------BEGIN PGP SIGNED MESSAGE-----
-Hash: SHA1
-
-C Fix\sthe\sxCurrentTimeInt64\sinterface\son\swindows.\s\sIt\swas\soff\sby\sa\sfactor\sof\s10.
-D 2010-06-23T15:18:12
+C Add\sa\sversion\snumber\sto\sthe\swal-index\sheader.\sIf\sSQLite\sencounters\sa\sversion\snumber\sin\seither\sthe\swal\sor\swal-index\sfiles\sthat\sit\sdoes\snot\sunderstand,\sthe\soperation\sis\sabandoned\sand\sSQLITE_CANTOPEN\sreturned.
+D 2010-06-23T15:55:43
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in a5cad1f8f3e021356bfcc6c77dc16f6f1952bbc3
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
F src/vdbemem.c 2a82f455f6ca6f78b59fb312f96054c04ae0ead1
F src/vdbetrace.c 864cef96919323482ebd9986f2132435115e9cc2
F src/vtab.c a0f8a40274e4261696ef57aa806de2776ab72cda
-F src/wal.c 70ffd43c93adb3c28c175f7ac5e63db3b5469821
+F src/wal.c 563b7030efc55fe1ef105bd865876f2bf74f281b
F src/wal.h 4ace25262452d17e7d3ec970c89ee17794004008
F src/walker.c 3112bb3afe1d85dc52317cb1d752055e9a781f8f
F src/where.c 1c895bef33d0dfc7ed90fb1f74120435d210ea56
F test/autovacuum_ioerr2.test 598b0663074d3673a9c1bc9a16e80971313bafe6
F test/avtrans.test 0252654f4295ddda3b2cce0e894812259e655a85
F test/backup.test 200e64bd91244b73ca8094bc1e03dfc83cc94c2e
-F test/backup2.test 159419073d9769fdb1780ed7e5b391a046f898d5
+F test/backup2.test b7c69f937c912e85ac8a5dbd1e1cf290302b2d49
F test/backup_ioerr.test 1f012e692f42c0442ae652443258f70e9f20fa38
F test/backup_malloc.test 1e063c6d75143d0d6e0ae77971dd690070369387
F test/badutf.test d5360fc31f643d37a973ab0d8b4fb85799c3169f
F test/createtab.test 199cf68f44e5d9e87a0b8afc7130fdeb4def3272
F test/cse.test 277350a26264495e86b1785f34d2d0c8600e021c
F test/ctime.test f5040beef89c1b2bdb6a9edb7358a519213ff80c
-F test/date.test 30269d897df4e2e8064aca5d36bc78c5fa265ce3
+F test/date.test 6354b883f922c38046a8efbad187cc95df6da023
F test/dbstatus.test 838447a0ecca1232675b025c0a518a9ef0f8057e
F test/default.test 6faf23ccb300114924353007795aa9a8ec0aa9dc
F test/delete.test f7629d9eb245dfca170169cc5c7a735dec34aeb4
F test/notnull.test cc7c78340328e6112a13c3e311a9ab3127114347
F test/null.test a8b09b8ed87852742343b33441a9240022108993
F test/openv2.test af02ed0a9cbc0d2a61b8f35171d4d117e588e4ec
-F test/pager1.test c3ec08550a4b6beb1c26976e6f7eca9762427259
+F test/pager1.test 31478e94375cb3725a2ffe8b84196520a8248c36
F test/pager2.test f5c757c271ce642d36a393ecbfb3aef1c240dcef
F test/pagerfault.test e67e9c18bf7b4bb8cc8d458d3a5ecc980f18a225
F test/pageropt.test 8146bf448cf09e87bb1867c2217b921fb5857806
F test/vtab_alter.test 9e374885248f69e251bdaacf480b04a197f125e5
F test/vtab_err.test 0d4d8eb4def1d053ac7c5050df3024fd47a3fbd8
F test/vtab_shared.test 0eff9ce4f19facbe0a3e693f6c14b80711a4222d
-F test/wal.test 55c3fae8a03437d52518e61ef115544fac108582
