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0
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using BLToolkit.Data.DataProvider;
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5 using BLToolkit.Data.Linq;
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6 using BLToolkit.Data.Sql.SqlProvider;
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7 using BLToolkit.DataAccess;
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8 using BLToolkit.Mapping;
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9
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10 using NUnit.Framework;
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11
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12 namespace Data.Linq
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13 {
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14 using Model;
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15
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16 [TestFixture]
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17 public class Inheritance : TestBase
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18 {
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19 [Test]
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20 public void Test1()
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21 {
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22 ForEachProvider(db => AreEqual(ParentInheritance, db.ParentInheritance));
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23 }
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24
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25 [Test]
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26 public void Test2()
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27 {
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28 ForEachProvider(db => AreEqual(ParentInheritance, db.ParentInheritance.Select(p => p)));
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29 }
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30
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31 [Test]
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32 public void Test3()
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33 {
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34 ForEachProvider(db => AreEqual(
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35 from p in ParentInheritance where p is ParentInheritance1 select p,
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36 from p in db.ParentInheritance where p is ParentInheritance1 select p));
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37 }
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38
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39 [Test]
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40 public void Test4()
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41 {
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42 ForEachProvider(db => AreEqual(
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43 from p in ParentInheritance where !(p is ParentInheritanceNull) select p,
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44 from p in db.ParentInheritance where !(p is ParentInheritanceNull) select p));
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45 }
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46
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47 [Test]
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48 public void Test5()
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49 {
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50 ForEachProvider(db => AreEqual(
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51 from p in ParentInheritance where p is ParentInheritanceValue select p,
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52 from p in db.ParentInheritance where p is ParentInheritanceValue select p));
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53 }
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54
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55 [Test]
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56 public void Test6()
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57 {
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58 ForEachProvider(db =>
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59 {
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60 var q = from p in db.ParentInheritance2 where p is ParentInheritance12 select p;
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61 q.ToList();
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62 });
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63 }
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64
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65 [Test]
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66 public void Test7()
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67 {
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68 #pragma warning disable 183
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69 var expected = from p in ParentInheritance where p is ParentInheritanceBase select p;
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70 ForEachProvider(db => AreEqual(expected, from p in db.ParentInheritance where p is ParentInheritanceBase select p));
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71 #pragma warning restore 183
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72 }
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73
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74 [Test]
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75 public void Test8()
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76 {
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77 ForEachProvider(db => AreEqual(
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78 ParentInheritance.OfType<ParentInheritance1>(),
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79 db.ParentInheritance.OfType<ParentInheritance1>()));
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80 }
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81
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82 [Test]
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83 public void Test9()
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84 {
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85 ForEachProvider(db =>
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86 AreEqual(
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87 ParentInheritance
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88 .Where(p => p.ParentID == 1 || p.ParentID == 2 || p.ParentID == 4)
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89 .OfType<ParentInheritanceNull>(),
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90 db.ParentInheritance
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91 .Where(p => p.ParentID == 1 || p.ParentID == 2 || p.ParentID == 4)
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92 .OfType<ParentInheritanceNull>()));
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93 }
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94
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95 [Test]
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96 public void Test10()
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97 {
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98 var expected = ParentInheritance.OfType<ParentInheritanceValue>();
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99 ForEachProvider(db => AreEqual(expected, db.ParentInheritance.OfType<ParentInheritanceValue>()));
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100 }
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101
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102 [Test]
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103 public void Test11()
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104 {
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105 ForEachProvider(db =>
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106 {
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107 var q = from p in db.ParentInheritance3 where p is ParentInheritance13 select p;
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108 q.ToList();
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109 });
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110 }
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111
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112 [Test]
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113 public void Test12()
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114 {
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115 ForEachProvider(db => AreEqual(
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116 from p in ParentInheritance1 where p.ParentID == 1 select p,
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117 from p in db.ParentInheritance1 where p.ParentID == 1 select p));
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118 }
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119
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120 //[Test]
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121 public void Test13()
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122 {
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123 ForEachProvider(db => AreEqual(
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124 from p in ParentInheritance4
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125 join c in Child on p.ParentID equals c.ParentID
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126 select p,
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127 from p in db.ParentInheritance4
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128 join c in db.Child on p.ParentID equals c.ParentID
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129 select p));
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130 }
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131
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132 [Test]
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133 public void TypeCastAsTest1([IncludeDataContexts("Northwind")] string context)
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134 {
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135 using (var db = new NorthwindDB())
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136 AreEqual(
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137 DiscontinuedProduct.ToList()
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138 .Select(p => p as Northwind.Product)
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139 .Select(p => p == null ? "NULL" : p.ProductName),
