Mercurial > hg > orthanc
annotate OrthancServer/Sources/Search/ISqlLookupFormatter.cpp @ 5828:7030fa489669 find-refactoring
tools/find: QueryMetadata
author | Alain Mazy <am@orthanc.team> |
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date | Mon, 07 Oct 2024 15:19:26 +0200 |
parents | 976872a99d39 |
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rev | line source |
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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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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upgrade to year 2024
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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8 * |
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9 * This program is free software: you can redistribute it and/or |
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10 * modify it under the terms of the GNU General Public License as |
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11 * published by the Free Software Foundation, either version 3 of the |
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12 * License, or (at your option) any later version. |
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13 * |
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14 * This program is distributed in the hope that it will be useful, but |
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 * General Public License for more details. |
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18 * |
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19 * You should have received a copy of the GNU General Public License |
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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21 **/ |
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22 |
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23 |
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24 #include "../PrecompiledHeadersServer.h" |
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25 #include "ISqlLookupFormatter.h" |
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26 |
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27 #include "../../../OrthancFramework/Sources/OrthancException.h" |
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28 #include "../../../OrthancFramework/Sources/Toolbox.h" |
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29 #include "../Database/FindRequest.h" |
5828 | 30 #include "DatabaseDicomTagConstraint.h" |
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31 #include "../Database/MainDicomTagsRegistry.h" |
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32 |
5477 | 33 #include <cassert> |
4304 | 34 #include <boost/lexical_cast.hpp> |
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35 #include <list> |
4304 | 36 |
37 | |
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38 namespace Orthanc |
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39 { |
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40 static std::string FormatLevel(ResourceType level) |
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41 { |
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42 switch (level) |
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43 { |
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44 case ResourceType_Patient: |
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45 return "patients"; |
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46 |
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47 case ResourceType_Study: |
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48 return "studies"; |
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49 |
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50 case ResourceType_Series: |
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51 return "series"; |
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52 |
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53 case ResourceType_Instance: |
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54 return "instances"; |
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55 |
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56 default: |
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57 throw OrthancException(ErrorCode_InternalError); |
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58 } |
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59 } |
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60 |
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61 static std::string FormatLevel(const char* prefix, ResourceType level) |
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62 { |
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63 switch (level) |
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64 { |
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65 case ResourceType_Patient: |
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66 return std::string(prefix) + "patients"; |
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67 |
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68 case ResourceType_Study: |
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69 return std::string(prefix) + "studies"; |
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70 |
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71 case ResourceType_Series: |
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72 return std::string(prefix) + "series"; |
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73 |
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74 case ResourceType_Instance: |
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75 return std::string(prefix) + "instances"; |
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76 |
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77 default: |
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78 throw OrthancException(ErrorCode_InternalError); |
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79 } |
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80 } |
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81 |
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82 |
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83 static bool FormatComparison(std::string& target, |
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84 ISqlLookupFormatter& formatter, |
5828 | 85 const IDatabaseConstraint& constraint, |
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86 size_t index, |
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87 bool escapeBrackets) |
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88 { |
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89 std::string tag = "t" + boost::lexical_cast<std::string>(index); |
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90 |
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91 std::string comparison; |
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92 |
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93 switch (constraint.GetConstraintType()) |
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94 { |
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95 case ConstraintType_Equal: |
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96 case ConstraintType_SmallerOrEqual: |
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97 case ConstraintType_GreaterOrEqual: |
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98 { |
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99 std::string op; |
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100 switch (constraint.GetConstraintType()) |
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101 { |
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102 case ConstraintType_Equal: |
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103 op = "="; |
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104 break; |
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105 |
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106 case ConstraintType_SmallerOrEqual: |
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107 op = "<="; |
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108 break; |
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109 |
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110 case ConstraintType_GreaterOrEqual: |
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111 op = ">="; |
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112 break; |
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113 |
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114 default: |
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115 throw OrthancException(ErrorCode_InternalError); |
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116 } |
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117 |
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118 std::string parameter = formatter.GenerateParameter(constraint.GetSingleValue()); |