-F test/wal2.test 7ea1426f71fd29566ec8be818f3c2681125dd462
+F test/wal.test 1891e6f72dd437a1c2a48091aa9182ba17a8f780
+F test/wal2.test 9f2c2a00358b1466bc38feda85f105a4fb52f251
F test/wal3.test bb3bc0be06411c2d147c1d1d636b6208fbe0349d
-F test/wal_common.tcl 3e953ae60919281688ea73e4d0aa0e1bc94becd9
-F test/walbak.test e7650a26eb4b8abeca9b145b1af1e63026dde432
-F test/walcksum.test 4efa8fb88c32bed8288ea4385a9cc113a5c8f0bf
+F test/wal_common.tcl 875ee2118cd7b292ba22fb9bfa66a984b5226b13
+F test/walbak.test e5632adde03fbb0533b9928a89468566ef78a710
+F test/walcksum.test a37b36375c595e61bdb7e1ec49b5f0979b6fc7ce
F test/walcrash.test f6d5fb2bb108876f04848720a488065d9deef69f
-F test/walcrash2.test 14585ad1a2c85da2de721caa3b4deeea55213008
+F test/walcrash2.test 019d60b89d96c1937adb2b30b850ac7e86e5a142
F test/walfault.test c2b524299dede269282a0795e11396cc446ca9af
-F test/walhook.test 67e675127f4acb72f061a12667ce6e5460b06b78
+F test/walhook.test ed00a40ba7255da22d6b66433ab61fab16a63483
F test/walmode.test b54e2f91f34179c65cab02a6916578617a33eef0
F test/walslow.test d21625e2e99e11c032ce949e8a94661576548933
F test/walthread.test a25a393c068a2b42b44333fa3fdaae9072f1617c
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P 8bfbdec647d29f0eb103ba7deb9116c44193f2e1
-R 09a8767bbb752bc5b889ee5ad34b2188
-U drh
-Z d3f0906bc523ad7c3782958b2021769c
------BEGIN PGP SIGNATURE-----
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+P 51ef43b9f7db8fabf73d9c8a76dae6c275e50d58
+R e307cca35ebca5b482c8b5d8cba99105
+U dan
+Z a33770995e057029bfccdeb012e41a17
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\ No newline at end of file
+8d0f8a7f70d6fb42369411a934b30f8c8ca8322f
\ No newline at end of file
** 12: Checkpoint sequence number
** 16: Salt-1, random integer incremented with each checkpoint
** 20: Salt-2, a different random integer changing with each ckpt
+** 24: Checksum-1 (first part of checksum for first 24 bytes of header).
+** 28: Checksum-2 (second part of checksum for first 24 bytes of header).
**
** Immediately following the wal-header are zero or more frames. Each
** frame consists of a 24-byte frame-header followed by a <page-size> bytes
# define WALTRACE(X)
#endif
+/*
+** The maximum (and only) versions of the wal and wal-index formats
+** that may be interpreted by this version of SQLite.
+**
+** If a client begins recovering a WAL file and finds that (a) the checksum
+** values in the wal-header are correct and (b) the version field is not
+** WAL_MAX_VERSION, recovery fails and SQLite returns SQLITE_CANTOPEN.
+**
+** Similarly, if a client successfully reads a wal-index header (i.e. the
+** checksum test is successful) and finds that the version field is not
+** WALINDEX_MAX_VERSION, then no read-transaction is opened and SQLite
+** returns SQLITE_CANTOPEN.
