|
0
|
1 using System;
|
|
|
2 using System.Linq;
|
|
|
3
|
|
|
4 using BLToolkit.Data.DataProvider;
|
|
|
5 using BLToolkit.Data.Linq;
|
|
|
6 using BLToolkit.DataAccess;
|
|
|
7
|
|
|
8 using NUnit.Framework;
|
|
|
9
|
|
|
10 namespace Data.Linq
|
|
|
11 {
|
|
|
12 using Model;
|
|
|
13
|
|
|
14 [TestFixture]
|
|
|
15 public class ConcatUnionTest : TestBase
|
|
|
16 {
|
|
|
17 [Test]
|
|
|
18 public void Concat1()
|
|
|
19 {
|
|
|
20 var expected =
|
|
|
21 (from p in Parent where p.ParentID == 1 select p).Concat(
|
|
|
22 (from p in Parent where p.ParentID == 2 select p));
|
|
|
23
|
|
|
24 ForEachProvider(db => AreEqual(expected,
|
|
|
25 (from p in db.Parent where p.ParentID == 1 select p).Concat(
|
|
|
26 (from p in db.Parent where p.ParentID == 2 select p))));
|
|
|
27 }
|
|
|
28
|
|
|
29 [Test]
|
|
|
30 public void Concat11()
|
|
|
31 {
|
|
|
32 ForEachProvider(db => AreEqual(
|
|
|
33 (from ch in Child where ch.ParentID == 1 select ch.Parent).Concat(
|
|
|
34 (from ch in Child where ch.ParentID == 2 select ch.Parent)),
|
|
|
35 (from ch in db.Child where ch.ParentID == 1 select ch.Parent).Concat(
|
|
|
36 (from ch in db.Child where ch.ParentID == 2 select ch.Parent))));
|
|
|
37 }
|
|
|
38
|
|
|
39 [Test]
|
|
|
40 public void Concat12()
|
|
|
41 {
|
|
|
42 ForEachProvider(db => AreEqual(
|
|
|
43 (from p in Parent where p.ParentID == 1 select p).Concat(
|
|
|
44 (from ch in Child where ch.ParentID == 2 select ch.Parent)),
|
|
|
45 (from p in db.Parent where p.ParentID == 1 select p).Concat(
|
|
|
46 (from ch in db.Child where ch.ParentID == 2 select ch.Parent))));
|
|
|
47 }
|
|
|
48
|
|
|
49 [Test]
|
|
|
50 public void Concat2()
|
|
|
51 {
|
|
|
52 var expected =
|
|
|
53 (from p in Parent where p.ParentID == 1 select p).Concat(
|
|
|
54 (from p in Parent where p.ParentID == 2 select p)).Concat(
|
|
|
55 (from p in Parent where p.ParentID == 4 select p));
|
|
|
56
|
|
|
57 ForEachProvider(db => AreEqual(expected,
|
|
|
58 (from p in db.Parent where p.ParentID == 1 select p).Concat(
|
|
|
59 (from p in db.Parent where p.ParentID == 2 select p)).Concat(
|
|
|
60 (from p in db.Parent where p.ParentID == 4 select p))));
|
|
|
61 }
|
|
|
62
|
|
|
63 [Test]
|
|
|
64 public void Concat3()
|
|
|
65 {
|
|
|
66 var expected =
|
|
|
67 (from p in Parent where p.ParentID == 1 select p).Concat(
|
|
|
68 (from p in Parent where p.ParentID == 2 select p).Concat(
|
|
|
69 (from p in Parent where p.ParentID == 4 select p)));
|
|
|
70
|
|
|
71 ForEachProvider(db => AreEqual(expected,
|
|
|
72 (from p in db.Parent where p.ParentID == 1 select p).Concat(
|
|
|
73 (from p in db.Parent where p.ParentID == 2 select p).Concat(
|
|
|
74 (from p in db.Parent where p.ParentID == 4 select p)))));
|
|
|
75 }
|
|
|
76
|
|
|
77 [Test]
|
|
|
78 public void Concat4()
|
|
|
79 {
|
|
|
80 var expected =
|
|
|
81 (from c in Child where c.ParentID == 1 select c).Concat(
|
|
|
82 (from c in Child where c.ParentID == 3 select new Child { ParentID = c.ParentID, ChildID = c.ChildID + 1000 }).