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140 db.DiscontinuedProduct
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141 .Select(p => p as Northwind.Product)
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142 .Select(p => p == null ? "NULL" : p.ProductName));
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143 }
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144
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145 [Test]
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146 public void TypeCastAsTest11([IncludeDataContexts("Northwind")] string context)
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147 {
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148 using (var db = new NorthwindDB())
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149 AreEqual(
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150 DiscontinuedProduct.ToList()
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151 .Select(p => new { p = p as Northwind.Product })
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152 .Select(p => p.p == null ? "NULL" : p.p.ProductName),
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153 db.DiscontinuedProduct
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154 .Select(p => new { p = p as Northwind.Product })
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155 .Select(p => p.p == null ? "NULL" : p.p.ProductName));
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156 }
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157
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158 [Test]
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159 public void TypeCastAsTest2([IncludeDataContexts("Northwind")] string context)
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160 {
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161 using (var db = new NorthwindDB())
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162 AreEqual(
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163 Product.ToList()
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164 .Select(p => p as Northwind.DiscontinuedProduct)
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165 .Select(p => p == null ? "NULL" : p.ProductName),
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166 db.Product
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167 .Select(p => p as Northwind.DiscontinuedProduct)
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168 .Select(p => p == null ? "NULL" : p.ProductName));
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169 }
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170
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171 [Test]
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172 public void FirstOrDefault([IncludeDataContexts("Northwind")] string context)
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173 {
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174 using (var db = new NorthwindDB())
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175 Assert.AreEqual(
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176 DiscontinuedProduct.FirstOrDefault().ProductID,
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177 db.DiscontinuedProduct.FirstOrDefault().ProductID);
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178 }
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179
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180 [Test]
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181 public void Cast1()
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182 {
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183 ForEachProvider(db => AreEqual(
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184 ParentInheritance.OfType<ParentInheritance1>().Cast<ParentInheritanceBase>(),
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185 db.ParentInheritance.OfType<ParentInheritance1>().Cast<ParentInheritanceBase>()));
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186 }
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187
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188 class ParentEx : Parent
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189 {
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190 [MapIgnore]
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191 protected bool Field1;
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192
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193 public static void Test(Inheritance inheritance)
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194 {
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195 inheritance.ForEachProvider(db => inheritance.AreEqual(
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196 inheritance.Parent.Select(p => new ParentEx { Field1 = true, ParentID = p.ParentID, Value1 = p.Value1 }).Cast<Parent>(),
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197 db.Parent.Select(p => new ParentEx { Field1 = true, ParentID = p.ParentID, Value1 = p.Value1 }).Cast<Parent>()));
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198 }
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199 }
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200
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201 [Test]
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202 public void Cast2()
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203 {
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204 ParentEx.Test(this);
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205 }
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206
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207 [TableName("Person")]
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208 class PersonEx : Person
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209 {
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210 }
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211
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212 [Test]
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213 public void SimplTest()
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214 {
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215 using (var db = new TestDbManager())
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216 Assert.AreEqual(1, db.GetTable<PersonEx>().Where(_ => _.FirstName == "John").Select(_ => _.ID).Single());
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217 }
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218
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219 [InheritanceMapping(Code = 1, Type = typeof(Parent222))]
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220 [TableName("Parent")]
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221 public class Parent111
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222 {
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223 [MapField(IsInheritanceDiscriminator = true)]
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224 public int ParentID;
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225 }
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226
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227 [MapField("Value1", "Value.ID")]
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228 public class Parent222 : Parent111
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229 {
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230 [MapIgnore]
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231 public Value111 Value;
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232 }
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233
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234 public class Value111
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235 {
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236 public int ID;
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237 }
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238
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239 [Test]
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240 public void InheritanceMappingIssueTest()
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241 {
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242 using (var db = new TestDbManager())
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243 {
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244 var q1 = db.GetTable<Parent222>();
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245 var q = q1.Where(_ => _.Value.ID == 1);
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246
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247 var sql = ((ExpressionQuery<Parent222>)q).SqlText;
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248 Assert.IsNotEmpty(sql);
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249 }
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250 }
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251
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252 [Test]
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253 public void ReferenceNavigation([IncludeDataContexts("Northwind")] string context)
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254 {
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255 using (var db = new NorthwindDB())
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256 {
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257 var result =
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258 from od in db.OrderDetail
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259 where od.Product.Category.CategoryName == "Seafood"
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260 select new { od.Order, od.Product };
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261
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262 var list = result.ToList();
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263
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264 Assert.AreEqual(330, list.Count);
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265
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266 foreach (var item in list)
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267 {
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268 Assert.IsNotNull(item);
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269 Assert.IsNotNull(item.Order);
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270 Assert.IsNotNull(item.Product);
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271 Assert.IsTrue(
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272 item.Product.Discontinued && item.Product is Northwind.DiscontinuedProduct ||