+*/
+#define WAL_MAX_VERSION 3007000
+#define WALINDEX_MAX_VERSION 3007000
/*
** Indices of various locking bytes. WAL_NREADER is the number
** object.
*/
struct WalIndexHdr {
+ u32 iVersion; /* Wal-index version */
+ u32 unused; /* Unused (padding) field */
u32 iChange; /* Counter incremented each transaction */
u8 isInit; /* 1 when initialized */
u8 bigEndCksum; /* True if checksums in WAL are big-endian */
/* Size of header before each frame in wal */
#define WAL_FRAME_HDRSIZE 24
-/* Size of write ahead log header */
-#define WAL_HDRSIZE 24
+/* Size of write ahead log header, including checksum. */
+/* #define WAL_HDRSIZE 24 */
+#define WAL_HDRSIZE 32
/* WAL magic value. Either this value, or the same value with the least
** significant bit also set (WAL_MAGIC | 0x00000001) is stored in 32-bit
assert( pWal->writeLock );
pWal->hdr.isInit = 1;
+ pWal->hdr.iVersion = WALINDEX_MAX_VERSION;
walChecksumBytes(1, (u8*)&pWal->hdr, nCksum, 0, pWal->hdr.aCksum);
memcpy((void *)&aHdr[1], (void *)&pWal->hdr, sizeof(WalIndexHdr));
sqlite3OsShmBarrier(pWal->pDbFd);
i64 iOffset; /* Next offset to read from log file */
int szPage; /* Page size according to the log */
u32 magic; /* Magic value read from WAL header */
+ u32 version; /* Magic value read from WAL header */
/* Read in the WAL header. */
rc = sqlite3OsRead(pWal->pWalFd, aBuf, WAL_HDRSIZE, 0);
pWal->nCkpt = sqlite3Get4byte(&aBuf[12]);
memcpy(&pWal->hdr.aSalt, &aBuf[16], 8);
walChecksumBytes(pWal->hdr.bigEndCksum==SQLITE_BIGENDIAN,
- aBuf, WAL_HDRSIZE, 0, pWal->hdr.aFrameCksum
+ aBuf, WAL_HDRSIZE-2*4, 0, pWal->hdr.aFrameCksum
);
+ if( pWal->hdr.aFrameCksum[0]!=sqlite3Get4byte(&aBuf[24])
+ || pWal->hdr.aFrameCksum[1]!=sqlite3Get4byte(&aBuf[28])
+ ){
+ goto finished;
+ }
+
+ version = sqlite3Get4byte(&aBuf[4]);
+ if( version!=WAL_MAX_VERSION ){
+ rc = SQLITE_CANTOPEN_BKPT;
+ goto finished;
+ }
+
/* Malloc a buffer to read frames into. */
szFrame = szPage + WAL_FRAME_HDRSIZE;
aFrame = (u8 *)sqlite3_malloc(szFrame);
** being modified by another user.
*/
badHdr = (page0 ? walIndexTryHdr(pWal, pChanged) : 1);
+ if( badHdr==0 && pWal->hdr.iVersion!=WALINDEX_MAX_VERSION ){
+ rc = SQLITE_CANTOPEN_BKPT;
+ }
/* If the first attempt failed, it might have been due to a race
** with a writer. So get a WRITE lock and try again.
*/
iFrame = pWal->hdr.mxFrame;
if( iFrame==0 ){
- u8 aWalHdr[WAL_HDRSIZE]; /* Buffer to assembly wal-header in */
+ u8 aWalHdr[WAL_HDRSIZE]; /* Buffer to assemble wal-header in */
+ u32 aCksum[2]; /* Checksum for wal-header */
+
sqlite3Put4byte(&aWalHdr[0], (WAL_MAGIC | SQLITE_BIGENDIAN));
- sqlite3Put4byte(&aWalHdr[4], 3007000);
+ sqlite3Put4byte(&aWalHdr[4], WAL_MAX_VERSION);
sqlite3Put4byte(&aWalHdr[8], szPage);
- pWal->szPage = szPage;
- pWal->hdr.bigEndCksum = SQLITE_BIGENDIAN;
sqlite3Put4byte(&aWalHdr[12], pWal->nCkpt);
memcpy(&aWalHdr[16], pWal->hdr.aSalt, 8);
+ walChecksumBytes(1, aWalHdr, WAL_HDRSIZE-2*4, 0, aCksum);
+ sqlite3Put4byte(&aWalHdr[24], aCksum[0]);
+ sqlite3Put4byte(&aWalHdr[28], aCksum[1]);
+
+ pWal->szPage = szPage;
+ pWal->hdr.bigEndCksum = SQLITE_BIGENDIAN;
+ pWal->hdr.aFrameCksum[0] = aCksum[0];
+ pWal->hdr.aFrameCksum[1] = aCksum[1];
+
rc = sqlite3OsWrite(pWal->pWalFd, aWalHdr, sizeof(aWalHdr), 0);
WALTRACE(("WAL%p: wal-header write %s\n", pWal, rc ? "failed" : "ok"));
if( rc!=SQLITE_OK ){
return rc;
}
- walChecksumBytes(1, aWalHdr, sizeof(aWalHdr), 0, pWal->hdr.aFrameCksum);
}
assert( pWal->szPage==szPage );
set testdir [file dirname $argv0]