|
|
|
83 Where(c => c.ChildID != 1032));
|
|
|
84
|
|
|
85 ForEachProvider(db => AreEqual(expected,
|
|
|
86 (from c in db.Child where c.ParentID == 1 select c).Concat(
|
|
|
87 (from c in db.Child where c.ParentID == 3 select new Child { ParentID = c.ParentID, ChildID = c.ChildID + 1000 })).
|
|
|
88 Where(c => c.ChildID != 1032)));
|
|
|
89 }
|
|
|
90
|
|
|
91 [Test]
|
|
|
92 public void Concat401()
|
|
|
93 {
|
|
|
94 var expected =
|
|
|
95 (from c in Child where c.ParentID == 1 select c).Concat(
|
|
|
96 (from c in Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000, ParentID = c.ParentID }).
|
|
|
97 Where(c => c.ChildID != 1032));
|
|
|
98
|
|
|
99 ForEachProvider(db => AreEqual(expected,
|
|
|
100 (from c in db.Child where c.ParentID == 1 select c).Concat(
|
|
|
101 (from c in db.Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000, ParentID = c.ParentID })).
|
|
|
102 Where(c => c.ChildID != 1032)));
|
|
|
103 }
|
|
|
104
|
|
|
105 [Test]
|
|
|
106 public void Concat5()
|
|
|
107 {
|
|
|
108 ForEachProvider(
|
|
|
109 new[] { ProviderName.DB2, ProviderName.Informix },
|
|
|
110 db => AreEqual(
|
|
|
111 (from c in Child where c.ParentID == 1 select c).Concat(
|
|
|
112 (from c in Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000 }).
|
|
|
113 Where(c => c.ChildID != 1032)),
|
|
|
114 (from c in db.Child where c.ParentID == 1 select c).Concat(
|
|
|
115 (from c in db.Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000 })).
|
|
|
116 Where(c => c.ChildID != 1032)));
|
|
|
117 }
|
|
|
118
|
|
|
119 [Test]
|
|
|
120 public void Concat501()
|
|
|
121 {
|
|
|
122 ForEachProvider(new[] { ProviderName.DB2, ProviderName.Informix },
|
|
|
123 db => AreEqual(
|
|
|
124 (from c in Child where c.ParentID == 1 select new Child { ParentID = c.ParentID }).Concat(
|
|
|
125 (from c in Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000 }).
|
|
|
126 Where(c => c.ParentID == 1)),
|
|
|
127 (from c in db.Child where c.ParentID == 1 select new Child { ParentID = c.ParentID }).Concat(
|
|
|
128 (from c in db.Child where c.ParentID == 3 select new Child { ChildID = c.ChildID + 1000 })).
|
|
|
129 Where(c => c.ParentID == 1)));
|
|
|
130 }
|
|
|
131
|
|
|
132 [Test]
|
|
|
133 public void Concat502()
|
|
|
134 {
|
|
|
135 ForEachProvider(new[] { ProviderName.DB2, ProviderName.Informix },
|
|
|
136 db => AreEqual(
|
|
|
137 (from c in Child where c.ParentID == 1 select c.Parent).Concat(
|
|
|
138 (from c in Child where c.ParentID == 3 select c.Parent).
|
|
|
139 Where(p => p.Value1.Value != 2)),
|
|
|
140 (from c in db.Child where c.ParentID == 1 select c.Parent).Concat(
|
|
|
141 (from c in db.Child where c.ParentID == 3 select c.Parent)).
