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Overview
| Comment: | Fix another RBU case similar to the previous. This one for systems where the sector-size is larger than the page-size. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
4012bb3aa91927156ba149caa4e5c622 |
| User & Date: | dan 2017-03-02 16:56:48 |
References
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2017-03-07
| ||
| 14:46 | Fix another RBU case similar to the previous. This one for systems where the sector-size is larger than the page-size. Cherrypick of [4012bb3a]. check-in: 59a11b7f user: dan tags: version-3.17.0-rbu-fixes | |
Context
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2017-03-07
| ||
| 14:46 | Fix another RBU case similar to the previous. This one for systems where the sector-size is larger than the page-size. Cherrypick of [4012bb3a]. check-in: 59a11b7f user: dan tags: version-3.17.0-rbu-fixes | |
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2017-03-02
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| 23:40 | Fix a bug in the 'start of ...' date/time modifiers when they follow a julian day number. Fix for ticket [6097cb92745327a1]. check-in: 081dbcfb user: drh tags: trunk | |
| 16:56 | Fix another RBU case similar to the previous. This one for systems where the sector-size is larger than the page-size. check-in: 4012bb3a user: dan tags: trunk | |
| 14:51 | When saving the state of an RBU update in the incremental-checkpoint phase, sync the database file. Otherwise, if a power failure occurs and the RBU update resumed following system recovery, the database may become corrupt. check-in: edee6a80 user: dan tags: trunk | |
Changes
Changes to ext/rbu/rbucrash2.test.
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INSERT INTO data_t1 VALUES('five', randomblob(3500), NULL, 0);
INSERT INTO data_t1 VALUES('six', randomblob(3500), NULL, 0);
}
db_save_and_close
proc do_rbu_crash_test2 {tn script} {
foreach f {test.db test.db2} {
set bDone 0
for {set iDelay 1} {$bDone==0} {incr iDelay} {
forcedelete test.db2 test.db2-journal test.db test.db-oal test.db-wal
db_restore
set res [
crashsql -file $f -delay $iDelay -tclbody $script -dflt 1 -opendb {} \
-blocksize 512 {}
]
set bDone 1
if {$res == "1 {child process exited abnormally}"} {
set bDone 0
} elseif {$res != "0 {}"} {
error "unexected catchsql result: $res"
................................................................................
}
sqlite3rbu rbu test.db test.db2
while {[rbu step]=="SQLITE_OK"} {}
rbu close
sqlite3 db test.db
do_execsql_test $tn.delay=$iDelay.f=$f {
PRAGMA integrity_check;
} {ok}
db close
}
}
}
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INSERT INTO data_t1 VALUES('five', randomblob(3500), NULL, 0);
INSERT INTO data_t1 VALUES('six', randomblob(3500), NULL, 0);
}
db_save_and_close
proc do_rbu_crash_test2 {tn script} {
foreach {f blksz} {
test.db 512
test.db2 512
test.db 4096
test.db2 4096
} {
set bDone 0
for {set iDelay 1} {$bDone==0} {incr iDelay} {
forcedelete test.db2 test.db2-journal test.db test.db-oal test.db-wal
db_restore
set res [
crashsql -file $f -delay $iDelay -tclbody $script -dflt 1 -opendb {} \
-blocksize $blksz {}
]
set bDone 1
if {$res == "1 {child process exited abnormally}"} {
set bDone 0
} elseif {$res != "0 {}"} {
error "unexected catchsql result: $res"
................................................................................
}
sqlite3rbu rbu test.db test.db2
while {[rbu step]=="SQLITE_OK"} {}
rbu close
sqlite3 db test.db
do_execsql_test $tn.delay=$iDelay.f=$f.blksz=$blksz {
PRAGMA integrity_check;
} {ok}
db close
}
}
}
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Changes to ext/rbu/rbuprogress.test.
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INSERT INTO rbu_count VALUES('data_t1', 3);
}
return $filename
}
do_execsql_test 1.0 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
}
do_test 1.1 {
create_rbu1 rbu.db
sqlite3rbu rbu test.db rbu.db
rbu bp_progress
................................................................................
}] {SQLITE_DONE}]
}
foreach bReopen {0 1} {
do_test 3.$bReopen.1.0 {
reset_db
execsql {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
CREATE TABLE t4(a INTEGER PRIMARY KEY, b);
}
create_db_file rbu.db {
CREATE TABLE data_t1(a, b, rbu_control);
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INSERT INTO rbu_count VALUES('data_t1', 3);
}
return $filename
}
do_execsql_test 1.0 {
PRAGMA page_size = 4096;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
}
do_test 1.1 {
create_rbu1 rbu.db
sqlite3rbu rbu test.db rbu.db
rbu bp_progress
................................................................................
