forked from h2database/h2database
/
data-change-delta-table.sql
417 lines (338 loc) · 8.26 KB
/
data-change-delta-table.sql
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
-- Copyright 2004-2022 H2 Group. Multiple-Licensed under the MPL 2.0,
-- and the EPL 1.0 (https://h2database.com/html/license.html).
-- Initial Developer: H2 Group
--
CREATE TABLE TEST(ID BIGINT AUTO_INCREMENT PRIMARY KEY, A INT, B INT);
> ok
CREATE TRIGGER T1 BEFORE INSERT, UPDATE ON TEST FOR EACH ROW CALL "org.h2.test.scripts.Trigger1";
> ok
-- INSERT
SELECT * FROM OLD TABLE (INSERT INTO TEST(A, B) VALUES (100, 100));
> exception SYNTAX_ERROR_2
SELECT * FROM NEW TABLE (INSERT INTO TEST(A, B) VALUES (1, 2));
> ID A B
> -- - -
> 1 1 2
> rows: 1
SELECT * FROM FINAL TABLE (INSERT INTO TEST(A, B) VALUES (2, 3));
> ID A B
> -- - --
> 2 2 30
> rows: 1
-- INSERT from SELECT
SELECT * FROM NEW TABLE (INSERT INTO TEST(A, B) SELECT * FROM VALUES (3, 4), (4, 5));
> ID A B
> -- - -
> 3 3 4
> 4 4 5
> rows: 2
SELECT * FROM FINAL TABLE (INSERT INTO TEST(A, B) SELECT * FROM VALUES (5, 6), (6, 7));
> ID A B
> -- - --
> 5 5 60
> 6 6 70
> rows: 2
-- UPDATE
SELECT * FROM OLD TABLE (UPDATE TEST SET B = 3 WHERE ID = 1);
> ID A B
> -- - --
> 1 1 20
> rows: 1
SELECT * FROM NEW TABLE (UPDATE TEST SET B = 3 WHERE ID = 1);
> ID A B
> -- - -
> 1 1 3
> rows: 1
SELECT * FROM FINAL TABLE (UPDATE TEST SET B = 3 WHERE ID = 1);
> ID A B
> -- - --
> 1 1 30
> rows: 1
-- DELETE
SELECT * FROM OLD TABLE (DELETE FROM TEST WHERE ID = 1);
> ID A B
> -- - --
> 1 1 30
> rows: 1
SELECT * FROM OLD TABLE (DELETE FROM TEST WHERE ID = ?);
{
2
> ID A B
> -- - --
> 2 2 30
> rows: 1
100
> ID A B
> -- - -
> rows: 0
};
> update count: 0
SELECT * FROM NEW TABLE (DELETE FROM TEST);
> exception SYNTAX_ERROR_2
SELECT * FROM FINAL TABLE (DELETE FROM TEST);
> exception SYNTAX_ERROR_2
SELECT * FROM TEST TABLE (DELETE FROM TEST);
> exception SYNTAX_ERROR_2
-- MERGE INTO
SELECT * FROM OLD TABLE (MERGE INTO TEST KEY(ID) VALUES (3, 3, 5), (7, 7, 8));
> ID A B
> -- - --
> 3 3 40
> rows: 1
SELECT * FROM NEW TABLE (MERGE INTO TEST KEY(ID) VALUES (4, 4, 6), (8, 8, 9));
> ID A B
> -- - -
> 4 4 6
> 8 8 9
> rows: 2
SELECT * FROM FINAL TABLE (MERGE INTO TEST KEY(ID) VALUES (5, 5, 7), (9, 9, 10));
> ID A B
> -- - ---
> 5 5 70
> 9 9 100
> rows: 2
-- MERGE INTO from SELECT
SELECT * FROM OLD TABLE (MERGE INTO TEST KEY(ID) SELECT * FROM VALUES (3, 3, 6), (10, 10, 11));
> ID A B
> -- - --
> 3 3 50
> rows: 1
SELECT * FROM NEW TABLE (MERGE INTO TEST KEY(ID) SELECT * FROM VALUES (4, 4, 7), (11, 11, 12));
> ID A B
> -- -- --
> 11 11 12
> 4 4 7
> rows: 2
SELECT * FROM FINAL TABLE (MERGE INTO TEST KEY(ID) SELECT * FROM VALUES (5, 5, 8), (12, 12, 13));
> ID A B
> -- -- ---
> 12 12 130
> 5 5 80
> rows: 2
-- MERGE USING
SELECT * FROM OLD TABLE (MERGE INTO TEST USING
