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| 1 # 2007 April 26 |
| 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 incremental vacuum feature. |
| 13 # |
| 14 # Note: There are also some tests for incremental vacuum and IO |
| 15 # errors in incrvacuum_ioerr.test. |
| 16 # |
| 17 # $Id: incrvacuum.test,v 1.23 2009/02/18 20:31:18 drh Exp $ |
| 18 |
| 19 set testdir [file dirname $argv0] |
| 20 source $testdir/tester.tcl |
| 21 |
| 22 # If this build of the library does not support auto-vacuum, omit this |
| 23 # whole file. |
| 24 ifcapable {!autovacuum || !pragma} { |
| 25 finish_test |
| 26 return |
| 27 } |
| 28 |
| 29 #--------------------------------------------------------------------- |
| 30 # Test the pragma on an empty database. |
| 31 # |
| 32 do_test incrvacuum-1.1 { |
| 33 execsql { |
| 34 pragma auto_vacuum; |
| 35 } |
| 36 } $sqlite_options(default_autovacuum) |
| 37 do_test incrvacuum-1.2.0 { |
| 38 # File size is sometimes 1 instead of 0 due to the hack we put in |
| 39 # to work around ticket #3260. Search for comments on #3260 in |
| 40 # os_unix.c. |
| 41 expr {[file size test.db] > 1} |
| 42 } {0} |
| 43 do_test incrvacuum-1.2 { |
| 44 # This command will create the database. |
| 45 execsql { |
| 46 pragma auto_vacuum = 'full'; |
| 47 pragma auto_vacuum; |
| 48 } |
| 49 } {1} |
| 50 do_test incrvacuum-1.2.1 { |
| 51 expr {[file size test.db] > 0} |
| 52 } {1} |
| 53 do_test incrvacuum-1.3 { |
| 54 execsql { |
| 55 pragma auto_vacuum = 'incremental'; |
| 56 pragma auto_vacuum; |
| 57 } |
| 58 } {2} |
| 59 do_test incrvacuum-1.4 { |
| 60 # In this case the invalid value is ignored and the auto_vacuum |
| 61 # setting remains unchanged. |
| 62 execsql { |
| 63 pragma auto_vacuum = 'invalid'; |
| 64 pragma auto_vacuum; |
| 65 } |
| 66 } {2} |
| 67 do_test incrvacuum-1.5 { |
| 68 execsql { |
| 69 pragma auto_vacuum = 1; |
| 70 pragma auto_vacuum; |
| 71 } |
| 72 } {1} |
| 73 do_test incrvacuum-1.6 { |
| 74 execsql { |
| 75 pragma auto_vacuum = '2'; |
| 76 pragma auto_vacuum; |
| 77 } |
| 78 } {2} |
| 79 do_test incrvacuum-1.7 { |
| 80 # Invalid value. auto_vacuum setting remains unchanged. |
| 81 execsql { |
| 82 pragma auto_vacuum = 5; |
| 83 pragma auto_vacuum; |
| 84 } |
| 85 } {2} |
| 86 |
| 87 #--------------------------------------------------------------------- |
| 88 # Test the pragma on a non-empty database. It is possible to toggle |
| 89 # the connection between "full" and "incremental" mode, but not to |
| 90 # change from either of these to "none", or from "none" to "full" or |
| 91 # "incremental". |
| 92 # |
| 93 do_test incrvacuum-2.1 { |
| 94 execsql { |
| 95 pragma auto_vacuum = 1; |
| 96 CREATE TABLE abc(a, b, c); |
| 97 } |
| 98 } {} |
| 99 do_test incrvacuum-2.2 { |
| 100 execsql { |
| 101 pragma auto_vacuum = 'none'; |
| 102 pragma auto_vacuum; |
| 103 } |
| 104 } {1} |
| 105 do_test incrvacuum-2.2.1 { |
| 106 db close |
| 107 sqlite3 db test.db |
| 108 execsql { |
| 109 pragma auto_vacuum; |
