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340 lines
10 KiB
Tcl
340 lines
10 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2000, 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 test085
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# TEST Test of cursor behavior when a cursor is pointing to a deleted
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# TEST btree key which then has duplicates added. [#2473]
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proc test085 { method {pagesize 512} {onp 3} {offp 10} {tnum "085"} args } {
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source ./include.tcl
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global alphabet
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set omethod [convert_method $method]
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set args [convert_args $method $args]
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set encargs ""
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set args [split_encargs $args encargs]
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set txnenv 0
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set eindex [lsearch -exact $args "-env"]
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#
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# If we are using an env, then testfile should just be the db name.
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# Otherwise it is the test directory and the name.
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if { $eindex == -1 } {
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set testfile $testdir/test$tnum.db
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set env NULL
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} else {
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set testfile test$tnum.db
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incr eindex
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set env [lindex $args $eindex]
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set txnenv [is_txnenv $env]
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if { $txnenv == 1 } {
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append args " -auto_commit "
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}
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set testdir [get_home $env]
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}
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set pgindex [lsearch -exact $args "-pagesize"]
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if { $pgindex != -1 } {
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puts "Test085: skipping for specific pagesizes"
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return
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}
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if { [is_partition_callback $args] == 1 } {
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set nodump 1
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} else {
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set nodump 0
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}
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cleanup $testdir $env
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# Keys must sort $prekey < $key < $postkey.
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set prekey "AA"
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set key "BBB"
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set postkey "CCCC"
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# Make these distinguishable from each other and from the
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# alphabets used for the $key's data.
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set predatum "1234567890"
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set datum $alphabet
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set postdatum "0987654321"
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set txn ""
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append args " -pagesize $pagesize -dup"
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puts -nonewline "Test$tnum $omethod ($args): "
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# Btree with compression does not support unsorted duplicates.
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if { [is_compressed $args] == 1 } {
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puts "Test$tnum skipping for btree with compression."
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return
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}
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# Skip for all non-btrees. (Rbtrees don't count as btrees, for
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# now, since they don't support dups.)
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if { [is_btree $method] != 1 } {
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puts "Skipping for method $method."
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return
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} else {
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puts "Duplicates w/ deleted item cursor."
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}
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# Repeat the test with both on-page and off-page numbers of dups.
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foreach ndups "$onp $offp" {
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# Put operations we want to test on a cursor set to the
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# deleted item, the key to use with them, and what should
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# come before and after them given a placement of
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# the deleted item at the beginning or end of the dupset.
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set final [expr $ndups - 1]
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set putops {
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{{-before} "" $predatum {[test085_ddatum 0]} beginning}
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{{-before} "" {[test085_ddatum $final]} $postdatum end}
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{{-keyfirst} $key $predatum {[test085_ddatum 0]} beginning}
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{{-keyfirst} $key $predatum {[test085_ddatum 0]} end}
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{{-keylast} $key {[test085_ddatum $final]} $postdatum beginning}
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{{-keylast} $key {[test085_ddatum $final]} $postdatum end}
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{{-after} "" $predatum {[test085_ddatum 0]} beginning}
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{{-after} "" {[test085_ddatum $final]} $postdatum end}
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}
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# Get operations we want to test on a cursor set to the
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# deleted item, any args to get, and the expected key/data pair.
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set getops {
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{{-current} "" "" "" beginning}
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{{-current} "" "" "" end}
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{{-next} "" $key {[test085_ddatum 0]} beginning}
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{{-next} "" $postkey $postdatum end}
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{{-prev} "" $prekey $predatum beginning}
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{{-prev} "" $key {[test085_ddatum $final]} end}
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{{-first} "" $prekey $predatum beginning}
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{{-first} "" $prekey $predatum end}
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{{-last} "" $postkey $postdatum beginning}
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{{-last} "" $postkey $postdatum end}
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{{-nextdup} "" $key {[test085_ddatum 0]} beginning}
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{{-nextdup} "" EMPTYLIST "" end}
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{{-nextnodup} "" $postkey $postdatum beginning}
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{{-nextnodup} "" $postkey $postdatum end}
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{{-prevnodup} "" $prekey $predatum beginning}
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{{-prevnodup} "" $prekey $predatum end}
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}
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set txn ""
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foreach pair $getops {
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set op [lindex $pair 0]
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puts "\tTest$tnum: Get ($op) with $ndups duplicates,\
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cursor at the [lindex $pair 4]."
