {
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266 assert(ResourceType_Patient < ResourceType_Study &&
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267 ResourceType_Study < ResourceType_Series &&
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268 ResourceType_Series < ResourceType_Instance);
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269
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270 ResourceType upperLevel = queryLevel;
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271 ResourceType lowerLevel = queryLevel;
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272
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273 for (size_t i = 0; i < lookup.size(); i++)
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274 {
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275 ResourceType level = lookup[i].GetLevel();
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276
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277 if (level < upperLevel)
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278 {
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279 upperLevel = level;
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280 }
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281
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282 if (level > lowerLevel)
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283 {
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284 lowerLevel = level;
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285 }
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286 }
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287
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288 assert(upperLevel <= queryLevel &&
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289 queryLevel <= lowerLevel);
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290
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291 std::string joins, comparisons;
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292
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293 size_t count = 0;
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294
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295 for (size_t i = 0; i < lookup.size(); i++)
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296 {
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297 std::string comparison;
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298
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299 if (FormatComparison(comparison, formatter, lookup[i], count))
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300 {
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301 std::string join;
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302 FormatJoin(join, lookup[i], count);
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303 joins += join;
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304
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305 if (!comparison.empty())
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306 {
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307 comparisons += " AND " + comparison;
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308 }
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309
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310 count ++;
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311 }
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312 }
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313
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314 sql = ("SELECT " +
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315 FormatLevel(queryLevel) + ".publicId, " +
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316 FormatLevel(queryLevel) + ".internalId" +
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317 " FROM Resources AS " + FormatLevel(queryLevel));
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318
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319 for (int level = queryLevel - 1; level >= upperLevel; level--)
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320 {
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321 sql += (" INNER JOIN Resources " +
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322 FormatLevel(static_cast<ResourceType>(level)) + " ON " +
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323 FormatLevel(static_cast<ResourceType>(level)) + ".internalId=" +
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324 FormatLevel(static_cast<ResourceType>(level + 1)) + ".parentId");
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325 }
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326
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327 for (int level = queryLevel + 1; level <= lowerLevel; level++)
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328 {
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329 sql += (" INNER JOIN Resources " +
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330 FormatLevel(static_cast<ResourceType>(level)) + " ON " +
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331 FormatLevel(static_cast<ResourceType>(level - 1)) + ".internalId=" +
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332 FormatLevel(static_cast<ResourceType>(level)) + ".parentId");
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333 }
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334
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335 sql += (joins + " WHERE " + FormatLevel(queryLevel) + ".resourceType = " +
3078
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336 formatter.FormatResourceType(queryLevel) + comparisons);
3058
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337
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338 if (limit != 0)
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339 {
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340 sql += " LIMIT " + boost::lexical_cast<std::string>(limit);
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341 }
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342 }
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343 }