1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2017 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Data.Linq;
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25 | using System.Linq;
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26 |
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27 | namespace HeuristicLab.Services.Hive.DataAccess.Daos {
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28 | public class ProjectDao : GenericDao<Guid, Project> {
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29 | public ProjectDao(DataContext dataContext) : base(dataContext) { }
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30 |
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31 | public override Project GetById(Guid id) {
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32 | return GetByIdQuery(DataContext, id);
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33 | }
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34 |
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35 | public IEnumerable<Project> GetGrantedProjectsForUser(IEnumerable<Guid> userAndGroupIds) {
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36 | return GetGrantedProjectsForUserQuery(DataContext, userAndGroupIds);
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37 | }
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38 |
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39 | public IEnumerable<Project> GetChildProjectsById(Guid id) {
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40 | return DataContext.ExecuteQuery<Project>(GetChildProjectsByIdQuery, id);
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41 | }
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42 |
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43 | public IEnumerable<Guid> GetChildProjectIdsById(Guid id) {
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44 | return DataContext.ExecuteQuery<Guid>(GetChildProjectIdsByIdQuery, id);
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45 | }
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46 |
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47 | public IEnumerable<Project> GetParentProjectsById(Guid id) {
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48 | return DataContext.ExecuteQuery<Project>(GetParentProjectsByIdQuery, id);
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49 | }
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50 |
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51 | public IEnumerable<Guid> GetParentProjectIdsById(Guid id) {
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52 | return DataContext.ExecuteQuery<Guid>(GetParentProjectIdsByIdQuery, id);
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53 | }
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54 |
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55 | public IEnumerable<Project> GetCurrentAndParentProjectsById(Guid id) {
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56 | return DataContext.ExecuteQuery<Project>(GetCurrentAndParentProjectsByIdQuery, id);
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57 | }
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58 |
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59 | public IEnumerable<Guid> GetCurrentAndParentProjectIdsById(Guid id) {
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60 | return DataContext.ExecuteQuery<Guid>(GetCurrentAndParentProjectIdsByIdQuery, id);
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61 | }
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62 |
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63 | #region Compiled queries
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64 | private static readonly Func<DataContext, Guid, Project> GetByIdQuery =
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65 | CompiledQuery.Compile((DataContext db, Guid projectId) =>
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66 | (from project in db.GetTable<Project>()
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67 | where project.ProjectId == projectId
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68 | select project).SingleOrDefault());
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69 | private static readonly Func<DataContext, IEnumerable<Guid>, IEnumerable<Project>> GetGrantedProjectsForUserQuery =
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70 | CompiledQuery.Compile((DataContext db, IEnumerable<Guid> userAndGroupIds) =>
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71 | (from project in db.GetTable<Project>()
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72 | join projectPermission in db.GetTable<ProjectPermission>()
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73 | on project.ProjectId equals projectPermission.ProjectId
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74 | where userAndGroupIds.Contains(projectPermission.GrantedUserId)
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75 | select project).Distinct());
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76 | #endregion
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77 |
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78 | #region String queries
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79 | private const string GetChildProjectsByIdQuery = @"
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80 | WITH ptree AS
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81 | (
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82 | SELECT ProjectId, ParentProjectId
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83 | FROM [Project]
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84 | UNION ALL
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85 | SELECT pt.ProjectId, p.ParentProjectId
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86 | FROM [Project] p
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87 | JOIN ptree pt ON pt.ParentProjectId = p.ProjectId AND p.ParentProjectId <> p.ProjectId AND pt.ParentProjectId <> pt.ProjectId
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88 | )
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89 | SELECT DISTINCT pro.*
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90 | FROM ptree, [Project] pro
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91 | WHERE ptree.ParentProjectId = {0}
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92 | AND ptree.ProjectId = pro.ProjectId
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93 | ";
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94 | private const string GetChildProjectIdsByIdQuery = @"
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95 | WITH ptree AS
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96 | (
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97 | SELECT ProjectId, ParentProjectId
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98 | FROM [Project]
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99 | UNION ALL
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100 | SELECT pt.ProjectId, r.ParentProjectId
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101 | FROM [Project] r
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102 | JOIN ptree pt ON pt.ParentProjectId = r.ProjectId AND r.ParentProjectId <> r.ProjectId AND pt.ParentProjectId <> pt.ProjectId
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103 | )
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104 | SELECT DISTINCT ptree.ProjectId
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105 | FROM ptree
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106 | WHERE ptree.ParentProjectId = {0}
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107 | ";
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108 | private const string GetParentProjectsByIdQuery = @"
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109 | WITH pbranch AS
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110 | (
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111 | SELECT ProjectId, ParentProjectId