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set db [eval {berkdb_open -create \
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-mode 0644} $omethod $encargs $args $testfile]
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error_check_good "db open" [is_valid_db $db] TRUE
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn \
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[is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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set dbc [test085_setup $db $txn]
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set beginning [expr [string compare \
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[lindex $pair 4] "beginning"] == 0]
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for { set i 0 } { $i < $ndups } { incr i } {
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if { $beginning } {
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error_check_good db_put($i) \
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[eval {$db put} $txn \
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{$key [test085_ddatum $i]}] 0
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} else {
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set c [eval {$db cursor} $txn]
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set j [expr $ndups - $i - 1]
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error_check_good db_cursor($j) \
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[is_valid_cursor $c $db] TRUE
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set d [test085_ddatum $j]
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error_check_good dbc_put($j) \
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[$c put -keyfirst $key $d] 0
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error_check_good c_close [$c close] 0
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}
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}
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set gargs [lindex $pair 1]
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set ekey ""
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set edata ""
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eval set ekey [lindex $pair 2]
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eval set edata [lindex $pair 3]
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set dbt [eval $dbc get $op $gargs]
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if { [string compare $ekey EMPTYLIST] == 0 || \
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[string compare $op -current] == 0 } {
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error_check_good dbt($op,$ndups) \
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[llength $dbt] 0
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} else {
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error_check_good dbt($op,$ndups) $dbt \
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[list [list $ekey $edata]]
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}
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error_check_good "dbc close" [$dbc close] 0
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if { $txnenv == 1 } {
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error_check_good txn [$t commit] 0
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}
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error_check_good "db close" [$db close] 0
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verify_dir $testdir "\t\t" 0 0 $nodump
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# Remove testfile so we can do without truncate flag.
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# This is okay because we've already done verify and
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# dump/load.
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if { $env == "NULL" } {
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set ret [eval {berkdb dbremove} \
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$encargs $testfile]
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} elseif { $txnenv == 1 } {
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set ret [eval "$env dbremove" \
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-auto_commit $encargs $testfile]
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} else {
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set ret [eval {berkdb dbremove} \
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-env $env $encargs $testfile]
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}
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error_check_good dbremove $ret 0
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}
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foreach pair $putops {
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# Open and set up database.
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set op [lindex $pair 0]
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puts "\tTest$tnum: Put ($op) with $ndups duplicates,\
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cursor at the [lindex $pair 4]."
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set db [eval {berkdb_open -create \
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-mode 0644} $omethod $args $encargs $testfile]
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error_check_good "db open" [is_valid_db $db] TRUE
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set beginning [expr [string compare \
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[lindex $pair 4] "beginning"] == 0]
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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set dbc [test085_setup $db $txn]
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# Put duplicates.
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for { set i 0 } { $i < $ndups } { incr i } {
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if { $beginning } {
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error_check_good db_put($i) \
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[eval {$db put} $txn \
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{$key [test085_ddatum $i]}] 0
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} else {
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set c [eval {$db cursor} $txn]
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set j [expr $ndups - $i - 1]
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error_check_good db_cursor($j) \
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[is_valid_cursor $c $db] TRUE
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set d [test085_ddatum $j]
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error_check_good dbc_put($j) \
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[$c put -keyfirst $key $d] 0
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error_check_good c_close [$c close] 0
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}
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}
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# Set up cursors for stability test.
