proc test122 { method {tnum "122"} args } {
source ./include.tcl
set eindex [lsearch -exact $args "-env"]
if { $eindex != -1 } {
incr eindex
set env [lindex $args $eindex]
puts "Test$tnum skipping for env $env"
return
}
if { [is_queue $method] == 1 } {
puts "Test$tnum skipping for method $method"
return
}
puts "\tTest$tnum ($method): Turning MVCC on and off."
set args [convert_args $method $args]
set omethod [convert_method $method]
set encargs ""
set args [split_encargs $args encargs]
set filename "test.db"
env_cleanup $testdir
puts "\tTest$tnum.a: Creating txn env."
set env [eval {berkdb_env} -create -txn $encargs -home $testdir]
error_check_good env_open [is_valid_env $env] TRUE
puts "\tTest$tnum.b: Creating -multiversion db."
set db [eval {berkdb_open} -multiversion \
-create -auto_commit -env $env $omethod $args $filename]
error_check_good db_open [is_valid_db $db] TRUE
set niter 100
for { set i 1 } { $i < $niter } { incr i } {
set key $i
set data DATA.$i
error_check_good db_put [eval {$db put} $key $data] 0
}
puts "\tTest$tnum.c: Open read-only handle and txn -snapshot handle."
set t [$env txn -snapshot]
set txn "-txn $t"
set snapshotdb [eval {berkdb_open} \
$txn -env $env $omethod $args $filename]
error_check_good snapshotdb [is_valid_db $snapshotdb] TRUE
set readonlydb [eval {berkdb_open} \
-auto_commit -env $env $omethod $args $filename]
error_check_good readonlydb [is_valid_db $readonlydb] TRUE
puts "\tTest$tnum.d: Overwrite data."
for { set i 1 } { $i < $niter } { incr i } {
set key $i
set data NEWDATA.$i
error_check_good db_put [eval {$db put} $key $data] 0
}
puts "\tTest$tnum.e: Check data through handles."
for { set i 1 } { $i < $niter } { incr i } {
set r_ret [eval {$readonlydb get} $i]
set s_ret [eval {$snapshotdb get} $txn $i]
set r_key [lindex [lindex $r_ret 0] 0]
set r_data [lindex [lindex $r_ret 0] 1]
set s_key [lindex [lindex $s_ret 0] 0]
set s_data [lindex [lindex $s_ret 0] 1]
}
error_check_good t_commit [$t commit] 0
error_check_good db_close [$db close] 0
error_check_good snapshotdb_close [$snapshotdb close] 0
error_check_good readonlydb_close [$readonlydb close] 0
error_check_good env_close [$env close] 0
}