| 110 } |
| 111 } {1} |
| 112 do_test incrvacuum-2.3 { |
| 113 execsql { |
| 114 pragma auto_vacuum = 'incremental'; |
| 115 pragma auto_vacuum; |
| 116 } |
| 117 } {2} |
| 118 do_test incrvacuum-2.4 { |
| 119 execsql { |
| 120 pragma auto_vacuum = 'full'; |
| 121 pragma auto_vacuum; |
| 122 } |
| 123 } {1} |
| 124 |
| 125 #--------------------------------------------------------------------- |
| 126 # Test that when the auto_vacuum mode is "incremental", the database |
| 127 # does not shrink when pages are removed from it. But it does if |
| 128 # the mode is set to "full". |
| 129 # |
| 130 do_test incrvacuum-3.1 { |
| 131 execsql { |
| 132 pragma auto_vacuum; |
| 133 } |
| 134 } {1} |
| 135 do_test incrvacuum-3.2 { |
| 136 set ::str [string repeat 1234567890 110] |
| 137 execsql { |
| 138 PRAGMA auto_vacuum = 2; |
| 139 BEGIN; |
| 140 CREATE TABLE tbl2(str); |
| 141 INSERT INTO tbl2 VALUES($::str); |
| 142 COMMIT; |
| 143 } |
| 144 # 5 pages: |
| 145 # |
| 146 # 1 -> database header |
| 147 # 2 -> first back-pointer page |
| 148 # 3 -> table abc |
| 149 # 4 -> table tbl2 |
| 150 # 5 -> table tbl2 overflow page. |
| 151 # |
| 152 expr {[file size test.db] / 1024} |
| 153 } {5} |
| 154 do_test incrvacuum-3.3 { |
| 155 execsql { |
| 156 DROP TABLE abc; |
| 157 DELETE FROM tbl2; |
| 158 } |
| 159 expr {[file size test.db] / 1024} |
| 160 } {5} |
| 161 do_test incrvacuum-3.4 { |
| 162 execsql { |
| 163 PRAGMA auto_vacuum = 1; |
| 164 INSERT INTO tbl2 VALUES('hello world'); |
| 165 } |
| 166 expr {[file size test.db] / 1024} |
| 167 } {3} |
| 168 |
| 169 #--------------------------------------------------------------------- |
| 170 # Try to run a very simple incremental vacuum. Also verify that |
| 171 # PRAGMA incremental_vacuum is a harmless no-op against a database that |
| 172 # does not support auto-vacuum. |
| 173 # |
| 174 do_test incrvacuum-4.1 { |
| 175 set ::str [string repeat 1234567890 110] |
| 176 execsql { |
| 177 PRAGMA auto_vacuum = 2; |
| 178 INSERT INTO tbl2 VALUES($::str); |
| 179 CREATE TABLE tbl1(a, b, c); |
| 180 } |
| 181 expr {[file size test.db] / 1024} |
| 182 } {5} |
| 183 do_test incrvacuum-4.2 { |
| 184 execsql { |
| 185 DELETE FROM tbl2; |
| 186 DROP TABLE tbl1; |
| 187 } |
| 188 expr {[file size test.db] / 1024} |
| 189 } {5} |
| 190 do_test incrvacuum-4.3 { |
| 191 set ::nStep 0 |
| 192 db eval {pragma incremental_vacuum(10)} { |
| 193 incr ::nStep |
| 194 } |
| 195 list [expr {[file size test.db] / 1024}] $::nStep |
| 196 } {3 2} |
| 197 |
| 198 #--------------------------------------------------------------------- |
| 199 # The following tests - incrvacuum-5.* - test incremental vacuum |
| 200 # from within a transaction. |
| 201 # |
| 202 do_test incrvacuum-5.1.1 { |
| 203 expr {[file size test.db] / 1024} |
| 204 } {3} |
| 205 do_test incrvacuum-5.1.2 { |
| 206 execsql { |
| 207 BEGIN; |
| 208 DROP TABLE tbl2; |
| 209 PRAGMA incremental_vacuum; |
| 210 COMMIT; |
| 211 } |
