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1 # 2005 February 19 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
6 # May you do good and not evil. | |
7 # May you find forgiveness for yourself and forgive others. | |
8 # May you share freely, never taking more than you give. | |
9 # | |
10 #************************************************************************* | |
11 # This file implements regression tests for SQLite library. The | |
12 # focus of this script is testing that SQLite can handle a subtle | |
13 # file format change that may be used in the future to implement | |
14 # "ALTER TABLE ... ADD COLUMN". | |
15 # | |
16 # $Id: alter3.test,v 1.11 2008/03/19 00:21:31 drh Exp $ | |
17 # | |
18 | |
19 set testdir [file dirname $argv0] | |
20 | |
21 source $testdir/tester.tcl | |
22 | |
23 # If SQLITE_OMIT_ALTERTABLE is defined, omit this file. | |
24 ifcapable !altertable { | |
25 finish_test | |
26 return | |
27 } | |
28 | |
29 # Determine if there is a codec available on this test. | |
30 # | |
31 if {[catch {sqlite3 -has-codec} r] || $r} { | |
32 set has_codec 1 | |
33 } else { | |
34 set has_codec 0 | |
35 } | |
36 | |
37 | |
38 # Test Organisation: | |
39 # ------------------ | |
40 # | |
41 # alter3-1.*: Test that ALTER TABLE correctly modifies the CREATE TABLE sql. | |
42 # alter3-2.*: Test error messages. | |
43 # alter3-3.*: Test adding columns with default value NULL. | |
44 # alter3-4.*: Test adding columns with default values other than NULL. | |
45 # alter3-5.*: Test adding columns to tables in ATTACHed databases. | |
46 # alter3-6.*: Test that temp triggers are not accidentally dropped. | |
47 # alter3-7.*: Test that VACUUM resets the file-format. | |
48 # | |
49 | |
50 # This procedure returns the value of the file-format in file 'test.db'. | |
51 # | |
52 proc get_file_format {{fname test.db}} { | |
53 return [hexio_get_int [hexio_read $fname 44 4]] | |
54 } | |
55 | |
56 do_test alter3-1.1 { | |
57 execsql { | |
58 PRAGMA legacy_file_format=ON; | |
59 CREATE TABLE abc(a, b, c); | |
60 SELECT sql FROM sqlite_master; | |
61 } | |
62 } {{CREATE TABLE abc(a, b, c)}} | |
63 do_test alter3-1.2 { | |
64 execsql {ALTER TABLE abc ADD d INTEGER;} | |
65 execsql { | |
66 SELECT sql FROM sqlite_master; | |
67 } | |
68 } {{CREATE TABLE abc(a, b, c, d INTEGER)}} | |
69 do_test alter3-1.3 { | |
70 execsql {ALTER TABLE abc ADD e} | |
71 execsql { | |
72 SELECT sql FROM sqlite_master; | |
73 } | |
74 } {{CREATE TABLE abc(a, b, c, d INTEGER, e)}} | |
75 do_test alter3-1.4 { | |
76 execsql { | |
77 CREATE TABLE main.t1(a, b); | |
78 ALTER TABLE t1 ADD c; | |
79 SELECT sql FROM sqlite_master WHERE tbl_name = 't1'; | |
80 } | |
81 } {{CREATE TABLE t1(a, b, c)}} | |
82 do_test alter3-1.5 { | |
83 execsql { | |
84 ALTER TABLE t1 ADD d CHECK (a>d); | |
85 SELECT sql FROM sqlite_master WHERE tbl_name = 't1'; | |
86 } | |
87 } {{CREATE TABLE t1(a, b, c, d CHECK (a>d))}} | |
88 ifcapable foreignkey { | |
89 do_test alter3-1.6 { | |
90 execsql { | |
91 CREATE TABLE t2(a, b, UNIQUE(a, b)); | |
92 ALTER TABLE t2 ADD c REFERENCES t1(c) ; | |
93 SELECT sql FROM sqlite_master WHERE tbl_name = 't2' AND type = 'table'; | |
94 } | |
95 } {{CREATE TABLE t2(a, b, c REFERENCES t1(c), UNIQUE(a, b))}} | |
96 } | |
97 do_test alter3-1.7 { | |
98 execsql { | |
99 CREATE TABLE t3(a, b, UNIQUE(a, b)); | |
100 ALTER TABLE t3 ADD COLUMN c VARCHAR(10, 20); | |
101 SELECT sql FROM sqlite_master WHERE tbl_name = 't3' AND type = 'table'; | |
102 } | |
103 } {{CREATE TABLE t3(a, b, c VARCHAR(10, 20), UNIQUE(a, b))}} | |
104 do_test alter3-1.99 { | |
105 catchsql { | |
106 # May not exist if foriegn-keys are omitted at compile time. | |
107 DROP TABLE t2; | |
