- # See the file LICENSE for redistribution information.
- #
- # Copyright (c) 1999, 2000
- # Sleepycat Software. All rights reserved.
- #
- # $Id: test048.tcl,v 11.11 2000/12/11 17:42:18 sue Exp $
- #
- # Test048: Cursor stability across btree splits.
- proc test048 { method args } {
- global errorCode
- source ./include.tcl
- set tstn 048
- if { [is_btree $method] != 1 } {
- puts "Test$tstn skipping for method $method."
- return
- }
- set pgindex [lsearch -exact $args "-pagesize"]
- if { $pgindex != -1 } {
- incr pgindex
- if { [lindex $args $pgindex] > 8192 } {
- puts "Test048: Skipping for large pagesizes"
- return
- }
- }
- set method "-btree"
- puts "tTest$tstn: Test of cursor stability across btree splits."
- set key "key"
- set data "data"
- set txn ""
- set flags ""
- puts "tTest$tstn.a: Create $method database."
- 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 $testdir/test0$tstn.db
- set env NULL
- } else {
- set testfile test0$tstn.db
- incr eindex
- set env [lindex $args $eindex]
- }
- set t1 $testdir/t1
- cleanup $testdir $env
- set oflags "-create -truncate -mode 0644 $args $method"
- set db [eval {berkdb_open} $oflags $testfile]
- error_check_good dbopen [is_valid_db $db] TRUE
- set nkeys 5
- # Fill page w/ small key/data pairs, keep at leaf
- #
- puts "tTest$tstn.b: Fill page with $nkeys small key/data pairs."
- for { set i 0 } { $i < $nkeys } { incr i } {
- set ret [$db put key000$i $data$i]
- error_check_good dbput $ret 0
- }
- # get db ordering, set cursors
- puts "tTest$tstn.c: Set cursors on each of $nkeys pairs."
- for {set i 0; set ret [$db get key000$i]} {
- $i < $nkeys && [llength $ret] != 0} {
- incr i; set ret [$db get key000$i]} {
- set key_set($i) [lindex [lindex $ret 0] 0]
- set data_set($i) [lindex [lindex $ret 0] 1]
- set dbc [$db cursor]
- 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 $ret] 0
- }
- # if mkeys is above 1000, need to adjust below for lexical order
- set mkeys 1000
- puts "tTest$tstn.d: Add $mkeys pairs to force split."
- for {set i $nkeys} { $i < $mkeys } { incr i } {
- if { $i >= 100 } {
- set ret [$db put key0$i $data$i]
- } elseif { $i >= 10 } {
- set ret [$db put key00$i $data$i]
- } else {
- set ret [$db put key000$i $data$i]
- }
- error_check_good dbput:more $ret 0
- }
- puts "tTest$tstn.e: Make sure split happened."
- error_check_bad stat:check-split [is_substr [$db stat]
- "{{Internal pages} 0}"] 1
- puts "tTest$tstn.f: Check to 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 $ret2
- }
- puts "tTest$tstn.g: Delete added keys to force reverse split."
- for {set i $nkeys} { $i < $mkeys } { incr i } {
- if { $i >= 100 } {
- error_check_good db_del:$i [$db del key0$i] 0
- } elseif { $i >= 10 } {
- error_check_good db_del:$i [$db del key00$i] 0
- } else {
- error_check_good db_del:$i [$db del key000$i] 0
- }
- }
- puts "tTest$tstn.h: Verify reverse split."
- error_check_good stat:check-reverse_split [is_substr [$db stat]
- "{{Internal pages} 0}"] 1
- puts "tTest$tstn.i: 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 $ret2
- }
- puts "tTest$tstn.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 dbclose [$db close] 0
- puts "tTest$tstn complete."
- }