| 212 expr {[file size test.db] / 1024} |
| 213 } {1} |
| 214 |
| 215 do_test incrvacuum-5.2.1 { |
| 216 set ::str [string repeat abcdefghij 110] |
| 217 execsql { |
| 218 BEGIN; |
| 219 CREATE TABLE tbl1(a); |
| 220 INSERT INTO tbl1 VALUES($::str); |
| 221 PRAGMA incremental_vacuum; -- this is a no-op. |
| 222 COMMIT; |
| 223 } |
| 224 expr {[file size test.db] / 1024} |
| 225 } {4} |
| 226 do_test incrvacuum-5.2.2 { |
| 227 set ::str [string repeat abcdefghij 110] |
| 228 execsql { |
| 229 BEGIN; |
| 230 INSERT INTO tbl1 VALUES($::str); |
| 231 INSERT INTO tbl1 SELECT * FROM tbl1; |
| 232 DELETE FROM tbl1 WHERE oid%2; -- Put 2 overflow pages on free-list. |
| 233 COMMIT; |
| 234 } |
| 235 expr {[file size test.db] / 1024} |
| 236 } {7} |
| 237 do_test incrvacuum-5.2.3 { |
| 238 execsql { |
| 239 BEGIN; |
| 240 PRAGMA incremental_vacuum; -- Vacuum up the two pages. |
| 241 CREATE TABLE tbl2(b); -- Use one free page as a table root. |
| 242 INSERT INTO tbl2 VALUES('a nice string'); |
| 243 COMMIT; |
| 244 } |
| 245 expr {[file size test.db] / 1024} |
| 246 } {6} |
| 247 do_test incrvacuum-5.2.4 { |
| 248 execsql { |
| 249 SELECT * FROM tbl2; |
| 250 } |
| 251 } {{a nice string}} |
| 252 do_test incrvacuum-5.2.5 { |
| 253 execsql { |
| 254 DROP TABLE tbl1; |
| 255 DROP TABLE tbl2; |
| 256 PRAGMA incremental_vacuum; |
| 257 } |
| 258 expr {[file size test.db] / 1024} |
| 259 } {1} |
| 260 |
| 261 |
| 262 # Test cases incrvacuum-5.3.* use the following list as input data. |
| 263 # Two new databases are opened, one with incremental vacuum enabled, |
| 264 # the other with no auto-vacuum completely disabled. After executing |
| 265 # each element of the following list on both databases, test that |
| 266 # the integrity-check passes and the contents of each are identical. |
| 267 # |
| 268 set TestScriptList [list { |
| 269 BEGIN; |
| 270 CREATE TABLE t1(a, b); |
| 271 CREATE TABLE t2(a, b); |
| 272 CREATE INDEX t1_i ON t1(a); |
| 273 CREATE INDEX t2_i ON t2(a); |
| 274 } { |
| 275 INSERT INTO t1 VALUES($::str1, $::str2); |
| 276 INSERT INTO t1 VALUES($::str1||$::str2, $::str2||$::str1); |
| 277 INSERT INTO t2 SELECT b, a FROM t1; |
| 278 INSERT INTO t2 SELECT a, b FROM t1; |
| 279 INSERT INTO t1 SELECT b, a FROM t2; |
| 280 UPDATE t2 SET b = ''; |
| 281 PRAGMA incremental_vacuum; |
| 282 } { |
| 283 UPDATE t2 SET b = (SELECT b FROM t1 WHERE t1.oid = t2.oid); |
| 284 PRAGMA incremental_vacuum; |
| 285 } { |
| 286 CREATE TABLE t3(a, b); |
| 287 INSERT INTO t3 SELECT * FROM t2; |
| 288 DROP TABLE t2; |
| 289 PRAGMA incremental_vacuum; |
| 290 } { |
| 291 CREATE INDEX t3_i ON t3(a); |
| 292 COMMIT; |
| 293 } { |
| 294 BEGIN; |
| 295 DROP INDEX t3_i; |
| 296 PRAGMA incremental_vacuum; |
| 297 INSERT INTO t3 VALUES('hello', 'world'); |
| 298 ROLLBACK; |
| 299 } { |
| 300 INSERT INTO t3 VALUES('hello', 'world'); |
| 301 } |
| 302 ] |
| 303 |
| 304 # If this build omits subqueries, step 2 in the above list will not |
| 305 # work. Replace it with "" in this case. |