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273 !item.Product.Discontinued && item.Product is Northwind.ActiveProduct);
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274 }
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275 }
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276 }
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277
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278 [Test]
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279 public void TypeCastIsChildConditional1([IncludeDataContexts("Northwind")] string context)
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280 {
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281 using (var db = new NorthwindDB())
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282 {
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283 var result = db.Product. Select(x => x is Northwind.DiscontinuedProduct ? x : null);
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284 var expected = db.Product.ToList().Select(x => x is Northwind.DiscontinuedProduct ? x : null);
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285
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286 var list = result.ToList();
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287
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288 Assert.Greater(list.Count, 0);
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289 Assert.AreEqual(expected.Count(), list.Count);
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290 Assert.IsTrue(list.Except(expected).Count() == 0);
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291 Assert.IsTrue(list.Contains(null));
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292 }
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293 }
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294
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295 [Test]
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296 public void TypeCastIsChildConditional2([IncludeDataContexts("Northwind")] string context)
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297 {
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298 using (var db = new NorthwindDB())
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299 {
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300 var result = db.Product. Select(x => x is Northwind.DiscontinuedProduct);
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301 var expected = db.Product.ToList().Select(x => x is Northwind.DiscontinuedProduct);
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302
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303 var list = result.ToList();
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304
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305 Assert.Greater(list.Count, 0);
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306 Assert.AreEqual(expected.Count(), list.Count);
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307 Assert.IsTrue(list.Except(expected).Count() == 0);
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308 }
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309 }
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310
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311 [Test]
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312 public void TypeCastIsChild([IncludeDataContexts("Northwind")] string context)
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313 {
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314 using (var db = new NorthwindDB())
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315 {
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316 var result = db.Product.Where(x => x is Northwind.DiscontinuedProduct).ToList();
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317 var expected = Product.Where(x => x is Northwind.DiscontinuedProduct).ToList();
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318
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319 Assert.Greater(result.Count, 0);
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320 Assert.AreEqual(result.Count, expected.Count);
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321 }
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322 }
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323
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324 #region Models for Test14
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325
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326 interface IChildTest14
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327 {
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328 int ChildID { get; set; }
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329 }
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330
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331 [TableName("Child")]
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332 class ChildTest14 : IChildTest14
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333 {
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334 [PrimaryKey]
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335 public int ChildID { get; set; }
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336
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337 }
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338
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339 T FindById<T>(IQueryable<T> queryable, int id)
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340 where T : IChildTest14
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341 {
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342 return queryable.Where(x => x.ChildID == id).FirstOrDefault();
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343 }
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344
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345 #endregion
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346
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347 [Test]
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348 public void Test14()
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349 {
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350 ForEachProvider(db =>
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351 {
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352 var q = db.GetTable<ChildTest14>().Select(c => new ChildTest14() { ChildID = c.ChildID });
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353 FindById(q, 10);
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354 });
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355 }
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356
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357 [Test]
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358 public void Test15([IncludeDataContexts("Northwind")] string context)
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359 {
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360 using (var db = new NorthwindDB())
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361 {
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362 var result = db.DiscontinuedProduct.Select(p => p).ToList();
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363 var expected = DiscontinuedProduct.Select(p => p).ToList();
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364
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365 Assert.That(result.Count, Is.Not.EqualTo(0).And.EqualTo(expected.Count));
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366 }
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367 }
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368
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369 [Test]
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370 public void Test16([IncludeDataContexts("Northwind")] string context)
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371 {
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372 using (var db = new NorthwindDB())
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373 {
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374 var result = db.DiscontinuedProduct.ToList();
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375 var expected = DiscontinuedProduct.ToList();
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376
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377 Assert.That(result.Count, Is.Not.EqualTo(0).And.EqualTo(expected.Count));
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378 }
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379 }
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380
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381 public enum TypeCodeEnum
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382 {
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383 Base,
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384 A,
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385 A1,
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386 A2,
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387 }
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388
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389 [TableName("LinqDataTypes")]
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390 public abstract class InheritanceBase
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391 {
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392 public Guid GuidValue { get; set; }
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393
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394 [MapField("ID")]
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395 public virtual TypeCodeEnum TypeCode
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396 {
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397 get { return TypeCodeEnum.Base; }
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398 }
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399 }
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400
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401 [InheritanceMapping(Code = TypeCodeEnum.A1, Type = typeof(InheritanceA1), IsDefault = false)]
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402 [InheritanceMapping(Code = TypeCodeEnum.A2, Type = typeof(InheritanceA2), IsDefault = true)]
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403 public abstract class InheritanceA : InheritanceBase
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404 {
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405 [Association(CanBeNull = true, ThisKey = "GuidValue", OtherKey = "GuidValue")]
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406 public List<InheritanceB> Bs { get; set; }
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407