108 } | |
109 execsql { | |
110 DROP TABLE abc; | |
111 DROP TABLE t1; | |
112 DROP TABLE t3; | |
113 } | |
114 } {} | |
115 | |
116 do_test alter3-2.1 { | |
117 execsql { | |
118 CREATE TABLE t1(a, b); | |
119 } | |
120 catchsql { | |
121 ALTER TABLE t1 ADD c PRIMARY KEY; | |
122 } | |
123 } {1 {Cannot add a PRIMARY KEY column}} | |
124 do_test alter3-2.2 { | |
125 catchsql { | |
126 ALTER TABLE t1 ADD c UNIQUE | |
127 } | |
128 } {1 {Cannot add a UNIQUE column}} | |
129 do_test alter3-2.3 { | |
130 catchsql { | |
131 ALTER TABLE t1 ADD b VARCHAR(10) | |
132 } | |
133 } {1 {duplicate column name: b}} | |
134 do_test alter3-2.3 { | |
135 catchsql { | |
136 ALTER TABLE t1 ADD c NOT NULL; | |
137 } | |
138 } {1 {Cannot add a NOT NULL column with default value NULL}} | |
139 do_test alter3-2.4 { | |
140 catchsql { | |
141 ALTER TABLE t1 ADD c NOT NULL DEFAULT 10; | |
142 } | |
143 } {0 {}} | |
144 ifcapable view { | |
145 do_test alter3-2.5 { | |
146 execsql { | |
147 CREATE VIEW v1 AS SELECT * FROM t1; | |
148 } | |
149 catchsql { | |
150 alter table v1 add column d; | |
151 } | |
152 } {1 {Cannot add a column to a view}} | |
153 } | |
154 do_test alter3-2.6 { | |
155 catchsql { | |
156 alter table t1 add column d DEFAULT CURRENT_TIME; | |
157 } | |
158 } {1 {Cannot add a column with non-constant default}} | |
159 do_test alter3-2.99 { | |
160 execsql { | |
161 DROP TABLE t1; | |
162 } | |
163 } {} | |
164 | |
165 do_test alter3-3.1 { | |
166 execsql { | |
167 CREATE TABLE t1(a, b); | |
168 INSERT INTO t1 VALUES(1, 100); | |
169 INSERT INTO t1 VALUES(2, 300); | |
170 SELECT * FROM t1; | |
171 } | |
172 } {1 100 2 300} | |
173 do_test alter3-3.1 { | |
174 execsql { | |
175 PRAGMA schema_version = 10; | |
176 } | |
177 } {} | |
178 do_test alter3-3.2 { | |
179 execsql { | |
180 ALTER TABLE t1 ADD c; | |
181 SELECT * FROM t1; | |
182 } | |
183 } {1 100 {} 2 300 {}} | |
184 if {!$has_codec} { | |
185 do_test alter3-3.3 { | |
186 get_file_format | |
187 } {3} | |
188 } | |
189 ifcapable schema_version { | |
190 do_test alter3-3.4 { | |
191 execsql { | |
192 PRAGMA schema_version; | |
193 } | |
194 } {11} | |
195 } | |
196 | |
197 do_test alter3-4.1 { | |
198 db close | |
199 forcedelete test.db | |
200 set ::DB [sqlite3 db test.db] | |
201 execsql { | |
202 PRAGMA legacy_file_format=ON; | |
203 CREATE TABLE t1(a, b); | |
204 INSERT INTO t1 VALUES(1, 100); | |
205 INSERT INTO t1 VALUES(2, 300); | |
206 SELECT * FROM t1; | |
207 } | |
208 } {1 100 2 300} | |
209 do_test alter3-4.1 { | |
210 execsql { | |
211 PRAGMA schema_version = 20; | |
212 } | |
213 } {} | |
214 do_test alter3-4.2 { | |
215 execsql { | |
216 ALTER TABLE t1 ADD c DEFAULT 'hello world'; | |
217 SELECT * FROM t1; | |
218 } | |
219 } {1 100 {hello world} 2 300 {hello world}} | |
220 if {!$has_codec} { | |
221 do_test alter3-4.3 { | |
222 get_file_format | |
223 } {3} | |
224 } | |
225 ifcapable schema_version { | |
226 do_test alter3-4.4 { | |
227 execsql { | |
228 PRAGMA schema_version; | |
229 } | |
230 } {21} | |
231 } | |
232 do_test alter3-4.99 { | |
233 execsql { | |
234 DROP TABLE t1; | |
235 } | |
236 } {} | |
237 | |
238 ifcapable attach { | |
239 do_test alter3-5.1 { | |
240 forcedelete test2.db | |
241 forcedelete test2.db-journal | |
242 execsql { | |
243 CREATE TABLE t1(a, b); | |
244 INSERT INTO t1 VALUES(1, 'one'); | |
245 INSERT INTO t1 VALUES(2, 'two'); | |
246 ATTACH 'test2.db' AS aux; | |
247 CREATE TABLE aux.t1 AS SELECT * FROM t1; | |
248 PRAGMA aux.schema_version = 30; | |
249 SELECT sql FROM aux.sqlite_master; | |
250 } | |
251 } {{CREATE TABLE t1(a,b)}} | |
252 do_test alter3-5.2 { | |
253 execsql { | |
254 ALTER TABLE aux.t1 ADD COLUMN c VARCHAR(128); | |
