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90 lines
2.2 KiB
Tcl
90 lines
2.2 KiB
Tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1996, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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# TEST txn002
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# TEST Verify that read-only transactions do not write log records.
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proc txn002 { {tnum "002" } { max 1024 } { ntxns 50 } } {
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source ./include.tcl
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global txn_curid
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global txn_maxid
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puts -nonewline "Txn$tnum: Read-only transaction test ($max) ($ntxns)"
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if { $tnum != "002" } {
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puts " (with ID wrap)"
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} else {
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puts ""
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}
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env_cleanup $testdir
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set env [berkdb \
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env -create -mode 0644 -txn -txn_max $max -home $testdir]
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error_check_good dbenv [is_valid_env $env] TRUE
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error_check_good txn_id_set \
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[$env txn_id_set $txn_curid $txn_maxid ] 0
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# Save the current bytes in the log.
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set off_start [txn002_logoff $env]
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# We will create a bunch of transactions and commit them.
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set txn_list {}
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set tid_list {}
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puts "\tTxn$tnum.a: Beginning/Committing Transactions"
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for { set i 0 } { $i < $ntxns } { incr i } {
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set txn [$env txn]
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error_check_good txn_begin [is_valid_txn $txn $env] TRUE
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lappend txn_list $txn
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set tid [$txn id]
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error_check_good tid_check [lsearch $tid_list $tid] -1
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lappend tid_list $tid
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}
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foreach t $txn_list {
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error_check_good txn_commit:$t [$t commit] 0
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}
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# Make sure we haven't written any new log records except
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# potentially some recycle records if we were wrapping txnids.
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set off_stop [txn002_logoff $env]
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if { $off_stop != $off_start } {
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txn002_recycle_only $testdir
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}
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error_check_good env_close [$env close] 0
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}
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proc txn002_logoff { env } {
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set stat [$env log_stat]
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foreach i $stat {
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foreach {txt val} $i {break}
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if { [string compare \
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$txt {Current log file offset}] == 0 } {
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return $val
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}
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}
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}
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# Make sure that the only log records found are txn_recycle records
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proc txn002_recycle_only { dir } {
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global util_path
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set tmpfile $dir/printlog.out
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set stat [catch {exec $util_path/db_printlog -h $dir > $tmpfile} ret]
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error_check_good db_printlog $stat 0
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set f [open $tmpfile r]
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while { [gets $f record] >= 0 } {
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set r [regexp {\[[^\]]*\]\[[^\]]*\]([^\:]*)\:} $record whl name]
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if { $r == 1 } {
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error_check_good record_type __txn_recycle $name
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}
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}
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close $f
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fileremove $tmpfile
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}
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