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Add the sqlite3rbu_state() API. Used to determine the current state (creating OAL, ready to move OAL, incremental-checkpoint, finished or error) of an RBU operation.

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FossilOrigin-Name: 92e7df0ff5c4c118c63d92a767dc82700438a310
This commit is contained in:
dan
2016-07-01 12:39:58 +00:00
parent 05d1bad674
commit e336b8914c
8 changed files with 182 additions and 94 deletions
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37
ext/rbu/rbu_common.tcl
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@ -15,12 +15,43 @@ if {![info exists testdir]} {
}
source $testdir/tester.tcl
proc check_prestep_state {target state} {
set oal_exists [file exists $target-oal]
set wal_exists [file exists $target-wal]
set progress [rbu progress]
if {($progress==0 && $state!="oal" && $state!="done")
|| ($oal_exists && $wal_exists)
|| ($progress>0 && $state=="oal" && (!$oal_exists || $wal_exists))
|| ($state=="move" && (!$oal_exists || $wal_exists))
|| ($state=="checkpoint" && ($oal_exists || !$wal_exists))
|| ($state=="done" && ($oal_exists && $progress!=0))
} {
error "B: state=$state progress=$progress oal=$oal_exists wal=$wal_exists"
}
}
proc check_poststep_state {rc target state} {
if {$rc=="SQLITE_OK" || $rc=="SQLITE_DONE"} {
set oal_exists [file exists $target-oal]
set wal_exists [file exists $target-wal]
if {$state=="move" && ($oal_exists || !$wal_exists)} {
error "A: state=$state progress=$progress oal=$oal_exists wal=$wal_exists"
}
}
}
# Run the RBU in file $rbu on target database $target until completion.
#
proc run_rbu {target rbu} {
sqlite3rbu rbu $target $rbu
while 1 {
set state [rbu state]
check_prestep_state $target $state
set rc [rbu step]
check_poststep_state $rc $target $state
if {$rc!="SQLITE_OK"} break
}
rbu close
@ -29,7 +60,10 @@ proc run_rbu {target rbu} {
proc step_rbu {target rbu} {
while 1 {
sqlite3rbu rbu $target $rbu
set state [rbu state]
check_prestep_state $target $state
set rc [rbu step]
check_poststep_state $rc $target $state
rbu close
if {$rc != "SQLITE_OK"} break
}
@ -41,7 +75,10 @@ proc do_rbu_vacuum_test {tn step} {
if {$step==0} { sqlite3rbu_vacuum rbu test.db state.db }
while 1 {
if {$step==1} { sqlite3rbu_vacuum rbu test.db state.db }
set state [rbu state]
check_prestep_state test.db $state
set rc [rbu step]
check_poststep_state $rc test.db $state
if {$rc!="SQLITE_OK"} break
if {$step==1} { rbu close }
}