255 SELECT sql FROM aux.sqlite_master; | |
256 } | |
257 } {{CREATE TABLE t1(a,b, c VARCHAR(128))}} | |
258 do_test alter3-5.3 { | |
259 execsql { | |
260 SELECT * FROM aux.t1; | |
261 } | |
262 } {1 one {} 2 two {}} | |
263 ifcapable schema_version { | |
264 do_test alter3-5.4 { | |
265 execsql { | |
266 PRAGMA aux.schema_version; | |
267 } | |
268 } {31} | |
269 } | |
270 if {!$has_codec} { | |
271 do_test alter3-5.5 { | |
272 list [get_file_format test2.db] [get_file_format] | |
273 } {2 3} | |
274 } | |
275 do_test alter3-5.6 { | |
276 execsql { | |
277 ALTER TABLE aux.t1 ADD COLUMN d DEFAULT 1000; | |
278 SELECT sql FROM aux.sqlite_master; | |
279 } | |
280 } {{CREATE TABLE t1(a,b, c VARCHAR(128), d DEFAULT 1000)}} | |
281 do_test alter3-5.7 { | |
282 execsql { | |
283 SELECT * FROM aux.t1; | |
284 } | |
285 } {1 one {} 1000 2 two {} 1000} | |
286 ifcapable schema_version { | |
287 do_test alter3-5.8 { | |
288 execsql { | |
289 PRAGMA aux.schema_version; | |
290 } | |
291 } {32} | |
292 } | |
293 do_test alter3-5.9 { | |
294 execsql { | |
295 SELECT * FROM t1; | |
296 } | |
297 } {1 one 2 two} | |
298 do_test alter3-5.99 { | |
299 execsql { | |
300 DROP TABLE aux.t1; | |
301 DROP TABLE t1; | |
302 } | |
303 } {} | |
304 } | |
305 | |
306 #---------------------------------------------------------------- | |
307 # Test that the table schema is correctly reloaded when a column | |
308 # is added to a table. | |
309 # | |
310 ifcapable trigger&&tempdb { | |
311 do_test alter3-6.1 { | |
312 execsql { | |
313 CREATE TABLE t1(a, b); | |
314 CREATE TABLE log(trig, a, b); | |
315 | |
316 CREATE TRIGGER t1_a AFTER INSERT ON t1 BEGIN | |
317 INSERT INTO log VALUES('a', new.a, new.b); | |
318 END; | |
319 CREATE TEMP TRIGGER t1_b AFTER INSERT ON t1 BEGIN | |
320 INSERT INTO log VALUES('b', new.a, new.b); | |
321 END; | |
322 | |
323 INSERT INTO t1 VALUES(1, 2); | |
324 SELECT * FROM log; | |
325 } | |
326 } {b 1 2 a 1 2} | |
327 do_test alter3-6.2 { | |
328 execsql { | |
329 ALTER TABLE t1 ADD COLUMN c DEFAULT 'c'; | |
330 INSERT INTO t1(a, b) VALUES(3, 4); | |
331 SELECT * FROM log; | |
332 } | |
333 } {b 1 2 a 1 2 b 3 4 a 3 4} | |
334 } | |
335 | |
336 if {!$has_codec} { | |
337 ifcapable vacuum { | |
338 do_test alter3-7.1 { | |
339 execsql { | |
340 VACUUM; | |
341 } | |
342 get_file_format | |
343 } {1} | |
344 do_test alter3-7.2 { | |
345 execsql { | |
346 CREATE TABLE abc(a, b, c); | |
347 ALTER TABLE abc ADD d DEFAULT NULL; | |
348 } | |
349 get_file_format | |
350 } {2} | |
351 do_test alter3-7.3 { | |
352 execsql { | |
353 ALTER TABLE abc ADD e DEFAULT 10; | |
354 } | |
355 get_file_format | |
356 } {3} | |
357 do_test alter3-7.4 { | |
358 execsql { | |
359 ALTER TABLE abc ADD f DEFAULT NULL; | |
360 } | |
361 get_file_format | |
362 } {3} | |
363 do_test alter3-7.5 { | |
364 execsql { | |
365 VACUUM; | |
366 } | |
367 get_file_format | |
368 } {1} | |
369 } | |
370 } | |
371 | |
372 # Ticket #1183 - Make sure adding columns to large tables does not cause | |
373 # memory corruption (as was the case before this bug was fixed). | |
374 do_test alter3-8.1 { | |
375 execsql { | |
376 CREATE TABLE t4(c1); | |
377 } | |
378 } {} | |
379 set ::sql "" | |
380 do_test alter3-8.2 { | |
381 set cols c1 | |
382 for {set i 2} {$i < 100} {incr i} { | |
383 execsql " | |
384 ALTER TABLE t4 ADD c$i | |
385 " | |
386 lappend cols c$i | |
387 } | |
388 set ::sql "CREATE TABLE t4([join $cols {, }])" | |
389 list | |
390 } {} | |
391 do_test alter3-8.2 { | |
392 execsql { | |
393 SELECT sql FROM sqlite_master WHERE name = 't4'; | |
394 } | |
395 } [list $::sql] | |
396 | |
397 finish_test | |
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