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1 # 2010 April 13 | |
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 file is testing the operation of the library in | |
13 # "PRAGMA journal_mode=WAL" mode. | |
14 # | |
15 | |
16 set testdir [file dirname $argv0] | |
17 source $testdir/tester.tcl | |
18 source $testdir/lock_common.tcl | |
19 source $testdir/malloc_common.tcl | |
20 source $testdir/wal_common.tcl | |
21 | |
22 set testprefix wal | |
23 | |
24 ifcapable !wal {finish_test ; return } | |
25 | |
26 proc reopen_db {} { | |
27 catch { db close } | |
28 forcedelete test.db test.db-wal test.db-wal-summary | |
29 sqlite3_wal db test.db | |
30 } | |
31 | |
32 set ::blobcnt 0 | |
33 proc blob {nByte} { | |
34 incr ::blobcnt | |
35 return [string range [string repeat "${::blobcnt}x" $nByte] 1 $nByte] | |
36 } | |
37 | |
38 proc sqlite3_wal {args} { | |
39 eval sqlite3 $args | |
40 [lindex $args 0] eval { PRAGMA auto_vacuum = 0 } | |
41 [lindex $args 0] eval { PRAGMA page_size = 1024 } | |
42 [lindex $args 0] eval { PRAGMA journal_mode = wal } | |
43 [lindex $args 0] eval { PRAGMA synchronous = normal } | |
44 [lindex $args 0] function blob blob | |
45 } | |
46 | |
47 proc log_deleted {logfile} { | |
48 return [expr [file exists $logfile]==0] | |
49 } | |
50 | |
51 # | |
52 # These are 'warm-body' tests used while developing the WAL code. They | |
53 # serve to prove that a few really simple cases work: | |
54 # | |
55 # wal-1.*: Read and write the database. | |
56 # wal-2.*: Test MVCC with one reader, one writer. | |
57 # wal-3.*: Test transaction rollback. | |
58 # wal-4.*: Test savepoint/statement rollback. | |
59 # wal-5.*: Test the temp database. | |
60 # wal-6.*: Test creating databases with different page sizes. | |
61 # | |
62 # | |
63 # | |
64 do_test wal-0.1 { | |
65 execsql { PRAGMA auto_vacuum = 0 } | |
66 execsql { PRAGMA synchronous = normal } | |
67 execsql { PRAGMA journal_mode = wal } | |
68 } {wal} | |
69 do_test wal-0.2 { | |
70 file size test.db | |
71 } {1024} | |
72 | |
73 do_test wal-1.0 { | |
74 execsql { | |
75 BEGIN; | |
76 CREATE TABLE t1(a, b); | |
77 } | |
78 list [file exists test.db-journal] \ | |
79 [file exists test.db-wal] \ | |
80 [file size test.db] | |
81 } {0 1 1024} | |
82 do_test wal-1.1 { | |
83 execsql COMMIT | |
84 list [file exists test.db-journal] [file exists test.db-wal] | |
85 } {0 1} | |
86 do_test wal-1.2 { | |
87 # There are now two pages in the log. | |
88 file size test.db-wal | |
89 } [wal_file_size 2 1024] | |
90 | |
91 do_test wal-1.3 { | |
92 execsql { SELECT * FROM sqlite_master } | |
93 } {table t1 t1 2 {CREATE TABLE t1(a, b)}} | |
94 | |
95 do_test wal-1.4 { | |
96 execsql { INSERT INTO t1 VALUES(1, 2) } | |
97 execsql { INSERT INTO t1 VALUES(3, 4) } | |
98 execsql { INSERT INTO t1 VALUES(5, 6) } | |
99 execsql { INSERT INTO t1 VALUES(7, 8) } | |
100 execsql { INSERT INTO t1 VALUES(9, 10) } | |
101 } {} | |
102 | |
103 do_test wal-1.5 { | |
104 execsql { SELECT * FROM t1 } | |
105 } {1 2 3 4 5 6 7 8 9 10} | |
106 | |
107 do_test wal-2.1 { | |
108 sqlite3_wal db2 ./test.db | |
109 execsql { BEGIN; SELECT * FROM t1 } db2 | |
110 } {1 2 3 4 5 6 7 8 9 10} | |
111 | |
112 do_test wal-2.2 { | |
113 execsql { INSERT INTO t1 VALUES(11, 12) } | |
114 execsql { SELECT * FROM t1 } | |
115 } {1 2 3 4 5 6 7 8 9 10 11 12} | |
116 | |
117 do_test wal-2.3 { | |
118 execsql { SELECT * FROM t1 } db2 | |
119 } {1 2 3 4 5 6 7 8 9 10} | |
120 | |
121 do_test wal-2.4 { | |
122 execsql { INSERT INTO t1 VALUES(13, 14) } | |
123 execsql { SELECT * FROM t1 } | |
124 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
125 | |
126 do_test wal-2.5 { | |
127 execsql { SELECT * FROM t1 } db2 | |
128 } {1 2 3 4 5 6 7 8 9 10} | |
129 | |
130 do_test wal-2.6 { | |
131 execsql { COMMIT; SELECT * FROM t1 } db2 | |
132 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
133 | |
134 do_test wal-3.1 { | |
135 execsql { BEGIN; DELETE FROM t1 } | |
136 execsql { SELECT * FROM t1 } | |
137 } {} | |
138 do_test wal-3.2 { | |
139 execsql { SELECT * FROM t1 } db2 | |
140 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
141 do_test wal-3.3 { | |
142 execsql { ROLLBACK } | |
143 execsql { SELECT * FROM t1 } | |
144 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
145 db2 close | |
146 | |
147 #------------------------------------------------------------------------- | |
148 # The following tests, wal-4.*, test that savepoints work with WAL | |
149 # databases. | |
150 # | |
151 do_test wal-4.1 { | |
152 execsql { | |
153 DELETE FROM t1; | |
154 BEGIN; | |
155 INSERT INTO t1 VALUES('a', 'b'); | |
156 SAVEPOINT sp; | |
157 INSERT INTO t1 VALUES('c', 'd'); | |
158 SELECT * FROM t1; | |
159 } | |
160 } {a b c d} | |
161 do_test wal-4.2 { | |
162 execsql { | |
163 ROLLBACK TO sp; | |
164 SELECT * FROM t1; | |
165 } | |
166 } {a b} | |
167 do_test wal-4.3 { | |
168 execsql { | |
169 COMMIT; | |
170 SELECT * FROM t1; | |
171 } | |
172 } {a b} | |
173 | |
174 do_test wal-4.4.1 { | |
175 db close | |
176 sqlite3 db test.db | |
177 db func blob blob | |
178 list [execsql { SELECT * FROM t1 }] [file size test.db-wal] | |
179 } {{a b} 0} | |
180 do_test wal-4.4.2 { | |
181 execsql { PRAGMA cache_size = 10 } | |
182 execsql { | |
183 CREATE TABLE t2(a, b); | |
184 INSERT INTO t2 VALUES(blob(400), blob(400)); | |
185 SAVEPOINT tr; | |
186 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 2 */ | |
187 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 4 */ | |
188 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 8 */ | |
189 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 16 */ | |
190 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 32 */ | |
191 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 2 */ | |
192 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 4 */ | |
193 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 8 */ | |
194 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 16 */ | |
195 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 32 */ | |
196 SELECT count(*) FROM t2; | |
197 } | |
198 } {32} | |
199 do_test wal-4.4.3 { | |
200 execsql { ROLLBACK TO tr } | |
201 } {} | |
202 do_test wal-4.4.4 { | |
203 set logsize [file size test.db-wal] | |
204 execsql { | |
205 INSERT INTO t1 VALUES('x', 'y'); | |
206 RELEASE tr; | |
207 } | |
208 expr { $logsize == [file size test.db-wal] } | |
209 } {1} | |
210 do_test wal-4.4.5 { | |
211 execsql { SELECT count(*) FROM t2 } | |
212 } {1} | |
213 do_test wal-4.4.6 { | |
214 forcecopy test.db test2.db | |
215 forcecopy test.db-wal test2.db-wal | |
216 sqlite3 db2 test2.db | |
217 execsql { SELECT count(*) FROM t2 ; SELECT count(*) FROM t1 } db2 | |
218 } {1 2} | |
219 do_test wal-4.4.7 { | |
220 execsql { PRAGMA integrity_check } db2 | |
