Import BSDDB 4.7.25 (as of svn r89086)

test/log008script.tcl

@@ -0,0 +1,82 @@
+# See the file LICENSE for redistribution information.
+#
+# Copyright (c) 2005,2008 Oracle.  All rights reserved.
+#
+# $Id: log008script.tcl,v 12.7 2008/01/08 20:58:53 bostic Exp $
+#
+# Log008 script - dbreg_ckp and txn_ckp records spanning log files.
+#
+# Usage: log008script
+
+source ./include.tcl
+set tnum "008"
+set usage "log008script nhandles"
+
+# Verify usage
+if { $argc != 1 } {
+	puts stderr "FAIL:[timestamp] Usage: $usage"
+	exit
+}
+
+# Initialize arguments
+set nhandles [ lindex $argv 0 ]
+
+# We make the log files small so it's likely that the
+# records will end up in different files.
+set maxbsize [expr 8 * 1024]
+set maxfile [expr 32 * 1024]
+
+# Set up environment.
+set envcmd "berkdb_env -create -txn -home $testdir \
+    -log_buffer $maxbsize -log_max $maxfile"
+set dbenv [eval $envcmd]
+error_check_good dbenv [is_valid_env $dbenv] TRUE
+
+# Open a lot of database handles.
+set filename TESTFILE
+set handlelist {}
+for { set i 0 } { $i < $nhandles } { incr i } {
+	set db [berkdb_open \
+	    -create -env $dbenv -auto_commit -btree $filename]
+	lappend handlelist $db
+}
+
+# Fill log files, checking LSNs before and after a checkpoint,
+# until we generate a case where the records span two log files.
+set i 0
+while { 1 } {
+	set txn [$dbenv txn]
+	foreach handle $handlelist {
+		error_check_good \
+		    db_put [$handle put -txn $txn key.$i data.$i] 0
+		incr i
+	}
+	error_check_good txn_commit [$txn commit] 0
+
+	# Find current LSN file number.
+	set filenum [stat_field $dbenv log_stat "Current log file number"]
+
+	# Checkpoint.
+	error_check_good checkpoint [$dbenv txn_checkpoint] 0
+
+	# Find current LSN.
+	set newfilenum [stat_field $dbenv log_stat "Current log file number"]
+	if { [expr $newfilenum > $filenum] } {
+		break
+	}
+}
+
+# Do one more transactional operation per fileid.
+set txn [$dbenv txn]
+foreach handle $handlelist {
+	error_check_good \
+	    db_put [$handle put -txn $txn key.$i data.$i] 0
+	incr i
+}
+error_check_good txn_commit [$txn commit] 0
+
+# Archive, deleting the log files we think we no longer need.
+set stat [eval exec $util_path/db_archive -d -h $testdir]
+
+# Child is done.  Exit, abandoning the env instead of closing it.
+exit