|
|
|
142 Where(p => p.Value1.Value != 2)));
|
|
|
143 }
|
|
|
144
|
|
|
145 [Test]
|
|
|
146 public void Concat6()
|
|
|
147 {
|
|
|
148 ForEachProvider(new[] { ProviderName.SqlCe },
|
|
|
149 db => AreEqual(
|
|
|
150 Child.Where(c => c.GrandChildren.Count == 2).Concat( Child.Where(c => c.GrandChildren.Count() == 3)),
|
|
|
151 db.Child.Where(c => c.GrandChildren.Count == 2).Concat(db.Child.Where(c => c.GrandChildren.Count() == 3))));
|
|
|
152 }
|
|
|
153
|
|
|
154 [Test]
|
|
|
155 public void Concat7([IncludeDataContexts("Northwind")] string context)
|
|
|
156 {
|
|
|
157 using (var db = new NorthwindDB())
|
|
|
158 AreEqual(
|
|
|
159 Customer.Where(c => c.Orders.Count <= 1).Concat( Customer.Where(c => c.Orders.Count > 1)),
|
|
|
160 db.Customer.Where(c => c.Orders.Count <= 1).Concat(db.Customer.Where(c => c.Orders.Count > 1)));
|
|
|
161 }
|
|
|
162
|
|
|
163 [Test]
|
|
|
164 public void Concat81()
|
|
|
165 {
|
|
|
166 ForEachProvider(
|
|
|
167 db => AreEqual(
|
|
|
168 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, }).Concat(
|
|
|
169 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, })),
|
|
|
170 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, }).Concat(
|
|
|
171 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, }))));
|
|
|
172 }
|
|
|
173
|
|
|
174 [Test]
|
|
|
175 public void Concat82()
|
|
|
176 {
|
|
|
177 ForEachProvider(
|
|
|
178 db => AreEqual(
|
|
|
179 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, }).Concat(
|
|
|
180 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, })),
|
|
|
181 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, }).Concat(
|
|
|
182 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, }))));
|
|
|
183 }
|
|
|
184
|
|
|
185 [Test]
|
|
|
186 public void Concat83()
|
|
|
187 {
|
|
|
188 ForEachProvider(
|
|
|
189 db => AreEqual(
|
|
|
190 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.Value1 ?? 0, }).Concat(
|
|
|
191 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, ID3 = c.ParentID + 1, })),
|
|
|
192 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.Value1 ?? 0, }).Concat(
|
|
|
193 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, ID3 = c.ParentID + 1, }))));
|
|
|
194 }
|
|
|
195
|
|
|
196 [Test]
|
|
|
197 public void Concat84()
|
|
|
198 {
|
|
|
199 ForEachProvider(
|
|
|
200 db => AreEqual(
|
|
|
201 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, ID3 = c.ParentID + 1, }).Concat(
|
|
|
202 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.Value1 ?? 0, })),
|
|
|
203 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ChildID, ID3 = c.ParentID + 1, }).Concat(
|
|
|
204 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.Value1 ?? 0, }))));
|
|
|
205 }
|
|
|
206
|
|
|
207 [Test]
|
|
|
208 public void Concat85()
|
|
|
209 {
|
|
|
210 ForEachProvider(
|
|
|
211 db => AreEqual(
|
|
|
212 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.Value1 ?? 0, ID3 = c.ParentID, }).Concat(
|
|
|
213 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, })),
|
|
|
214 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.Value1 ?? 0, ID3 = c.ParentID, }).Concat(
|
|
|
215 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, }))));
|
|
|
216 }
|
|
|
217
|
|
|
218 [Test]
|
|
|
219 public void Concat851()
|
|
|
220 {
|
|
|
221 ForEachProvider(
|
|
|
222 db => AreEqual(
|
|
|
