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| 1 # 2007 May 1 |
| 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 # |
| 12 # $Id: incrblob.test,v 1.24 2009/06/19 22:23:42 drh Exp $ |
| 13 # |
| 14 |
| 15 set testdir [file dirname $argv0] |
| 16 source $testdir/tester.tcl |
| 17 |
| 18 ifcapable {!autovacuum || !pragma || !incrblob} { |
| 19 finish_test |
| 20 return |
| 21 } |
| 22 |
| 23 do_test incrblob-1.1 { |
| 24 execsql { |
| 25 CREATE TABLE blobs(k PRIMARY KEY, v BLOB); |
| 26 INSERT INTO blobs VALUES('one', X'0102030405060708090A'); |
| 27 INSERT INTO blobs VALUES('two', X'0A090807060504030201'); |
| 28 } |
| 29 } {} |
| 30 |
| 31 do_test incrblob-1.2.1 { |
| 32 set ::blob [db incrblob blobs v 1] |
| 33 string match incrblob_* $::blob |
| 34 } {1} |
| 35 unset -nocomplain data |
| 36 do_test incrblob-1.2.2 { |
| 37 binary scan [read $::blob] c* data |
| 38 set data |
| 39 } {1 2 3 4 5 6 7 8 9 10} |
| 40 do_test incrblob-1.2.3 { |
| 41 seek $::blob 0 |
| 42 puts -nonewline $::blob "1234567890" |
| 43 flush $::blob |
| 44 } {} |
| 45 do_test incrblob-1.2.4 { |
| 46 seek $::blob 0 |
| 47 binary scan [read $::blob] c* data |
| 48 set data |
| 49 } {49 50 51 52 53 54 55 56 57 48} |
| 50 do_test incrblob-1.2.5 { |
| 51 close $::blob |
| 52 } {} |
| 53 do_test incrblob-1.2.6 { |
| 54 execsql { |
| 55 SELECT v FROM blobs WHERE rowid = 1; |
| 56 } |
| 57 } {1234567890} |
| 58 |
| 59 #-------------------------------------------------------------------- |
| 60 # Test cases incrblob-1.3.X check that it is possible to read and write |
| 61 # regions of a blob that lie on overflow pages. |
| 62 # |
| 63 do_test incrblob-1.3.1 { |
| 64 set ::str "[string repeat . 10000]" |
| 65 execsql { |
| 66 INSERT INTO blobs(rowid, k, v) VALUES(3, 'three', $::str); |
| 67 } |
| 68 } {} |
| 69 |
| 70 do_test incrblob-1.3.2 { |
| 71 set ::blob [db incrblob blobs v 3] |
| 72 seek $::blob 8500 |
| 73 read $::blob 10 |
| 74 } {..........} |
| 75 do_test incrblob-1.3.3 { |
| 76 seek $::blob 8500 |
| 77 puts -nonewline $::blob 1234567890 |
| 78 } {} |
| 79 do_test incrblob-1.3.4 { |
| 80 seek $::blob 8496 |
| 81 read $::blob 10 |
| 82 } {....123456} |
| 83 do_test incrblob-1.3.10 { |
| 84 close $::blob |
| 85 } {} |
| 86 |
| 87 #------------------------------------------------------------------------ |
| 88 # incrblob-2.*: |
| 89 # |
| 90 # Test that the following operations use ptrmap pages to reduce |
| 91 # unnecessary reads: |
| 92 # |
| 93 # * Reading near the end of a blob, |
| 94 # * Writing near the end of a blob, and |
| 95 # * SELECT a column value that is located on an overflow page. |
| 96 # |
| 97 proc nRead {db} { |
| 98 set bt [btree_from_db $db] |
| 99 db_enter $db |
| 100 array set stats [btree_pager_stats $bt] |
| 101 db_leave $db |
| 102 return $stats(read) |
| 103 } |
| 104 proc nWrite {db} { |
| 105 set bt [btree_from_db $db] |
| 106 db_enter $db |
| 107 array set stats [btree_pager_stats $bt] |
| 108 db_leave $db |
| 109 return $stats(write) |
| 110 } |
| 111 |
| 112 sqlite3_soft_heap_limit 0 |
| 113 |