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112 | FROM [Project]
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113 | UNION ALL
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114 | SELECT pb.ProjectId, p.ParentProjectId
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115 | FROM [Project] p
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116 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId AND p.ParentProjectId <> p.ProjectId AND pb.ParentProjectId <> pb.ProjectId
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117 | )
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118 | SELECT DISTINCT pro.*
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119 | FROM pbranch, [Project] pro
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120 | WHERE pbranch.ProjectId = {0}
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121 | AND pbranch.ParentProjectId = pro.ProjectId
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122 | ";
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123 | private const string GetParentProjectIdsByIdQuery = @"
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124 | WITH pbranch AS
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125 | (
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126 | SELECT ProjectId, ParentProjectId
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127 | FROM [Project]
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128 | UNION ALL
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129 | SELECT pb.ProjectId, p.ParentProjectId
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130 | FROM [Project] p
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131 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId AND p.ParentProjectId <> p.ProjectId AND pb.ParentProjectId <> pb.ProjectId
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132 | )
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133 | SELECT DISTINCT pbranch.ParentProjectId
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134 | FROM pbranch
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135 | WHERE pbranch.ProjectId = {0}
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136 | ";
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137 | private const string GetCurrentAndParentProjectsByIdQuery = @"
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138 | WITH pbranch AS
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139 | (
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140 | SELECT ProjectId, ParentProjectId
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141 | FROM Project
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142 | WHERE ProjectId = {0}
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143 | UNION ALL
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144 | SELECT p.ProjectId, p.ParentProjectId
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145 | FROM Project p
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146 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId
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147 | )
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148 | SELECT DISTINCT pro.*
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149 | FROM pbranch, Project pro
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150 | WHERE pbranch.ProjectId = pro.ProjectId
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151 | ";
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152 | private const string GetCurrentAndParentProjectIdsByIdQuery = @"
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153 | WITH pbranch AS
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154 | (
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155 | SELECT ProjectId, ParentProjectId
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156 | FROM Project
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157 | WHERE ProjectId = {0}
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158 | UNION ALL
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159 | SELECT p.ProjectId, p.ParentProjectId
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160 | FROM Project p
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161 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId
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162 | )
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163 | SELECT DISTINCT pbranch.ProjectId
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164 | FROM pbranch
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165 | ";
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166 | private const string GetNearestOwnedParentProjectByIdQuery = @"
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167 | WITH pbranch AS
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168 | (
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169 | SELECT ProjectId, ParentProjectId, CAST(ProjectId AS NVARCHAR(MAX)) Path, 1 Distance
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170 | FROM [Project]
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171 | WHERE ProjectId = {0}
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172 | UNION ALL
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173 | SELECT pb.ProjectId, p.ParentProjectId, pb.Path + N', ' + CAST(pb.ProjectId AS NVARCHAR(MAX)), pb.Distance + 1
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174 | FROM [Project] p
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175 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId AND p.ParentProjectId <> p.ProjectId AND pb.ParentProjectId <> pb.ProjectId
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176 | )
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177 | SELECT TOP(1) pro.*
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178 | FROM pbranch, [Project] pro
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179 | WHERE pbranch.ParentProjectId = pro.ProjectId
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180 | AND pro.OwnerUserId = {1}
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181 | ORDER BY pbranch.Distance
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182 | ";
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183 | private const string GetFarestOwnedParentProjectIdByIdQuery = @"
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184 | WITH pbranch AS
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185 | (
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186 | SELECT ProjectId, ParentProjectId, CAST(ProjectId AS NVARCHAR(MAX)) Path, 1 Distance
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187 | FROM [Project]
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188 | WHERE ProjectId = {0}
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189 | UNION ALL
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190 | SELECT pb.ProjectId, p.ParentProjectId, pb.Path + N', ' + CAST(pb.ProjectId AS NVARCHAR(MAX)), pb.Distance + 1
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191 | FROM [Project] p
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192 | JOIN pbranch pb ON pb.ParentProjectId = p.ProjectId AND p.ParentProjectId <> p.ProjectId AND pb.ParentProjectId <> pb.ProjectId
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193 | )
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194 | SELECT TOP(1) pro.*
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195 | FROM pbranch, [Project] pro
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196 | WHERE pbranch.ParentProjectId = pro.ProjectId
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197 | AND pro.OwnerUserId = {1}
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198 | ORDER BY pbranch.Distance DESC
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199 | ";
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200 | #endregion
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201 | }
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202 | }
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