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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996, 1997, 1998, 1999, 2000
# Sleepycat Software. All rights reserved.
#
# $Id: test029.tcl,v 11.13 2000/08/25 14:21:55 sue Exp $
#
# DB Test 29 {method nentries}
# Test the Btree and Record number renumbering.
proc test029 { method {nentries 10000} args} {
source ./include.tcl
set do_renumber [is_rrecno $method]
set args [convert_args $method $args]
set omethod [convert_method $method]
puts "Test029: $method ($args)"
if { [string compare $omethod "-hash"] == 0 } {
puts "Test029 skipping for method HASH"
return
}
if { [is_record_based $method] == 1 && $do_renumber != 1 } {
puts "Test029 skipping for method RECNO (w/out renumbering)"
return
}
# Create the database and open the dictionary
set eindex [lsearch -exact $args "-env"]
#
# If we are using an env, then testfile should just be the db name.
# Otherwise it is the test directory and the name.
if { $eindex == -1 } {
set testfile $testdir/test029.db
set env NULL
} else {
set testfile test029.db
incr eindex
set env [lindex $args $eindex]
}
cleanup $testdir $env
# Read the first nentries dictionary elements and reverse them.
# Keep a list of these (these will be the keys).
puts "\tTest029.a: initialization"
set keys ""
set did [open $dict]
set count 0
while { [gets $did str] != -1 && $count < $nentries } {
lappend keys [reverse $str]
incr count
}
close $did
# Generate sorted order for the keys
set sorted_keys [lsort $keys]
# Save the first and last keys
set last_key [lindex $sorted_keys end]
set last_keynum [llength $sorted_keys]
set first_key [lindex $sorted_keys 0]
set first_keynum 1
# Create the database
if { [string compare $omethod "-btree"] == 0 } {
set db [eval {berkdb_open -create -truncate \
-mode 0644 -recnum} $args {$omethod $testfile}]
error_check_good dbopen [is_valid_db $db] TRUE
} else {
set db [eval {berkdb_open -create -truncate \
-mode 0644} $args {$omethod $testfile}]
error_check_good dbopen [is_valid_db $db] TRUE
}
set pflags ""
set gflags ""
set txn ""
if { [is_record_based $method] == 1 } {
append gflags " -recno"
}
puts "\tTest029.b: put/get loop"
foreach k $keys {
if { [is_record_based $method] == 1 } {
set key [lsearch $sorted_keys $k]
incr key
} else {
set key $k
}
set ret [eval {$db put} \
$txn $pflags {$key [chop_data $method $k]}]
error_check_good dbput $ret 0
set ret [eval {$db get} $txn $gflags {$key}]
if { [string compare [lindex [lindex $ret 0] 1] $k] != 0 } {
puts "Test029: put key-data $key $k got $ret"
return
}
}
# Now delete the first key in the database
puts "\tTest029.c: delete and verify renumber"
# Delete the first key in the file
if { [is_record_based $method] == 1 } {
set key $first_keynum
} else {
set key $first_key
}
set ret [eval {$db del} $txn {$key}]
error_check_good db_del $ret 0
# Now we are ready to retrieve records based on
# record number
if { [string compare $omethod "-btree"] == 0 } {
append gflags " -recno"
}
# First try to get the old last key (shouldn't exist)
set ret [eval {$db get} $txn $gflags {$last_keynum}]
error_check_good get_after_del $ret [list]
# Now try to get what we think should be the last key
set ret [eval {$db get} $txn $gflags {[expr $last_keynum - 1]}]
error_check_good \
getn_last_after_del [lindex [lindex $ret 0] 1] $last_key
# Create a cursor; we need it for the next test and we
# need it for recno here.
set dbc [eval {$db cursor} $txn]
error_check_good db_cursor [is_substr $dbc $db] 1
# OK, now re-put the first key and make sure that we
# renumber the last key appropriately.
if { [string compare $omethod "-btree"] == 0 } {
set ret [eval {$db put} $txn {$key [chop_data $method $first_key]}]
error_check_good db_put $ret 0
} else {
# Recno
set ret [eval {$dbc get} $txn {-first}]
set ret [eval {$dbc put} $txn $pflags {-before $first_key}]
error_check_bad dbc_put:DB_BEFORE $ret 0
}
# Now check that the last record matches the last record number
set ret [eval {$db get} $txn $gflags {$last_keynum}]
error_check_good \
getn_last_after_put [lindex [lindex $ret 0] 1] $last_key
# Now delete the first key in the database using a cursor
puts "\tTest029.d: delete with cursor and verify renumber"
set ret [eval {$dbc get} $txn {-first}]
error_check_good dbc_first $ret [list [list $key $first_key]]
# Now delete at the cursor
set ret [$dbc del]
error_check_good dbc_del $ret 0
# Now check the record numbers of the last keys again.
# First try to get the old last key (shouldn't exist)
set ret [eval {$db get} $txn $gflags {$last_keynum}]
error_check_good get_last_after_cursor_del:$ret $ret [list]
# Now try to get what we think should be the last key
set ret [eval {$db get} $txn $gflags {[expr $last_keynum - 1]}]
error_check_good \
getn_after_cursor_del [lindex [lindex $ret 0] 1] $last_key
# Re-put the first key and make sure that we renumber the last
# key appropriately.
puts "\tTest029.e: put with cursor and verify renumber"
if { [string compare $omethod "-btree"] == 0 } {
set ret [eval {$dbc put} \
$txn $pflags {-current $first_key}]
error_check_good dbc_put:DB_CURRENT $ret 0
} else {
set ret [eval {$dbc put} $txn $pflags {-before $first_key}]
error_check_bad dbc_put:DB_BEFORE $ret 0
}
# Now check that the last record matches the last record number
set ret [eval {$db get} $txn $gflags {$last_keynum}]
error_check_good \
get_after_cursor_reput [lindex [lindex $ret 0] 1] $last_key
error_check_good dbc_close [$dbc close] 0
error_check_good db_close [$db close] 0
}
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