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119 |
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120 if (constraint.IsCaseSensitive()) |
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121 { |
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122 comparison = tag + ".value " + op + " " + parameter; |
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123 } |
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124 else |
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125 { |
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126 comparison = "lower(" + tag + ".value) " + op + " lower(" + parameter + ")"; |
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127 } |
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128 |
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129 break; |
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130 } |
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131 |
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132 case ConstraintType_List: |
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133 { |
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134 for (size_t i = 0; i < constraint.GetValuesCount(); i++) |
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135 { |
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136 if (!comparison.empty()) |
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137 { |
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138 comparison += ", "; |
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139 } |
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140 |
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141 std::string parameter = formatter.GenerateParameter(constraint.GetValue(i)); |
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142 |
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143 if (constraint.IsCaseSensitive()) |
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144 { |
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145 comparison += parameter; |
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146 } |
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147 else |
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148 { |
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149 comparison += "lower(" + parameter + ")"; |
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150 } |
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151 } |
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152 |
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153 if (constraint.IsCaseSensitive()) |
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154 { |
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155 comparison = tag + ".value IN (" + comparison + ")"; |
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156 } |
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157 else |
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158 { |
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159 comparison = "lower(" + tag + ".value) IN (" + comparison + ")"; |
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160 } |
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161 |
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162 break; |
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163 } |
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164 |
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165 case ConstraintType_Wildcard: |
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166 { |
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167 const std::string value = constraint.GetSingleValue(); |
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168 |
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169 if (value == "*") |
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170 { |
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171 if (!constraint.IsMandatory()) |
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172 { |
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173 // Universal constraint on an optional tag, ignore it |
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174 return false; |
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175 } |
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176 } |
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177 else |
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178 { |
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179 std::string escaped; |
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180 escaped.reserve(value.size()); |
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181 |
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182 for (size_t i = 0; i < value.size(); i++) |
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183 { |
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184 if (value[i] == '*') |
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185 { |
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186 escaped += "%"; |
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187 } |
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188 else if (value[i] == '?') |
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189 { |
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190 escaped += "_"; |
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191 } |
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|
192 else if (value[i] == '%') |
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193 { |
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194 escaped += "\\%"; |
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195 } |
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196 else if (value[i] == '_') |
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197 { |
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198 escaped += "\\_"; |
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199 } |
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200 else if (value[i] == '\\') |
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201 { |
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202 escaped += "\\\\"; |
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|
203 } |
4817
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
204 else if (escapeBrackets && value[i] == '[') |
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4437
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|
205 { |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
206 escaped += "\\["; |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
207 } |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
208 else if (escapeBrackets && value[i] == ']') |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
209 { |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
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|
210 escaped += "\\]"; |
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added ISqlLookupFormatter::IsEscapeBrackets()
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4437
diff
changeset
|
211 } |
3058
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|
212 else |
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diff
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|
213 { |
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|
214 escaped += value[i]; |
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|
215 } |
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|
216 } |
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|
217 |
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|
218 std::string parameter = formatter.GenerateParameter(escaped); |
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219 |
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|
220 if (constraint.IsCaseSensitive()) |
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|
221 { |
3079
65e2bfa953ef
ISqlLookupFormatter::FormatWildcardEscape()
Sebastien Jodogne <s.jodogne@gmail.com>
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3078
diff
changeset
|
222 comparison = (tag + ".value LIKE " + parameter + " " + |
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ISqlLookupFormatter::FormatWildcardEscape()
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3078
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|
223 formatter.FormatWildcardEscape()); |
3058
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|
224 } |
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|
225 else |
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|
226 { |
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227 comparison = ("lower(" + tag + ".value) LIKE lower(" + |
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228 parameter + ") " + formatter.FormatWildcardEscape()); |
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229 } |
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230 } |
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231 |
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232 break; |