221 } {ok} | |
222 db2 close | |
223 | |
224 do_test wal-4.5.1 { | |
225 reopen_db | |
226 db func blob blob | |
227 execsql { | |
228 PRAGMA journal_mode = WAL; | |
229 CREATE TABLE t1(a, b); | |
230 INSERT INTO t1 VALUES('a', 'b'); | |
231 } | |
232 sqlite3 db test.db | |
233 db func blob blob | |
234 list [execsql { SELECT * FROM t1 }] [file size test.db-wal] | |
235 } {{a b} 0} | |
236 do_test wal-4.5.2 { | |
237 execsql { PRAGMA cache_size = 10 } | |
238 execsql { | |
239 CREATE TABLE t2(a, b); | |
240 BEGIN; | |
241 INSERT INTO t2 VALUES(blob(400), blob(400)); | |
242 SAVEPOINT tr; | |
243 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 2 */ | |
244 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 4 */ | |
245 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 8 */ | |
246 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 16 */ | |
247 INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 32 */ | |
248 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 2 */ | |
249 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 4 */ | |
250 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 8 */ | |
251 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 16 */ | |
252 INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 32 */ | |
253 SELECT count(*) FROM t2; | |
254 } | |
255 } {32} | |
256 do_test wal-4.5.3 { | |
257 execsql { ROLLBACK TO tr } | |
258 } {} | |
259 do_test wal-4.5.4 { | |
260 set logsize [file size test.db-wal] | |
261 execsql { | |
262 INSERT INTO t1 VALUES('x', 'y'); | |
263 RELEASE tr; | |
264 COMMIT; | |
265 } | |
266 expr { $logsize == [file size test.db-wal] } | |
267 } {1} | |
268 do_test wal-4.5.5 { | |
269 execsql { SELECT count(*) FROM t2 ; SELECT count(*) FROM t1 } | |
270 } {1 2} | |
271 do_test wal-4.5.6 { | |
272 forcecopy test.db test2.db | |
273 forcecopy test.db-wal test2.db-wal | |
274 sqlite3 db2 test2.db | |
275 execsql { SELECT count(*) FROM t2 ; SELECT count(*) FROM t1 } db2 | |
276 } {1 2} | |
277 do_test wal-4.5.7 { | |
278 execsql { PRAGMA integrity_check } db2 | |
279 } {ok} | |
280 db2 close | |
281 | |
282 do_test wal-4.6.1 { | |
283 execsql { | |
284 DELETE FROM t2; | |
285 PRAGMA wal_checkpoint; | |
286 BEGIN; | |
287 INSERT INTO t2 VALUES('w', 'x'); | |
288 SAVEPOINT save; | |
289 INSERT INTO t2 VALUES('y', 'z'); | |
290 ROLLBACK TO save; | |
291 COMMIT; | |
292 } | |
293 execsql { SELECT * FROM t2 } | |
294 } {w x} | |
295 | |
296 | |
297 reopen_db | |
298 do_test wal-5.1 { | |
299 execsql { | |
300 CREATE TEMP TABLE t2(a, b); | |
301 INSERT INTO t2 VALUES(1, 2); | |
302 } | |
303 } {} | |
304 do_test wal-5.2 { | |
305 execsql { | |
306 BEGIN; | |
307 INSERT INTO t2 VALUES(3, 4); | |
308 SELECT * FROM t2; | |
309 } | |
310 } {1 2 3 4} | |
311 do_test wal-5.3 { | |
312 execsql { | |
313 ROLLBACK; | |
314 SELECT * FROM t2; | |
315 } | |
316 } {1 2} | |
317 do_test wal-5.4 { | |
318 execsql { | |
319 CREATE TEMP TABLE t3(x UNIQUE); | |
320 BEGIN; | |
321 INSERT INTO t2 VALUES(3, 4); | |
322 INSERT INTO t3 VALUES('abc'); | |
323 } | |
324 catchsql { INSERT INTO t3 VALUES('abc') } | |
325 } {1 {UNIQUE constraint failed: t3.x}} | |
326 do_test wal-5.5 { | |
327 execsql { | |
328 COMMIT; | |
329 SELECT * FROM t2; | |
330 } | |
331 } {1 2 3 4} | |
332 db close | |
333 | |
334 foreach sector {512 4096} { | |
335 sqlite3_simulate_device -sectorsize $sector | |
336 foreach pgsz {512 1024 2048 4096} { | |
337 forcedelete test.db test.db-wal | |
338 do_test wal-6.$sector.$pgsz.1 { | |
339 sqlite3 db test.db -vfs devsym | |
340 execsql " | |
341 PRAGMA page_size = $pgsz; | |
342 PRAGMA auto_vacuum = 0; | |
343 PRAGMA journal_mode = wal; | |
344 " | |
345 execsql " | |
346 CREATE TABLE t1(a, b); | |
347 INSERT INTO t1 VALUES(1, 2); | |
348 " | |
349 db close | |
350 file size test.db | |
351 } [expr $pgsz*2] | |
352 | |
353 do_test wal-6.$sector.$pgsz.2 { | |
354 log_deleted test.db-wal | |
355 } {1} | |
356 } | |
357 } | |
358 | |
359 do_test wal-7.1 { | |
360 forcedelete test.db test.db-wal | |
361 sqlite3_wal db test.db | |
362 execsql { | |
363 PRAGMA page_size = 1024; | |
364 CREATE TABLE t1(a, b); | |
365 INSERT INTO t1 VALUES(1, 2); | |
366 } | |
367 list [file size test.db] [file size test.db-wal] | |
368 } [list 1024 [wal_file_size 3 1024]] | |
369 do_test wal-7.2 { | |
370 execsql { PRAGMA wal_checkpoint } | |
371 list [file size test.db] [file size test.db-wal] | |
372 } [list 2048 [wal_file_size 3 1024]] | |
373 | |
374 # Execute some transactions in auto-vacuum mode to test database file | |
375 # truncation. | |
376 # | |
377 do_test wal-8.1 { | |
378 reopen_db | |
379 catch { db close } | |
380 forcedelete test.db test.db-wal | |
381 | |
382 sqlite3 db test.db | |
383 db function blob blob | |
384 execsql { | |
385 PRAGMA auto_vacuum = 1; | |
386 PRAGMA journal_mode = wal; | |
387 PRAGMA auto_vacuum; | |
388 } | |
389 } {wal 1} | |
390 do_test wal-8.2 { | |
391 execsql { | |
392 PRAGMA page_size = 1024; | |
393 CREATE TABLE t1(x); | |
394 INSERT INTO t1 VALUES(blob(900)); | |
395 INSERT INTO t1 VALUES(blob(900)); | |
396 INSERT INTO t1 SELECT blob(900) FROM t1; /* 4 */ | |
397 INSERT INTO t1 SELECT blob(900) FROM t1; /* 8 */ | |
398 INSERT INTO t1 SELECT blob(900) FROM t1; /* 16 */ | |
399 INSERT INTO t1 SELECT blob(900) FROM t1; /* 32 */ | |
400 INSERT INTO t1 SELECT blob(900) FROM t1; /* 64 */ | |
401 PRAGMA wal_checkpoint; | |
402 } | |
403 file size test.db | |
404 } [expr 68*1024] | |
405 do_test wal-8.3 { | |
406 execsql { | |
407 DELETE FROM t1 WHERE rowid<54; | |
408 PRAGMA wal_checkpoint; | |
409 } | |
410 file size test.db | |
411 } [expr 14*1024] | |
412 | |
413 # Run some "warm-body" tests to ensure that log-summary files with more | |
414 # than 256 entries (log summaries that contain index blocks) work Ok. | |
415 # | |
416 do_test wal-9.1 { | |
417 reopen_db | |
418 execsql { | |
419 PRAGMA cache_size=2000; | |
420 CREATE TABLE t1(x PRIMARY KEY); | |
421 INSERT INTO t1 VALUES(blob(900)); | |
422 INSERT INTO t1 VALUES(blob(900)); | |
423 INSERT INTO t1 SELECT blob(900) FROM t1; /* 4 */ | |
424 INSERT INTO t1 SELECT blob(900) FROM t1; /* 8 */ | |
425 INSERT INTO t1 SELECT blob(900) FROM t1; /* 16 */ | |
426 INSERT INTO t1 SELECT blob(900) FROM t1; /* 32 */ | |
427 INSERT INTO t1 SELECT blob(900) FROM t1; /* 64 */ | |
428 INSERT INTO t1 SELECT blob(900) FROM t1; /* 128 */ | |
429 INSERT INTO t1 SELECT blob(900) FROM t1; /* 256 */ | |
430 } | |
431 file size test.db | |
432 } 1024 | |
433 do_test wal-9.2 { | |
434 sqlite3_wal db2 test.db | |
435 execsql {PRAGMA integrity_check } db2 | |
436 } {ok} | |
437 | |
438 do_test wal-9.3 { | |
439 forcedelete test2.db test2.db-wal | |
440 copy_file test.db test2.db | |
441 copy_file test.db-wal test2.db-wal | |