}] {SQLITE_DONE}]
}
foreach bReopen {0 1} {
do_test 3.$bReopen.1.0 {
reset_db
execsql {
PRAGMA page_size = 4096;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
CREATE TABLE t4(a INTEGER PRIMARY KEY, b);
}
create_db_file rbu.db {
CREATE TABLE data_t1(a, b, rbu_control);
|
Changes to ext/rbu/sqlite3rbu.c.
352 353 354 355 356 357 358 359 360 361 362 363 364 365 .... 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 .... 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 |
int rc; /* Value returned by last rbu_step() call */ char *zErrmsg; /* Error message if rc!=SQLITE_OK */ int nStep; /* Rows processed for current object */ int nProgress; /* Rows processed for all objects */ RbuObjIter objiter; /* Iterator for skipping through tbl/idx */ const char *zVfsName; /* Name of automatically created rbu vfs */ rbu_file *pTargetFd; /* File handle open on target db */ i64 iOalSz; i64 nPhaseOneStep; /* The following state variables are used as part of the incremental ** checkpoint stage (eStage==RBU_STAGE_CKPT). See comments surrounding ** function rbuSetupCheckpoint() for details. */ u32 iMaxFrame; /* Largest iWalFrame value in aFrame[] */ ................................................................................ p->iWalCksum = rbuShmChecksum(p); } if( p->rc==SQLITE_OK ){ if( p->nFrame==0 || (pState && pState->iWalCksum!=p->iWalCksum) ){ p->rc = SQLITE_DONE; p->eStage = RBU_STAGE_DONE; } } } /* ** Called when iAmt bytes are read from offset iOff of the wal file while ** the rbu object is in capture mode. Record the frame number of the frame ................................................................................ } if( p->rc==SQLITE_OK ){ p->eStage = RBU_STAGE_DONE; p->rc = SQLITE_DONE; } }else{ RbuFrame *pFrame = &p->aFrame[p->nStep]; rbuCheckpointFrame(p, pFrame); p->nStep++; } p->nProgress++; } break; } default: |
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int rc; /* Value returned by last rbu_step() call */ char *zErrmsg; /* Error message if rc!=SQLITE_OK */ int nStep; /* Rows processed for current object */ int nProgress; /* Rows processed for all objects */ RbuObjIter objiter; /* Iterator for skipping through tbl/idx */ const char *zVfsName; /* Name of automatically created rbu vfs */ rbu_file *pTargetFd; /* File handle open on target db */ int nPagePerSector; /* Pages per sector for pTargetFd */ i64 iOalSz; i64 nPhaseOneStep; /* The following state variables are used as part of the incremental ** checkpoint stage (eStage==RBU_STAGE_CKPT). See comments surrounding ** function rbuSetupCheckpoint() for details. */ u32 iMaxFrame; /* Largest iWalFrame value in aFrame[] */ ................................................................................ p->iWalCksum = rbuShmChecksum(p); } if( p->rc==SQLITE_OK ){ if( p->nFrame==0 || (pState && pState->iWalCksum!=p->iWalCksum) ){ p->rc = SQLITE_DONE; p->eStage = RBU_STAGE_DONE; }else{ int nSectorSize; sqlite3_file *pDb = p->pTargetFd->pReal; assert( p->nPagePerSector==0 ); nSectorSize = pDb->pMethods->xSectorSize(pDb); if( nSectorSize>p->pgsz ){ p->nPagePerSector = nSectorSize / p->pgsz; }else{ p->nPagePerSector = 1; } } } } /* ** Called when iAmt bytes are read from offset iOff of the wal file while ** the rbu object is in capture mode. Record the frame number of the frame ................................................................................ } if( p->rc==SQLITE_OK ){ p->eStage = RBU_STAGE_DONE; p->rc = SQLITE_DONE; } }else{ /* At one point the following block copied a single frame from the ** wal file to the database file. So that one call to sqlite3rbu_step() ** checkpointed a single frame. ** ** However, if the sector-size is larger than the page-size, and the ** application calls sqlite3rbu_savestate() or close() immediately ** after this step, then rbu_step() again, then a power failure occurs, ** then the database page written here may be damaged. Work around ** this by checkpointing frames until the next page in the aFrame[] ** lies on a different disk sector to the current one. */ u32 iSector; do{ RbuFrame *pFrame = &p->aFrame[p->nStep]; iSector = (pFrame->iDbPage-1) / p->nPagePerSector; rbuCheckpointFrame(p, pFrame); p->nStep++; }while( p->nStep<p->nFrame && iSector==((p->aFrame[p->nStep].iDbPage-1) / p->nPagePerSector) && p->rc==SQLITE_OK ); } p->nProgress++; } break; } default: |