| 114 foreach AutoVacuumMode [list 0 1] { |
| 115 |
| 116 if {$AutoVacuumMode>0} { |
| 117 ifcapable !autovacuum { |
| 118 break |
| 119 } |
| 120 } |
| 121 |
| 122 db close |
| 123 forcedelete test.db test.db-journal |
| 124 |
| 125 sqlite3 db test.db |
| 126 execsql "PRAGMA mmap_size = 0" |
| 127 execsql "PRAGMA auto_vacuum = $AutoVacuumMode" |
| 128 |
| 129 do_test incrblob-2.$AutoVacuumMode.1 { |
| 130 set ::str [string repeat abcdefghij 2900] |
| 131 execsql { |
| 132 BEGIN; |
| 133 CREATE TABLE blobs(k PRIMARY KEY, v BLOB, i INTEGER); |
| 134 DELETE FROM blobs; |
| 135 INSERT INTO blobs VALUES('one', $::str || randstr(500,500), 45); |
| 136 COMMIT; |
| 137 } |
| 138 expr [file size test.db]/1024 |
| 139 } [expr 31 + $AutoVacuumMode] |
| 140 |
| 141 ifcapable autovacuum { |
| 142 do_test incrblob-2.$AutoVacuumMode.2 { |
| 143 execsql { |
| 144 PRAGMA auto_vacuum; |
| 145 } |
| 146 } $AutoVacuumMode |
| 147 } |
| 148 |
| 149 do_test incrblob-2.$AutoVacuumMode.3 { |
| 150 # Open and close the db to make sure the page cache is empty. |
| 151 db close |
| 152 sqlite3 db test.db |
| 153 execsql "PRAGMA mmap_size = 0" |
| 154 |
| 155 # Read the last 20 bytes of the blob via a blob handle. |
| 156 set ::blob [db incrblob blobs v 1] |
| 157 seek $::blob -20 end |
| 158 set ::fragment [read $::blob] |
| 159 close $::blob |
| 160 |
| 161 # If the database is not in auto-vacuum mode, the whole of |
| 162 # the overflow-chain must be scanned. In auto-vacuum mode, |
| 163 # sqlite uses the ptrmap pages to avoid reading the other pages. |
| 164 # |
| 165 nRead db |
| 166 } [expr $AutoVacuumMode ? 4 : 30] |
| 167 |
| 168 do_test incrblob-2.$AutoVacuumMode.4 { |
| 169 string range [db one {SELECT v FROM blobs}] end-19 end |
| 170 } $::fragment |
| 171 |
| 172 do_test incrblob-2.$AutoVacuumMode.5 { |
| 173 # Open and close the db to make sure the page cache is empty. |
| 174 db close |
| 175 sqlite3 db test.db |
| 176 execsql "PRAGMA mmap_size = 0" |
| 177 |
| 178 # Write the second-to-last 20 bytes of the blob via a blob handle. |
| 179 # |
| 180 set ::blob [db incrblob blobs v 1] |
| 181 seek $::blob -40 end |
| 182 puts -nonewline $::blob "1234567890abcdefghij" |
| 183 flush $::blob |
| 184 |
| 185 # If the database is not in auto-vacuum mode, the whole of |
| 186 # the overflow-chain must be scanned. In auto-vacuum mode, |
| 187 # sqlite uses the ptrmap pages to avoid reading the other pages. |
| 188 # |
| 189 nRead db |
| 190 } [expr $AutoVacuumMode ? 4 : 30] |
| 191 |
| 192 # Pages 1 (the write-counter) and 32 (the blob data) were written. |
| 193 do_test incrblob-2.$AutoVacuumMode.6 { |
| 194 close $::blob |
| 195 nWrite db |
| 196 } 2 |
| 197 |
| 198 do_test incrblob-2.$AutoVacuumMode.7 { |
| 199 string range [db one {SELECT v FROM blobs}] end-39 end-20 |
| 200 } "1234567890abcdefghij" |
| 201 |
| 202 do_test incrblob-2.$AutoVacuumMode.8 { |
| 203 # Open and close the db to make sure the page cache is empty. |
| 204 db close |
| 205 sqlite3 db test.db |
| 206 execsql { PRAGMA mmap_size = 0 } |
| 207 |