(VALUES (3, 3, 7), (10, 10, 12), (13, 13, 14)) S(ID, A, B)
ON TEST.ID = S.ID
WHEN MATCHED AND S.ID = 3 THEN UPDATE SET TEST.B = S.B
WHEN MATCHED AND S.ID <> 3 THEN DELETE
WHEN NOT MATCHED THEN INSERT VALUES (S.ID, S.A, S.B));
> ID A B
> -- -- ---
> 10 10 110
> 3 3 60
> rows: 2
SELECT * FROM NEW TABLE (MERGE INTO TEST USING
(VALUES (4, 4, 8), (11, 11, 13), (14, 14, 15)) S(ID, A, B)
ON TEST.ID = S.ID
WHEN MATCHED AND S.ID = 4 THEN UPDATE SET TEST.B = S.B
WHEN MATCHED AND S.ID <> 4 THEN DELETE
WHEN NOT MATCHED THEN INSERT VALUES (S.ID, S.A, S.B));
> ID A B
> -- -- --
> 14 14 15
> 4 4 8
> rows: 2
SELECT * FROM FINAL TABLE (MERGE INTO TEST USING
(VALUES (5, 5, 9), (12, 12, 15), (15, 15, 16)) S(ID, A, B)
ON TEST.ID = S.ID
WHEN MATCHED AND S.ID = 5 THEN UPDATE SET TEST.B = S.B
WHEN MATCHED AND S.ID <> 5 THEN DELETE
WHEN NOT MATCHED THEN INSERT VALUES (S.ID, S.A, S.B));
> ID A B
> -- -- ---
> 15 15 160
> 5 5 90
> rows: 2
-- REPLACE
SELECT * FROM OLD TABLE (REPLACE INTO TEST VALUES (3, 3, 8), (16, 16, 17));
> exception SYNTAX_ERROR_2
SELECT * FROM NEW TABLE (REPLACE INTO TEST VALUES (4, 4, 9), (17, 17, 18));
> exception SYNTAX_ERROR_2
SELECT * FROM FINAL TABLE (REPLACE INTO TEST VALUES (5, 5, 10), (18, 18, 19));
> exception SYNTAX_ERROR_2
SET MODE MySQL;
> ok
SELECT * FROM OLD TABLE (REPLACE INTO TEST VALUES (3, 3, 8), (16, 16, 17));
> ID A B
> -- - --
> 3 3 70
> rows: 1
SELECT * FROM NEW TABLE (REPLACE INTO TEST VALUES (4, 4, 9), (17, 17, 18));
> ID A B
> -- -- --
> 17 17 18
> 4 4 9
> rows: 2
SELECT * FROM FINAL TABLE (REPLACE INTO TEST VALUES (5, 5, 10), (18, 18, 19));
> ID A B
> -- -- ---
> 18 18 190
> 5 5 100
> rows: 2
-- REPLACE from SELECT
SELECT * FROM OLD TABLE (REPLACE INTO TEST SELECT * FROM VALUES (3, 3, 9), (19, 19, 20));
> ID A B
> -- - --
> 3 3 80
> rows: 1
SELECT * FROM NEW TABLE (REPLACE INTO TEST SELECT * FROM VALUES (4, 4, 10), (20, 20, 21));
> ID A B
> -- -- --
> 20 20 21
> 4 4 10
> rows: 2
SELECT * FROM FINAL TABLE (REPLACE INTO TEST SELECT * FROM VALUES (5, 5, 11), (21, 21, 22));
> ID A B
> -- -- ---
> 21 21 220
> 5 5 110
> rows: 2
SET MODE Regular;
> ok
TRUNCATE TABLE TEST RESTART IDENTITY;
> update count: 16
CREATE VIEW TEST_VIEW AS SELECT * FROM TEST;
> ok
CREATE TRIGGER T2 INSTEAD OF INSERT, UPDATE, DELETE ON TEST_VIEW FOR EACH ROW CALL "org.h2.test.scripts.Trigger2";
> ok
-- INSERT
SELECT * FROM NEW TABLE (INSERT INTO TEST_VIEW(A, B) VALUES (1, 2));
> ID A B
> ---- - -
> null 1 2
> rows: 1
SELECT * FROM FINAL TABLE (INSERT INTO TEST_VIEW(A, B) VALUES (2, 3));
> ID A B
> -- - --
> 2 2 30
> rows: 1
-- INSERT from SELECT
SELECT * FROM NEW TABLE (INSERT INTO TEST_VIEW(A, B) SELECT * FROM VALUES (3, 4), (4, 5));
> ID A B
> ---- - -
> null 3 4
> null 4 5
> rows: 2
SELECT * FROM FINAL TABLE (INSERT INTO TEST_VIEW(A, B) SELECT * FROM VALUES (5, 6), (6, 7));