442 sqlite3_wal db3 test2.db | |
443 execsql {PRAGMA integrity_check } db3 | |
444 } {ok} | |
445 db3 close | |
446 | |
447 do_test wal-9.4 { | |
448 execsql { PRAGMA wal_checkpoint } | |
449 db2 close | |
450 sqlite3_wal db2 test.db | |
451 execsql {PRAGMA integrity_check } db2 | |
452 } {ok} | |
453 | |
454 foreach handle {db db2 db3} { catch { $handle close } } | |
455 unset handle | |
456 | |
457 #------------------------------------------------------------------------- | |
458 # The following block of tests - wal-10.* - test that the WAL locking | |
459 # scheme works in simple cases. This block of tests is run twice. Once | |
460 # using multiple connections in the address space of the current process, | |
461 # and once with all connections except one running in external processes. | |
462 # | |
463 do_multiclient_test tn { | |
464 | |
465 # Initialize the database schema and contents. | |
466 # | |
467 do_test wal-10.$tn.1 { | |
468 execsql { | |
469 PRAGMA auto_vacuum = 0; | |
470 PRAGMA journal_mode = wal; | |
471 CREATE TABLE t1(a, b); | |
472 INSERT INTO t1 VALUES(1, 2); | |
473 SELECT * FROM t1; | |
474 } | |
475 } {wal 1 2} | |
476 | |
477 # Open a transaction and write to the database using [db]. Check that [db2] | |
478 # is still able to read the snapshot before the transaction was opened. | |
479 # | |
480 do_test wal-10.$tn.2 { | |
481 execsql { BEGIN; INSERT INTO t1 VALUES(3, 4); } | |
482 sql2 {SELECT * FROM t1} | |
483 } {1 2} | |
484 | |
485 # Have [db] commit the transaction. Check that [db2] is now seeing the | |
486 # new, updated snapshot. | |
487 # | |
488 do_test wal-10.$tn.3 { | |
489 execsql { COMMIT } | |
490 sql2 {SELECT * FROM t1} | |
491 } {1 2 3 4} | |
492 | |
493 # Have [db2] open a read transaction. Then write to the db via [db]. Check | |
494 # that [db2] is still seeing the original snapshot. Then read with [db3]. | |
495 # [db3] should see the newly committed data. | |
496 # | |
497 do_test wal-10.$tn.4 { | |
498 sql2 { BEGIN ; SELECT * FROM t1} | |
499 } {1 2 3 4} | |
500 do_test wal-10.$tn.5 { | |
501 execsql { INSERT INTO t1 VALUES(5, 6); } | |
502 sql2 {SELECT * FROM t1} | |
503 } {1 2 3 4} | |
504 do_test wal-10.$tn.6 { | |
505 sql3 {SELECT * FROM t1} | |
506 } {1 2 3 4 5 6} | |
507 do_test wal-10.$tn.7 { | |
508 sql2 COMMIT | |
509 } {} | |
510 | |
511 # Have [db2] open a write transaction. Then attempt to write to the | |
512 # database via [db]. This should fail (writer lock cannot be obtained). | |
513 # | |
514 # Then open a read-transaction with [db]. Commit the [db2] transaction | |
515 # to disk. Verify that [db] still cannot write to the database (because | |
516 # it is reading an old snapshot). | |
517 # | |
518 # Close the current [db] transaction. Open a new one. [db] can now write | |
519 # to the database (as it is not locked and [db] is reading the latest | |
520 # snapshot). | |
521 # | |
522 do_test wal-10.$tn.7 { | |
523 sql2 { BEGIN; INSERT INTO t1 VALUES(7, 8) ; } | |
524 catchsql { INSERT INTO t1 VALUES(9, 10) } | |
525 } {1 {database is locked}} | |
526 do_test wal-10.$tn.8 { | |
527 execsql { BEGIN ; SELECT * FROM t1 } | |
528 } {1 2 3 4 5 6} | |
529 do_test wal-10.$tn.9 { | |
530 sql2 COMMIT | |
531 catchsql { INSERT INTO t1 VALUES(9, 10) } | |
532 } {1 {database is locked}} | |
533 do_test wal-10.$tn.10 { | |
534 execsql { COMMIT } | |
535 execsql { BEGIN } | |
536 execsql { INSERT INTO t1 VALUES(9, 10) } | |
537 execsql { COMMIT } | |
538 execsql { SELECT * FROM t1 } | |
539 } {1 2 3 4 5 6 7 8 9 10} | |
540 | |
541 # Open a read transaction with [db2]. Check that this prevents [db] from | |
542 # checkpointing the database. But not from writing to it. | |
543 # | |
544 do_test wal-10.$tn.11 { | |
545 sql2 { BEGIN; SELECT * FROM t1 } | |
546 } {1 2 3 4 5 6 7 8 9 10} | |
547 do_test wal-10.$tn.12 { | |
548 catchsql { PRAGMA wal_checkpoint } | |
549 } {0 {0 7 7}} ;# Reader no longer block checkpoints | |
550 do_test wal-10.$tn.13 { | |
551 execsql { INSERT INTO t1 VALUES(11, 12) } | |
552 sql2 {SELECT * FROM t1} | |
553 } {1 2 3 4 5 6 7 8 9 10} | |
554 | |
555 # Writers do not block checkpoints any more either. | |
556 # | |
557 do_test wal-10.$tn.14 { | |
558 catchsql { PRAGMA wal_checkpoint } | |
559 } {0 {0 8 7}} | |
560 | |
561 # The following series of test cases used to verify another blocking | |
562 # case in WAL - a case which no longer blocks. | |
563 # | |
564 do_test wal-10.$tn.15 { | |
565 sql2 { COMMIT; BEGIN; SELECT * FROM t1; } | |
566 } {1 2 3 4 5 6 7 8 9 10 11 12} | |
567 do_test wal-10.$tn.16 { | |
568 catchsql { PRAGMA wal_checkpoint } | |
569 } {0 {0 8 8}} | |
570 do_test wal-10.$tn.17 { | |
571 execsql { PRAGMA wal_checkpoint } | |
572 } {0 8 8} | |
573 do_test wal-10.$tn.18 { | |
574 sql3 { BEGIN; SELECT * FROM t1 } | |
575 } {1 2 3 4 5 6 7 8 9 10 11 12} | |
576 do_test wal-10.$tn.19 { | |
577 catchsql { INSERT INTO t1 VALUES(13, 14) } | |
578 } {0 {}} | |
579 do_test wal-10.$tn.20 { | |
580 execsql { SELECT * FROM t1 } | |
581 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
582 do_test wal-10.$tn.21 { | |
583 sql3 COMMIT | |
584 sql2 COMMIT | |
585 } {} | |
586 do_test wal-10.$tn.22 { | |
587 execsql { SELECT * FROM t1 } | |
588 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
589 | |
590 # Another series of tests that used to demonstrate blocking behavior | |
591 # but which now work. | |
592 # | |
593 do_test wal-10.$tn.23 { | |
594 execsql { PRAGMA wal_checkpoint } | |
595 } {0 9 9} | |
596 do_test wal-10.$tn.24 { | |
597 sql2 { BEGIN; SELECT * FROM t1; } | |
598 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14} | |
599 do_test wal-10.$tn.25 { | |
600 execsql { PRAGMA wal_checkpoint } | |
601 } {0 9 9} | |
602 do_test wal-10.$tn.26 { | |
603 catchsql { INSERT INTO t1 VALUES(15, 16) } | |
604 } {0 {}} | |
605 do_test wal-10.$tn.27 { | |
606 sql3 { INSERT INTO t1 VALUES(17, 18) } | |
607 } {} | |
608 do_test wal-10.$tn.28 { | |
609 code3 { | |
610 set ::STMT [sqlite3_prepare db3 "SELECT * FROM t1" -1 TAIL] | |
611 sqlite3_step $::STMT | |
612 } | |
613 execsql { SELECT * FROM t1 } | |
614 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18} | |
615 do_test wal-10.$tn.29 { | |
616 execsql { INSERT INTO t1 VALUES(19, 20) } | |
617 catchsql { PRAGMA wal_checkpoint } | |
618 } {0 {0 3 0}} | |
619 do_test wal-10.$tn.30 { | |
620 code3 { sqlite3_finalize $::STMT } | |
621 execsql { PRAGMA wal_checkpoint } | |
622 } {0 3 0} | |
623 | |
624 # At one point, if a reader failed to upgrade to a writer because it | |
625 # was reading an old snapshot, the write-locks were not being released. | |
626 # Test that this bug has been fixed. | |
627 # | |
628 do_test wal-10.$tn.31 { | |
629 sql2 COMMIT | |
630 execsql { BEGIN ; SELECT * FROM t1 } | |