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set pre_dbc [eval {$db cursor} $txn]
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error_check_good pre_set [$pre_dbc get -set $prekey] \
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[list [list $prekey $predatum]]
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set post_dbc [eval {$db cursor} $txn]
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error_check_good post_set [$post_dbc get -set $postkey]\
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[list [list $postkey $postdatum]]
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set first_dbc [eval {$db cursor} $txn]
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error_check_good first_set \
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[$first_dbc get -get_both $key [test085_ddatum 0]] \
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[list [list $key [test085_ddatum 0]]]
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set last_dbc [eval {$db cursor} $txn]
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error_check_good last_set \
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[$last_dbc get -get_both $key [test085_ddatum \
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[expr $ndups - 1]]] \
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[list [list $key [test085_ddatum [expr $ndups -1]]]]
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set k [lindex $pair 1]
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set d_before ""
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set d_after ""
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eval set d_before [lindex $pair 2]
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eval set d_after [lindex $pair 3]
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set newdatum "NewDatum"
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error_check_good dbc_put($op,$ndups) \
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[eval $dbc put $op $k $newdatum] 0
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error_check_good dbc_prev($op,$ndups) \
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[lindex [lindex [$dbc get -prev] 0] 1] \
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$d_before
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error_check_good dbc_current($op,$ndups) \
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[lindex [lindex [$dbc get -next] 0] 1] \
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$newdatum
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error_check_good dbc_next($op,$ndups) \
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[lindex [lindex [$dbc get -next] 0] 1] \
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$d_after
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# Verify stability of pre- and post- cursors.
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error_check_good pre_stable [$pre_dbc get -current] \
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[list [list $prekey $predatum]]
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error_check_good post_stable [$post_dbc get -current] \
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[list [list $postkey $postdatum]]
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error_check_good first_stable \
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[$first_dbc get -current] \
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[list [list $key [test085_ddatum 0]]]
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error_check_good last_stable \
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[$last_dbc get -current] \
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[list [list $key [test085_ddatum [expr $ndups -1]]]]
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foreach c "$pre_dbc $post_dbc $first_dbc $last_dbc" {
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error_check_good ${c}_close [$c close] 0
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}
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error_check_good "dbc close" [$dbc close] 0
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if { $txnenv == 1 } {
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error_check_good txn [$t commit] 0
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}
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error_check_good "db close" [$db close] 0
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verify_dir $testdir "\t\t" 0 0 $nodump
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# Remove testfile so we can do without truncate flag.
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# This is okay because we've already done verify and
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# dump/load.
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if { $env == "NULL" } {
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set ret [eval {berkdb dbremove} \
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$encargs $testfile]
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} elseif { $txnenv == 1 } {
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set ret [eval "$env dbremove" \
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-auto_commit $encargs $testfile]
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} else {
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set ret [eval {berkdb dbremove} \
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-env $env $encargs $testfile]
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}
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error_check_good dbremove $ret 0
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}
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}
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}
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# Set up the test database; put $prekey, $key, and $postkey with their
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# respective data, and then delete $key with a new cursor. Return that
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# cursor, still pointing to the deleted item.
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proc test085_setup { db txn } {
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upvar key key
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upvar prekey prekey
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upvar postkey postkey
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upvar predatum predatum
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upvar postdatum postdatum
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# no one else should ever see this one!
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set datum "bbbbbbbb"
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error_check_good pre_put [eval {$db put} $txn {$prekey $predatum}] 0
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error_check_good main_put [eval {$db put} $txn {$key $datum}] 0
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error_check_good post_put [eval {$db put} $txn {$postkey $postdatum}] 0
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set dbc [eval {$db cursor} $txn]
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error_check_good db_cursor [is_valid_cursor $dbc $db] TRUE
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error_check_good dbc_getset [$dbc get -get_both $key $datum] \
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[list [list $key $datum]]
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error_check_good dbc_del [$dbc del] 0
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return $dbc
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}
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proc test085_ddatum { a } {
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global alphabet
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return $a$alphabet
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}
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