| 306 # |
| 307 ifcapable !subquery { lset TestScriptList 2 "" } |
| 308 |
| 309 # Compare the contents of databases $A and $B. |
| 310 # |
| 311 proc compare_dbs {A B tname} { |
| 312 set tbl_list [execsql { |
| 313 SELECT tbl_name FROM sqlite_master WHERE type = 'table' |
| 314 } $A] |
| 315 |
| 316 do_test ${tname}.1 [subst { |
| 317 execsql { |
| 318 SELECT tbl_name FROM sqlite_master WHERE type = 'table' |
| 319 } $B |
| 320 }] $tbl_list |
| 321 |
| 322 set tn 1 |
| 323 foreach tbl $tbl_list { |
| 324 set control [execsql "SELECT * FROM $tbl" $A] |
| 325 do_test ${tname}.[incr tn] [subst { |
| 326 execsql "SELECT * FROM $tbl" $B |
| 327 }] $control |
| 328 } |
| 329 } |
| 330 |
| 331 set ::str1 [string repeat abcdefghij 130] |
| 332 set ::str2 [string repeat 1234567890 105] |
| 333 |
| 334 file delete -force test1.db test1.db-journal test2.db test2.db-journal |
| 335 sqlite3 db1 test1.db |
| 336 sqlite3 db2 test2.db |
| 337 execsql { PRAGMA auto_vacuum = 'none' } db1 |
| 338 execsql { PRAGMA auto_vacuum = 'incremental' } db2 |
| 339 |
| 340 set tn 1 |
| 341 foreach sql $::TestScriptList { |
| 342 execsql $sql db1 |
| 343 execsql $sql db2 |
| 344 |
| 345 compare_dbs db1 db2 incrvacuum-5.3.${tn} |
| 346 do_test incrvacuum-5.3.${tn}.integrity1 { |
| 347 execsql { PRAGMA integrity_check; } db1 |
| 348 } {ok} |
| 349 do_test incrvacuum-5.3.${tn}.integrity2 { |
| 350 execsql { PRAGMA integrity_check; } db2 |
| 351 } {ok} |
| 352 incr tn |
| 353 } |
| 354 db1 close |
| 355 db2 close |
| 356 # |
| 357 # End of test cases 5.3.* |
| 358 |
| 359 #--------------------------------------------------------------------- |
| 360 # The following tests - incrvacuum-6.* - test running incremental |
| 361 # vacuum while another statement (a read) is being executed. |
| 362 # |
| 363 for {set jj 0} {$jj < 10} {incr jj} { |
| 364 # Build some test data. Two tables are created in an empty |
| 365 # database. tbl1 data is a contiguous block starting at page 5 (pages |
| 366 # 3 and 4 are the table roots). tbl2 is a contiguous block starting |
| 367 # right after tbl1. |
| 368 # |
| 369 # Then drop tbl1 so that when an incr vacuum is run the pages |
| 370 # of tbl2 have to be moved to fill the gap. |
| 371 # |
| 372 do_test incrvacuum-6.${jj}.1 { |
| 373 execsql { |
| 374 DROP TABLE IF EXISTS tbl1; |
| 375 DROP TABLE IF EXISTS tbl2; |
| 376 PRAGMA incremental_vacuum; |
| 377 CREATE TABLE tbl1(a, b); |
| 378 CREATE TABLE tbl2(a, b); |
| 379 BEGIN; |
| 380 } |
| 381 for {set ii 0} {$ii < 1000} {incr ii} { |
| 382 db eval {INSERT INTO tbl1 VALUES($ii, $ii || $ii)} |
| 383 } |
| 384 execsql { |
| 385 INSERT INTO tbl2 SELECT * FROM tbl1; |
| 386 COMMIT; |
| 387 DROP TABLE tbl1; |
| 388 } |
| 389 expr {[file size test.db] / 1024} |
| 390 } {36} |
| 391 |
| 392 # Run a linear scan query on tbl2. After reading ($jj*100) rows, |
| 393 # run the incremental vacuum to shrink the database. |
| 394 # |
| 395 do_test incrvacuum-6.${jj}.2 { |
| 396 set ::nRow 0 |