source $testdir/tester.tcl
+do_not_use_codec
+
ifcapable !trigger||!view { finish_test ; return }
# Fill a database with test data.
# Put a floating point number in the database so that we can manipulate
# raw bits using the hexio interface.
#
-do_test date-14.1 {
- execsql {
- PRAGMA auto_vacuum=OFF;
- PRAGMA page_size = 1024;
- CREATE TABLE t1(x);
- INSERT INTO t1 VALUES(1.1);
+if {0==[sqlite3 -has-codec]} {
+ do_test date-14.1 {
+ execsql {
+ PRAGMA auto_vacuum=OFF;
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(x);
+ INSERT INTO t1 VALUES(1.1);
+ }
+ db close
+ hexio_write test.db 2040 4142ba32bffffff9
+ sqlite3 db test.db
+ db eval {SELECT * FROM t1}
+ } {2454629.5}
+
+ # Changing the least significant byte of the floating point value between
+ # 00 and FF should always generate a time of either 23:59:59 or 00:00:00,
+ # never 24:00:00
+ #
+ for {set i 0} {$i<=255} {incr i} {
+ db close
+ hexio_write test.db 2047 [format %02x $i]
+ sqlite3 db test.db
+ do_test date-14.2.$i {
+ set date [db one {SELECT datetime(x) FROM t1}]
+ expr {$date eq "2008-06-12 00:00:00" || $date eq "2008-06-11 23:59:59"}
+ } {1}
}
- db close
- hexio_write test.db 2040 4142ba32bffffff9
- sqlite3 db test.db
- db eval {SELECT * FROM t1}
-} {2454629.5}
-
-# Changing the least significant byte of the floating point value between
-# 00 and FF should always generate a time of either 23:59:59 or 00:00:00,
-# never 24:00:00
-#
-for {set i 0} {$i<=255} {incr i} {
- db close
- hexio_write test.db 2047 [format %02x $i]
- sqlite3 db test.db
- do_test date-14.2.$i {
- set date [db one {SELECT datetime(x) FROM t1}]
- expr {$date eq "2008-06-12 00:00:00" || $date eq "2008-06-11 23:59:59"}
- } {1}
}
finish_test
# journal. Check that the first record in the transaction is
# played back, but not the second.
#
+# pager1-4.5.6: Restore the file-system. Try to open the database with a
+# readonly connection. This should fail, as a read-only
+# connection cannot roll back the database file.
+#
faultsim_restore_and_reopen
do_execsql_test pager1.4.5.3 {
SELECT * FROM t1;
SELECT * FROM t2;
} {I II III IV 3 4}
+faultsim_restore_and_reopen
+db close
+sqlite3 db test.db -readonly 1
+do_catchsql_test pager1.4.5.6 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {1 {disk I/O error}}
+
db close
tv delete
source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/malloc_common.tcl
+source $testdir/wal_common.tcl
ifcapable !wal {finish_test ; return }
[lindex $args 0] function blob blob
}
-proc log_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
-}
-
proc log_deleted {logfile} {
return [expr [file exists $logfile]==0]
}
do_test wal-1.2 {
# There are now two pages in the log.
file size test.db-wal
-} [log_file_size 2 1024]
+} [wal_file_size 2 1024]
do_test wal-1.3 {
execsql { SELECT * FROM sqlite_master }
INSERT INTO t1 VALUES(1, 2);
}
list [file size test.db] [file size test.db-wal]
-} [list 1024 [log_file_size 3 1024]]
+} [list 1024 [wal_file_size 3 1024]]
do_test wal-7.2 {
execsql { PRAGMA wal_checkpoint }
list [file size test.db] [file size test.db-wal]
-} [list 2048 [log_file_size 3 1024]]
+} [list 2048 [wal_file_size 3 1024]]
# Execute some transactions in auto-vacuum mode to test database file
# truncation.
do_test wal-11.2 {
execsql { PRAGMA wal_checkpoint }
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 3 [log_file_size 3 1024]]
+} [list 3 [wal_file_size 3 1024]]
do_test wal-11.3 {
execsql { INSERT INTO t1 VALUES( blob(900) ) }
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 3 [log_file_size 4 1024]]
+} [list 3 [wal_file_size 4 1024]]
do_test wal-11.4 {
execsql {
INSERT INTO t1 SELECT blob(900) FROM t1; -- 16
}
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 3 [log_file_size 32 1024]]
+} [list 3 [wal_file_size 32 1024]]
do_test wal-11.5 {
execsql {
SELECT count(*) FROM t1;
do_test wal-11.6 {
execsql COMMIT
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 3 [log_file_size 41 1024]]
+} [list 3 [wal_file_size 41 1024]]
do_test wal-11.7 {
execsql {
SELECT count(*) FROM t1;
do_test wal-11.8 {
execsql { PRAGMA wal_checkpoint }
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 37 [log_file_size 41 1024]]
+} [list 37 [wal_file_size 41 1024]]
do_test wal-11.9 {
db close
list [expr [file size test.db]/1024] [log_deleted test.db-wal]
SELECT count(*) FROM t1;
}
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 37 [log_file_size 37 1024]]