631 sql2 { INSERT INTO t1 VALUES(21, 22) } | |
632 catchsql { INSERT INTO t1 VALUES(23, 24) } | |
633 } {1 {database is locked}} | |
634 do_test wal-10.$tn.32 { | |
635 # This statement would fail when the bug was present. | |
636 sql2 { INSERT INTO t1 VALUES(23, 24) } | |
637 } {} | |
638 do_test wal-10.$tn.33 { | |
639 execsql { SELECT * FROM t1 ; COMMIT } | |
640 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20} | |
641 do_test wal-10.$tn.34 { | |
642 execsql { SELECT * FROM t1 } | |
643 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24} | |
644 | |
645 # Test that if a checkpointer cannot obtain the required locks, it | |
646 # releases all locks before returning a busy error. | |
647 # | |
648 do_test wal-10.$tn.35 { | |
649 execsql { | |
650 DELETE FROM t1; | |
651 INSERT INTO t1 VALUES('a', 'b'); | |
652 INSERT INTO t1 VALUES('c', 'd'); | |
653 } | |
654 sql2 { | |
655 BEGIN; | |
656 SELECT * FROM t1; | |
657 } | |
658 } {a b c d} | |
659 do_test wal-10.$tn.36 { | |
660 catchsql { PRAGMA wal_checkpoint } | |
661 } {0 {0 8 8}} | |
662 do_test wal-10.$tn.36 { | |
663 sql3 { INSERT INTO t1 VALUES('e', 'f') } | |
664 sql2 { SELECT * FROM t1 } | |
665 } {a b c d} | |
666 do_test wal-10.$tn.37 { | |
667 sql2 COMMIT | |
668 execsql { PRAGMA wal_checkpoint } | |
669 } {0 9 9} | |
670 } | |
671 | |
672 #------------------------------------------------------------------------- | |
673 # This block of tests, wal-11.*, test that nothing goes terribly wrong | |
674 # if frames must be written to the log file before a transaction is | |
675 # committed (in order to free up memory). | |
676 # | |
677 do_test wal-11.1 { | |
678 reopen_db | |
679 execsql { | |
680 PRAGMA cache_size = 10; | |
681 PRAGMA page_size = 1024; | |
682 CREATE TABLE t1(x PRIMARY KEY); | |
683 } | |
684 list [expr [file size test.db]/1024] [expr [file size test.db-wal]/1044] | |
685 } {1 3} | |
686 do_test wal-11.2 { | |
687 execsql { PRAGMA wal_checkpoint } | |
688 list [expr [file size test.db]/1024] [file size test.db-wal] | |
689 } [list 3 [wal_file_size 3 1024]] | |
690 do_test wal-11.3 { | |
691 execsql { INSERT INTO t1 VALUES( blob(900) ) } | |
692 list [expr [file size test.db]/1024] [file size test.db-wal] | |
693 } [list 3 [wal_file_size 4 1024]] | |
694 | |
695 do_test wal-11.4 { | |
696 execsql { | |
697 BEGIN; | |
698 INSERT INTO t1 SELECT blob(900) FROM t1; -- 2 | |
699 INSERT INTO t1 SELECT blob(900) FROM t1; -- 4 | |
700 INSERT INTO t1 SELECT blob(900) FROM t1; -- 8 | |
701 INSERT INTO t1 SELECT blob(900) FROM t1; -- 16 | |
702 } | |
703 list [expr [file size test.db]/1024] [file size test.db-wal] | |
704 } [list 3 [wal_file_size 32 1024]] | |
705 do_test wal-11.5 { | |
706 execsql { | |
707 SELECT count(*) FROM t1; | |
708 PRAGMA integrity_check; | |
709 } | |
710 } {16 ok} | |
711 do_test wal-11.6 { | |
712 execsql COMMIT | |
713 list [expr [file size test.db]/1024] [file size test.db-wal] | |
714 } [list 3 [wal_file_size 41 1024]] | |
715 do_test wal-11.7 { | |
716 execsql { | |
717 SELECT count(*) FROM t1; | |
718 PRAGMA integrity_check; | |
719 } | |
720 } {16 ok} | |
721 do_test wal-11.8 { | |
722 execsql { PRAGMA wal_checkpoint } | |
723 list [expr [file size test.db]/1024] [file size test.db-wal] | |
724 } [list 37 [wal_file_size 41 1024]] | |
725 do_test wal-11.9 { | |
726 db close | |
727 list [expr [file size test.db]/1024] [log_deleted test.db-wal] | |
728 } {37 1} | |
729 sqlite3_wal db test.db | |
730 set nWal 39 | |
731 if {[permutation]!="mmap"} {set nWal 37} | |
732 ifcapable !mmap {set nWal 37} | |
733 do_test wal-11.10 { | |
734 execsql { | |
735 PRAGMA cache_size = 10; | |
736 BEGIN; | |
737 INSERT INTO t1 SELECT blob(900) FROM t1; -- 32 | |
738 SELECT count(*) FROM t1; | |
739 } | |
740 list [expr [file size test.db]/1024] [file size test.db-wal] | |
741 } [list 37 [wal_file_size $nWal 1024]] | |
742 do_test wal-11.11 { | |
743 execsql { | |
744 SELECT count(*) FROM t1; | |
745 ROLLBACK; | |
746 SELECT count(*) FROM t1; | |
747 } | |
748 } {32 16} | |
749 do_test wal-11.12 { | |
750 list [expr [file size test.db]/1024] [file size test.db-wal] | |
751 } [list 37 [wal_file_size $nWal 1024]] | |
752 do_test wal-11.13 { | |
753 execsql { | |
754 INSERT INTO t1 VALUES( blob(900) ); | |
755 SELECT count(*) FROM t1; | |
756 PRAGMA integrity_check; | |
757 } | |
758 } {17 ok} | |
759 do_test wal-11.14 { | |
760 list [expr [file size test.db]/1024] [file size test.db-wal] | |
761 } [list 37 [wal_file_size $nWal 1024]] | |
762 | |
763 | |
764 #------------------------------------------------------------------------- | |
765 # This block of tests, wal-12.*, tests the fix for a problem that | |
766 # could occur if a log that is a prefix of an older log is written | |
767 # into a reused log file. | |
768 # | |
769 reopen_db | |
770 do_test wal-12.1 { | |
771 execsql { | |
772 PRAGMA page_size = 1024; | |
773 CREATE TABLE t1(x, y); | |
774 CREATE TABLE t2(x, y); | |
775 INSERT INTO t1 VALUES('A', 1); | |
776 } | |
777 list [expr [file size test.db]/1024] [file size test.db-wal] | |
778 } [list 1 [wal_file_size 5 1024]] | |
779 do_test wal-12.2 { | |
780 db close | |
781 sqlite3 db test.db | |
782 execsql { | |
783 PRAGMA synchronous = normal; | |
784 UPDATE t1 SET y = 0 WHERE x = 'A'; | |
785 } | |
786 list [expr [file size test.db]/1024] [expr [file size test.db-wal]/1044] | |
787 } {3 1} | |
788 do_test wal-12.3 { | |
789 execsql { INSERT INTO t2 VALUES('B', 1) } | |
790 list [expr [file size test.db]/1024] [expr [file size test.db-wal]/1044] | |
791 } {3 2} | |
792 do_test wal-12.4 { | |
793 forcecopy test.db test2.db | |
794 forcecopy test.db-wal test2.db-wal | |
795 sqlite3_wal db2 test2.db | |
796 execsql { SELECT * FROM t2 } db2 | |
797 } {B 1} | |
798 db2 close | |
799 do_test wal-12.5 { | |
800 execsql { | |
801 PRAGMA wal_checkpoint; | |
802 UPDATE t2 SET y = 2 WHERE x = 'B'; | |
803 PRAGMA wal_checkpoint; | |
804 UPDATE t1 SET y = 1 WHERE x = 'A'; | |
805 PRAGMA wal_checkpoint; | |
806 UPDATE t1 SET y = 0 WHERE x = 'A'; | |
807 } | |
808 execsql { SELECT * FROM t2 } | |
809 } {B 2} | |
810 do_test wal-12.6 { | |
811 forcecopy test.db test2.db | |
812 forcecopy test.db-wal test2.db-wal | |
813 sqlite3_wal db2 test2.db | |
814 execsql { SELECT * FROM t2 } db2 | |
815 } {B 2} | |
816 db2 close | |
817 db close | |
818 | |
819 #------------------------------------------------------------------------- | |
820 # Test large log summaries. | |
821 # | |
822 # In this case "large" usually means a log file that requires a wal-index | |
823 # mapping larger than 64KB (the default initial allocation). A 64KB wal-index | |
824 # is large enough for a log file that contains approximately 13100 frames. | |
825 # So the following tests create logs containing at least this many frames. | |