| 208 execsql { SELECT i FROM blobs } |
| 209 } {45} |
| 210 |
| 211 do_test incrblob-2.$AutoVacuumMode.9 { |
| 212 nRead db |
| 213 } [expr $AutoVacuumMode ? 4 : 30] |
| 214 } |
| 215 sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit) |
| 216 |
| 217 #------------------------------------------------------------------------ |
| 218 # incrblob-3.*: |
| 219 # |
| 220 # Test the outcome of trying to write to a read-only blob handle. |
| 221 # |
| 222 do_test incrblob-3.1 { |
| 223 set ::blob [db incrblob -readonly blobs v 1] |
| 224 seek $::blob -40 end |
| 225 read $::blob 20 |
| 226 } "1234567890abcdefghij" |
| 227 do_test incrblob-3.2 { |
| 228 seek $::blob 0 |
| 229 set rc [catch { |
| 230 puts -nonewline $::blob "helloworld" |
| 231 } msg] |
| 232 close $::blob |
| 233 list $rc $msg |
| 234 } "1 {channel \"$::blob\" wasn't opened for writing}" |
| 235 |
| 236 do_test incrblob-3.3 { |
| 237 set ::blob [db incrblob -readonly blobs v 1] |
| 238 seek $::blob -40 end |
| 239 read $::blob 20 |
| 240 } "1234567890abcdefghij" |
| 241 do_test incrblob-3.4 { |
| 242 set rc [catch { |
| 243 sqlite3_blob_write $::blob 20 "qwertyuioplkjhgfds" |
| 244 } msg] |
| 245 list $rc $msg |
| 246 } {1 SQLITE_READONLY} |
| 247 catch {close $::blob} |
| 248 |
| 249 #------------------------------------------------------------------------ |
| 250 # incrblob-4.*: |
| 251 # |
| 252 # Try a couple of error conditions: |
| 253 # |
| 254 # 4.1 - Attempt to open a row that does not exist. |
| 255 # 4.2 - Attempt to open a column that does not exist. |
| 256 # 4.3 - Attempt to open a table that does not exist. |
| 257 # 4.4 - Attempt to open a database that does not exist. |
| 258 # |
| 259 # 4.5 - Attempt to open an integer |
| 260 # 4.6 - Attempt to open a real value |
| 261 # 4.7 - Attempt to open an SQL null |
| 262 # |
| 263 # 4.8 - Attempt to open an indexed column for writing |
| 264 # 4.9 - Attempt to open an indexed column for reading (this works) |
| 265 # |
| 266 # 4.11 - Attempt to open a column of a view. |
| 267 # 4.12 - Attempt to open a column of a virtual table. |
| 268 # |
| 269 do_test incrblob-4.1 { |
| 270 set rc [catch { |
| 271 set ::blob [db incrblob blobs v 2] |
| 272 } msg ] |
| 273 list $rc $msg |
| 274 } {1 {no such rowid: 2}} |
| 275 do_test incrblob-4.2 { |
| 276 set rc [catch { |
| 277 set ::blob [db incrblob blobs blue 1] |
| 278 } msg ] |
| 279 list $rc $msg |
| 280 } {1 {no such column: "blue"}} |
| 281 do_test incrblob-4.3 { |
| 282 set rc [catch { |
| 283 set ::blob [db incrblob nosuchtable blue 1] |
| 284 } msg ] |
| 285 list $rc $msg |
| 286 } {1 {no such table: main.nosuchtable}} |
| 287 do_test incrblob-4.4 { |
| 288 set rc [catch { |
| 289 set ::blob [db incrblob nosuchdb blobs v 1] |
| 290 } msg ] |
| 291 list $rc $msg |
| 292 } {1 {no such table: nosuchdb.blobs}} |
| 293 |
| 294 do_test incrblob-4.5 { |
| 295 set rc [catch { |
| 296 set ::blob [db incrblob blobs i 1] |
| 297 } msg ] |
| 298 list $rc $msg |
| 299 } {1 {cannot open value of type integer}} |
| 300 do_test incrblob-4.6 { |
| 301 execsql { |
