Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
Zachary Ware
170
test/test048.tcl
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170
test/test048.tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1999,2008 Oracle. All rights reserved.
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#
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# $Id: test048.tcl,v 12.6 2008/01/08 20:58:53 bostic Exp $
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#
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# TEST test048
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# TEST Cursor stability across Btree splits.
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proc test048 { method args } {
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global errorCode
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global is_je_test
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source ./include.tcl
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set tnum 048
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set args [convert_args $method $args]
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if { [is_btree $method] != 1 } {
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puts "Test$tnum skipping for method $method."
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return
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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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incr pgindex
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if { [lindex $args $pgindex] > 8192 } {
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puts "Test048: Skipping for large pagesizes"
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return
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}
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}
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set method "-btree"
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puts "\tTest$tnum: Test of cursor stability across btree splits."
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set key "key"
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set data "data"
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set txn ""
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set flags ""
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puts "\tTest$tnum.a: Create $method database."
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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 t1 $testdir/t1
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cleanup $testdir $env
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set oflags "-create -mode 0644 $args $method"
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set db [eval {berkdb_open} $oflags $testfile]
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error_check_good dbopen [is_valid_db $db] TRUE
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set nkeys 5
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# Fill page w/ small key/data pairs, keep at leaf
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#
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puts "\tTest$tnum.b: Fill page with $nkeys small key/data pairs."
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for { set i 0 } { $i < $nkeys } { incr i } {
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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 $t"
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}
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set ret [eval {$db put} $txn {key000$i $data$i}]
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error_check_good dbput $ret 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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}
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# get db ordering, set cursors
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puts "\tTest$tnum.c: Set cursors on each of $nkeys pairs."
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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 $t"
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}
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for {set i 0; set ret [$db get key000$i]} {\
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$i < $nkeys && [llength $ret] != 0} {\
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incr i; set ret [$db get key000$i]} {
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set key_set($i) [lindex [lindex $ret 0] 0]
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set data_set($i) [lindex [lindex $ret 0] 1]
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set dbc [eval {$db cursor} $txn]
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set dbc_set($i) $dbc
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error_check_good db_cursor:$i \
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[is_valid_cursor $dbc_set($i) $db] TRUE
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set ret [$dbc_set($i) get -set $key_set($i)]
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error_check_bad dbc_set($i)_get:set [llength $ret] 0
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}
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# if mkeys is above 1000, need to adjust below for lexical order
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set mkeys 1000
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puts "\tTest$tnum.d: Add $mkeys pairs to force split."
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for {set i $nkeys} { $i < $mkeys } { incr i } {
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if { $i >= 100 } {
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set ret [eval {$db put} $txn {key0$i $data$i}]
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} elseif { $i >= 10 } {
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set ret [eval {$db put} $txn {key00$i $data$i}]
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} else {
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set ret [eval {$db put} $txn {key000$i $data$i}]
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}
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error_check_good dbput:more $ret 0
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}
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puts "\tTest$tnum.e: Make sure split happened."
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# XXX We cannot call stat with active txns or we deadlock.
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if { $txnenv != 1 && !$is_je_test } {
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error_check_bad stat:check-split [is_substr [$db stat] \
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"{{Internal pages} 0}"] 1
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}
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puts "\tTest$tnum.f: Check to see that cursors maintained reference."
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for {set i 0} { $i < $nkeys } {incr i} {
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set ret [$dbc_set($i) get -current]
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error_check_bad dbc$i:get:current [llength $ret] 0
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set ret2 [$dbc_set($i) get -set $key_set($i)]
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error_check_bad dbc$i:get:set [llength $ret2] 0
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error_check_good dbc$i:get(match) $ret $ret2
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}
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puts "\tTest$tnum.g: Delete added keys to force reverse split."
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for {set i $nkeys} { $i < $mkeys } { incr i } {
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if { $i >= 100 } {
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error_check_good db_del:$i \
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[eval {$db del} $txn {key0$i}] 0
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} elseif { $i >= 10 } {
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error_check_good db_del:$i \
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[eval {$db del} $txn {key00$i}] 0
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} else {
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error_check_good db_del:$i \
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[eval {$db del} $txn {key000$i}] 0
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}
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}
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puts "\tTest$tnum.h: Verify cursor reference."
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for {set i 0} { $i < $nkeys } {incr i} {
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set ret [$dbc_set($i) get -current]
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error_check_bad dbc$i:get:current [llength $ret] 0
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set ret2 [$dbc_set($i) get -set $key_set($i)]
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error_check_bad dbc$i:get:set [llength $ret2] 0
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error_check_good dbc$i:get(match) $ret $ret2
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}
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puts "\tTest$tnum.i: Cleanup."
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# close cursors
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for {set i 0} { $i < $nkeys } {incr i} {
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error_check_good dbc_close:$i [$dbc_set($i) close] 0
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}
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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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puts "\tTest$tnum.j: Verify reverse split."
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error_check_good stat:check-reverse_split [is_substr [$db stat] \
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"{{Internal pages} 0}"] 1
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error_check_good dbclose [$db close] 0
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puts "\tTest$tnum complete."
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}
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