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Diffstat (limited to 'storage/bdb/test/test048.tcl')
| -rw-r--r-- | storage/bdb/test/test048.tcl | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/storage/bdb/test/test048.tcl b/storage/bdb/test/test048.tcl new file mode 100644 index 00000000000..2131f6f553c --- /dev/null +++ b/storage/bdb/test/test048.tcl @@ -0,0 +1,170 @@ +# See the file LICENSE for redistribution information. +# +# Copyright (c) 1999-2002 +# Sleepycat Software. All rights reserved. +# +# $Id: test048.tcl,v 11.18 2002/07/29 20:27:49 sandstro Exp $ +# +# TEST test048 +# TEST Cursor stability across Btree splits. +proc test048 { method args } { + global errorCode + source ./include.tcl + + set tstn 048 + set args [convert_args $method $args] + + 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 txnenv 0 + 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 txnenv [is_txnenv $env] + if { $txnenv == 1 } { + append args " -auto_commit " + } + set testdir [get_home $env] + } + set t1 $testdir/t1 + cleanup $testdir $env + + set oflags "-create -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 } { + if { $txnenv == 1 } { + set t [$env txn] + error_check_good txn [is_valid_txn $t $env] TRUE + set txn "-txn $t" + } + set ret [eval {$db put} $txn {key000$i $data$i}] + error_check_good dbput $ret 0 + if { $txnenv == 1 } { + error_check_good txn [$t commit] 0 + } + } + + # get db ordering, set cursors + puts "\tTest$tstn.c: Set cursors on each of $nkeys pairs." + if { $txnenv == 1 } { + set t [$env txn] + error_check_good txn [is_valid_txn $t $env] TRUE + set txn "-txn $t" + } + for {set i 0; set ret [$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 $ret 0] 1] + set dbc [eval {$db cursor} $txn] + set dbc_set($i) $dbc + error_check_good db_cursor:$i \ + [is_valid_cursor $dbc_set($i) $db] TRUE + set ret [$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 { $i >= 100 } { + set ret [eval {$db put} $txn {key0$i $data$i}] + } elseif { $i >= 10 } { + set ret [eval {$db put} $txn {key00$i $data$i}] + } else { + set ret [eval {$db put} $txn {key000$i $data$i}] + } + error_check_good dbput:more $ret 0 + } + + puts "\tTest$tstn.e: Make sure split happened." + # XXX We cannot call stat with active txns or we deadlock. + if { $txnenv != 1 } { + error_check_bad stat:check-split [is_substr [$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 \ + [eval {$db del} $txn {key0$i}] 0 + } elseif { $i >= 10 } { + error_check_good db_del:$i \ + [eval {$db del} $txn {key00$i}] 0 + } else { + error_check_good db_del:$i \ + [eval {$db del} $txn {key000$i}] 0 + } + } + + puts "\tTest$tstn.h: 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.i: Cleanup." + # close cursors + for {set i 0} { $i < $nkeys } {incr i} { + error_check_good dbc_close:$i [$dbc_set($i) close] 0 + } + if { $txnenv == 1 } { + error_check_good txn [$t commit] 0 + } + puts "\tTest$tstn.j: Verify reverse split." + error_check_good stat:check-reverse_split [is_substr [$db stat] \ + "{{Internal pages} 0}"] 1 + + error_check_good dbclose [$db close] 0 + + puts "\tTest$tstn complete." +} |