annotate OrthancServer/Sources/Search/ISqlLookupFormatter.cpp @ 4902:df86d2505df8

Orthanc 1.9.8 is now known as Orthanc 1.10.0
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sun, 20 Feb 2022 16:57:43 +0100
parents 6eff25f70121
children 0ea402b4d901
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU General Public License as
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10 * published by the Free Software Foundation, either version 3 of the
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11 * License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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23 #if !defined(ORTHANC_BUILDING_SERVER_LIBRARY)
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24 # error Macro ORTHANC_BUILDING_SERVER_LIBRARY must be defined
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25 #endif
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26
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27 #if ORTHANC_BUILDING_SERVER_LIBRARY == 1
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28 # include "../PrecompiledHeadersServer.h"
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29 #endif
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31 #include "ISqlLookupFormatter.h"
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33 #if ORTHANC_BUILDING_SERVER_LIBRARY == 1
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34 # include "../../../OrthancFramework/Sources/OrthancException.h"
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35 #else
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36 # include <OrthancException.h>
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37 #endif
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38
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39 #include "DatabaseConstraint.h"
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40
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41 #include <boost/lexical_cast.hpp>
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42
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44 namespace Orthanc
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45 {
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46 static std::string FormatLevel(ResourceType level)
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47 {
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48 switch (level)
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49 {
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50 case ResourceType_Patient:
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51 return "patients";
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52
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53 case ResourceType_Study:
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54 return "studies";
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55
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56 case ResourceType_Series:
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57 return "series";
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58
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59 case ResourceType_Instance:
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60 return "instances";
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61
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62 default:
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63 throw OrthancException(ErrorCode_InternalError);
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64 }
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65 }
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68 static bool FormatComparison(std::string& target,
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69 ISqlLookupFormatter& formatter,
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70 const DatabaseConstraint& constraint,
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71 size_t index,
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72 bool escapeBrackets)
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73 {
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74 std::string tag = "t" + boost::lexical_cast<std::string>(index);
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75
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76 std::string comparison;
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77
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78 switch (constraint.GetConstraintType())
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79 {
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80 case ConstraintType_Equal:
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81 case ConstraintType_SmallerOrEqual:
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82 case ConstraintType_GreaterOrEqual:
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83 {
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84 std::string op;
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85 switch (constraint.GetConstraintType())
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86 {
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87 case ConstraintType_Equal:
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88 op = "=";
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89 break;
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90
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91 case ConstraintType_SmallerOrEqual:
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92 op = "<=";
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93 break;
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94
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95 case ConstraintType_GreaterOrEqual:
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96 op = ">=";
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97 break;
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98
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99 default:
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100 throw OrthancException(ErrorCode_InternalError);
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101 }
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102
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103 std::string parameter = formatter.GenerateParameter(constraint.GetSingleValue());
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104
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105 if (constraint.IsCaseSensitive())
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106 {
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107 comparison = tag + ".value " + op + " " + parameter;
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108 }
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109 else
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110 {
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111 comparison = "lower(" + tag + ".value) " + op + " lower(" + parameter + ")";
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112 }
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113
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114 break;
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115 }
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116
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117 case ConstraintType_List:
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118 {
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119 for (size_t i = 0; i < constraint.GetValuesCount(); i++)
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120 {
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121 if (!comparison.empty())
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122 {
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diff changeset
123 comparison += ", ";
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124 }
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parents:
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125
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parents:
diff changeset
126 std::string parameter = formatter.GenerateParameter(constraint.GetValue(i));
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127
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128 if (constraint.IsCaseSensitive())
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129 {
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130 comparison += parameter;
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131 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
132 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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133 {
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134 comparison += "lower(" + parameter + ")";
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diff changeset
135 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 if (constraint.IsCaseSensitive())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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139 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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140 comparison = tag + ".value IN (" + comparison + ")";
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parents:
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141 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 else
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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 comparison = "lower(" + tag + ".value) IN (" + comparison + ")";
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145 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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146
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147 break;
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148 }
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149
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150 case ConstraintType_Wildcard:
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151 {
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152 const std::string value = constraint.GetSingleValue();
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153
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154 if (value == "*")
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155 {
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156 if (!constraint.IsMandatory())
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157 {
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158 // Universal constraint on an optional tag, ignore it
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159 return false;
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160 }
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parents:
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161 }
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parents:
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162 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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163 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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164 std::string escaped;
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165 escaped.reserve(value.size());
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166
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167 for (size_t i = 0; i < value.size(); i++)
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168 {
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169 if (value[i] == '*')
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170 {
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diff changeset
171 escaped += "%";
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172 }
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173 else if (value[i] == '?')