> ID A B
> -- - --
> 5 5 60
> 6 6 70
> rows: 2
-- UPDATE
SELECT * FROM OLD TABLE (UPDATE TEST_VIEW SET B = 3 WHERE ID = 1);
> ID A B
> -- - --
> 1 1 20
> rows: 1
SELECT * FROM NEW TABLE (UPDATE TEST_VIEW SET B = 3 WHERE ID = 1);
> ID A B
> -- - -
> 1 1 3
> rows: 1
SELECT * FROM FINAL TABLE (UPDATE TEST_VIEW SET B = 3 WHERE ID = 1);
> ID A B
> -- - --
> 1 1 30
> rows: 1
-- DELETE
SELECT * FROM OLD TABLE (DELETE FROM TEST_VIEW WHERE ID = 1);
> ID A B
> -- - --
> 1 1 30
> rows: 1
SELECT * FROM OLD TABLE (DELETE FROM TEST_VIEW WHERE ID = ?);
{
2
> ID A B
> -- - --
> 2 2 30
> rows: 1
100
> ID A B
> -- - -
> rows: 0
};
> update count: 0
-- MERGE INTO
SELECT * FROM OLD TABLE (MERGE INTO TEST_VIEW KEY(ID) VALUES (3, 3, 5), (7, 7, 8));
> ID A B
> -- - --
> 3 3 40
> rows: 1
SELECT * FROM NEW TABLE (MERGE INTO TEST_VIEW KEY(ID) VALUES (4, 4, 6), (8, 8, 9));
> ID A B
> -- - -
> 4 4 6
> 8 8 9
> rows: 2
SELECT * FROM FINAL TABLE (MERGE INTO TEST_VIEW KEY(ID) VALUES (5, 5, 7), (9, 9, 10));
> ID A B
> -- - ---
> 5 5 70
> 9 9 100
> rows: 2
-- MERGE INTO from SELECT
SELECT * FROM OLD TABLE (MERGE INTO TEST_VIEW KEY(ID) SELECT * FROM VALUES (3, 3, 6), (10, 10, 11));
> ID A B
> -- - --
> 3 3 50
> rows: 1
SELECT * FROM NEW TABLE (MERGE INTO TEST_VIEW KEY(ID) SELECT * FROM VALUES (4, 4, 7), (11, 11, 12));
> ID A B
> -- -- --
> 11 11 12
> 4 4 7
> rows: 2
SELECT * FROM FINAL TABLE (MERGE INTO TEST_VIEW KEY(ID) SELECT * FROM VALUES (5, 5, 8), (12, 12, 13));
> ID A B
> -- -- ---
> 12 12 130
> 5 5 80
> rows: 2
-- MERGE USING
SELECT * FROM OLD TABLE (MERGE INTO TEST_VIEW TEST USING
(VALUES (3, 3, 7), (10, 10, 12), (13, 13, 14)) S(ID, A, B)
ON TEST.ID = S.ID
WHEN MATCHED AND S.ID = 3 THEN UPDATE SET TEST.B = S.B
WHEN MATCHED AND S.ID <> 3 THEN DELETE
WHEN NOT MATCHED THEN INSERT VALUES (S.ID, S.A, S.B));
> ID A B
> -- -- ---
> 10 10 110
> 3 3 60
> rows: 2
SELECT * FROM NEW TABLE (MERGE INTO TEST_VIEW TEST USING
(VALUES (4, 4, 8), (11, 11, 13), (14, 14, 15)) S(ID, A, B)
ON TEST.ID = S.ID
WHEN MATCHED AND S.ID = 4 THEN UPDATE SET TEST.B = S.B
WHEN MATCHED AND S.ID <> 4 THEN DELETE
WHEN NOT MATCHED THEN INSERT VALUES (S.ID, S.A, S.B));
> ID A B
> -- -- --
> 14 14 15
> 4 4 8
> rows: 2
DROP TABLE TEST CASCADE;
> ok
CREATE TABLE TEST(ID BIGINT, DATA CHARACTER LARGE OBJECT);
> ok
INSERT INTO TEST VALUES (1, REPEAT('A', 1000));
> update count: 1
SELECT ID FROM FINAL TABLE (INSERT INTO TEST VALUES (2, REPEAT('B', 1000)));
>> 2
SELECT ID, SUBSTRING(DATA FROM 1 FOR 2) FROM TEST;
> ID SUBSTRING(DATA FROM 1 FOR 2)
> -- ----------------------------
> 1 AA
> 2 BB
> rows: 2
@reconnect
SELECT ID, SUBSTRING(DATA FROM 1 FOR 2) FROM TEST;
> ID SUBSTRING(DATA FROM 1 FOR 2)
> -- ----------------------------
> 1 AA
> 2 BB
> rows: 2
DROP TABLE TEST;
> ok