| 397 db eval {SELECT a FROM tbl2} {} { |
| 398 if {$a == [expr $jj*100]} { |
| 399 db eval {PRAGMA incremental_vacuum} |
| 400 } |
| 401 incr ::nRow |
| 402 } |
| 403 list [expr {[file size test.db] / 1024}] $nRow |
| 404 } {19 1000} |
| 405 } |
| 406 |
| 407 #--------------------------------------------------------------------- |
| 408 # This test - incrvacuum-7.* - is to check that the database can be |
| 409 # written in the middle of an incremental vacuum. |
| 410 # |
| 411 set ::iWrite 1 |
| 412 while 1 { |
| 413 do_test incrvacuum-7.${::iWrite}.1 { |
| 414 execsql { |
| 415 DROP TABLE IF EXISTS tbl1; |
| 416 DROP TABLE IF EXISTS tbl2; |
| 417 PRAGMA incremental_vacuum; |
| 418 CREATE TABLE tbl1(a, b); |
| 419 CREATE TABLE tbl2(a, b); |
| 420 BEGIN; |
| 421 } |
| 422 for {set ii 0} {$ii < 1000} {incr ii} { |
| 423 db eval {INSERT INTO tbl1 VALUES($ii, $ii || $ii)} |
| 424 } |
| 425 execsql { |
| 426 INSERT INTO tbl2 SELECT * FROM tbl1; |
| 427 COMMIT; |
| 428 DROP TABLE tbl1; |
| 429 } |
| 430 expr {[file size test.db] / 1024} |
| 431 } {36} |
| 432 |
| 433 do_test incrvacuum-7.${::iWrite}.2 { |
| 434 set ::nRow 0 |
| 435 db eval {PRAGMA incremental_vacuum} { |
| 436 incr ::nRow |
| 437 if {$::nRow == $::iWrite} { |
| 438 db eval { |
| 439 CREATE TABLE tbl1(a, b); |
| 440 INSERT INTO tbl1 VALUES('hello', 'world'); |
| 441 } |
| 442 } |
| 443 } |
| 444 list [expr {[file size test.db] / 1024}] |
| 445 } {20} |
| 446 |
| 447 do_test incrvacuum-7.${::iWrite}.3 { |
| 448 execsql { |
| 449 SELECT * FROM tbl1; |
| 450 } |
| 451 } {hello world} |
| 452 |
| 453 if {$::nRow == $::iWrite} break |
| 454 incr ::iWrite |
| 455 } |
| 456 |
| 457 #--------------------------------------------------------------------- |
| 458 # This test - incrvacuum-8.* - is to check that nothing goes wrong |
| 459 # with an incremental-vacuum if it is the first statement executed |
| 460 # after an existing database is opened. |
| 461 # |
| 462 # At one point, this would always return SQLITE_SCHEMA (which |
| 463 # causes an infinite loop in tclsqlite.c if using the Tcl interface). |
| 464 # |
| 465 do_test incrvacuum-8.1 { |
| 466 db close |
| 467 sqlite3 db test.db |
| 468 execsql { |
| 469 PRAGMA incremental_vacuum(50); |
| 470 } |
| 471 } {} |
| 472 |
| 473 #--------------------------------------------------------------------- |
| 474 # At one point this test case was causing an assert() to fail. |
| 475 # |
| 476 do_test incrvacuum-9.1 { |
| 477 db close |
| 478 file delete -force test.db test.db-journal |
| 479 sqlite3 db test.db |
| 480 |
| 481 execsql { |
| 482 PRAGMA auto_vacuum = 'incremental'; |
| 483 CREATE TABLE t1(a, b, c); |
| 484 CREATE TABLE t2(a, b, c); |
| 485 INSERT INTO t2 VALUES(randstr(500,500),randstr(500,500),randstr(500,500)); |
| 486 INSERT INTO t1 VALUES(1, 2, 3); |