223 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.ParentID, }).Concat(
|
|
|
224 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, })),
|
|
|
225 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID, ID3 = c.ParentID, }).Concat(
|
|
|
226 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, }))));
|
|
|
227 }
|
|
|
228
|
|
|
229 [Test]
|
|
|
230 public void Concat86()
|
|
|
231 {
|
|
|
232 ForEachProvider(
|
|
|
233 db => AreEqual(
|
|
|
234 Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, }).Concat(
|
|
|
235 Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.Value1 ?? 0, ID3 = c.ParentID, })),
|
|
|
236 db.Child. Select(c => new { ID1 = c.ParentID, ID2 = c.ParentID + 1, ID3 = c.ChildID, }).Concat(
|
|
|
237 db.Parent.Select(c => new { ID1 = c.ParentID, ID2 = c.Value1 ?? 0, ID3 = c.ParentID, }))));
|
|
|
238 }
|
|
|
239
|
|
|
240 [Test]
|
|
|
241 public void Concat87()
|
|
|
242 {
|
|
|
243 ForEachProvider(
|
|
|
244 new[] { ProviderName.Informix },
|
|
|
245 db => AreEqual(
|
|
|
246 Child. Select(c => new Parent { ParentID = c.ParentID }).Concat(
|
|
|
247 Parent.Select(c => new Parent { Value1 = c.Value1 })),
|
|
|
248 db.Child. Select(c => new Parent { ParentID = c.ParentID }).Concat(
|
|
|
249 db.Parent.Select(c => new Parent { Value1 = c.Value1 }))));
|
|
|
250 }
|
|
|
251
|
|
|
252 [Test]
|
|
|
253 public void Concat871()
|
|
|
254 {
|
|
|
255 ForEachProvider(
|
|
|
256 new[] { ProviderName.Informix },
|
|
|
257 db => AreEqual(
|
|
|
258 Parent.Select(c => new Parent { Value1 = c.Value1 }).Concat(
|
|
|
259 Child. Select(c => new Parent { ParentID = c.ParentID })),
|
|
|
260 db.Parent.Select(c => new Parent { Value1 = c.Value1 }).Concat(
|
|
|
261 db.Child. Select(c => new Parent { ParentID = c.ParentID }))));
|
|
|
262 }
|
|
|
263
|
|
|
264 [Test]
|
|
|
265 public void Concat88()
|
|
|
266 {
|
|
|
267 ForEachProvider(
|
|
|
268 db => AreEqual(
|
|
|
269 Child. Select(c => new Parent { Value1 = c.ChildID, ParentID = c.ParentID }).Concat(
|
|
|
270 Parent.Select(c => new Parent { ParentID = c.ParentID, Value1 = c.Value1 })),
|
|
|
271 db.Child. Select(c => new Parent { Value1 = c.ChildID, ParentID = c.ParentID }).Concat(
|
|
|
272 db.Parent.Select(c => new Parent { ParentID = c.ParentID, Value1 = c.Value1 }))));
|
|
|
273 }
|
|
|
274
|
|
|
275 [Test]
|
|
|
276 public void Concat89()
|
|
|
277 {
|
|
|
278 ForEachProvider(
|
|
|
279 new[] { ProviderName.Informix },
|
|
|
280 db => AreEqual(
|
|
|
281 Child. Select(c => new Parent { Value1 = c.ParentID, ParentID = c.ParentID }).Concat(
|
|
|
282 Parent.Select(c => new Parent { ParentID = c.ParentID })),
|
|
|
283 db.Child. Select(c => new Parent { Value1 = c.ParentID, ParentID = c.ParentID }).Concat(
|
|
|
284 db.Parent.Select(c => new Parent { ParentID = c.ParentID }))));
|
|
|
285 }
|
|
|
286
|
|
|
287 [Test]
|
|
|
288 public void Union1()
|
|
|
289 {
|
|
|
290 ForEachProvider(db => AreEqual(
|
|
|
291 (from g in GrandChild join ch in Child on g.ChildID equals ch.ChildID select ch).Union(
|
|
|
292 (from ch in Child join p in Parent on ch.ParentID equals p.ParentID select ch)),
|
|
|
293 (from g in db.GrandChild join ch in db.Child on g.ChildID equals ch.ChildID select ch).Union(
|
|
|
294 (from ch in db.Child join p in db.Parent on ch.ParentID equals p.ParentID select ch))));
|
|
|
295 }
|
|
|
296
|
|
|
297 [Test]
|
|
|
298 public void Union2()
|
|
|
299 {
|
|
|