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diff changeset
174 {
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175 escaped += "_";
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176 }
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diff changeset
177 else if (value[i] == '%')
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178 {
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diff changeset
179 escaped += "\\%";
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180 }
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181 else if (value[i] == '_')
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parents:
diff changeset
182 {
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183 escaped += "\\_";
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184 }
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diff changeset
185 else if (value[i] == '\\')
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parents:
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186 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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187 escaped += "\\\\";
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188 }
4817
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
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parents: 4437
diff changeset
189 else if (escapeBrackets && value[i] == '[')
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
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parents: 4437
diff changeset
190 {
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
191 escaped += "\\[";
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diff changeset
192 }
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
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193 else if (escapeBrackets && value[i] == ']')
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parents: 4437
diff changeset
194 {
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
195 escaped += "\\]";
b8fcd331b4b3 added ISqlLookupFormatter::IsEscapeBrackets()
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parents: 4437
diff changeset
196 }
3058
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
197 else
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parents:
diff changeset
198 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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diff changeset
199 escaped += value[i];
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parents:
diff changeset
200 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
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 std::string parameter = formatter.GenerateParameter(escaped);
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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204
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
205 if (constraint.IsCaseSensitive())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 {
3079
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
207 comparison = (tag + ".value LIKE " + parameter + " " +
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
208 formatter.FormatWildcardEscape());
3058
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
209 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 {
3079
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
212 comparison = ("lower(" + tag + ".value) LIKE lower(" +
65e2bfa953ef ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3078
diff changeset
213 parameter + ") " + formatter.FormatWildcardEscape());
3058
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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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 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 break;
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
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parents:
diff changeset
219
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
220 default:
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
221 return false;
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
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parents:
diff changeset
224 if (constraint.IsMandatory())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
225 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
226 target = comparison;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
227 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 else if (comparison.empty())
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
229 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff changeset
230 target = tag + ".value IS NULL";
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 else
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 {
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 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
235 }
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 return true;
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 }
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
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 static void FormatJoin(std::string& target,
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 const DatabaseConstraint& constraint,
6faf575ba9cc refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 size_t index)
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>
parents:
diff changeset
245 std::string tag = "t" + boost::lexical_cast<std::string>(index);
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246
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247 if (constraint.IsMandatory())
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248 {
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249 target = " INNER JOIN ";
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250 }
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251 else
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252 {
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253 target = " LEFT JOIN ";
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254 }
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255
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256 if (constraint.IsIdentifier())
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257 {
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258 target += "DicomIdentifiers ";
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259 }
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260 else
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261 {
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262 target += "MainDicomTags ";
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263 }
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264
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265 target += (tag + " ON " + tag + ".id = " + FormatLevel(constraint.GetLevel()) +
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266 ".internalId AND " + tag + ".tagGroup = " +
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267 boost::lexical_cast<std::string>(constraint.GetTag().GetGroup()) +
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268 " AND " + tag + ".tagElement = " +
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269 boost::lexical_cast<std::string>(constraint.GetTag().GetElement()));
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270 }
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271
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272
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273 void ISqlLookupFormatter::Apply(std::string& sql,
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274 ISqlLookupFormatter& formatter,
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275 const std::vector<DatabaseConstraint>& lookup,
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276 ResourceType queryLevel,
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277 size_t limit)
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278 {
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279 assert(ResourceType_Patient < ResourceType_Study &&
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280 ResourceType_Study < ResourceType_Series &&
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281 ResourceType_Series < ResourceType_Instance);
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282
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283 ResourceType upperLevel = queryLevel;
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284 ResourceType lowerLevel = queryLevel;
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285
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286 for (size_t i = 0; i < lookup.size(); i++)
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287 {
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288 ResourceType level = lookup[i].GetLevel();
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289
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290 if (level < upperLevel)
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291 {
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292 upperLevel = level;
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293 }
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294
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295 if (level > lowerLevel)
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296 {
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297 lowerLevel = level;
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298 }
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299 }
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300
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301 assert(upperLevel <= queryLevel &&
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302 queryLevel <= lowerLevel);
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303
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304 const bool escapeBrackets = formatter.IsEscapeBrackets();
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305
3058
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306 std::string joins, comparisons;
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307
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308 size_t count = 0;
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309
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310 for (size_t i = 0; i < lookup.size(); i++)
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311 {
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312 std::string comparison;
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313
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314 if (FormatComparison(comparison, formatter, lookup[i], count, escapeBrackets))
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315 {
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316 std::string join;
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317 FormatJoin(join, lookup[i], count);
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318 joins += join;
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319
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320 if (!comparison.empty())
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321 {
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322 comparisons += " AND " + comparison;
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323 }
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324
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325 count ++;
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326 }
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327 }
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328
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329 sql = ("SELECT " +
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330 FormatLevel(queryLevel) + ".publicId, " +
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331 FormatLevel(queryLevel) + ".internalId" +
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332 " FROM Resources AS " + FormatLevel(queryLevel));
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333
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334 for (int level = queryLevel - 1; level >= upperLevel; level--)
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335 {
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336 sql += (" INNER JOIN Resources " +
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337 FormatLevel(static_cast<ResourceType>(level)) + " ON " +
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338 FormatLevel(static_cast<ResourceType>(level)) + ".internalId=" +
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339 FormatLevel(static_cast<ResourceType>(level + 1)) + ".parentId");
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340 }
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341
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342 for (int level = queryLevel + 1; level <= lowerLevel; level++)
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343 {
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344 sql += (" INNER JOIN Resources " +
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345 FormatLevel(static_cast<ResourceType>(level)) + " ON " +
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346 FormatLevel(static_cast<ResourceType>(level - 1)) + ".internalId=" +
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347 FormatLevel(static_cast<ResourceType>(level)) + ".parentId");
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348 }
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349
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350 sql += (joins + " WHERE " + FormatLevel(queryLevel) + ".resourceType = " +
3078
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351 formatter.FormatResourceType(queryLevel) + comparisons);
3058
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352
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353 if (limit != 0)
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354 {
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355 sql += " LIMIT " + boost::lexical_cast<std::string>(limit);
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356 }
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357 }
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358 }