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233 } |
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234 |
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235 default: |
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236 return false; |
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237 } |
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238 |
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239 if (constraint.IsMandatory()) |
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240 { |
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241 target = comparison; |
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242 } |
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243 else if (comparison.empty()) |
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244 { |
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245 target = tag + ".value IS NULL"; |
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246 } |
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247 else |
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248 { |
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249 target = tag + ".value IS NULL OR " + comparison; |
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250 } |
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251 |
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252 return true; |
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253 } |
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254 |
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255 |
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256 static void FormatJoin(std::string& target, |
5828 | 257 const DatabaseDicomTagConstraint& constraint, |
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258 size_t index) |
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259 { |
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260 std::string tag = "t" + boost::lexical_cast<std::string>(index); |
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261 |
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262 if (constraint.IsMandatory()) |
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263 { |
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264 target = " INNER JOIN "; |
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265 } |
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266 else |
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267 { |
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268 target = " LEFT JOIN "; |
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269 } |
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270 |
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271 if (constraint.IsIdentifier()) |
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272 { |
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273 target += "DicomIdentifiers "; |
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274 } |
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275 else |
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276 { |
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277 target += "MainDicomTags "; |
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278 } |
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279 |
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280 target += (tag + " ON " + tag + ".id = " + FormatLevel(constraint.GetLevel()) + |
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281 ".internalId AND " + tag + ".tagGroup = " + |
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282 boost::lexical_cast<std::string>(constraint.GetTag().GetGroup()) + |
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283 " AND " + tag + ".tagElement = " + |
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284 boost::lexical_cast<std::string>(constraint.GetTag().GetElement())); |
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285 } |
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"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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286 |
5828 | 287 static void FormatJoin(std::string& target, |
288 const DatabaseMetadataConstraint& constraint, | |
289 ResourceType level, | |
290 size_t index) | |
291 { | |
292 std::string tag = "t" + boost::lexical_cast<std::string>(index); | |
293 | |
294 if (constraint.IsMandatory()) | |
295 { | |
296 target = " INNER JOIN "; | |
297 } | |
298 else | |
299 { | |
300 target = " LEFT JOIN "; | |
301 } | |
302 | |
303 target += "Metadata "; | |
304 | |
305 target += tag + " ON " + tag + ".id = " + FormatLevel(level) + | |
306 ".internalId AND " + tag + ".type = " + | |
307 boost::lexical_cast<std::string>(constraint.GetMetadata()); | |
308 } | |
309 | |
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310 |
5825
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311 static void FormatJoinForOrdering(std::string& target, |
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312 const DicomTag& tag, |
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313 size_t index, |
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314 ResourceType requestLevel) |
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315 { |
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316 std::string orderArg = "order" + boost::lexical_cast<std::string>(index); |
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317 |
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318 target.clear(); |
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319 |
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320 ResourceType tagLevel; |
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321 DicomTagType tagType; |
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322 MainDicomTagsRegistry registry; |
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323 |
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324 registry.LookupTag(tagLevel, tagType, tag); |
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325 |
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326 if (tagLevel == ResourceType_Patient && requestLevel == ResourceType_Study) |
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327 { // Patient tags are copied at study level |
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328 tagLevel = ResourceType_Study; |
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329 } |
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330 |
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331 std::string tagTable; |
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332 if (tagType == DicomTagType_Identifier) |
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333 { |
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334 tagTable = "DicomIdentifiers "; |
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335 } |
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336 else |
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337 { |
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338 tagTable = "MainDicomTags "; |
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339 } |
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340 |
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341 std::string tagFilter = orderArg + ".tagGroup = " + boost::lexical_cast<std::string>(tag.GetGroup()) + " AND " + orderArg + ".tagElement = " + boost::lexical_cast<std::string>(tag.GetElement()); |
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342 |
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343 if (tagLevel == requestLevel) |
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344 { |
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345 target = " LEFT JOIN " + tagTable + " " + orderArg + " ON " + orderArg + ".id = " + FormatLevel(requestLevel) + |
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346 ".internalId AND " + tagFilter; |
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347 } |
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348 else if (static_cast<int32_t>(requestLevel) - static_cast<int32_t>(tagLevel) == 1) |
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349 { |
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350 target = " INNER JOIN Resources " + orderArg + "parent ON " + orderArg + "parent.internalId = " + FormatLevel(requestLevel) + ".parentId " |
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351 " LEFT JOIN " + tagTable + " " + orderArg + " ON " + orderArg + ".id = " + orderArg + "parent.internalId AND " + tagFilter; |
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352 } |
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353 else if (static_cast<int32_t>(requestLevel) - static_cast<int32_t>(tagLevel) == 2) |
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354 { |
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355 target = " INNER JOIN Resources " + orderArg + "parent ON " + orderArg + "parent.internalId = " + FormatLevel(requestLevel) + ".parentId " |