826 # | |
827 # wal-13.1.*: This test case creates a very large log file within the | |
828 # file-system (around 200MB). The log file does not contain | |
829 # any valid frames. Test that the database file can still be | |
830 # opened and queried, and that the invalid log file causes no | |
831 # problems. | |
832 # | |
833 # wal-13.2.*: Test that a process may create a large log file and query | |
834 # the database (including the log file that it itself created). | |
835 # | |
836 # wal-13.3.*: Test that if a very large log file is created, and then a | |
837 # second connection is opened on the database file, it is possible | |
838 # to query the database (and the very large log) using the | |
839 # second connection. | |
840 # | |
841 # wal-13.4.*: Same test as wal-13.3.*. Except in this case the second | |
842 # connection is opened by an external process. | |
843 # | |
844 do_test wal-13.1.1 { | |
845 list [file exists test.db] [file exists test.db-wal] | |
846 } {1 0} | |
847 do_test wal-13.1.2 { | |
848 set fd [open test.db-wal w] | |
849 seek $fd [expr 200*1024*1024] | |
850 puts $fd "" | |
851 close $fd | |
852 sqlite3 db test.db | |
853 execsql { SELECT * FROM t2 } | |
854 } {B 2} | |
855 do_test wal-13.1.3 { | |
856 db close | |
857 file exists test.db-wal | |
858 } {0} | |
859 | |
860 do_test wal-13.2.1 { | |
861 sqlite3 db test.db | |
862 execsql { SELECT count(*) FROM t2 } | |
863 } {1} | |
864 do_test wal-13.2.2 { | |
865 db function blob blob | |
866 for {set i 0} {$i < 16} {incr i} { | |
867 execsql { INSERT INTO t2 SELECT blob(400), blob(400) FROM t2 } | |
868 } | |
869 execsql { SELECT count(*) FROM t2 } | |
870 } [expr int(pow(2, 16))] | |
871 do_test wal-13.2.3 { | |
872 expr [file size test.db-wal] > [wal_file_size 33000 1024] | |
873 } 1 | |
874 | |
875 do_multiclient_test tn { | |
876 incr tn 2 | |
877 | |
878 do_test wal-13.$tn.0 { | |
879 sql1 { | |
880 PRAGMA journal_mode = WAL; | |
881 CREATE TABLE t1(x); | |
882 INSERT INTO t1 SELECT randomblob(800); | |
883 } | |
884 sql1 { SELECT count(*) FROM t1 } | |
885 } {1} | |
886 | |
887 for {set ii 1} {$ii<16} {incr ii} { | |
888 do_test wal-13.$tn.$ii.a { | |
889 sql2 { INSERT INTO t1 SELECT randomblob(800) FROM t1 } | |
890 sql2 { SELECT count(*) FROM t1 } | |
891 } [expr (1<<$ii)] | |
892 do_test wal-13.$tn.$ii.b { | |
893 sql1 { SELECT count(*) FROM t1 } | |
894 } [expr (1<<$ii)] | |
895 do_test wal-13.$tn.$ii.c { | |
896 sql1 { SELECT count(*) FROM t1 } | |
897 } [expr (1<<$ii)] | |
898 do_test wal-13.$tn.$ii.d { | |
899 sql1 { PRAGMA integrity_check } | |
900 } {ok} | |
901 } | |
902 } | |
903 | |
904 #------------------------------------------------------------------------- | |
905 # Check a fun corruption case has been fixed. | |
906 # | |
907 # The problem was that after performing a checkpoint using a connection | |
908 # that had an out-of-date pager-cache, the next time the connection was | |
909 # used it did not realize the cache was out-of-date and proceeded to | |
910 # operate with an inconsistent cache. Leading to corruption. | |
911 # | |
912 catch { db close } | |
913 catch { db2 close } | |
914 catch { db3 close } | |
915 forcedelete test.db test.db-wal | |
916 sqlite3 db test.db | |
917 sqlite3 db2 test.db | |
918 do_test wal-14 { | |
919 execsql { | |
920 PRAGMA journal_mode = WAL; | |
921 CREATE TABLE t1(a PRIMARY KEY, b); | |
922 INSERT INTO t1 VALUES(randomblob(10), randomblob(100)); | |
923 INSERT INTO t1 SELECT randomblob(10), randomblob(100) FROM t1; | |
924 INSERT INTO t1 SELECT randomblob(10), randomblob(100) FROM t1; | |
925 INSERT INTO t1 SELECT randomblob(10), randomblob(100) FROM t1; | |
926 } | |
927 | |
928 db2 eval { | |
929 INSERT INTO t1 SELECT randomblob(10), randomblob(100); | |
930 INSERT INTO t1 SELECT randomblob(10), randomblob(100); | |
931 INSERT INTO t1 SELECT randomblob(10), randomblob(100); | |
932 INSERT INTO t1 SELECT randomblob(10), randomblob(100); | |
933 } | |
934 | |
935 # After executing the "PRAGMA wal_checkpoint", connection [db] was being | |
936 # left with an inconsistent cache. Running the CREATE INDEX statement | |
937 # in this state led to database corruption. | |
938 catchsql { | |
939 PRAGMA wal_checkpoint; | |
940 CREATE INDEX i1 on t1(b); | |
941 } | |
942 | |
943 db2 eval { PRAGMA integrity_check } | |
944 } {ok} | |
945 | |
946 catch { db close } | |
947 catch { db2 close } | |
948 | |
949 #------------------------------------------------------------------------- | |
950 # The following block of tests - wal-15.* - focus on testing the | |
951 # implementation of the sqlite3_wal_checkpoint() interface. | |
952 # | |
953 forcedelete test.db test.db-wal | |
954 sqlite3 db test.db | |
955 do_test wal-15.1 { | |
956 execsql { | |
957 PRAGMA auto_vacuum = 0; | |
958 PRAGMA page_size = 1024; | |
959 PRAGMA journal_mode = WAL; | |
960 } | |
961 execsql { | |
962 CREATE TABLE t1(a, b); | |
963 INSERT INTO t1 VALUES(1, 2); | |
964 } | |
965 } {} | |
966 | |
967 # Test that an error is returned if the database name is not recognized | |
968 # | |
969 do_test wal-15.2.1 { | |
970 sqlite3_wal_checkpoint db aux | |
971 } {SQLITE_ERROR} | |
972 do_test wal-15.2.2 { | |
973 sqlite3_errcode db | |
974 } {SQLITE_ERROR} | |
975 do_test wal-15.2.3 { | |
976 sqlite3_errmsg db | |
977 } {unknown database: aux} | |
978 | |
979 # Test that an error is returned if an attempt is made to checkpoint | |
980 # if a transaction is open on the database. | |
981 # | |
982 do_test wal-15.3.1 { | |
983 execsql { | |
984 BEGIN; | |
985 INSERT INTO t1 VALUES(3, 4); | |
986 } | |
987 sqlite3_wal_checkpoint db main | |
988 } {SQLITE_LOCKED} | |
989 do_test wal-15.3.2 { | |
990 sqlite3_errcode db | |
991 } {SQLITE_LOCKED} | |
992 do_test wal-15.3.3 { | |
993 sqlite3_errmsg db | |
994 } {database table is locked} | |
995 | |
996 # Earlier versions returned an error is returned if the db cannot be | |
997 # checkpointed because of locks held by another connection. Check that | |
998 # this is no longer the case. | |
999 # | |
1000 sqlite3 db2 test.db | |
1001 do_test wal-15.4.1 { | |
1002 execsql { | |
1003 BEGIN; | |
1004 SELECT * FROM t1; | |
1005 } db2 | |
1006 } {1 2} | |
1007 do_test wal-15.4.2 { | |
1008 execsql { COMMIT } | |
1009 sqlite3_wal_checkpoint db | |
1010 } {SQLITE_OK} | |
1011 do_test wal-15.4.3 { | |
1012 sqlite3_errmsg db | |
1013 } {not an error} | |
1014 | |
1015 # After [db2] drops its lock, [db] may checkpoint the db. | |
1016 # | |
1017 do_test wal-15.4.4 { | |
1018 execsql { COMMIT } db2 | |
1019 sqlite3_wal_checkpoint db | |
1020 } {SQLITE_OK} | |
1021 do_test wal-15.4.5 { | |
1022 sqlite3_errmsg db | |
1023 } {not an error} | |
1024 do_test wal-15.4.6 { | |
1025 file size test.db | |
1026 } [expr 1024*2] | |