| 302 INSERT INTO blobs(k, v, i) VALUES(123, 567.765, NULL); |
| 303 } |
| 304 set rc [catch { |
| 305 set ::blob [db incrblob blobs v 2] |
| 306 } msg ] |
| 307 list $rc $msg |
| 308 } {1 {cannot open value of type real}} |
| 309 do_test incrblob-4.7 { |
| 310 set rc [catch { |
| 311 set ::blob [db incrblob blobs i 2] |
| 312 } msg ] |
| 313 list $rc $msg |
| 314 } {1 {cannot open value of type null}} |
| 315 |
| 316 do_test incrblob-4.8.1 { |
| 317 execsql { |
| 318 INSERT INTO blobs(k, v, i) VALUES(X'010203040506070809', 'hello', 'world'); |
| 319 } |
| 320 set rc [catch { |
| 321 set ::blob [db incrblob blobs k 3] |
| 322 } msg ] |
| 323 list $rc $msg |
| 324 } {1 {cannot open indexed column for writing}} |
| 325 do_test incrblob-4.8.2 { |
| 326 execsql { |
| 327 CREATE TABLE t3(a INTEGER PRIMARY KEY, b); |
| 328 INSERT INTO t3 VALUES(1, 2); |
| 329 } |
| 330 set rc [catch { |
| 331 set ::blob [db incrblob -readonly t3 a 1] |
| 332 } msg ] |
| 333 list $rc $msg |
| 334 } {1 {cannot open value of type null}} |
| 335 do_test incrblob-4.8.3 { |
| 336 set rc [catch { |
| 337 set ::blob [db incrblob -readonly t3 rowid 1] |
| 338 } msg ] |
| 339 list $rc $msg |
| 340 } {1 {no such column: "rowid"}} |
| 341 |
| 342 do_test incrblob-4.9.1 { |
| 343 set rc [catch { |
| 344 set ::blob [db incrblob -readonly blobs k 3] |
| 345 } msg] |
| 346 } {0} |
| 347 do_test incrblob-4.9.2 { |
| 348 binary scan [read $::blob] c* c |
| 349 close $::blob |
| 350 set c |
| 351 } {1 2 3 4 5 6 7 8 9} |
| 352 |
| 353 do_test incrblob-4.10 { |
| 354 set ::blob [db incrblob -readonly blobs k 3] |
| 355 set rc [catch { sqlite3_blob_read $::blob 10 100 } msg] |
| 356 list $rc $msg |
| 357 } {1 SQLITE_ERROR} |
| 358 do_test incrblob-4.10.2 { |
| 359 close $::blob |
| 360 } {} |
| 361 |
| 362 ifcapable view { |
| 363 do_test incrblob-4.11 { |
| 364 execsql { CREATE VIEW blobs_view AS SELECT k, v, i FROM blobs } |
| 365 set rc [catch { db incrblob blobs_view v 3 } msg] |
| 366 list $rc $msg |
| 367 } {1 {cannot open view: blobs_view}} |
| 368 } |
| 369 ifcapable vtab { |
| 370 register_echo_module [sqlite3_connection_pointer db] |
| 371 do_test incrblob-4.12 { |
| 372 execsql { CREATE VIRTUAL TABLE blobs_echo USING echo(blobs) } |
| 373 set rc [catch { db incrblob blobs_echo v 3 } msg] |
| 374 list $rc $msg |
| 375 } {1 {cannot open virtual table: blobs_echo}} |
| 376 } |
| 377 |
| 378 |
| 379 #------------------------------------------------------------------------ |
| 380 # incrblob-5.*: |
| 381 # |
| 382 # Test that opening a blob in an attached database works. |
| 383 # |
| 384 ifcapable attach { |
| 385 do_test incrblob-5.1 { |
| 386 forcedelete test2.db test2.db-journal |
| 387 set ::size [expr [file size [info script]]] |
| 388 execsql { |
| 389 ATTACH 'test2.db' AS aux; |
| 390 CREATE TABLE aux.files(name, text); |
| 391 INSERT INTO aux.files VALUES('this one', zeroblob($::size)); |
| 392 } |
| 393 set fd [db incrblob aux files text 1] |
| 394 fconfigure $fd -translation binary |
| 395 set fd2 [open [info script]] |