+} [list 37 [wal_file_size 37 1024]]
do_test wal-11.11 {
execsql {
SELECT count(*) FROM t1;
} {32 16}
do_test wal-11.12 {
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 37 [log_file_size 37 1024]]
+} [list 37 [wal_file_size 37 1024]]
do_test wal-11.13 {
execsql {
INSERT INTO t1 VALUES( blob(900) );
} {17 ok}
do_test wal-11.14 {
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 37 [log_file_size 37 1024]]
+} [list 37 [wal_file_size 37 1024]]
#-------------------------------------------------------------------------
INSERT INTO t1 VALUES('A', 1);
}
list [expr [file size test.db]/1024] [file size test.db-wal]
-} [list 1 [log_file_size 5 1024]]
+} [list 1 [wal_file_size 5 1024]]
do_test wal-12.2 {
db close
sqlite3 db test.db
execsql { SELECT count(*) FROM t2 }
} [expr int(pow(2, 16))]
do_test wal-13.2.3 {
- expr [file size test.db-wal] > [log_file_size 33000 1024]
+ expr [file size test.db-wal] > [wal_file_size 33000 1024]
} 1
do_multiclient_test tn {
}
list [file size test.db] [file size test.db-wal]
- } [list [expr 1*1024] [log_file_size 10 1024]]
+ } [list [expr 1*1024] [wal_file_size 10 1024]]
do_test wal-16.$tn.3 {
list [file size test2.db] [file size test2.db-wal]
- } [list [expr 1*1024] [log_file_size 16 1024]]
+ } [list [expr 1*1024] [wal_file_size 16 1024]]
do_test wal-16.$tn.4 [list eval $ckpt_cmd] $ckpt_res
do_test wal-16.$tn.5 {
list [file size test.db] [file size test.db-wal]
- } [list [expr ($ckpt_main ? 7 : 1)*1024] [log_file_size 10 1024]]
+ } [list [expr ($ckpt_main ? 7 : 1)*1024] [wal_file_size 10 1024]]
do_test wal-16.$tn.6 {
list [file size test2.db] [file size test2.db-wal]
- } [list [expr ($ckpt_aux ? 7 : 1)*1024] [log_file_size 16 1024]]
+ } [list [expr ($ckpt_aux ? 7 : 1)*1024] [wal_file_size 16 1024]]
catch { db close }
}
# a transaction that modifies 171 pages. In synchronous=NORMAL mode, this
# produces a log file of:
#
-# 24 + (24+512)*171 = 90312 bytes.
+# 32 + (24+512)*171 = 90312 bytes.
#
# Slightly larger than 11*8192 = 90112 bytes.
#
#
set old_pending_byte [sqlite3_test_control_pending_byte 0x10000000]
catch { db close }
-foreach {tn sectorsize logsize} {
- 1 128 92216
- 2 256 92216
- 3 512 92216
- 4 1024 92216
- 5 2048 92216
- 6 4096 94360
- 7 8192 98648
-} {
+foreach {tn sectorsize logsize} "
+ 1 128 [wal_file_size 172 512]
+ 2 256 [wal_file_size 172 512]
+ 3 512 [wal_file_size 172 512]
+ 4 1024 [wal_file_size 172 512]
+ 5 2048 [wal_file_size 172 512]
+ 6 4096 [wal_file_size 176 512]
+ 7 8192 [wal_file_size 184 512]
+" {
file delete -force test.db test.db-wal test.db-journal
sqlite3_simulate_device -sectorsize $sectorsize
sqlite3 db test.db -vfs devsym
file copy -force test.db-wal testX.db-wal
db close
list [file size testX.db] [file size testX.db-wal]
-} [list [expr 3*1024] [log_file_size 6 1024]]
+} [list [expr 3*1024] [wal_file_size 6 1024]]
unset -nocomplain nFrame result
foreach {nFrame result} {
set c1 0
set c2 0
logcksum c1 c2 $walhdr
+
+ append walhdr [binary format II $c1 $c2]
logcksum c1 c2 [string range $framehdr 0 7]
logcksum c1 c2 $framebody
set framehdr [binary format IIIIII $pg 5 22 23 $c1 $c2]
close $fd
file size test.db-wal
- } [log_file_size 1 $pgsz]
+ } [wal_file_size 1 $pgsz]
do_test wal-18.2.$tn.$pg.5 {
sqlite3 db test.db
catch { db2 close }
catch { db close }
-file delete -force test.db test.db-wal test.db-journal
do_test wal-21.1 {
- sqlite3 db test.db
+ faultsim_delete_and_reopen
execsql {
PRAGMA journal_mode = WAL;
CREATE TABLE t1(a, b);
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
+source $testdir/malloc_common.tcl
+source $testdir/wal_common.tcl
+
ifcapable !wal {finish_test ; return }
proc set_tvfs_hdr {file args} {
# Set $nHdr to the number of bytes in the wal-index header:
- set nHdr 40
+ set nHdr 48
set nInt [expr {$nHdr/4}]
if {[llength $args]>2} {
5 $wih(2) $wih(1) {Barton Deakin Watson} \
6 $wih(2) $wih(2) {Barton Deakin Watson} \
7 $wih(1) $wih(1) {Barton Deakin} \
- 8 {0 0 0 0 0 0 0 0 0 0} {0 0 0 0 0 0 0 0 0 0} {Barton Deakin Watson} \
+ 8 {0 0 0 0 0 0 0 0 0 0 0 0} {0 0 0 0 0 0 0 0 0 0 0 0} {Barton Deakin Watson}
] {
do_test wal2-9.$tn {
set_tvfs_hdr $::filename $hdr1 $hdr2
db2 close
db close
+#-------------------------------------------------------------------------
+# This block of tests - wal2-10.* - focus on the libraries response to
+# new versions of the wal or wal-index formats.