1027 | |
1028 catch { db2 close } | |
1029 catch { db close } | |
1030 | |
1031 #------------------------------------------------------------------------- | |
1032 # The following block of tests - wal-16.* - test that if a NULL pointer or | |
1033 # an empty string is passed as the second argument of the wal_checkpoint() | |
1034 # API, an attempt is made to checkpoint all attached databases. | |
1035 # | |
1036 foreach {tn ckpt_cmd ckpt_res ckpt_main ckpt_aux} { | |
1037 1 {sqlite3_wal_checkpoint db} SQLITE_OK 1 1 | |
1038 2 {sqlite3_wal_checkpoint db ""} SQLITE_OK 1 1 | |
1039 3 {db eval "PRAGMA wal_checkpoint"} {0 10 10} 1 1 | |
1040 | |
1041 4 {sqlite3_wal_checkpoint db main} SQLITE_OK 1 0 | |
1042 5 {sqlite3_wal_checkpoint db aux} SQLITE_OK 0 1 | |
1043 6 {sqlite3_wal_checkpoint db temp} SQLITE_OK 0 0 | |
1044 7 {db eval "PRAGMA main.wal_checkpoint"} {0 10 10} 1 0 | |
1045 8 {db eval "PRAGMA aux.wal_checkpoint"} {0 13 13} 0 1 | |
1046 9 {db eval "PRAGMA temp.wal_checkpoint"} {0 -1 -1} 0 0 | |
1047 } { | |
1048 do_test wal-16.$tn.1 { | |
1049 forcedelete test2.db test2.db-wal test2.db-journal | |
1050 forcedelete test.db test.db-wal test.db-journal | |
1051 | |
1052 sqlite3 db test.db | |
1053 execsql { | |
1054 ATTACH 'test2.db' AS aux; | |
1055 PRAGMA main.auto_vacuum = 0; | |
1056 PRAGMA aux.auto_vacuum = 0; | |
1057 PRAGMA main.journal_mode = WAL; | |
1058 PRAGMA aux.journal_mode = WAL; | |
1059 PRAGMA main.synchronous = NORMAL; | |
1060 PRAGMA aux.synchronous = NORMAL; | |
1061 } | |
1062 } {wal wal} | |
1063 | |
1064 do_test wal-16.$tn.2 { | |
1065 execsql { | |
1066 CREATE TABLE main.t1(a, b, PRIMARY KEY(a, b)); | |
1067 CREATE TABLE aux.t2(a, b, PRIMARY KEY(a, b)); | |
1068 | |
1069 INSERT INTO t2 VALUES(1, randomblob(1000)); | |
1070 INSERT INTO t2 VALUES(2, randomblob(1000)); | |
1071 INSERT INTO t1 SELECT * FROM t2; | |
1072 } | |
1073 | |
1074 list [file size test.db] [file size test.db-wal] | |
1075 } [list [expr 1*1024] [wal_file_size 10 1024]] | |
1076 do_test wal-16.$tn.3 { | |
1077 list [file size test2.db] [file size test2.db-wal] | |
1078 } [list [expr 1*1024] [wal_file_size 13 1024]] | |
1079 | |
1080 do_test wal-16.$tn.4 [list eval $ckpt_cmd] $ckpt_res | |
1081 | |
1082 do_test wal-16.$tn.5 { | |
1083 list [file size test.db] [file size test.db-wal] | |
1084 } [list [expr ($ckpt_main ? 7 : 1)*1024] [wal_file_size 10 1024]] | |
1085 | |
1086 do_test wal-16.$tn.6 { | |
1087 list [file size test2.db] [file size test2.db-wal] | |
1088 } [list [expr ($ckpt_aux ? 7 : 1)*1024] [wal_file_size 13 1024]] | |
1089 | |
1090 catch { db close } | |
1091 } | |
1092 | |
1093 #------------------------------------------------------------------------- | |
1094 # The following tests - wal-17.* - attempt to verify that the correct | |
1095 # number of "padding" frames are appended to the log file when a transaction | |
1096 # is committed in synchronous=FULL mode. | |
1097 # | |
1098 # Do this by creating a database that uses 512 byte pages. Then writing | |
1099 # a transaction that modifies 171 pages. In synchronous=NORMAL mode, this | |
1100 # produces a log file of: | |
1101 # | |
1102 # 32 + (24+512)*171 = 90312 bytes. | |
1103 # | |
1104 # Slightly larger than 11*8192 = 90112 bytes. | |
1105 # | |
1106 # Run the test using various different sector-sizes. In each case, the | |
1107 # WAL code should write the 90300 bytes of log file containing the | |
1108 # transaction, then append as may frames as are required to extend the | |
1109 # log file so that no part of the next transaction will be written into | |
1110 # a disk-sector used by transaction just committed. | |
1111 # | |
1112 set old_pending_byte [sqlite3_test_control_pending_byte 0x10000000] | |
1113 catch { db close } | |
1114 foreach {tn sectorsize logsize} " | |
1115 1 128 [wal_file_size 172 512] | |
1116 2 256 [wal_file_size 172 512] | |
1117 3 512 [wal_file_size 172 512] | |
1118 4 1024 [wal_file_size 172 512] | |
1119 5 2048 [wal_file_size 172 512] | |
1120 6 4096 [wal_file_size 176 512] | |
1121 7 8192 [wal_file_size 184 512] | |
1122 " { | |
1123 forcedelete test.db test.db-wal test.db-journal | |
1124 sqlite3_simulate_device -sectorsize $sectorsize | |
1125 sqlite3 db test.db -vfs devsym | |
1126 | |
1127 do_test wal-17.$tn.1 { | |
1128 execsql { | |
1129 PRAGMA auto_vacuum = 0; | |
1130 PRAGMA page_size = 512; | |
1131 PRAGMA cache_size = -2000; | |
1132 PRAGMA journal_mode = WAL; | |
1133 PRAGMA synchronous = FULL; | |
1134 } | |
1135 execsql { | |
1136 BEGIN; | |
1137 CREATE TABLE t(x); | |
1138 } | |
1139 for {set i 0} {$i<166} {incr i} { | |
1140 execsql { INSERT INTO t VALUES(randomblob(400)) } | |
1141 } | |
1142 execsql COMMIT | |
1143 | |
1144 file size test.db-wal | |
1145 } $logsize | |
1146 | |
1147 do_test wal-17.$tn.2 { | |
1148 file size test.db | |
1149 } 512 | |
1150 | |
1151 do_test wal-17.$tn.3 { | |
1152 db close | |
1153 file size test.db | |
1154 } [expr 512*171] | |
1155 } | |
1156 sqlite3_test_control_pending_byte $old_pending_byte | |
1157 | |
1158 #------------------------------------------------------------------------- | |
1159 # This test - wal-18.* - verifies a couple of specific conditions that | |
1160 # may be encountered while recovering a log file are handled correctly: | |
1161 # | |
1162 # wal-18.1.* When the first 32-bits of a frame checksum is correct but | |
1163 # the second 32-bits are false, and | |
1164 # | |
1165 # wal-18.2.* When the page-size field that occurs at the start of a log | |
1166 # file is a power of 2 greater than 16384 or smaller than 512. | |
1167 # | |
1168 forcedelete test.db test.db-wal test.db-journal | |
1169 do_test wal-18.0 { | |
1170 sqlite3 db test.db | |
1171 execsql { | |
1172 PRAGMA page_size = 1024; | |
1173 PRAGMA auto_vacuum = 0; | |
1174 PRAGMA journal_mode = WAL; | |
1175 PRAGMA synchronous = OFF; | |
1176 | |
1177 CREATE TABLE t1(a, b, UNIQUE(a, b)); | |
1178 INSERT INTO t1 VALUES(0, 0); | |
1179 PRAGMA wal_checkpoint; | |
1180 | |
1181 INSERT INTO t1 VALUES(1, 2); -- frames 1 and 2 | |
1182 INSERT INTO t1 VALUES(3, 4); -- frames 3 and 4 | |
1183 INSERT INTO t1 VALUES(5, 6); -- frames 5 and 6 | |
1184 } | |
1185 | |
1186 forcecopy test.db testX.db | |
1187 forcecopy test.db-wal testX.db-wal | |
1188 db close | |
1189 list [file size testX.db] [file size testX.db-wal] | |
1190 } [list [expr 3*1024] [wal_file_size 6 1024]] | |
1191 | |
1192 unset -nocomplain nFrame result | |
1193 foreach {nFrame result} { | |
1194 0 {0 0} | |
1195 1 {0 0} | |
1196 2 {0 0 1 2} | |
1197 3 {0 0 1 2} | |
1198 4 {0 0 1 2 3 4} | |
1199 5 {0 0 1 2 3 4} | |
1200 6 {0 0 1 2 3 4 5 6} | |
1201 } { | |
1202 do_test wal-18.1.$nFrame { | |
1203 forcecopy testX.db test.db | |
1204 forcecopy testX.db-wal test.db-wal | |
1205 | |