| 396 fconfigure $fd2 -translation binary |
| 397 puts -nonewline $fd [read $fd2] |
| 398 close $fd |
| 399 close $fd2 |
| 400 set ::text [db one {select text from aux.files}] |
| 401 string length $::text |
| 402 } [file size [info script]] |
| 403 do_test incrblob-5.2 { |
| 404 set fd2 [open [info script]] |
| 405 fconfigure $fd2 -translation binary |
| 406 set ::data [read $fd2] |
| 407 close $fd2 |
| 408 set ::data |
| 409 } $::text |
| 410 } |
| 411 |
| 412 # free memory |
| 413 unset -nocomplain ::data |
| 414 unset -nocomplain ::text |
| 415 |
| 416 #------------------------------------------------------------------------ |
| 417 # incrblob-6.*: |
| 418 # |
| 419 # Test that opening a blob for write-access is impossible if |
| 420 # another connection has the database RESERVED lock. |
| 421 # |
| 422 # Then test that blob writes that take place inside of a |
| 423 # transaction are not visible to external connections until |
| 424 # after the transaction is commited and the blob channel |
| 425 # closed. |
| 426 # |
| 427 # This test does not work with the "memsubsys1" configuration. |
| 428 # Permutation memsubsys1 configures a very small static allocation |
| 429 # for use as page-cache memory. This causes SQLite to upgrade |
| 430 # to an exclusive lock when writing earlier than usual, which |
| 431 # makes some of these tests fail. |
| 432 # |
| 433 sqlite3_soft_heap_limit 0 |
| 434 if {[permutation] != "memsubsys1"} { |
| 435 do_test incrblob-6.1 { |
| 436 sqlite3 db2 test.db |
| 437 execsql { |
| 438 BEGIN; |
| 439 INSERT INTO blobs(k, v, i) VALUES('a', 'different', 'connection'); |
| 440 } db2 |
| 441 } {} |
| 442 do_test incrblob-6.2 { |
| 443 execsql { |
| 444 SELECT rowid FROM blobs ORDER BY rowid |
| 445 } |
| 446 } {1 2 3} |
| 447 do_test incrblob-6.3 { |
| 448 set rc [catch { |
| 449 db incrblob blobs v 1 |
| 450 } msg] |
| 451 list $rc $msg |
| 452 } {1 {database is locked}} |
| 453 do_test incrblob-6.4 { |
| 454 set rc [catch { |
| 455 db incrblob blobs v 3 |
| 456 } msg] |
| 457 list $rc $msg |
| 458 } {1 {database is locked}} |
| 459 do_test incrblob-6.5 { |
| 460 set ::blob [db incrblob -readonly blobs v 3] |
| 461 read $::blob |
| 462 } {hello} |
| 463 do_test incrblob-6.6 { |
| 464 close $::blob |
| 465 } {} |
| 466 |
| 467 do_test incrblob-6.7 { |
| 468 set ::blob [db2 incrblob blobs i 4] |
| 469 gets $::blob |
| 470 } {connection} |
| 471 do_test incrblob-6.8 { |
| 472 tell $::blob |
| 473 } {10} |
| 474 do_test incrblob-6.9 { |
| 475 seek $::blob 0 |
| 476 puts -nonewline $::blob "invocation" |
| 477 flush $::blob |
| 478 } {} |
| 479 |
| 480 # At this point commit should be illegal (because |
| 481 # there is an open blob channel). |
| 482 # |
| 483 do_test incrblob-6.11 { |
| 484 catchsql { |
| 485 COMMIT; |
| 486 } db2 |
| 487 } {1 {cannot commit transaction - SQL statements in progress}} |
| 488 |
| 489 do_test incrblob-6.12 { |
| 490 execsql { |
| 491 SELECT * FROM blobs WHERE rowid = 4; |
| 492 } |
| 493 } {} |
| 494 do_test incrblob-6.13 { |
| 495 close $::blob |
| 496 } {} |