| 487 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 488 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 489 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 490 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 491 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 492 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 493 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 494 INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1; |
| 495 } |
| 496 } {} |
| 497 |
| 498 do_test incrvacuum-9.2 { |
| 499 execsql { |
| 500 PRAGMA synchronous = 'OFF'; |
| 501 BEGIN; |
| 502 UPDATE t1 SET a = a, b = b, c = c; |
| 503 DROP TABLE t2; |
| 504 PRAGMA incremental_vacuum(10); |
| 505 ROLLBACK; |
| 506 } |
| 507 } {} |
| 508 |
| 509 do_test incrvacuum-9.3 { |
| 510 execsql { |
| 511 PRAGMA cache_size = 10; |
| 512 BEGIN; |
| 513 UPDATE t1 SET a = a, b = b, c = c; |
| 514 DROP TABLE t2; |
| 515 PRAGMA incremental_vacuum(10); |
| 516 ROLLBACK; |
| 517 } |
| 518 } {} |
| 519 |
| 520 #--------------------------------------------------------------------- |
| 521 # Test that the parameter to the incremental_vacuum pragma works. That |
| 522 # is, if the user executes "PRAGMA incremental_vacuum(N)", at most |
| 523 # N pages are vacuumed. |
| 524 # |
| 525 do_test incrvacuum-10.1 { |
| 526 execsql { |
| 527 DROP TABLE t1; |
| 528 DROP TABLE t2; |
| 529 } |
| 530 expr [file size test.db] / 1024 |
| 531 } {29} |
| 532 |
| 533 do_test incrvacuum-10.2 { |
| 534 execsql { |
| 535 PRAGMA incremental_vacuum(1); |
| 536 } |
| 537 expr [file size test.db] / 1024 |
| 538 } {28} |
| 539 |
| 540 do_test incrvacuum-10.3 { |
| 541 execsql { |
| 542 PRAGMA incremental_vacuum(5); |
| 543 } |
| 544 expr [file size test.db] / 1024 |
| 545 } {23} |
| 546 |
| 547 do_test incrvacuum-10.4 { |
| 548 execsql { |
| 549 PRAGMA incremental_vacuum('1'); |
| 550 } |
| 551 expr [file size test.db] / 1024 |
| 552 } {22} |
| 553 |
| 554 do_test incrvacuum-10.5 { |
| 555 execsql { |
| 556 PRAGMA incremental_vacuum("+3"); |
| 557 } |
| 558 expr [file size test.db] / 1024 |
| 559 } {19} |
| 560 |
| 561 do_test incrvacuum-10.6 { |
| 562 execsql { |
| 563 PRAGMA incremental_vacuum = 1; |
| 564 } |
| 565 expr [file size test.db] / 1024 |
| 566 } {18} |
| 567 |
| 568 do_test incrvacuum-10.7 { |
| 569 # Use a really big number as an argument to incremetal_vacuum. Should |
| 570 # be interpreted as "free all possible space". |
| 571 execsql { |
| 572 PRAGMA incremental_vacuum(2147483649); |
| 573 } |
| 574 expr [file size test.db] / 1024 |
| 575 } {1} |
| 576 |
| 577 do_test incrvacuum-10.8 { |
| 578 execsql { |
| 579 CREATE TABLE t1(x); |
| 580 INSERT INTO t1 VALUES(hex(randomblob(1000))); |
| 581 DROP TABLE t1; |
| 582 } |
| 583 # A negative number means free all possible space. |
| 584 execsql { |
| 585 PRAGMA incremental_vacuum=-1; |
| 586 } |
| 587 expr [file size test.db] / 1024 |
| 588 } {1} |
| 589 |
| 590 #---------------------------------------------------------------- |
| 591 # Test that if we set the auto_vacuum mode to 'incremental', then |
| 592 # create a database, thereafter that database defaults to incremental |