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356 " INNER JOIN Resources " + orderArg + "grandparent ON " + orderArg + "grandparent.internalId = " + orderArg + "parent.parentId " |
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357 " LEFT JOIN " + tagTable + " " + orderArg + " ON " + orderArg + ".id = " + orderArg + "grandparent.internalId AND " + tagFilter; |
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358 } |
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359 else if (static_cast<int32_t>(requestLevel) - static_cast<int32_t>(tagLevel) == 3) |
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360 { |
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361 target = " INNER JOIN Resources " + orderArg + "parent ON " + orderArg + "parent.internalId = " + FormatLevel(requestLevel) + ".parentId " |
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362 " INNER JOIN Resources " + orderArg + "grandparent ON " + orderArg + "grandparent.internalId = " + orderArg + "parent.parentId " |
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363 " INNER JOIN Resources " + orderArg + "grandgrandparent ON " + orderArg + "grandgrandparent.internalId = " + orderArg + "grandparent.parentId " |
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364 " LEFT JOIN " + tagTable + " " + orderArg + " ON " + orderArg + ".id = " + orderArg + "grandgrandparent.internalId AND " + tagFilter; |
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365 } |
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366 } |
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367 |
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368 static void FormatJoinForOrdering(std::string& target, |
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369 const MetadataType& metadata, |
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370 size_t index, |
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371 ResourceType requestLevel) |
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372 { |
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373 std::string arg = "order" + boost::lexical_cast<std::string>(index); |
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374 |
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375 |
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376 target = " INNER JOIN Metadata " + arg + " ON " + arg + ".id = " + FormatLevel(requestLevel) + |
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377 ".internalId AND " + arg + ".type = " + |
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378 boost::lexical_cast<std::string>(metadata); |
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379 } |
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380 |
5227
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381 static std::string Join(const std::list<std::string>& values, |
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382 const std::string& prefix, |
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383 const std::string& separator) |
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384 { |
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385 if (values.empty()) |
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386 { |
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387 return ""; |
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388 } |
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389 else |
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390 { |
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391 std::string s = prefix; |
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392 |
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393 bool first = true; |
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394 for (std::list<std::string>::const_iterator it = values.begin(); it != values.end(); ++it) |
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395 { |
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396 if (first) |
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397 { |
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398 first = false; |
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399 } |
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400 else |
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401 { |
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402 s += separator; |
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403 } |
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404 |
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405 s += *it; |
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406 } |
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407 |
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408 return s; |
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409 } |
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410 } |
5422 | 411 |
412 static bool FormatComparison2(std::string& target, | |
413 ISqlLookupFormatter& formatter, | |
5828 | 414 const DatabaseDicomTagConstraint& constraint, |
5422 | 415 bool escapeBrackets) |
416 { | |
417 std::string comparison; | |
418 std::string tagFilter = ("tagGroup = " + boost::lexical_cast<std::string>(constraint.GetTag().GetGroup()) | |
419 + " AND tagElement = " + boost::lexical_cast<std::string>(constraint.GetTag().GetElement())); | |
420 | |
421 switch (constraint.GetConstraintType()) | |
422 { | |
423 case ConstraintType_Equal: | |
424 case ConstraintType_SmallerOrEqual: | |
425 case ConstraintType_GreaterOrEqual: | |
426 { | |
427 std::string op; | |
428 switch (constraint.GetConstraintType()) | |
429 { | |
430 case ConstraintType_Equal: | |
431 op = "="; | |
432 break; | |
433 | |
434 case ConstraintType_SmallerOrEqual: | |
435 op = "<="; | |
436 break; | |
437 | |
438 case ConstraintType_GreaterOrEqual: | |
439 op = ">="; | |
440 break; | |
441 | |
442 default: | |
443 throw OrthancException(ErrorCode_InternalError); | |
444 } | |
445 | |
446 std::string parameter = formatter.GenerateParameter(constraint.GetSingleValue()); | |
447 | |
448 if (constraint.IsCaseSensitive()) | |
449 { | |
450 comparison = " AND value " + op + " " + parameter; | |
451 } | |
452 else | |
453 { | |
454 comparison = " AND lower(value) " + op + " lower(" + parameter + ")"; | |
455 } | |
456 | |
457 break; | |
458 } | |
459 | |
460 case ConstraintType_List: | |
461 { | |
462 std::vector<std::string> comparisonValues; | |
463 for (size_t i = 0; i < constraint.GetValuesCount(); i++) | |
464 { | |
465 std::string parameter = formatter.GenerateParameter(constraint.GetValue(i)); | |
466 | |
467 if (constraint.IsCaseSensitive()) | |
468 { | |
469 comparisonValues.push_back(parameter); | |
470 } | |
471 else | |
472 { | |
473 comparisonValues.push_back("lower(" + parameter + ")"); | |
474 } | |
475 } | |
476 | |
477 std::string values; | |
478 Toolbox::JoinStrings(values, comparisonValues, ", "); | |
479 | |
480 if (constraint.IsCaseSensitive()) | |
481 { | |
482 comparison = " AND value IN (" + values + ")"; | |
483 } | |
484 else | |
485 { | |
486 comparison = " AND lower(value) IN (" + values + ")"; | |
487 } | |
488 | |
489 break; | |
490 } | |
491 | |
492 case ConstraintType_Wildcard: | |
493 { | |
494 const std::string value = constraint.GetSingleValue(); | |
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495 |
5422 | 496 if (value == "*") |
497 { | |
498 if (!constraint.IsMandatory()) | |
499 { | |
500 // Universal constraint on an optional tag, ignore it | |
501 return false; | |
502 } | |
503 } | |
504 else | |
505 { | |
506 std::string escaped; | |
507 escaped.reserve(value.size()); | |
508 | |
509 for (size_t i = 0; i < value.size(); i++) | |
510 { | |
511 if (value[i] == '*') | |
512 { | |
513 escaped += "%"; | |
514 } | |
515 else if (value[i] == '?') | |
516 { | |
517 escaped += "_"; | |
518 } | |
519 else if (value[i] == '%') | |
520 { | |
521 escaped += "\\%"; | |
522 } | |
523 else if (value[i] == '_') | |
524 { | |
525 escaped += "\\_"; | |
526 } | |
527 else if (value[i] == '\\') | |
528 { | |
529 escaped += "\\\\"; | |
530 } | |
531 else if (escapeBrackets && value[i] == '[') | |
532 { | |
533 escaped += "\\["; | |
534 } | |
535 else if (escapeBrackets && value[i] == ']') | |
536 { | |
537 escaped += "\\]"; | |
538 } | |
539 else | |
540 { | |
541 escaped += value[i]; | |
542 } | |
543 } | |
544 | |
545 std::string parameter = formatter.GenerateParameter(escaped); | |
546 | |
547 if (constraint.IsCaseSensitive()) | |
548 { | |
549 comparison = " AND value LIKE " + parameter + " " + formatter.FormatWildcardEscape(); | |
550 } | |
551 else | |
552 { | |
553 comparison = " AND lower(value) LIKE lower(" + parameter + ") " + formatter.FormatWildcardEscape(); | |
554 } | |
555 } | |
556 | |
557 break; | |
558 } | |
559 | |
560 default: | |
561 return false; | |
562 } | |
563 | |
564 if (constraint.IsMandatory()) | |
565 { | |
566 target = tagFilter + comparison; | |
567 } | |
568 else if (comparison.empty()) | |
569 { | |
570 target = tagFilter + " AND value IS NULL"; | |