300 ForEachProvider(db => AreEqual(
|
|
|
301 from r in
|
|
|
302 (from g in GrandChild join ch in Child on g.ChildID equals ch.ChildID select ch.ChildID).Union(
|
|
|
303 (from ch in Child join p in Parent on ch.ParentID equals p.ParentID select ch.ChildID))
|
|
|
304 join child in Child on r equals child.ChildID
|
|
|
305 select child,
|
|
|
306 from r in
|
|
|
307 (from g in db.GrandChild join ch in db.Child on g.ChildID equals ch.ChildID select ch.ChildID).Union(
|
|
|
308 (from ch in db.Child join p in db.Parent on ch.ParentID equals p.ParentID select ch.ChildID))
|
|
|
309 join child in db.Child on r equals child.ChildID
|
|
|
310 select child));
|
|
|
311 }
|
|
|
312
|
|
|
313 [Test]
|
|
|
314 public void Union3()
|
|
|
315 {
|
|
|
316 ForEachProvider(db => AreEqual(
|
|
|
317 (from p in Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
318 (from ch in Child select new { id = ch.ParentID, val = false })),
|
|
|
319 (from p in db.Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
320 (from ch in db.Child select new { id = ch.ParentID, val = false }))));
|
|
|
321 }
|
|
|
322
|
|
|
323 [Test]
|
|
|
324 public void Union4()
|
|
|
325 {
|
|
|
326 ForEachProvider(db => AreEqual(
|
|
|
327 (from p in Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
328 (from ch in Child select new { id = ch.ParentID, val = false }))
|
|
|
329 .Select(p => new { p.id, p.val }),
|
|
|
330 (from p in db.Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
331 (from ch in db.Child select new { id = ch.ParentID, val = false }))
|
|
|
332 .Select(p => new { p.id, p.val })));
|
|
|
333 }
|
|
|
334
|
|
|
335 [Test]
|
|
|
336 public void Union41()
|
|
|
337 {
|
|
|
338 ForEachProvider(db => AreEqual(
|
|
|
339 (from p in Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
340 (from ch in Child select new { id = ch.ParentID, val = false }))
|
|
|
341 .Select(p => p),
|
|
|
342 (from p in db.Parent select new { id = p.ParentID, val = true }).Union(
|
|
|
343 (from ch in db.Child select new { id = ch.ParentID, val = false }))
|
|
|
344 .Select(p => p)));
|
|
|
345 }
|
|
|
346
|
|
|
347 [Test]
|
|
|
348 public void Union42()
|
|
|
349 {
|
|
|
350 ForEachProvider(db => AreEqual(
|
|
|
351 (from p in Parent select new { id = p. ParentID, val = true }).Union(
|
|
|
352 (from ch in Child select new { id = ch.ParentID, val = false }))
|
|
|
353 .Select(p => p.val),
|
|
|
354 (from p in db.Parent select new { id = p. ParentID, val = true }).Union(
|
|
|
355 (from ch in db.Child select new { id = ch.ParentID, val = false }))
|
|
|
356 .Select(p => p.val)));
|
|
|
357 }
|
|
|
358
|
|
|
359 [Test]
|
|
|
360 public void Union421()
|
|
|
361 {
|
|
|
362 ForEachProvider(db => AreEqual(
|
|
|
363 (from p in Parent select new { id = p. ParentID, val = true }).Union(
|
|
|
364 (from p in Parent select new { id = p. ParentID, val = false }).Union(
|
|
|
365 (from ch in Child select new { id = ch.ParentID, val = false })))
|
|
|
366 .Select(p => p.val),
|
|
|
367 (from p in db.Parent select new { id = p. ParentID, val = true }).Union(
|
|
|
368 (from p in db.Parent select new { id = p. ParentID, val = false }).Union(
|
|
|
369 (from ch in db.Child select new { id = ch.ParentID, val = false })))
|
|
|
370 .Select(p => p.val)));
|
|
|
371 }
|
|
|
372
|
|
|
373 [Test]
|
|
|
374 public void Union5()
|
|
|
375 {
|
|
|
376 ForEachProvider(
|
|
|