| 593 # vacuum mode. |
| 594 # |
| 595 db close |
| 596 file delete -force test.db test.db-journal |
| 597 sqlite3 db test.db |
| 598 |
| 599 ifcapable default_autovacuum { |
| 600 do_test incrvacuum-11.1-av-dflt-on { |
| 601 execsql { |
| 602 PRAGMA auto_vacuum; |
| 603 } |
| 604 } $AUTOVACUUM |
| 605 } else { |
| 606 do_test incrvacuum-11.1-av-dflt-off { |
| 607 execsql { |
| 608 PRAGMA auto_vacuum; |
| 609 } |
| 610 } {0} |
| 611 } |
| 612 do_test incrvacuum-11.2 { |
| 613 execsql { |
| 614 PRAGMA auto_vacuum = incremental; |
| 615 } |
| 616 } {} |
| 617 do_test incrvacuum-11.3 { |
| 618 execsql { |
| 619 PRAGMA auto_vacuum; |
| 620 } |
| 621 } {2} |
| 622 do_test incrvacuum-11.4 { |
| 623 # The database has now been created. |
| 624 expr {[file size test.db]>0} |
| 625 } {1} |
| 626 do_test incrvacuum-11.5 { |
| 627 # Close and reopen the connection. |
| 628 db close |
| 629 sqlite3 db test.db |
| 630 |
| 631 # Test we are still in incremental vacuum mode. |
| 632 execsql { PRAGMA auto_vacuum; } |
| 633 } {2} |
| 634 do_test incrvacuum-11.6 { |
| 635 execsql { |
| 636 PRAGMA auto_vacuum = 'full'; |
| 637 PRAGMA auto_vacuum; |
| 638 } |
| 639 } {1} |
| 640 do_test incrvacuum-11.7 { |
| 641 # Close and reopen the connection. |
| 642 db close |
| 643 sqlite3 db test.db |
| 644 |
| 645 # Test we are still in "full" auto-vacuum mode. |
| 646 execsql { PRAGMA auto_vacuum; } |
| 647 } {1} |
| 648 |
| 649 #---------------------------------------------------------------------- |
| 650 # Special case: What happens if the database is locked when a "PRAGMA |
| 651 # auto_vacuum = XXX" statement is executed. |
| 652 # |
| 653 db close |
| 654 file delete -force test.db test.db-journal |
| 655 sqlite3 db test.db |
| 656 |
| 657 do_test incrvacuum-12.1 { |
| 658 execsql { |
| 659 PRAGMA auto_vacuum = 1; |
| 660 } |
| 661 expr {[file size test.db]>0} |
| 662 } {1} |
| 663 |
| 664 # Try to change the auto-vacuum from "full" to "incremental" while the |
| 665 # database is locked. Nothing should change. |
| 666 # |
| 667 do_test incrvacuum-12.2 { |
| 668 sqlite3 db2 test.db |
| 669 execsql { BEGIN EXCLUSIVE; } db2 |
| 670 catchsql { PRAGMA auto_vacuum = 2; } |
| 671 } {1 {database is locked}} |
| 672 |
| 673 do_test incrvacuum-12.3 { |
| 674 execsql { ROLLBACK; } db2 |
| 675 execsql { PRAGMA auto_vacuum } |
| 676 } {2} ;# Still 2 because PRAGMA auto_vacuum setting held in case of vacuum |
| 677 do_test incrvacuum-12.4 { |
| 678 db close |
| 679 sqlite3 db test.db |
| 680 execsql { PRAGMA auto_vacuum } |
| 681 } {1} ;# Revert to 1 because the database file did not change |
| 682 |
| 683 do_test incrvacuum-12.5 { |
| 684 execsql { SELECT * FROM sqlite_master } |
| 685 execsql { PRAGMA auto_vacuum } |
| 686 } {1} |
| 687 |
| 688 #---------------------------------------------------------------------- |
| 689 # Special case #2: What if one process prepares a "PRAGMA auto_vacuum = XXX" |
| 690 # statement when the database is empty, but doesn't execute it until |