| 497 do_test incrblob-6.14 { |
| 498 catchsql { |
| 499 COMMIT; |
| 500 } db2 |
| 501 } {0 {}} |
| 502 do_test incrblob-6.15 { |
| 503 execsql { |
| 504 SELECT * FROM blobs WHERE rowid = 4; |
| 505 } |
| 506 } {a different invocation} |
| 507 db2 close |
| 508 } |
| 509 sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit) |
| 510 |
| 511 #----------------------------------------------------------------------- |
| 512 # The following tests verify the behavior of the incremental IO |
| 513 # APIs in the following cases: |
| 514 # |
| 515 # 7.1 A row that containing an open blob is modified. |
| 516 # |
| 517 # 7.2 A CREATE TABLE requires that an overflow page that is part |
| 518 # of an open blob is moved. |
| 519 # |
| 520 # 7.3 An INCREMENTAL VACUUM moves an overflow page that is part |
| 521 # of an open blob. |
| 522 # |
| 523 # In the first case above, correct behavior is for all subsequent |
| 524 # read/write operations on the blob-handle to return SQLITE_ABORT. |
| 525 # More accurately, blob-handles are invalidated whenever the table |
| 526 # they belong to is written to. |
| 527 # |
| 528 # The second two cases have no external effect. They are testing |
| 529 # that the internal cache of overflow page numbers is correctly |
| 530 # invalidated. |
| 531 # |
| 532 do_test incrblob-7.1.0 { |
| 533 execsql { |
| 534 BEGIN; |
| 535 DROP TABLE blobs; |
| 536 CREATE TABLE t1 (a, b, c, d BLOB); |
| 537 INSERT INTO t1(a, b, c, d) VALUES(1, 2, 3, 4); |
| 538 COMMIT; |
| 539 } |
| 540 } {} |
| 541 |
| 542 foreach {tn arg} {1 "" 2 -readonly} { |
| 543 |
| 544 execsql { |
| 545 UPDATE t1 SET d = zeroblob(10000); |
| 546 } |
| 547 |
| 548 do_test incrblob-7.1.$tn.1 { |
| 549 set ::b [eval db incrblob $arg t1 d 1] |
| 550 binary scan [sqlite3_blob_read $::b 5000 5] c* c |
| 551 set c |
| 552 } {0 0 0 0 0} |
| 553 do_test incrblob-7.1.$tn.2 { |
| 554 execsql { |
| 555 UPDATE t1 SET d = 15; |
| 556 } |
| 557 } {} |
| 558 do_test incrblob-7.1.$tn.3 { |
| 559 set rc [catch { sqlite3_blob_read $::b 5000 5 } msg] |
| 560 list $rc $msg |
| 561 } {1 SQLITE_ABORT} |
| 562 do_test incrblob-7.1.$tn.4 { |
| 563 execsql { |
| 564 SELECT d FROM t1; |
| 565 } |
| 566 } {15} |
| 567 do_test incrblob-7.1.$tn.5 { |
| 568 set rc [catch { close $::b } msg] |
| 569 list $rc $msg |
| 570 } {0 {}} |
| 571 do_test incrblob-7.1.$tn.6 { |
| 572 execsql { |
| 573 SELECT d FROM t1; |
| 574 } |
| 575 } {15} |
| 576 |
| 577 } |
| 578 |
| 579 set fd [open [info script]] |
| 580 fconfigure $fd -translation binary |
| 581 set ::data [read $fd 14000] |
| 582 close $fd |
| 583 |
| 584 db close |
| 585 forcedelete test.db test.db-journal |
| 586 sqlite3 db test.db |
| 587 |
| 588 do_test incrblob-7.2.1 { |
| 589 execsql { |
| 590 PRAGMA auto_vacuum = "incremental"; |
| 591 CREATE TABLE t1(a INTEGER PRIMARY KEY, b); -- root@page3 |
| 592 INSERT INTO t1 VALUES(123, $::data); |
| 593 } |
| 594 set ::b [db incrblob -readonly t1 b 123] |
| 595 fconfigure $::b -translation binary |
| 596 read $::b |
| 597 } $::data |
| 598 do_test incrblob-7.2.2 { |
| 599 execsql { |
