Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Add tests to ensure that each of the 4 wal read-locks does what it is supposed to. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | wal2 |
Files: | files | file ages | folders |
SHA3-256: |
4d5779f31d4931edb8bb8952d8886625 |
User & Date: | dan 2018-12-12 19:04:19.425 |
Context
2018-12-12
| ||
20:39 | Add new test file wal2big.test. (check-in: e3e50bcdab user: dan tags: wal2) | |
19:04 | Add tests to ensure that each of the 4 wal read-locks does what it is supposed to. (check-in: 4d5779f31d user: dan tags: wal2) | |
2018-12-11
| ||
17:56 | Change the way wal2 locks work to ensure a reader only ever has to lock a single slot. (check-in: 18b2c23ac5 user: dan tags: wal2) | |
Changes
Changes to test/wal2simple.test.
︙ | ︙ | |||
110 111 112 113 114 115 116 | do_execsql_test 3.0 { CREATE TABLE t1(x BLOB, y INTEGER PRIMARY KEY); CREATE INDEX i1 ON t1(x); PRAGMA cache_size = 5; PRAGMA journal_mode = wal2; } {wal2} | < | 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | do_execsql_test 3.0 { CREATE TABLE t1(x BLOB, y INTEGER PRIMARY KEY); CREATE INDEX i1 ON t1(x); PRAGMA cache_size = 5; PRAGMA journal_mode = wal2; } {wal2} do_test 3.1 { execsql BEGIN for {set i 1} {$i < 1000} {incr i} { execsql { INSERT INTO t1 VALUES(randomblob(800), $i) } } execsql COMMIT } {} |
︙ | ︙ | |||
282 283 284 285 286 287 288 289 290 | do_test 6.4.2 { db2 eval { PRAGMA journal_mode = wal2; SELECT * FROM sqlite_master; } } {wal2} db2 close finish_test | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 | do_test 6.4.2 { db2 eval { PRAGMA journal_mode = wal2; SELECT * FROM sqlite_master; } } {wal2} db2 close #------------------------------------------------------------------------- reset_db sqlite3 db2 test.db do_execsql_test 7.0 { PRAGMA journal_size_limit = 10000; PRAGMA journal_mode = wal2; PRAGMA wal_autocheckpoint = 0; BEGIN; CREATE TABLE t1(a); INSERT INTO t1 VALUES( randomblob(8000) ); COMMIT; } {10000 wal2 0} do_test 7.1 { list [file size test.db-wal] [file size test.db-wal2] } {9464 0} # Connection db2 is holding a PART1 lock. # # 7.2.2: Test that the PART1 does not prevent db from switching to the # other wal file. # # 7.2.3: Test that the PART1 does prevent a checkpoint of test.db-wal. # # 7.2.4: Test that after the PART1 is released the checkpoint is possible. # do_test 7.2.1 { execsql { BEGIN; SELECT count(*) FROM t1; } db2 } {1} do_test 7.2.2 { execsql { INSERT INTO t1 VALUES( randomblob(800) ); INSERT INTO t1 VALUES( randomblob(800) ); } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {13656 3176 1024} do_test 7.2.3 { execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {13656 3176 1024} do_test 7.2.4 { execsql { END } db2 execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {13656 3176 11264} # Connection db2 is holding a PART2_FULL1 lock. # # 7.3.2: Test that the lock does not prevent checkpointing. # # 7.3.3: Test that the lock does prevent the writer from overwriting # test.db-wal. # # 7.3.4: Test that after the PART2_FULL1 is released the writer can # switch wal files and overwrite test.db-wal # db close db2 close sqlite3 db test.db sqlite3 db2 test.db do_test 7.3.1 { execsql { PRAGMA wal_autocheckpoint = 0; PRAGMA journal_size_limit = 10000; INSERT INTO t1 VALUES(randomblob(10000)); INSERT INTO t1 VALUES(randomblob(500)); } execsql { BEGIN; SELECT count(*) FROM t1; } db2 list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 3176 11264} do_test 7.3.2 { execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 3176 21504} do_test 7.3.3 { execsql { INSERT INTO t1 VALUES(randomblob(10000)); INSERT INTO t1 VALUES(randomblob(500)); } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 18896 21504} do_test 7.3.4 { execsql END db2 execsql { INSERT INTO t1 VALUES(randomblob(5000)); } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 18896 21504} # Connection db2 is holding a PART2 lock. # # 7.4.2: Test that the lock does not prevent writer switching to test.db-wal. # # 7.3.3: Test that the lock does prevent checkpointing of test.db-wal2. # # 7.3.4: Test that after the PART2 is released test.db-wal2 can be # checkpointed. # db close db2 close sqlite3 db test.db sqlite3 db2 test.db do_test 7.4.1 { execsql { PRAGMA wal_autocheckpoint = 0; PRAGMA journal_size_limit = 10000; INSERT INTO t1 VALUES(randomblob(10000)); INSERT INTO t1 VALUES(randomblob(10000)); PRAGMA wal_checkpoint; } execsql { BEGIN; SELECT count(*) FROM t1; } db2 list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 44032} do_test 7.4.2 { execsql { INSERT INTO t1 VALUES(randomblob(5000)); } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 44032} do_test 7.4.3 { execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 44032} do_test 7.4.4 { execsql END db2 execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 54272} # Connection db2 is holding a PART1_FULL2 lock. # # 7.5.2: Test that the lock does not prevent a checkpoint of test.db-wal2. # # 7.5.3: Test that the lock does prevent the writer from overwriting # test.db-wal2. # # 7.5.4: Test that after the PART1_FULL2 lock is released, the writer # can switch to test.db-wal2. # db close db2 close sqlite3 db test.db sqlite3 db2 test.db do_test 7.5.1 { execsql { PRAGMA wal_autocheckpoint = 0; PRAGMA journal_size_limit = 10000; INSERT INTO t1 VALUES(randomblob(10000)); INSERT INTO t1 VALUES(randomblob(10000)); PRAGMA wal_checkpoint; INSERT INTO t1 VALUES(randomblob(5000)); } execsql { BEGIN; SELECT count(*) FROM t1; } db2 list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 64512} do_test 7.5.2 { execsql { PRAGMA wal_checkpoint } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {12608 12608 75776} do_test 7.5.3.1 { execsql { INSERT INTO t1 VALUES(randomblob(5000)) } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {14704 12608 75776} do_test 7.5.3.2 { execsql { INSERT INTO t1 VALUES(randomblob(5000)) } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {22040 12608 75776} do_test 7.5.4 { execsql END db2 execsql { INSERT INTO t1 VALUES(randomblob(5000)) } list [file size test.db-wal] [file size test.db-wal2] [file size test.db] } {22040 12608 75776} finish_test |