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408 [MapField("ID", IsInheritanceDiscriminator = true)]
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409 public override TypeCodeEnum TypeCode
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410 {
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411 get { return TypeCodeEnum.A; }
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412 }
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413 }
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414
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415 class InheritanceA1 : InheritanceA
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416 {
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417 [MapField("ID", IsInheritanceDiscriminator = true)]
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418 public override TypeCodeEnum TypeCode
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419 {
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420 get { return TypeCodeEnum.A1; }
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421 }
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422 }
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423
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424 class InheritanceA2 : InheritanceA
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425 {
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426 [MapField("ID", IsInheritanceDiscriminator = true)]
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427 public override TypeCodeEnum TypeCode
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428 {
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429 get { return TypeCodeEnum.A2; }
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430 }
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431 }
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432
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433 public class InheritanceB : InheritanceBase
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434 {
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435 }
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436
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437 [Test]
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438 public void GuidTest()
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439 {
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440 using (var db = new TestDbManager())
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441 {
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442 var list = db.GetTable<InheritanceA>().Where(a => a.Bs.Any()).ToList();
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443 }
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444 }
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445
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446 [Test]
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447 public void QuerySyntaxSimpleTest()
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448 {
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449 ForEachProvider(db =>
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450 {
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451 // db.GetTable<Parent111>().OfType<Parent222>().ToList(); - it's work!!!
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452 (from p in db.GetTable<Parent111>().OfType<Parent222>() select p).ToList();
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453 });
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454 }
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455
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456 [TableName("Person")]
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457 [InheritanceMapping(Code = 1, Type = typeof(Test17John))]
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458 [InheritanceMapping(Code = 2, Type = typeof(Test17Tester))]
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459 public class Test17Person
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460 {
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461 [MapField(IsInheritanceDiscriminator = true)]
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462 public int PersonID { get; set; }
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463 }
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464
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465 public class Test17John : Test17Person
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466 {
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467 public string FirstName { get; set; }
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468 }
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469
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470 public class Test17Tester : Test17Person
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471 {
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472 public string LastName { get; set; }
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473 }
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474
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475 [Test]
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476 public void Test17()
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477 {
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478 ForEachProvider(context =>
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479 {
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480 if (context is TestDbManager)
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481 {
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482 var db = (TestDbManager)context;
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483 db.GetTable<Test17Person>().OfType<Test17John>().ToList();
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484 Assert.False(db.LastQuery.ToLowerInvariant().Contains("lastname"), "Why select LastName field??");
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485 }
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486 });
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487 }
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488
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489 [TableName("Person")]
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490 [InheritanceMapping(Code = Gender.Male, Type = typeof(Test18Male))]
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491 [InheritanceMapping(Code = Gender.Female, Type = typeof(Test18Female))]
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492 public class Test18Person
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493 {
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494 [PrimaryKey, NonUpdatable(IsIdentity = true, OnInsert = true, OnUpdate = true), SequenceName("PERSONID")]
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495 public int PersonID { get; set; }
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496 [MapField(IsInheritanceDiscriminator = true)]
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497 public Gender Gender { get; set; }
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498 }
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499
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500 public class Test18Male : Test18Person
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501 {
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502 public string FirstName { get; set; }
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503 }
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504
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505 public class Test18Female : Test18Person
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506 {
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507 public string FirstName { get; set; }
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508 public string LastName { get; set; }
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509 }
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510
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511 [Test]
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512 public void Test18()
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513 {
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514 ForEachProvider(db =>
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515 {
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516 var ids = Enumerable.Range(0, 10).ToList();
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517 var q =
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518 from p1 in db.GetTable<Test18Person>()
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519 where ids.Contains(p1.PersonID)
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520 join p2 in db.GetTable<Test18Person>() on p1.PersonID equals p2.PersonID
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521 select p1;
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522
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523 var list = q.Distinct().OfType<Test18Female>().ToList();
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524 });
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525 }
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526
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527 [Test]
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528 public void Test19()
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529 {
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530 ForEachProvider(db =>
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531 {
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532 var ids = Enumerable.Range(0, 10).ToList();
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533 var q =
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534 from p1 in db.GetTable<Test18Person>()
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535 where ids.Contains(p1.PersonID)
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536 join p2 in db.GetTable<Test18Person>() on p1.PersonID equals p2.PersonID
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537 select p1;
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538
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539 IQueryable iq = q.Distinct();
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540 var list = iq.OfType<Test18Female>().ToList();
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541 });
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542 }
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543 }
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544 }
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