+#
+# wal2-10.1.*: Test that the library refuses to "recover" a new WAL
+# format.
+#
+# wal2-10.2.*: Test that the library refuses to read or write a database
+# if the wal-index version is newer than it understands.
+#
+# At time of writing, the only versions of the wal and wal-index formats
+# that exist are versions 3007000 (corresponding to SQLite version 3.7.0,
+# the first version of SQLite to feature wal mode).
+#
+do_test wal2-10.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA journal_mode = WAL;
+ CREATE TABLE t1(a, b);
+ PRAGMA wal_checkpoint;
+ INSERT INTO t1 VALUES(1, 2);
+ INSERT INTO t1 VALUES(3, 4);
+ }
+ faultsim_save_and_close
+} {}
+do_test wal2-10.1.2 {
+ faultsim_restore_and_reopen
+ execsql { SELECT * FROM t1 }
+} {1 2 3 4}
+do_test wal2-10.1.3 {
+ faultsim_restore_and_reopen
+ set hdr [wal_set_walhdr test.db-wal]
+ lindex $hdr 1
+} {3007000}
+do_test wal2-10.1.4 {
+ lset hdr 1 3007001
+ wal_set_walhdr test.db-wal $hdr
+ catchsql { SELECT * FROM t1 }
+} {1 {unable to open database file}}
+
+testvfs tvfs -default 1
+do_test wal2-10.2.1 {
+ faultsim_restore_and_reopen
+ execsql { SELECT * FROM t1 }
+} {1 2 3 4}
+do_test wal2-10.2.2 {
+ set hdr [set_tvfs_hdr $::filename]
+ lindex $hdr 0
+} {3007000}
+breakpoint
+do_test wal2-10.2.3 {
+ lset hdr 0 3007001
+ wal_fix_walindex_cksum hdr
+ set_tvfs_hdr $::filename $hdr
+ catchsql { SELECT * FROM t1 }
+} {1 {unable to open database file}}
+
finish_test
+
#
proc wal_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
+ expr {32 + ($pgsz+24)*$nFrame}
}
proc wal_frame_count {zFile pgsz} {
set f [file size $zFile]
- expr {($f - 24) / ($pgsz+24)}
+ expr {($f - 32) / ($pgsz+24)}
}
+proc wal_cksum_intlist {ckv1 ckv2 intlist} {
+ upvar $ckv1 c1
+ upvar $ckv2 c2
+ foreach {v1 v2} $intlist {
+ set c1 [expr {($c1 + $v1 + $c2)&0xFFFFFFFF}]
+ set c2 [expr {($c2 + $v2 + $c1)&0xFFFFFFFF}]
+ }
+}
+
+
+# This proc calculates checksums in the same way as those used by SQLite
+# in WAL files. If the $endian argument is "big", then checksums are
+# calculated by interpreting data as an array of big-endian integers. If
+# it is "little", data is interpreted as an array of little-endian integers.
