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114 lines
3.5 KiB
Tcl
114 lines
3.5 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1999, 2000
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# Sleepycat Software. All rights reserved.
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#
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# $Id: test067.tcl,v 11.12 2000/08/25 14:21:58 sue Exp $
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#
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# DB Test 67: Test of DB_CURRENT partial puts on almost-empty duplicate pages.
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# This test was written to address the following issue, #2 in the list of
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# issues relating to bug #0820:
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# 2. DBcursor->put, DB_CURRENT flag, off-page duplicates, hash and btree:
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# In Btree, the DB_CURRENT overwrite of off-page duplicate records
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# first deletes the record and then puts the new one -- this could
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# be a problem if the removal of the record causes a reverse split.
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# Suggested solution is to acquire a cursor to lock down the current
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# record, put a new record after that record, and then delete using
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# the held cursor.
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# It also tests the following, #5 in the same list of issues:
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# 5. DBcursor->put, DB_AFTER/DB_BEFORE/DB_CURRENT flags, DB_DBT_PARTIAL set,
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# duplicate comparison routine specified.
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# The partial change does not change how data items sort, but the
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# record to be put isn't built yet, and that record supplied is the
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# one that's checked for ordering compatibility.
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proc test067 { method {ndups 1000} {tnum 67} args } {
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source ./include.tcl
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global alphabet
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global errorCode
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set args [convert_args $method $args]
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set omethod [convert_method $method]
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set eindex [lsearch -exact $args "-env"]
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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 $testdir/test0$tnum.db
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set env NULL
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} else {
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set testfile test0$tnum.db
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incr eindex
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set env [lindex $args $eindex]
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}
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puts "Test0$tnum:\
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$method ($args) Partial puts on near-empty duplicate pages."
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if { [is_record_based $method] == 1 || [is_rbtree $method] == 1 } {
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puts "\tTest0$tnum: skipping for method $method."
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return
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}
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foreach dupopt { "-dup" "-dup -dupsort" } {
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cleanup $testdir $env
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set db [eval {berkdb_open -create -truncate -mode 0644 \
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$omethod} $args $dupopt {$testfile}]
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error_check_good db_open [is_valid_db $db] TRUE
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puts "\tTest0$tnum.a ($dupopt): Put $ndups duplicates."
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set key "key_test$tnum"
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for { set ndx 0 } { $ndx < $ndups } { incr ndx } {
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set data $alphabet$ndx
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# No need for pad_data since we're skipping recno.
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set ret [eval {$db put} $key $data]
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error_check_good put($key,$data) $ret 0
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}
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# Sync so we can inspect database if the next section bombs.
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error_check_good db_sync [$db sync] 0
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puts "\tTest0$tnum.b ($dupopt):\
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Deleting dups (last first), overwriting each."
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set dbc [$db cursor]
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error_check_good cursor_create [is_valid_cursor $dbc $db] TRUE
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set count 0
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while { $count < $ndups - 1 } {
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# set cursor to last item in db
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set ret [$dbc get -last]
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error_check_good \
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verify_key [lindex [lindex $ret 0] 0] $key
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# for error reporting
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set currdatum [lindex [lindex $ret 0] 1]
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# partial-overwrite it
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# (overwrite offsets 1-4 with "bcde"--which they
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# already are)
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# Even though we expect success, we catch this
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# since it might return EINVAL, and we want that
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# to FAIL.
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set errorCode NONE
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set ret [catch {eval $dbc put -current \
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{-partial [list 1 4]} "bcde"} \
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res]
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error_check_good \
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partial_put_valid($currdatum) $errorCode NONE
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error_check_good partial_put($currdatum) $res 0
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# delete it
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error_check_good dbc_del [$dbc del] 0
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#puts $currdatum
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incr count
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}
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error_check_good dbc_close [$dbc close] 0
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error_check_good db_close [$db close] 0
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}
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}
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