377 new[] { ProviderName.Informix },
|
|
|
378 db => AreEqual(
|
|
|
379 (from p1 in Parent select p1).Union(
|
|
|
380 (from p2 in Parent select new Parent { ParentID = p2.ParentID }))
|
|
|
381 .Select(p => new Parent { ParentID = p.ParentID, Value1 = p.Value1 }),
|
|
|
382 (from p1 in db.Parent select p1).Union(
|
|
|
383 (from p2 in db.Parent select new Parent { ParentID = p2.ParentID }))
|
|
|
384 .Select(p => new Parent { ParentID = p.ParentID, Value1 = p.Value1 })));
|
|
|
385 }
|
|
|
386
|
|
|
387 [Test]
|
|
|
388 public void Union51()
|
|
|
389 {
|
|
|
390 ForEachProvider(
|
|
|
391 new[] { ProviderName.Informix },
|
|
|
392 db => AreEqual(
|
|
|
393 (from p1 in Parent select p1).Union(
|
|
|
394 (from p2 in Parent select new Parent { ParentID = p2.ParentID })),
|
|
|
395 (from p1 in db.Parent select p1).Union(
|
|
|
396 (from p2 in db.Parent select new Parent { ParentID = p2.ParentID }))));
|
|
|
397 }
|
|
|
398
|
|
|
399 [Test]
|
|
|
400 public void Union52()
|
|
|
401 {
|
|
|
402 ForEachProvider(
|
|
|
403 new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
404 db => AreEqual(
|
|
|
405 (from p1 in Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
406 (from p2 in Parent select p2)),
|
|
|
407 (from p1 in db.Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
408 (from p2 in db.Parent select p2))));
|
|
|
409 }
|
|
|
410
|
|
|
411 [Test]
|
|
|
412 public void Union521()
|
|
|
413 {
|
|
|
414 ForEachProvider(
|
|
|
415 new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
416 db => AreEqual(
|
|
|
417 (from p1 in Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
418 (from p2 in Parent select p2))
|
|
|
419 .Select(p => p.Value1),
|
|
|
420 (from p1 in db.Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
421 (from p2 in db.Parent select p2))
|
|
|
422 .Select(p => p.Value1)));
|
|
|
423 }
|
|
|
424
|
|
|
425 [Test]
|
|
|
426 public void Union522()
|
|
|
427 {
|
|
|
428 ForEachProvider(
|
|
|
429 new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
430 db => AreEqual(
|
|
|
431 (from p1 in Parent select new Parent { Value1 = p1.Value1 }).Union(
|
|
|
432 (from p2 in Parent select p2)),
|
|
|
433 (from p1 in db.Parent select new Parent { Value1 = p1.Value1 }).Union(
|
|
|
434 (from p2 in db.Parent select p2))));
|
|
|
435 }
|
|
|
436
|
|
|
437 [Test]
|
|
|
438 public void Union523()
|
|
|
439 {
|
|
|
440 ForEachProvider(
|
|
|
441 new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
442 db => AreEqual(
|
|
|
443 (from p1 in Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
444 (from p2 in Parent select p2)),
|
|
|
445 (from p1 in db.Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
446 (from p2 in db.Parent select p2))));
|
|
|
447 }
|
|
|
448
|
|
|
449 [Test]
|
|
|
450 public void Union53()
|
|
|
451 {
|
|
|
452 ForEachProvider(
|
|
|
453 new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
454 db => AreEqual(
|
|
|
455 (from p1 in Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
456 (from p2 in Parent select new Parent { Value1 = p2.Value1 })),
|
|
|
457 (from p1 in db.Parent select new Parent { ParentID = p1.ParentID }).Union(
|
|
|
458 (from p2 in db.Parent select new Parent { Value1 = p2.Value1 }))));
|
|
|
459 }
|
|
|
460
|
|
|
461 //[Test]
|
|
|
462 public void Union54()
|
|
|
463 {
|
|
|
464 ForEachProvider(
|
|
|
465 //new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