+#
+proc wal_cksum {endian ckv1 ckv2 blob} {
+ upvar $ckv1 c1
+ upvar $ckv2 c2
+
+ if {$endian!="big" && $endian!="little"} {
+ return -error "Bad value \"$endian\" - must be \"big\" or \"little\""
+ }
+ set scanpattern I*
+ if {$endian == "little"} { set scanpattern i* }
+
+ binary scan $blob $scanpattern values
+ wal_cksum_intlist c1 c2 $values
+}
+
+proc wal_set_walhdr {filename {intlist {}}} {
+ if {[llength $intlist]==6} {
+ set blob [binary format I6 $intlist]
+ set endian little
+ if {[lindex $intlist 0] & 0x00000001} { set endian big }
+ set c1 0
+ set c2 0
+ wal_cksum $endian c1 c2 $blob
+ append blob [binary format II $c1 $c2]
+
+ set fd [open $filename r+]
+ fconfigure $fd -translation binary
+ fconfigure $fd -encoding binary
+ seek $fd 0
+ puts -nonewline $fd $blob
+ close $fd
+ }
+
+ set fd [open $filename]
+ fconfigure $fd -translation binary
+ fconfigure $fd -encoding binary
+ set blob [read $fd 24]
+
+ binary scan $blob I6 ints
+ set ints
+}
+
+proc wal_fix_walindex_cksum {hdrvar} {
+ upvar $hdrvar hdr
+ set c1 0
+ set c2 0
+ wal_cksum_intlist c1 c2 [lrange $hdr 0 9]
+ lset hdr 10 $c1
+ lset hdr 11 $c2
+}
set testdir [file dirname $argv0]
source $testdir/tester.tcl
+source $testdir/wal_common.tcl
+
+do_not_use_codec
ifcapable !wal {finish_test ; return }
-proc log_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
-}
# Test organization:
#
} {wal}
do_test walbak-1.5 {
list [file size test.db] [file size test.db-wal]
-} [list 1024 [log_file_size 6 1024]]
+} [list 1024 [wal_file_size 6 1024]]
do_test walbak-1.6 {
execsql { PRAGMA wal_checkpoint }
list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [log_file_size 6 1024]]
+} [list [expr 3*1024] [wal_file_size 6 1024]]
do_test walbak-1.7 {
execsql {
CREATE TABLE t2(a, b);
DROP TABLE t1;
}
list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [log_file_size 6 1024]]
+} [list [expr 3*1024] [wal_file_size 6 1024]]
do_test walbak-1.8 {
execsql { VACUUM }
list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [log_file_size 8 1024]]
+} [list [expr 3*1024] [wal_file_size 8 1024]]
do_test walbak-1.9 {
execsql { PRAGMA wal_checkpoint }
list [file size test.db] [file size test.db-wal]
-} [list [expr 2*1024] [log_file_size 8 1024]]
+} [list [expr 2*1024] [wal_file_size 8 1024]]
#-------------------------------------------------------------------------
# Backups when the source db is modified mid-backup.
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
+source $testdir/wal_common.tcl
ifcapable !wal {finish_test ; return }
-# This proc calculates checksums in the same way as those used by SQLite
-# in WAL files. If the $endian argument is "big", then checksums are
-# calculated by interpreting data as an array of big-endian integers. If
-# it is "little", data is interpreted as an array of little-endian integers.
-#
-proc log_cksum {endian ckv1 ckv2 blob} {
- upvar $ckv1 c1
- upvar $ckv2 c2
-
- if {$endian!="big" && $endian!="little"} {
- return -error "Bad value \"$endian\" - must be \"big\" or \"little\""
- }
- set scanpattern I*
- if {$endian == "little"} { set scanpattern i* }
-
- binary scan $blob $scanpattern values
- foreach {v1 v2} $values {
- set c1 [expr {($c1 + $v1 + $c2)&0xFFFFFFFF}]
- set c2 [expr {($c2 + $v2 + $c1)&0xFFFFFFFF}]
- }
-}
-
-proc log_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
-}
-
# Read and return the contents of file $filename. Treat the content as
# binary data.
#
expr {$c1==$expect1 && $c2==$expect2}
}
-#
# File $filename must be a WAL file on disk. Compute the checksum for frame
# $iFrame in the file by interpreting data as $endian-endian integers
# ($endian must be either "big" or "little"). Then write the computed
close $fd
}
+# Calculate and return the checksum for a particular frame in a WAL.
+#
+# Arguments are:
+#
+# $data Blob containing the entire contents of a WAL.
+#
+# $iFrame Frame number within the $data WAL. Frames are numbered
+# starting at 1.
+#
+# $endian One of "big" or "little".
+#
+# Returns a list of three elements, as follows:
+#
+# * The byte offset of the checksum belonging to frame $iFrame in the WAL.
+# * The first integer in the calculated version of the checksum.
+# * The second integer in the calculated version of the checksum.