571 } | |
572 else | |
573 { | |
574 target = tagFilter + " AND value IS NULL OR " + comparison; | |
575 } | |
576 | |
577 return true; | |
578 } | |
579 | |
580 | |
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581 void ISqlLookupFormatter::GetLookupLevels(ResourceType& lowerLevel, |
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582 ResourceType& upperLevel, |
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583 const ResourceType& queryLevel, |
5828 | 584 const DatabaseDicomTagConstraints& lookup) |
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585 { |
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586 assert(ResourceType_Patient < ResourceType_Study && |
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587 ResourceType_Study < ResourceType_Series && |
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588 ResourceType_Series < ResourceType_Instance); |
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589 |
5422 | 590 lowerLevel = queryLevel; |
591 upperLevel = queryLevel; | |
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592 |
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593 for (size_t i = 0; i < lookup.GetSize(); i++) |
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594 { |
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595 ResourceType level = lookup.GetConstraint(i).GetLevel(); |
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596 |
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597 if (level < upperLevel) |
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598 { |
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599 upperLevel = level; |
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600 } |
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601 |
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602 if (level > lowerLevel) |
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603 { |
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604 lowerLevel = level; |
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605 } |
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606 } |
5422 | 607 } |
608 | |
609 | |
610 void ISqlLookupFormatter::Apply(std::string& sql, | |
611 ISqlLookupFormatter& formatter, | |
5828 | 612 const DatabaseDicomTagConstraints& lookup, |
5422 | 613 ResourceType queryLevel, |
614 const std::set<std::string>& labels, | |
615 LabelsConstraint labelsConstraint, | |
616 size_t limit) | |
617 { | |
5828 | 618 // get the limit levels of the DICOM Tags lookup |
5422 | 619 ResourceType lowerLevel, upperLevel; |
620 GetLookupLevels(lowerLevel, upperLevel, queryLevel, lookup); | |
621 | |
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622 assert(upperLevel <= queryLevel && |
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623 queryLevel <= lowerLevel); |
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624 |
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625 const bool escapeBrackets = formatter.IsEscapeBrackets(); |
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626 |
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627 std::string joins, comparisons; |
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628 |
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629 size_t count = 0; |
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630 |
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631 for (size_t i = 0; i < lookup.GetSize(); i++) |
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632 { |
5828 | 633 const DatabaseDicomTagConstraint& constraint = lookup.GetConstraint(i); |
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634 |
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635 std::string comparison; |
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636 |
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637 if (FormatComparison(comparison, formatter, constraint, count, escapeBrackets)) |
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638 { |
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639 std::string join; |
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added container class DatabaseConstraints
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640 FormatJoin(join, constraint, count); |
3058
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641 joins += join; |
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|
642 |
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643 if (!comparison.empty()) |
6faf575ba9cc
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644 { |
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|
645 comparisons += " AND " + comparison; |
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|
646 } |
6faf575ba9cc
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|
647 |
6faf575ba9cc
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diff
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|
648 count ++; |
6faf575ba9cc
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|
649 } |
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|
650 } |
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|
651 |
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652 sql = ("SELECT " + |
6faf575ba9cc
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parents:
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|
653 FormatLevel(queryLevel) + ".publicId, " + |
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654 FormatLevel(queryLevel) + ".internalId" + |
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655 " FROM Resources AS " + FormatLevel(queryLevel)); |
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|
656 |
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|
657 for (int level = queryLevel - 1; level >= upperLevel; level--) |
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|
658 { |
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|
659 sql += (" INNER JOIN Resources " + |
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660 FormatLevel(static_cast<ResourceType>(level)) + " ON " + |
6faf575ba9cc
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|
661 FormatLevel(static_cast<ResourceType>(level)) + ".internalId=" + |
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|
662 FormatLevel(static_cast<ResourceType>(level + 1)) + ".parentId"); |
6faf575ba9cc
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663 } |
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|
664 |
6faf575ba9cc
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|
665 for (int level = queryLevel + 1; level <= lowerLevel; level++) |
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666 { |
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667 sql += (" INNER JOIN Resources " + |
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668 FormatLevel(static_cast<ResourceType>(level)) + " ON " + |
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|
669 FormatLevel(static_cast<ResourceType>(level - 1)) + ".internalId=" + |
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|
670 FormatLevel(static_cast<ResourceType>(level)) + ".parentId"); |
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671 } |
5227
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"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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672 |
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"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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|
673 std::list<std::string> where; |
5256 | 674 where.push_back(FormatLevel(queryLevel) + ".resourceType = " + |
675 formatter.FormatResourceType(queryLevel) + comparisons); | |
5227
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diff
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|
676 |
5248
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
677 if (!labels.empty()) |
5227
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|
678 { |
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|
679 /** |
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diff
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|
680 * "In SQL Server, NOT EXISTS and NOT IN predicates are the best |
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"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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|
681 * way to search for missing values, as long as both columns in |
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|
682 * question are NOT NULL." |
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|
683 * https://explainextended.com/2009/09/15/not-in-vs-not-exists-vs-left-join-is-null-sql-server/ |
988dab8deb1c
"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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diff
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|
684 **/ |
5248
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
685 |
a7d95f951f8a
replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