| 691 # after some other process has created the database. |
| 692 # |
| 693 db2 close |
| 694 db close |
| 695 file delete -force test.db test.db-journal |
| 696 sqlite3 db test.db ; set ::DB [sqlite3_connection_pointer db] |
| 697 sqlite3 db2 test.db |
| 698 |
| 699 do_test incrvacuum-13.1 { |
| 700 # File size is sometimes 1 instead of 0 due to the hack we put in |
| 701 # to work around ticket #3260. Search for comments on #3260 in |
| 702 # os_unix.c. |
| 703 expr {[file size test.db]>1} |
| 704 } {0} |
| 705 do_test incrvacuum-13.2 { |
| 706 set ::STMT [sqlite3_prepare $::DB {PRAGMA auto_vacuum = 2} -1 DUMMY] |
| 707 execsql { |
| 708 PRAGMA auto_vacuum = none; |
| 709 PRAGMA default_cache_size = 1024; |
| 710 PRAGMA auto_vacuum; |
| 711 } db2 |
| 712 } {0} |
| 713 do_test incrvacuum-13.3 { |
| 714 expr {[file size test.db]>0} |
| 715 } {1} |
| 716 do_test incrvacuum-13.4 { |
| 717 set rc [sqlite3_step $::STMT] |
| 718 list $rc [sqlite3_finalize $::STMT] |
| 719 } {SQLITE_DONE SQLITE_OK} |
| 720 do_test incrvacuum-13.5 { |
| 721 execsql { |
| 722 PRAGMA auto_vacuum; |
| 723 } |
| 724 } {0} |
| 725 |
| 726 |
| 727 # Verify that the incremental_vacuum pragma fails gracefully if it |
| 728 # is used against an invalid database file. |
| 729 # |
| 730 if {[permutation] == ""} { |
| 731 do_test incrvacuum-14.1 { |
| 732 set out [open invalid.db w] |
| 733 puts $out "This is not an SQLite database file" |
| 734 close $out |
| 735 sqlite3 db3 invalid.db |
| 736 catchsql { |
| 737 PRAGMA incremental_vacuum(10); |
| 738 } db3 |
| 739 } {1 {file is encrypted or is not a database}} |
| 740 db3 close |
| 741 } |
| 742 |
| 743 do_test incrvacuum-15.1 { |
| 744 db close |
| 745 db2 close |
| 746 file delete -force test.db |
| 747 sqlite3 db test.db |
| 748 |
| 749 set str [string repeat "abcdefghij" 500] |
| 750 |
| 751 execsql { |
| 752 PRAGMA cache_size = 10; |
| 753 PRAGMA auto_vacuum = incremental; |
| 754 CREATE TABLE t1(x, y); |
| 755 INSERT INTO t1 VALUES('a', $str); |
| 756 INSERT INTO t1 VALUES('b', $str); |
| 757 INSERT INTO t1 VALUES('c', $str); |
| 758 INSERT INTO t1 VALUES('d', $str); |
| 759 INSERT INTO t1 VALUES('e', $str); |
| 760 INSERT INTO t1 VALUES('f', $str); |
| 761 INSERT INTO t1 VALUES('g', $str); |
| 762 INSERT INTO t1 VALUES('h', $str); |
| 763 INSERT INTO t1 VALUES('i', $str); |
| 764 INSERT INTO t1 VALUES('j', $str); |
| 765 INSERT INTO t1 VALUES('j', $str); |
| 766 |
| 767 CREATE TABLE t2(x PRIMARY KEY, y); |
| 768 INSERT INTO t2 VALUES('a', $str); |
| 769 INSERT INTO t2 VALUES('b', $str); |
| 770 INSERT INTO t2 VALUES('c', $str); |
| 771 INSERT INTO t2 VALUES('d', $str); |
| 772 |
| 773 BEGIN; |
| 774 DELETE FROM t2; |
| 775 PRAGMA incremental_vacuum; |
| 776 } |
| 777 |
| 778 catchsql {INSERT INTO t2 SELECT * FROM t1} |
| 779 |
| 780 execsql { |
| 781 COMMIT; |
| 782 PRAGMA integrity_check; |
| 783 } |
| 784 } {ok} |
| 785 |
| 786 finish_test |
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