1206 hexio_write test.db-wal [expr 24 + $nFrame*(24+1024) + 20] 00000000 | |
1207 | |
1208 sqlite3 db test.db | |
1209 execsql { | |
1210 SELECT * FROM t1; | |
1211 PRAGMA integrity_check; | |
1212 } | |
1213 } [concat $result ok] | |
1214 db close | |
1215 } | |
1216 | |
1217 proc randomblob {pgsz} { | |
1218 sqlite3 rbdb :memory: | |
1219 set blob [rbdb one {SELECT randomblob($pgsz)}] | |
1220 rbdb close | |
1221 set blob | |
1222 } | |
1223 | |
1224 proc logcksum {ckv1 ckv2 blob} { | |
1225 upvar $ckv1 c1 | |
1226 upvar $ckv2 c2 | |
1227 | |
1228 # Since the magic number at the start of the -wal file header is | |
1229 # 931071618 that indicates that the content should always be read as | |
1230 # little-endian. | |
1231 # | |
1232 set scanpattern i* | |
1233 | |
1234 binary scan $blob $scanpattern values | |
1235 foreach {v1 v2} $values { | |
1236 set c1 [expr {($c1 + $v1 + $c2)&0xFFFFFFFF}] | |
1237 set c2 [expr {($c2 + $v2 + $c1)&0xFFFFFFFF}] | |
1238 } | |
1239 } | |
1240 | |
1241 forcecopy test.db testX.db | |
1242 foreach {tn pgsz works} { | |
1243 1 128 0 | |
1244 2 256 0 | |
1245 3 512 1 | |
1246 4 1024 1 | |
1247 5 2048 1 | |
1248 6 4096 1 | |
1249 7 8192 1 | |
1250 8 16384 1 | |
1251 9 32768 1 | |
1252 10 65536 1 | |
1253 11 131072 0 | |
1254 11 1016 0 | |
1255 } { | |
1256 | |
1257 if {$::SQLITE_MAX_PAGE_SIZE < $pgsz} { | |
1258 set works 0 | |
1259 } | |
1260 | |
1261 for {set pg 1} {$pg <= 3} {incr pg} { | |
1262 forcecopy testX.db test.db | |
1263 forcedelete test.db-wal | |
1264 | |
1265 # Check that the database now exists and consists of three pages. And | |
1266 # that there is no associated wal file. | |
1267 # | |
1268 do_test wal-18.2.$tn.$pg.1 { file exists test.db-wal } 0 | |
1269 do_test wal-18.2.$tn.$pg.2 { file exists test.db } 1 | |
1270 do_test wal-18.2.$tn.$pg.3 { file size test.db } [expr 1024*3] | |
1271 | |
1272 do_test wal-18.2.$tn.$pg.4 { | |
1273 | |
1274 # Create a wal file that contains a single frame (database page | |
1275 # number $pg) with the commit flag set. The frame checksum is | |
1276 # correct, but the contents of the database page are corrupt. | |
1277 # | |
1278 # The page-size in the log file header is set to $pgsz. If the | |
1279 # WAL code considers $pgsz to be a valid SQLite database file page-size, | |
1280 # the database will be corrupt (because the garbage frame contents | |
1281 # will be treated as valid content). If $pgsz is invalid (too small | |
1282 # or too large), the db will not be corrupt as the log file will | |
1283 # be ignored. | |
1284 # | |
1285 set walhdr [binary format IIIIII 931071618 3007000 $pgsz 1234 22 23] | |
1286 set framebody [randomblob $pgsz] | |
1287 set framehdr [binary format IIII $pg 5 22 23] | |
1288 set c1 0 | |
1289 set c2 0 | |
1290 logcksum c1 c2 $walhdr | |
1291 | |
1292 append walhdr [binary format II $c1 $c2] | |
1293 logcksum c1 c2 [string range $framehdr 0 7] | |
1294 logcksum c1 c2 $framebody | |
1295 set framehdr [binary format IIIIII $pg 5 22 23 $c1 $c2] | |
1296 | |
1297 set fd [open test.db-wal w] | |
1298 fconfigure $fd -encoding binary -translation binary | |
1299 puts -nonewline $fd $walhdr | |
1300 puts -nonewline $fd $framehdr | |
1301 puts -nonewline $fd $framebody | |
1302 close $fd | |
1303 | |
1304 file size test.db-wal | |
1305 } [wal_file_size 1 $pgsz] | |
1306 | |
1307 do_test wal-18.2.$tn.$pg.5 { | |
1308 sqlite3 db test.db | |
1309 set rc [catch { db one {PRAGMA integrity_check} } msg] | |
1310 expr { $rc!=0 || $msg!="ok" } | |
1311 } $works | |
1312 | |
1313 db close | |
1314 } | |
1315 } | |
1316 | |
1317 #------------------------------------------------------------------------- | |
1318 # The following test - wal-19.* - fixes a bug that was present during | |
1319 # development. | |
1320 # | |
1321 # When a database connection in WAL mode is closed, it attempts an | |
1322 # EXCLUSIVE lock on the database file. If the lock is obtained, the | |
1323 # connection knows that it is the last connection to disconnect from | |
1324 # the database, so it runs a checkpoint operation. The bug was that | |
1325 # the connection was not updating its private copy of the wal-index | |
1326 # header before doing so, meaning that it could checkpoint an old | |
1327 # snapshot. | |
1328 # | |
1329 do_test wal-19.1 { | |
1330 forcedelete test.db test.db-wal test.db-journal | |
1331 sqlite3 db test.db | |
1332 sqlite3 db2 test.db | |
1333 execsql { | |
1334 PRAGMA journal_mode = WAL; | |
1335 CREATE TABLE t1(a, b); | |
1336 INSERT INTO t1 VALUES(1, 2); | |
1337 INSERT INTO t1 VALUES(3, 4); | |
1338 } | |
1339 execsql { SELECT * FROM t1 } db2 | |
1340 } {1 2 3 4} | |
1341 do_test wal-19.2 { | |
1342 execsql { | |
1343 INSERT INTO t1 VALUES(5, 6); | |
1344 SELECT * FROM t1; | |
1345 } | |
1346 } {1 2 3 4 5 6} | |
1347 do_test wal-19.3 { | |
1348 db close | |
1349 db2 close | |
1350 file exists test.db-wal | |
1351 } {0} | |
1352 do_test wal-19.4 { | |
1353 # When the bug was present, the following was returning {1 2 3 4} only, | |
1354 # as [db2] had an out-of-date copy of the wal-index header when it was | |
1355 # closed. | |
1356 # | |
1357 sqlite3 db test.db | |
1358 execsql { SELECT * FROM t1 } | |
1359 } {1 2 3 4 5 6} | |
1360 | |
1361 #------------------------------------------------------------------------- | |
1362 # This test - wal-20.* - uses two connections. One in this process and | |
1363 # the other in an external process. The procedure is: | |
1364 # | |
1365 # 1. Using connection 1, create the database schema. | |
1366 # | |
1367 # 2. Using connection 2 (in an external process), add so much | |
1368 # data to the database without checkpointing that a wal-index | |
1369 # larger than 64KB is required. | |
1370 # | |
1371 # 3. Using connection 1, checkpoint the database. Make sure all | |
1372 # the data is present and the database is not corrupt. | |
1373 # | |
1374 # At one point, SQLite was failing to grow the mapping of the wal-index | |
1375 # file in step 3 and the checkpoint was corrupting the database file. | |
1376 # | |
1377 do_test wal-20.1 { | |
1378 catch {db close} | |
1379 forcedelete test.db test.db-wal test.db-journal | |
1380 sqlite3 db test.db | |
1381 execsql { | |
1382 PRAGMA journal_mode = WAL; | |
1383 CREATE TABLE t1(x); | |
1384 INSERT INTO t1 VALUES(randomblob(900)); | |
1385 SELECT count(*) FROM t1; | |
1386 } | |
1387 } {wal 1} | |
1388 do_test wal-20.2 { | |
1389 set ::buddy [launch_testfixture] | |
1390 testfixture $::buddy { | |
1391 sqlite3 db test.db | |
1392 db transaction { db eval { | |
1393 PRAGMA wal_autocheckpoint = 0; | |
1394 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 2 */ | |
1395 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 4 */ | |
1396 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 8 */ | |