466 db => AreEqual(
|
|
|
467 (from p1 in Parent select new { ParentID = p1.ParentID, p = p1, ch = (Child)null }).Union(
|
|
|
468 (from p2 in Parent select new { ParentID = p2.Value1 ?? 0, p = (Parent)null, ch = p2.Children.First() })),
|
|
|
469 (from p1 in db.Parent select new { ParentID = p1.ParentID, p = p1, ch = (Child)null }).Union(
|
|
|
470 (from p2 in db.Parent select new { ParentID = p2.Value1 ?? 0, p = (Parent)null, ch = p2.Children.First() }))));
|
|
|
471 }
|
|
|
472
|
|
|
473 //[Test]
|
|
|
474 public void Union541()
|
|
|
475 {
|
|
|
476 ForEachProvider(
|
|
|
477 //new[] { ProviderName.Access, ProviderName.Informix },
|
|
|
478 db => AreEqual(
|
|
|
479 (from p1 in Parent select new { ParentID = p1.ParentID, p = p1, ch = (Child)null }).Union(
|
|
|
480 (from p2 in Parent select new { ParentID = p2.Value1 ?? 0, p = (Parent)null, ch = p2.Children.First() }))
|
|
|
481 .Select(p => new { p.ParentID, p.p, p.ch }),
|
|
|
482 (from p1 in db.Parent select new { ParentID = p1.ParentID, p = p1, ch = (Child)null }).Union(
|
|
|
483 (from p2 in db.Parent select new { ParentID = p2.Value1 ?? 0, p = (Parent)null, ch = p2.Children.First() }))
|
|
|
484 .Select(p => new { p.ParentID, p.p, p.ch })));
|
|
|
485 }
|
|
|
486
|
|
|
487 [TableName("Parent")]
|
|
|
488 public abstract class AbstractParent
|
|
|
489 {
|
|
|
490 public abstract int ParentID { get; set; }
|
|
|
491 public abstract int? Value1 { get; set; }
|
|
|
492 }
|
|
|
493
|
|
|
494 [Test]
|
|
|
495 public void UnionAbstract1([DataContexts] string context)
|
|
|
496 {
|
|
|
497 using (var db = GetDataContext(context))
|
|
|
498 {
|
|
|
499 var list = db.GetTable<AbstractParent>().Union(db.GetTable<AbstractParent>()).ToList();
|
|
|
500 Assert.AreEqual(Parent.Count(), list.Count);
|
|
|
501 }
|
|
|
502 }
|
|
|
503
|
|
|
504 [Test]
|
|
|
505 public void ObjectUnion1([DataContexts] string context)
|
|
|
506 {
|
|
|
507 using (var db = GetDataContext(context))
|
|
|
508 AreEqual(
|
|
|
509 (from p1 in Parent where p1.ParentID > 3 select p1).Union(
|
|
|
510 (from p2 in Parent where p2.ParentID <= 3 select p2)),
|
|
|
511 (from p1 in db.Parent where p1.ParentID > 3 select p1).Union(
|
|
|
512 (from p2 in db.Parent where p2.ParentID <= 3 select p2)));
|
|
|
513 }
|
|
|
514
|
|
|
515 //////[Test]
|
|
|
516 public void ObjectUnion2([DataContexts] string context)
|
|
|
517 {
|
|
|
518 using (var db = GetDataContext(context))
|
|
|
519 AreEqual(
|
|
|
520 (from p1 in Parent where p1.ParentID > 3 select p1).Union(
|
|
|
521 (from p2 in Parent where p2.ParentID <= 3 select (Parent)null)),
|
|
|
522 (from p1 in db.Parent where p1.ParentID > 3 select p1).Union(
|
|
|
523 (from p2 in db.Parent where p2.ParentID <= 3 select (Parent)null)));
|
|
|
524 }
|
|
|
525
|
|
|
526 [Test]
|
|
|
527 public void ObjectUnion3([DataContexts] string context)
|
|
|
528 {
|
|
|
529 using (var db = GetDataContext(context))
|
|
|
530 AreEqual(
|
|
|
531 (from p1 in Parent where p1.ParentID > 3 select new { p = p1 }).Union(
|
|
|
532 (from p2 in Parent where p2.ParentID <= 3 select new { p = p2 })),
|
|
|
533 (from p1 in db.Parent where p1.ParentID > 3 select new { p = p1 }).Union(
|
|
|
534 (from p2 in db.Parent where p2.ParentID <= 3 select new { p = p2 })));
|
|
|
535 }
|
|
|
536
|
|
|
537 //////[Test]
|
|
|
538 public void ObjectUnion4([DataContexts] string context)
|
|
|
539 {
