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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1999-2009 Oracle. All rights reserved.
#
# $Id$
#
# TEST test086
# TEST Test of cursor stability across btree splits/rsplits with
# TEST subtransaction aborts (a variant of test048). [#2373]
proc test086 { method args } {
global errorCode
source ./include.tcl
set tnum 086
set args [convert_args $method $args]
set encargs ""
set args [split_encargs $args encargs]
set pageargs ""
split_pageargs $args pageargs
if { [is_btree $method] != 1 } {
puts "Test$tnum skipping for method $method."
return
}
set method "-btree"
puts "\tTest$tnum: Test of cursor stability across aborted\
btree splits."
set key "key"
set data "data"
set txn ""
set flags ""
set eindex [lsearch -exact $args "-env"]
#
# If we are using an env, then this test won't work.
if { $eindex == -1 } {
# But we will be using our own env...
set testfile test$tnum.db
} else {
puts "\tTest$tnum: Environment provided; skipping test."
return
}
set t1 $testdir/t1
env_cleanup $testdir
set env [eval \
{berkdb_env -create -home $testdir -txn} $pageargs $encargs]
error_check_good berkdb_env [is_valid_env $env] TRUE
puts "\tTest$tnum.a: Create $method database."
set oflags "-auto_commit -create -env $env -mode 0644 $args $method"
set db [eval {berkdb_open} $oflags $testfile]
error_check_good dbopen [is_valid_db $db] TRUE
set nkeys 5
# Fill page w/ small key/data pairs, keep at leaf
#
puts "\tTest$tnum.b: Fill page with $nkeys small key/data pairs."
set txn [$env txn]
error_check_good txn [is_valid_txn $txn $env] TRUE
for { set i 0 } { $i < $nkeys } { incr i } {
set ret [$db put -txn $txn key000$i $data$i]
error_check_good dbput $ret 0
}
error_check_good commit [$txn commit] 0
# get db ordering, set cursors
puts "\tTest$tnum.c: Set cursors on each of $nkeys pairs."
set txn [$env txn]
error_check_good txn [is_valid_txn $txn $env] TRUE
for {set i 0; set ret [$db get -txn $txn key000$i]} {\
$i < $nkeys && [llength $ret] != 0} {\
incr i; set ret [$db get -txn $txn key000$i]} {
set key_set($i) [lindex [lindex $ret 0] 0]
set data_set($i) [lindex [lindex $ret 0] 1]
set dbc [$db cursor -txn $txn]
set dbc_set($i) $dbc
error_check_good db_cursor:$i [is_substr $dbc_set($i) $db] 1
set ret [$dbc_set($i) get -set $key_set($i)]
error_check_bad dbc_set($i)_get:set [llength $ret] 0
}
# Create child txn.
set ctxn [$env txn -parent $txn]
error_check_good ctxn [is_valid_txn $txn $env] TRUE
# if mkeys is above 1000, need to adjust below for lexical order
set mkeys 1000
puts "\tTest$tnum.d: Add $mkeys pairs to force split."
for {set i $nkeys} { $i < $mkeys } { incr i } {
if { $i >= 100 } {
set ret [$db put -txn $ctxn key0$i $data$i]
} elseif { $i >= 10 } {
set ret [$db put -txn $ctxn key00$i $data$i]
} else {
set ret [$db put -txn $ctxn key000$i $data$i]
}
error_check_good dbput:more $ret 0
}
puts "\tTest$tnum.e: Abort."
error_check_good ctxn_abort [$ctxn abort] 0
puts "\tTest$tnum.f: Check and see that cursors maintained reference."
for {set i 0} { $i < $nkeys } {incr i} {
set ret [$dbc_set($i) get -current]
error_check_bad dbc$i:get:current [llength $ret] 0
set ret2 [$dbc_set($i) get -set $key_set($i)]
error_check_bad dbc$i:get:set [llength $ret2] 0
error_check_good dbc$i:get(match) $ret $ret2
}
# Put (and this time keep) the keys that caused the split.
# We'll delete them to test reverse splits.
puts "\tTest$tnum.g: Put back added keys."
for {set i $nkeys} { $i < $mkeys } { incr i } {
if { $i >= 100 } {
set ret [$db put -txn $txn key0$i $data$i]
} elseif { $i >= 10 } {
set ret [$db put -txn $txn key00$i $data$i]
} else {
set ret [$db put -txn $txn key000$i $data$i]
}
error_check_good dbput:more $ret 0
}
puts "\tTest$tnum.h: Delete added keys to force reverse split."
set ctxn [$env txn -parent $txn]
error_check_good ctxn [is_valid_txn $txn $env] TRUE
for {set i $nkeys} { $i < $mkeys } { incr i } {
if { $i >= 100 } {
error_check_good db_del:$i [$db del -txn $ctxn key0$i] 0
} elseif { $i >= 10 } {
error_check_good db_del:$i \
[$db del -txn $ctxn key00$i] 0
} else {
error_check_good db_del:$i \
[$db del -txn $ctxn key000$i] 0
}
}
puts "\tTest$tnum.i: Abort."
error_check_good ctxn_abort [$ctxn abort] 0
puts "\tTest$tnum.j: Verify cursor reference."
for {set i 0} { $i < $nkeys } {incr i} {
set ret [$dbc_set($i) get -current]
error_check_bad dbc$i:get:current [llength $ret] 0
set ret2 [$dbc_set($i) get -set $key_set($i)]
error_check_bad dbc$i:get:set [llength $ret2] 0
error_check_good dbc$i:get(match) $ret $ret2
}
puts "\tTest$tnum.j: Cleanup."
# close cursors
for {set i 0} { $i < $nkeys } {incr i} {
error_check_good dbc_close:$i [$dbc_set($i) close] 0
}
error_check_good commit [$txn commit] 0
error_check_good dbclose [$db close] 0
error_check_good envclose [$env close] 0
puts "\tTest$tnum complete."
}
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