1397 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 16 */ | |
1398 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 32 */ | |
1399 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 64 */ | |
1400 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 128 */ | |
1401 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 256 */ | |
1402 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 512 */ | |
1403 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 1024 */ | |
1404 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 2048 */ | |
1405 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 4096 */ | |
1406 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 8192 */ | |
1407 INSERT INTO t1 SELECT randomblob(900) FROM t1; /* 16384 */ | |
1408 } } | |
1409 } | |
1410 } {0} | |
1411 do_test wal-20.3 { | |
1412 close $::buddy | |
1413 execsql { PRAGMA wal_checkpoint } | |
1414 execsql { SELECT count(*) FROM t1 } | |
1415 } {16384} | |
1416 do_test wal-20.4 { | |
1417 db close | |
1418 sqlite3 db test.db | |
1419 execsql { SELECT count(*) FROM t1 } | |
1420 } {16384} | |
1421 integrity_check wal-20.5 | |
1422 | |
1423 catch { db2 close } | |
1424 catch { db close } | |
1425 | |
1426 do_test wal-21.1 { | |
1427 faultsim_delete_and_reopen | |
1428 execsql { | |
1429 PRAGMA journal_mode = WAL; | |
1430 CREATE TABLE t1(a, b); | |
1431 INSERT INTO t1 VALUES(1, 2); | |
1432 INSERT INTO t1 VALUES(3, 4); | |
1433 INSERT INTO t1 VALUES(5, 6); | |
1434 INSERT INTO t1 VALUES(7, 8); | |
1435 INSERT INTO t1 VALUES(9, 10); | |
1436 INSERT INTO t1 VALUES(11, 12); | |
1437 } | |
1438 } {wal} | |
1439 do_test wal-21.2 { | |
1440 execsql { | |
1441 PRAGMA cache_size = 10; | |
1442 PRAGMA wal_checkpoint; | |
1443 BEGIN; | |
1444 SAVEPOINT s; | |
1445 INSERT INTO t1 SELECT randomblob(900), randomblob(900) FROM t1; | |
1446 ROLLBACK TO s; | |
1447 COMMIT; | |
1448 } | |
1449 execsql { SELECT * FROM t1 } | |
1450 } {1 2 3 4 5 6 7 8 9 10 11 12} | |
1451 do_test wal-21.3 { | |
1452 execsql { PRAGMA integrity_check } | |
1453 } {ok} | |
1454 | |
1455 #------------------------------------------------------------------------- | |
1456 # Test reading and writing of databases with different page-sizes. | |
1457 # | |
1458 foreach pgsz {512 1024 2048 4096 8192 16384 32768 65536} { | |
1459 do_multiclient_test tn [string map [list %PGSZ% $pgsz] { | |
1460 do_test wal-22.%PGSZ%.$tn.1 { | |
1461 sql1 { | |
1462 PRAGMA main.page_size = %PGSZ%; | |
1463 PRAGMA auto_vacuum = 0; | |
1464 PRAGMA journal_mode = WAL; | |
1465 CREATE TABLE t1(x UNIQUE); | |
1466 INSERT INTO t1 SELECT randomblob(800); | |
1467 INSERT INTO t1 SELECT randomblob(800); | |
1468 INSERT INTO t1 SELECT randomblob(800); | |
1469 } | |
1470 } {wal} | |
1471 do_test wal-22.%PGSZ%.$tn.2 { sql2 { PRAGMA integrity_check } } {ok} | |
1472 do_test wal-22.%PGSZ%.$tn.3 { | |
1473 sql1 {PRAGMA wal_checkpoint} | |
1474 expr {[file size test.db] % %PGSZ%} | |
1475 } {0} | |
1476 }] | |
1477 } | |
1478 | |
1479 #------------------------------------------------------------------------- | |
1480 # Test that when 1 or more pages are recovered from a WAL file, | |
1481 # sqlite3_log() is invoked to report this to the user. | |
1482 # | |
1483 ifcapable curdir { | |
1484 set walfile [file nativename [file join [get_pwd] test.db-wal]] | |
1485 } else { | |
1486 set walfile test.db-wal | |
1487 } | |
1488 catch {db close} | |
1489 forcedelete test.db | |
1490 do_test wal-23.1 { | |
1491 faultsim_delete_and_reopen | |
1492 execsql { | |
1493 CREATE TABLE t1(a, b); | |
1494 PRAGMA journal_mode = WAL; | |
1495 INSERT INTO t1 VALUES(1, 2); | |
1496 INSERT INTO t1 VALUES(3, 4); | |
1497 } | |
1498 faultsim_save_and_close | |
1499 | |
1500 sqlite3_shutdown | |
1501 test_sqlite3_log [list lappend ::log] | |
1502 set ::log [list] | |
1503 sqlite3 db test.db | |
1504 execsql { SELECT * FROM t1 } | |
1505 } {1 2 3 4} | |
1506 do_test wal-23.2 { set ::log } {} | |
1507 | |
1508 do_test wal-23.3 { | |
1509 db close | |
1510 set ::log [list] | |
1511 faultsim_restore_and_reopen | |
1512 execsql { SELECT * FROM t1 } | |
1513 } {1 2 3 4} | |
1514 do_test wal-23.4 { | |
1515 set ::log | |
1516 } [list SQLITE_NOTICE_RECOVER_WAL \ | |
1517 "recovered 2 frames from WAL file $walfile"] | |
1518 | |
1519 | |
1520 ifcapable autovacuum { | |
1521 # This block tests that if the size of a database is reduced by a | |
1522 # transaction (because of an incremental or auto-vacuum), that no | |
1523 # data is written to the WAL file for the truncated pages as part | |
1524 # of the commit. e.g. if a transaction reduces the size of a database | |
1525 # to N pages, data for page N+1 should not be written to the WAL file | |
1526 # when committing the transaction. At one point such data was being | |
1527 # written. | |
1528 # | |
1529 catch {db close} | |
1530 forcedelete test.db | |
1531 sqlite3 db test.db | |
1532 do_execsql_test 24.1 { | |
1533 PRAGMA auto_vacuum = 2; | |
1534 PRAGMA journal_mode = WAL; | |
1535 PRAGMA page_size = 1024; | |
1536 CREATE TABLE t1(x); | |
1537 INSERT INTO t1 VALUES(randomblob(5000)); | |
1538 INSERT INTO t1 SELECT * FROM t1; | |
1539 INSERT INTO t1 SELECT * FROM t1; | |
1540 INSERT INTO t1 SELECT * FROM t1; | |
1541 INSERT INTO t1 SELECT * FROM t1; | |
1542 } {wal} | |
1543 do_test 24.2 { | |
1544 execsql { | |
1545 DELETE FROM t1; | |
1546 PRAGMA wal_checkpoint; | |
1547 } | |
1548 db close | |
1549 sqlite3 db test.db | |
1550 file exists test.db-wal | |
1551 } 0 | |
1552 do_test 24.3 { | |
1553 file size test.db | |
1554 } [expr 84 * 1024] | |
1555 do_test 24.4 { | |
1556 execsql { | |
1557 PRAGMA cache_size = 200; | |
1558 PRAGMA incremental_vacuum; | |
1559 PRAGMA wal_checkpoint; | |
1560 } | |
1561 file size test.db | |
1562 } [expr 3 * 1024] | |
1563 | |
1564 # WAL file now contains a single frame - the new root page for table t1. | |
1565 # It would be two frames (the new root page and a padding frame) if the | |
1566 # ZERO_DAMAGE flag were not set. | |
1567 do_test 24.5 { | |
1568 file size test.db-wal | |
1569 } [wal_file_size 1 1024] | |
1570 } | |
1571 | |
1572 db close | |
1573 sqlite3_shutdown | |
1574 test_sqlite3_log | |
1575 sqlite3_initialize | |
1576 | |
1577 # Make sure PRAGMA journal_mode=WAL works with ATTACHED databases in | |
1578 # all journal modes. | |
1579 # | |
1580 foreach mode {OFF MEMORY PERSIST DELETE TRUNCATE WAL} { | |
1581 delete_file test.db test2.db | |
1582 sqlite3 db test.db | |
1583 do_test wal-25.$mode { | |
1584 db eval "PRAGMA journal_mode=$mode" | |
1585 db eval {ATTACH 'test2.db' AS t2; PRAGMA journal_mode=WAL;} | |
1586 } {wal} | |
1587 db close | |
1588 } | |
1589 | |
1590 finish_test | |
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