|
|
|
540 using (var db = GetDataContext(context))
|
|
|
541 AreEqual(
|
|
|
542 (from p1 in Parent where p1.ParentID > 3 select new { p = new { p = p1, p1.ParentID } }).Union(
|
|
|
543 (from p2 in Parent where p2.ParentID <= 3 select new { p = new { p = p2, p2.ParentID } })),
|
|
|
544 (from p1 in db.Parent where p1.ParentID > 3 select new { p = new { p = p1, p1.ParentID } }).Union(
|
|
|
545 (from p2 in db.Parent where p2.ParentID <= 3 select new { p = new { p = p2, p2.ParentID } })));
|
|
|
546 }
|
|
|
547
|
|
|
548 //////[Test]
|
|
|
549 public void ObjectUnion5([DataContexts] string context)
|
|
|
550 {
|
|
|
551 using (var db = GetDataContext(context))
|
|
|
552 AreEqual(
|
|
|
553 (from p1 in Parent where p1.ParentID > 3 select new { p = new { p = p1, ParentID = p1.ParentID + 1 } }).Union(
|
|
|
554 (from p2 in Parent where p2.ParentID <= 3 select new { p = new { p = p2, ParentID = p2.ParentID + 1 } })),
|
|
|
555 (from p1 in db.Parent where p1.ParentID > 3 select new { p = new { p = p1, ParentID = p1.ParentID + 1 } }).Union(
|
|
|
556 (from p2 in db.Parent where p2.ParentID <= 3 select new { p = new { p = p2, ParentID = p2.ParentID + 1 } })));
|
|
|
557 }
|
|
|
558
|
|
|
559 [Test]
|
|
|
560 public void ObjectUnion()
|
|
|
561 {
|
|
|
562 using (var db = new NorthwindDB())
|
|
|
563 {
|
|
|
564 var q1 =
|
|
|
565 from p in db.Product
|
|
|
566 join c in db.Category on p.CategoryID equals c.CategoryID into g
|
|
|
567 from c in g.DefaultIfEmpty()
|
|
|
568 select new
|
|
|
569 {
|
|
|
570 p,
|
|
|
571 c.CategoryName,
|
|
|
572 p.ProductName
|
|
|
573 };
|
|
|
574
|
|
|
575 var q2 =
|
|
|
576 from p in db.Product
|
|
|
577 join c in db.Category on p.CategoryID equals c.CategoryID into g
|
|
|
578 from c in g.DefaultIfEmpty()
|
|
|
579 select new
|
|
|
580 {
|
|
|
581 p,
|
|
|
582 c.CategoryName,
|
|
|
583 p.ProductName
|
|
|
584 };
|
|
|
585
|
|
|
586 var q = q1.Union(q2).Take(5);
|
|
|
587
|
|
|
588 foreach (var item in q)
|
|
|
589 {
|
|
|
590 Console.WriteLine(item);
|
|
|
591 }
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595 public class TestEntity1 { public int Id; public string Field1; }
|
|
|
596 public class TestEntity2 { public int Id; public string Field1; }
|
|
|
597
|
|
|
598 [Test]
|
|
|
599 public void Concat90()
|
|
|
600 {
|
|
|
601 using(var context = new TestDbManager())
|
|
|
602 {
|
|
|
603 var join1 =
|
|
|
604 from t1 in context.GetTable<TestEntity1>()
|
|
|
605 join t2 in context.GetTable<TestEntity2>()
|
|
|
606 on t1.Id equals t2.Id
|
|
|
607 into tmp
|
|
|
608 from t2 in tmp.DefaultIfEmpty()
|
|
|
609 select new { t1, t2 };
|
|
|
610
|
|
|
611 var join1Sql = join1.ToString();
|
|
|
612 Assert.IsNotNull(join1Sql);
|
|
|
613
|
|
|
614 var join2 =
|
|
|
615 from t2 in context.GetTable<TestEntity2>()
|
|
|
616 join t1 in context.GetTable<TestEntity1>()
|
|
|
617 on t2.Id equals t1.Id
|
|
|
618 into tmp
|
|
|
619 from t1 in tmp.DefaultIfEmpty()
|
|
|
620 where t1 == null
|
|
|
621 select new { t1, t2 };
|
|
|
622
|
|
|
623 var join2Sql = join2.ToString();
|
|
|
624 Assert.IsNotNull(join2Sql);
|
|
|
625
|
|
|
626 var fullJoin = join1.Concat(join2);
|
|
|
627
|
|
|
628 var fullJoinSql = fullJoin.ToString(); // BLToolkit.Data.Linq.LinqException : Types in Concat are constructed incompatibly.
|
|
|
629 Assert.IsNotNull(fullJoinSql);
|
|
|
630 }
|
|
|
631 }
|
|
|
632 }
|
|
|
633 }
|