686 std::list<std::string> formattedLabels; |
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5227
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687 for (std::set<std::string>::const_iterator it = labels.begin(); it != labels.end(); ++it) |
5227
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|
688 { |
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689 formattedLabels.push_back(formatter.GenerateParameter(*it)); |
5227
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|
690 } |
988dab8deb1c
"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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diff
changeset
|
691 |
5248
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|
692 std::string condition; |
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|
693 switch (labelsConstraint) |
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|
694 { |
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|
695 case LabelsConstraint_Any: |
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|
696 condition = "> 0"; |
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|
697 break; |
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|
698 |
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
699 case LabelsConstraint_All: |
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700 condition = "= " + boost::lexical_cast<std::string>(labels.size()); |
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|
701 break; |
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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changeset
|
702 |
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
703 case LabelsConstraint_None: |
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changeset
|
704 condition = "= 0"; |
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diff
changeset
|
705 break; |
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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changeset
|
706 |
a7d95f951f8a
replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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changeset
|
707 default: |
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|
708 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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|
709 } |
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replaced "WithLabels" and "WithoutLabels", by "Labels" and "LabelsConstraint"
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|
710 |
5256 | 711 where.push_back("(SELECT COUNT(1) FROM Labels AS selectedLabels WHERE selectedLabels.id = " + FormatLevel(queryLevel) + |
712 ".internalId AND selectedLabels.label IN (" + Join(formattedLabels, "", ", ") + ")) " + condition); | |
5227
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diff
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|
713 } |
988dab8deb1c
"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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diff
changeset
|
714 |
988dab8deb1c
"/tools/find" accepts the "WithLabels" and "WithoutLabels" arguments
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diff
changeset
|
715 sql += joins + Join(where, " WHERE ", " AND "); |
3058
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changeset
|
716 |
6faf575ba9cc
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diff
changeset
|
717 if (limit != 0) |
6faf575ba9cc
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parents:
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|
718 { |
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diff
changeset
|
719 sql += " LIMIT " + boost::lexical_cast<std::string>(limit); |
6faf575ba9cc
refactoring: class ISqlLookupFormatter to be used in orthanc-databases
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parents:
diff
changeset
|
720 } |
6faf575ba9cc
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parents:
diff
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|
721 } |
5422 | 722 |
5765
247fc5368693
un-sharing DatabaseConstraint and ISqlLookupFormatter with orthanc-databases
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5762
diff
changeset
|
723 |
5748
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
5680
diff
changeset
|
724 void ISqlLookupFormatter::Apply(std::string& sql, |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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changeset
|
725 ISqlLookupFormatter& formatter, |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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changeset
|
726 const FindRequest& request) |
4bc650d88463
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|
727 { |
4bc650d88463
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|
728 const bool escapeBrackets = formatter.IsEscapeBrackets(); |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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|
729 ResourceType queryLevel = request.GetLevel(); |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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|
730 const std::string& strQueryLevel = FormatLevel(queryLevel); |
5750
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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diff
changeset
|
731 |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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parents:
5748
diff
changeset
|
732 ResourceType lowerLevel, upperLevel; |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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diff
changeset
|
733 GetLookupLevels(lowerLevel, upperLevel, queryLevel, request.GetDicomTagConstraints()); |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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diff
changeset
|
734 |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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parents:
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diff
changeset
|
735 assert(upperLevel <= queryLevel && |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
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diff
changeset
|
736 queryLevel <= lowerLevel); |
f39406a9eda4
ExtendedFind in SQLite continued (6 tests still failing)
Alain Mazy <am@orthanc.team>
parents:
5748
diff
changeset
|
737 |
5825
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
738 std::string ordering; |
881cd0965146
added OrderBy support in SQLite
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diff
changeset
|
739 std::string orderingJoins; |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
740 |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
741 if (request.GetOrdering().size() > 0) |
881cd0965146
added OrderBy support in SQLite
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diff
changeset
|
742 { |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
743 int counter = 0; |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
744 std::vector<std::string> orderByFields; |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
745 for (std::deque<FindRequest::Ordering*>::const_iterator it = request.GetOrdering().begin(); it != request.GetOrdering().end(); ++it) |
881cd0965146
added OrderBy support in SQLite
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diff
changeset
|
746 { |
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
747 std::string orderingJoin; |
5796
16ce3c920f71
rewrote SQLite find using CTEs instead of temporary tables
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5765
diff
changeset
|
748 |
5825
881cd0965146
added OrderBy support in SQLite
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5796
diff
changeset
|
749 switch ((*it)->GetKeyType()) |
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750 { |
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751 case FindRequest::KeyType_DicomTag: |
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752 FormatJoinForOrdering(orderingJoin, (*it)->GetDicomTag(), counter, request.GetLevel()); |
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|
753 break; |
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|
754 case FindRequest::KeyType_Metadata: |
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755 FormatJoinForOrdering(orderingJoin, (*it)->GetMetadataType(), counter, request.GetLevel()); |
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|
756 break; |
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|
757 default: |
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|
758 throw OrthancException(ErrorCode_InternalError); |
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|
759 } |
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|
760 orderingJoins += orderingJoin; |
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|
761 |
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|
762 std::string orderByField = "order" + boost::lexical_cast<std::string>(counter) + ".value"; |
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763 if ((*it)->GetDirection() == FindRequest::OrderingDirection_Ascending) |