+#
proc log_checksum_calc {data iFrame endian} {
binary scan [string range $data 8 11] I pgsz
if {$iFrame > 1} {
- set n [log_file_size [expr $iFrame-2] $pgsz]
+ set n [wal_file_size [expr $iFrame-2] $pgsz]
binary scan [string range $data [expr $n+16] [expr $n+23]] II c1 c2
} else {
set c1 0
set c2 0
- log_cksum $endian c1 c2 [string range $data 0 23]
+ wal_cksum $endian c1 c2 [string range $data 0 23]
}
- set n [log_file_size [expr $iFrame-1] $pgsz]
- log_cksum $endian c1 c2 [string range $data $n [expr $n+7]]
- log_cksum $endian c1 c2 [string range $data [expr $n+24] [expr $n+24+$pgsz-1]]
+ set n [wal_file_size [expr $iFrame-1] $pgsz]
+ wal_cksum $endian c1 c2 [string range $data $n [expr $n+7]]
+ wal_cksum $endian c1 c2 [string range $data [expr $n+24] [expr $n+24+$pgsz-1]]
list [expr $n+16] $c1 $c2
}
# WAL header to indicate that checksums are $endian-endian ($endian must be
# either "big" or "little").
#
+# Also update the wal header checksum (since the wal header contents may
+# have changed).
+#
proc log_checksum_writemagic {filename endian} {
set val [expr {0x377f0682 | ($endian == "big" ? 1 : 0)}]
set bin [binary format I $val]
fconfigure $fd -encoding binary
fconfigure $fd -translation binary
puts -nonewline $fd $bin
+
+ seek $fd 0
+ set blob [read $fd 24]
+ set c1 0
+ set c2 0
+ wal_cksum $endian c1 c2 $blob
+ seek $fd 24
+ puts -nonewline $fd [binary format II $c1 $c2]
+
close $fd
}
db close
list [file size test2.db] [file size test2.db-wal]
- } [list [expr 1024*3] [log_file_size 6 1024]]
+ } [list [expr 1024*3] [wal_file_size 6 1024]]
# Verify that the checksums are valid for all frames and that they
# are calculated by interpreting data in native byte-order.
INSERT INTO t1 VALUES(34, 'thirtyfour');
}
list [file size test.db] [file size test.db-wal]
- } [list [expr 1024*3] [log_file_size 8 1024]]
+ } [list [expr 1024*3] [wal_file_size 8 1024]]
for {set f 1} {$f <= 8} {incr f} {
do_test walcksum-1.$endian.5.$f {
log_checksum_verify test.db-wal $f $endian
INSERT INTO t1 VALUES(55, 'fiftyfive');
} db2
list [file size test.db] [file size test.db-wal]
- } [list [expr 1024*3] [log_file_size 10 1024]]
+ } [list [expr 1024*3] [wal_file_size 10 1024]]
for {set f 1} {$f <= 10} {incr f} {
do_test walcksum-1.$endian.7.$f {
log_checksum_verify test.db-wal $f $endian
}
file size test.db-wal
-} [log_file_size 1 1024]
+} [wal_file_size 1 1024]
do_test walcksum-3.2 {
file copy -force test.db-wal test2.db-wal
file copy -force test.db test2.db
foreach incr {1 2 3 20 40 60 80 100 120 140 160 180 200 220 240 253 254 255} {
do_test walcksum-3.3.$incr {
set FAIL 0
- for {set iOff 0} {$iOff < [log_file_size 1 1024]} {incr iOff} {
+ for {set iOff 0} {$iOff < [wal_file_size 1 1024]} {incr iOff} {
file copy -force test.db-wal test2.db-wal
set fd [open test2.db-wal r+]
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
+source $testdir/wal_common.tcl
ifcapable !wal {finish_test ; return }
-proc wal_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
-}
#-------------------------------------------------------------------------
# This test case demonstrates a flaw in the wal-index manipulation that
set testdir [file dirname $argv0]
source $testdir/tester.tcl
+source $testdir/wal_common.tcl
ifcapable !wal {finish_test ; return }
-proc log_file_size {nFrame pgsz} {
- expr {24 + ($pgsz+24)*$nFrame}
-}
-
set ::wal_hook [list]
proc wal_hook {zDb nEntry} {
lappend ::wal_hook $zDb $nEntry
do_test walhook-2.$tn {
execsql $sql
list [file size test.db] [file size test.db-wal]
- } [list [expr $dbpages*1024] [log_file_size $logpages 1024]]
+ } [list [expr $dbpages*1024] [wal_file_size $logpages 1024]]
}
catch { db2 close }