| 600 CREATE TABLE t2(a INTEGER PRIMARY KEY, b); -- root@page4 |
| 601 } |
| 602 seek $::b 0 |
| 603 read $::b |
| 604 } $::data |
| 605 do_test incrblob-7.2.3 { |
| 606 close $::b |
| 607 execsql { |
| 608 SELECT rootpage FROM sqlite_master; |
| 609 } |
| 610 } {3 4} |
| 611 |
| 612 set ::otherdata "[string range $::data 0 1000][string range $::data 1001 end]" |
| 613 do_test incrblob-7.3.1 { |
| 614 execsql { |
| 615 INSERT INTO t2 VALUES(456, $::otherdata); |
| 616 } |
| 617 set ::b [db incrblob -readonly t2 b 456] |
| 618 fconfigure $::b -translation binary |
| 619 read $::b |
| 620 } $::otherdata |
| 621 do_test incrblob-7.3.2 { |
| 622 expr [file size test.db]/1024 |
| 623 } 30 |
| 624 do_test incrblob-7.3.3 { |
| 625 execsql { |
| 626 DELETE FROM t1 WHERE a = 123; |
| 627 PRAGMA INCREMENTAL_VACUUM(0); |
| 628 } |
| 629 seek $::b 0 |
| 630 read $::b |
| 631 } $::otherdata |
| 632 |
| 633 # Attempt to write on a read-only blob. Make sure the error code |
| 634 # gets set. Ticket #2464. |
| 635 # |
| 636 do_test incrblob-7.4 { |
| 637 set rc [catch {sqlite3_blob_write $::b 10 HELLO} msg] |
| 638 lappend rc $msg |
| 639 } {1 SQLITE_READONLY} |
| 640 do_test incrblob-7.5 { |
| 641 sqlite3_errcode db |
| 642 } {SQLITE_READONLY} |
| 643 do_test incrblob-7.6 { |
| 644 sqlite3_errmsg db |
| 645 } {attempt to write a readonly database} |
| 646 |
| 647 # Test that if either the "offset" or "amount" arguments to |
| 648 # sqlite3_blob_write() are less than zero, SQLITE_ERROR is returned. |
| 649 # |
| 650 do_test incrblob-8.1 { |
| 651 execsql { INSERT INTO t1 VALUES(314159, 'sqlite') } |
| 652 set ::b [db incrblob t1 b 314159] |
| 653 fconfigure $::b -translation binary |
| 654 set rc [catch {sqlite3_blob_write $::b 10 HELLO -1} msg] |
| 655 lappend rc $msg |
| 656 } {1 SQLITE_ERROR} |
| 657 do_test incrblob-8.2 { |
| 658 sqlite3_errcode db |
| 659 } {SQLITE_ERROR} |
| 660 do_test incrblob-8.3 { |
| 661 set rc [catch {sqlite3_blob_write $::b -1 HELLO 5} msg] |
| 662 lappend rc $msg |
| 663 } {1 SQLITE_ERROR} |
| 664 do_test incrblob-8.4 { |
| 665 sqlite3_errcode db |
| 666 } {SQLITE_ERROR} |
| 667 do_test incrblob-8.5 { |
| 668 execsql {SELECT b FROM t1 WHERE a = 314159} |
| 669 } {sqlite} |
| 670 do_test incrblob-8.6 { |
| 671 set rc [catch {sqlite3_blob_write $::b 0 etilqs 6} msg] |
| 672 lappend rc $msg |
| 673 } {0 {}} |
| 674 do_test incrblob-8.7 { |
| 675 execsql {SELECT b FROM t1 WHERE a = 314159} |
| 676 } {etilqs} |
| 677 |
| 678 # The following test case exposes an instance in the blob code where |
| 679 # an error message was set using a call similar to sqlite3_mprintf(zErr), |
| 680 # where zErr is an arbitrary string. This is no good if the string contains |
| 681 # characters that can be mistaken for printf() formatting directives. |
| 682 # |
| 683 do_test incrblob-9.1 { |
| 684 list [catch { db incrblob t1 "A tricky column name %s%s" 1 } msg] $msg |
| 685 } {1 {no such column: "A tricky column name %s%s"}} |
| 686 |
| 687 |
| 688 finish_test |
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