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|
764 { |
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|
765 orderByField += " ASC"; |
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|
766 } |
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|
767 else |
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|
768 { |
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|
769 orderByField += " DESC"; |
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|
770 } |
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|
771 orderByFields.push_back(orderByField); |
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|
772 ++counter; |
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|
773 } |
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|
774 |
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|
775 std::string orderByFieldsString; |
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|
776 Toolbox::JoinStrings(orderByFieldsString, orderByFields, ", "); |
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777 ordering = "ROW_NUMBER() OVER (ORDER BY " + orderByFieldsString + ") AS rowNumber"; |
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|
778 } |
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|
779 else |
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|
780 { |
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781 ordering = "ROW_NUMBER() OVER (ORDER BY " + strQueryLevel + ".publicId) AS rowNumber"; // we need a default ordering in order to make default queries repeatable when using since&limit |
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782 } |
5750
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|
783 |
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|
784 sql = ("SELECT " + |
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785 strQueryLevel + ".publicId, " + |
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rewrote SQLite find using CTEs instead of temporary tables
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|
786 strQueryLevel + ".internalId, " + |
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|
787 ordering + |
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|
788 " FROM Resources AS " + strQueryLevel); |
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|
789 |
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|
790 |
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791 std::string joins, comparisons; |
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792 |
5827 | 793 // handle parent constraints |
794 if (request.GetOrthancIdentifiers().IsDefined() && request.GetOrthancIdentifiers().DetectLevel() <= queryLevel) | |
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795 { |
5827 | 796 ResourceType topParentLevel = request.GetOrthancIdentifiers().DetectLevel(); |
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797 |
5827 | 798 if (topParentLevel == queryLevel) |
799 { | |
800 comparisons += " AND " + FormatLevel(topParentLevel) + ".publicId = " + formatter.GenerateParameter(request.GetOrthancIdentifiers().GetLevel(topParentLevel)); | |
801 } | |
802 else | |
803 { | |
804 comparisons += " AND " + FormatLevel("parent", topParentLevel) + ".publicId = " + formatter.GenerateParameter(request.GetOrthancIdentifiers().GetLevel(topParentLevel)); | |
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805 |
5827 | 806 for (int level = queryLevel; level > topParentLevel; level--) |
807 { | |
808 joins += " INNER JOIN Resources " + | |
809 FormatLevel("parent", static_cast<ResourceType>(level - 1)) + " ON " + | |
810 FormatLevel("parent", static_cast<ResourceType>(level - 1)) + ".internalId = "; | |
811 if (level == queryLevel) | |
5826
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812 { |
5827 | 813 joins += FormatLevel(static_cast<ResourceType>(level)) + ".parentId"; |
814 } | |
815 else | |
816 { | |
817 joins += FormatLevel("parent", static_cast<ResourceType>(level)) + ".parentId"; | |
5826
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|
818 } |
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|
819 } |
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820 } |
5827 | 821 } |
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822 |
5827 | 823 size_t count = 0; |
824 | |
5828 | 825 const DatabaseDicomTagConstraints& dicomTagsConstraints = request.GetDicomTagConstraints(); |
5827 | 826 for (size_t i = 0; i < dicomTagsConstraints.GetSize(); i++) |
827 { | |
5828 | 828 const DatabaseDicomTagConstraint& constraint = dicomTagsConstraints.GetConstraint(i); |
5827 | 829 |
830 std::string comparison; | |
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831 |
5827 | 832 if (FormatComparison(comparison, formatter, constraint, count, escapeBrackets)) |
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833 { |
5827 | 834 std::string join; |
835 FormatJoin(join, constraint, count); | |
836 joins += join; | |
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837 |
5827 | 838 if (!comparison.empty()) |
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839 { |
5827 | 840 comparisons += " AND " + comparison; |
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841 } |
5827 | 842 |
843 count ++; | |
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844 } |
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|
845 } |
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|
846 |
5828 | 847 for (std::deque<DatabaseMetadataConstraint*>::const_iterator it = request.GetMetadataConstraint().begin(); it != request.GetMetadataConstraint().end(); ++it) |
848 { | |
849 std::string comparison; | |
850 | |
851 if (FormatComparison(comparison, formatter, *(*it), count, escapeBrackets)) | |
852 { | |
853 std::string join; | |
854 FormatJoin(join, *(*it), request.GetLevel(), count); | |
855 joins += join; | |
856 | |
857 if (!comparison.empty()) | |
858 { | |
859 comparisons += " AND " + comparison; | |
860 } | |
861 | |
862 count ++; | |
863 } | |
864 } | |
865 | |
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|
866 for (int level = queryLevel - 1; level >= upperLevel; level--) |
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|
867 { |
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|
868 sql += (" INNER JOIN Resources " + |
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|
869 FormatLevel(static_cast<ResourceType>(level)) + " ON " + |
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870 FormatLevel(static_cast<ResourceType>(level)) + ".internalId=" + |
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|
871 FormatLevel(static_cast<ResourceType>(level + 1)) + ".parentId"); |
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|
872 } |
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|
873 |
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|
874 for (int level = queryLevel + 1; level <= lowerLevel; level++) |
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|
875 { |
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|
876 sql += (" INNER JOIN Resources " + |
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|
877 FormatLevel(static_cast<ResourceType>(level)) + " ON " + |
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|
878 FormatLevel(static_cast<ResourceType>(level - 1)) + ".internalId=" + |
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|
879 FormatLevel(static_cast<ResourceType>(level)) + ".parentId"); |
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|
880 } |
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|
881 |
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|
882 std::list<std::string> where; |
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883 where.push_back(strQueryLevel + ".resourceType = " + |
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|
884 formatter.FormatResourceType(queryLevel) + comparisons); |
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|
885 |
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|
886 |
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|
887 if (!request.GetLabels().empty()) |
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|
888 { |
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|
889 /** |
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|
890 * "In SQL Server, NOT EXISTS and NOT IN predicates are the best |
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891 * way to search for missing values, as long as both columns in |
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892 * question are NOT NULL." |
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|
893 * https://explainextended.com/2009/09/15/not-in-vs-not-exists-vs-left-join-is-null-sql-server/ |
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|
894 **/ |
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895 |
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896 const std::set<std::string>& labels = request.GetLabels(); |
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897 std::list<std::string> formattedLabels; |
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898 for (std::set<std::string>::const_iterator it = labels.begin(); it != labels.end(); ++it) |
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|
899 { |
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900 formattedLabels.push_back(formatter.GenerateParameter(*it)); |
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|
901 } |
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|
902 |
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|
903 std::string condition; |
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|
904 switch (request.GetLabelsConstraint()) |
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905 { |
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|
906 case LabelsConstraint_Any: |
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|
907 condition = "> 0"; |
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|
908 break; |
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|
909 |
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|
910 case LabelsConstraint_All: |
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911 condition = "= " + boost::lexical_cast<std::string>(labels.size()); |
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912 break; |
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913 |
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|
914 case LabelsConstraint_None: |
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915 condition = "= 0"; |
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|
916 break; |
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|
917 |
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|
918 default: |
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919 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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920 } |
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parents:
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changeset
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921 |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
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diff
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922 where.push_back("(SELECT COUNT(1) FROM Labels AS selectedLabels WHERE selectedLabels.id = " + strQueryLevel + |
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WIP: started to implement IntegratedFind in SQLite
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parents:
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923 ".internalId AND selectedLabels.label IN (" + Join(formattedLabels, "", ", ") + ")) " + condition); |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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parents:
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924 } |
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WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
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925 |
5825
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added OrderBy support in SQLite
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926 sql += joins + orderingJoins + Join(where, " WHERE ", " AND "); |
5748
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WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
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927 |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
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parents:
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928 if (request.HasLimits()) |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
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929 { |
5762
d52b3f394f69
FormatLimits (SQLServer needs custom code)
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930 sql += formatter.FormatLimits(request.GetLimitsSince(), request.GetLimitsCount()); |
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WIP: started to implement IntegratedFind in SQLite
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parents:
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931 } |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
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932 } |
4bc650d88463
WIP: started to implement IntegratedFind in SQLite
Alain Mazy <am@orthanc.team>
parents:
5680
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933 |
5422 | 934 |
935 void ISqlLookupFormatter::ApplySingleLevel(std::string& sql, | |
936 ISqlLookupFormatter& formatter, | |
5828 | 937 const DatabaseDicomTagConstraints& lookup, |
5422 | 938 ResourceType queryLevel, |
939 const std::set<std::string>& labels, | |
940 LabelsConstraint labelsConstraint, | |
941 size_t limit | |
942 ) | |
943 { | |
944 ResourceType lowerLevel, upperLevel; | |
945 GetLookupLevels(lowerLevel, upperLevel, queryLevel, lookup); | |
946 | |
947 assert(upperLevel == queryLevel && | |
948 queryLevel == lowerLevel); | |
949 | |
950 const bool escapeBrackets = formatter.IsEscapeBrackets(); | |
951 | |
952 std::vector<std::string> mainDicomTagsComparisons, dicomIdentifiersComparisons; | |
953 | |
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added container class DatabaseConstraints
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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954 for (size_t i = 0; i < lookup.GetSize(); i++) |
5422 | 955 { |
5828 | 956 const DatabaseDicomTagConstraint& constraint = lookup.GetConstraint(i); |
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added container class DatabaseConstraints
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parents:
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957 |
5422 | 958 std::string comparison; |
959 | |
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parents:
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960 if (FormatComparison2(comparison, formatter, constraint, escapeBrackets)) |
5422 | 961 { |
962 if (!comparison.empty()) | |
963 { | |
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964 if (constraint.IsIdentifier()) |
5422 | 965 { |
966 dicomIdentifiersComparisons.push_back(comparison); | |
967 } | |
968 else | |
969 { | |
970 mainDicomTagsComparisons.push_back(comparison); | |
971 } | |
972 } | |
973 } | |
974 } | |
975 | |
976 sql = ("SELECT publicId, internalId " | |
977 "FROM Resources " | |
978 "WHERE resourceType = " + formatter.FormatResourceType(queryLevel) | |
979 + " "); | |
980 | |
981 if (dicomIdentifiersComparisons.size() > 0) | |
982 { | |
983 for (std::vector<std::string>::const_iterator it = dicomIdentifiersComparisons.begin(); it < dicomIdentifiersComparisons.end(); ++it) | |
984 { | |
985 sql += (" AND internalId IN (SELECT id FROM DicomIdentifiers WHERE " + *it + ") "); | |
986 } | |
987 } | |
988 | |
989 if (mainDicomTagsComparisons.size() > 0) | |
990 { | |
991 for (std::vector<std::string>::const_iterator it = mainDicomTagsComparisons.begin(); it < mainDicomTagsComparisons.end(); ++it) | |
992 { | |
993 sql += (" AND internalId IN (SELECT id FROM MainDicomTags WHERE " + *it + ") "); | |
994 } | |
995 } | |
996 | |
997 if (!labels.empty()) | |
998 { | |
999 /** | |
1000 * "In SQL Server, NOT EXISTS and NOT IN predicates are the best | |
1001 * way to search for missing values, as long as both columns in | |
1002 * question are NOT NULL." | |
1003 * https://explainextended.com/2009/09/15/not-in-vs-not-exists-vs-left-join-is-null-sql-server/ | |
1004 **/ | |
1005 | |
1006 std::list<std::string> formattedLabels; | |
1007 for (std::set<std::string>::const_iterator it = labels.begin(); it != labels.end(); ++it) | |
1008 { | |
1009 formattedLabels.push_back(formatter.GenerateParameter(*it)); | |
1010 } | |
1011 | |
1012 std::string condition; | |
1013 std::string inOrNotIn; | |
1014 switch (labelsConstraint) | |
1015 { | |
1016 case LabelsConstraint_Any: | |
1017 condition = "> 0"; | |
1018 inOrNotIn = "IN"; | |
1019 break; | |
1020 | |
1021 case LabelsConstraint_All: | |
1022 condition = "= " + boost::lexical_cast<std::string>(labels.size()); | |
1023 inOrNotIn = "IN"; | |
1024 break; | |
1025 | |
1026 case LabelsConstraint_None: | |
1027 condition = "> 0"; | |
1028 inOrNotIn = "NOT IN"; | |
1029 break; | |
1030 | |
1031 default: | |
1032 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
1033 } | |
1034 | |
1035 sql += (" AND internalId " + inOrNotIn + " (SELECT id" | |
1036 " FROM (SELECT id, COUNT(1) AS labelsCount " | |
1037 "FROM Labels " | |
1038 "WHERE label IN (" + Join(formattedLabels, "", ", ") + ") GROUP BY id" | |
1039 ") AS temp " | |
1040 " WHERE labelsCount " + condition + ")"); | |
1041 } | |
1042 | |
1043 if (limit != 0) | |
1044 { | |
1045 sql += " LIMIT " + boost::lexical_cast<std::string>(limit); | |
1046 } | |
1047 } | |
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6faf575ba9cc
refactoring: class ISqlLookupFormatter to be used in orthanc-databases
Sebastien Jodogne <s.jodogne@gmail.com>
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1048 } |