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241 lines
7.5 KiB
Tcl
241 lines
7.5 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1996-2002
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# Sleepycat Software. All rights reserved.
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#
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# $Id: test092.tcl,v 11.13 2002/02/22 15:26:28 sandstro Exp $
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#
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# TEST test092
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# TEST Test of DB_DIRTY_READ [#3395]
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# TEST
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# TEST We set up a database with nentries in it. We then open the
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# TEST database read-only twice. One with dirty read and one without.
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# TEST We open the database for writing and update some entries in it.
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# TEST Then read those new entries via db->get (clean and dirty), and
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# TEST via cursors (clean and dirty).
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proc test092 { method {nentries 1000} args } {
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source ./include.tcl
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#
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# If we are using an env, then skip this test. It needs its own.
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set eindex [lsearch -exact $args "-env"]
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if { $eindex != -1 } {
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incr eindex
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set env [lindex $args $eindex]
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puts "Test092 skipping for env $env"
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return
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}
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set args [convert_args $method $args]
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set encargs ""
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set args [split_encargs $args encargs]
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set omethod [convert_method $method]
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puts "Test092: Dirty Read Test $method $nentries"
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# Create the database and open the dictionary
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set testfile test092.db
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set t1 $testdir/t1
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set t2 $testdir/t2
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set t3 $testdir/t3
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env_cleanup $testdir
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set lmax [expr $nentries * 2]
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set lomax [expr $nentries * 2]
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set env [eval {berkdb_env -create -txn} $encargs -home $testdir \
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-lock_max_locks $lmax -lock_max_objects $lomax]
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error_check_good dbenv [is_valid_env $env] TRUE
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set db [eval {berkdb_open -env $env -create \
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-mode 0644 $omethod} $args {$testfile}]
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error_check_good dbopen [is_valid_db $db] TRUE
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# Here is the loop where we put each key/data pair.
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# Key is entry, data is entry also.
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puts "\tTest092.a: put loop"
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set count 0
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set did [open $dict]
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while { [gets $did str] != -1 && $count < $nentries } {
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if { [is_record_based $method] == 1 } {
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global kvals
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set key [expr $count + 1]
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set kvals($key) [pad_data $method $str]
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} else {
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set key $str
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}
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set ret [eval {$db put} {$key [chop_data $method $str]}]
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error_check_good put:$db $ret 0
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incr count
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}
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close $did
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error_check_good close:$db [$db close] 0
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puts "\tTest092.b: Opening all the handles"
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#
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# Open all of our handles.
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# We need:
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# 1. Our main txn (t).
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# 2. A txn that can read dirty data (tdr).
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# 3. A db handle for writing via txn (dbtxn).
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# 4. A db handle for clean data (dbcl).
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# 5. A db handle for dirty data (dbdr).
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# 6. A cursor handle for dirty txn data (clean db handle using
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# the dirty txn handle on the cursor call) (dbccl1).
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# 7. A cursor handle for dirty data (dirty on get call) (dbcdr0).
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# 8. A cursor handle for dirty data (dirty on cursor call) (dbcdr1).
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set t [$env txn]
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error_check_good txnbegin [is_valid_txn $t $env] TRUE
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set tdr [$env txn -dirty]
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error_check_good txnbegin:dr [is_valid_txn $tdr $env] TRUE
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set dbtxn [eval {berkdb_open -auto_commit -env $env -dirty \
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-mode 0644 $omethod} {$testfile}]
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error_check_good dbopen:dbtxn [is_valid_db $dbtxn] TRUE
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set dbcl [eval {berkdb_open -auto_commit -env $env \
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-rdonly -mode 0644 $omethod} {$testfile}]
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error_check_good dbopen:dbcl [is_valid_db $dbcl] TRUE
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set dbdr [eval {berkdb_open -auto_commit -env $env -dirty \
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-rdonly -mode 0644 $omethod} {$testfile}]
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error_check_good dbopen:dbdr [is_valid_db $dbdr] TRUE
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set dbccl [$dbcl cursor -txn $tdr]
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error_check_good dbcurs:dbcl [is_valid_cursor $dbccl $dbcl] TRUE
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set dbcdr0 [$dbdr cursor]
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error_check_good dbcurs:dbdr0 [is_valid_cursor $dbcdr0 $dbdr] TRUE
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set dbcdr1 [$dbdr cursor -dirty]
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error_check_good dbcurs:dbdr1 [is_valid_cursor $dbcdr1 $dbdr] TRUE
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#
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# Now that we have all of our handles, change all the data in there
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# to be the key and data the same, but data is capitalized.
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puts "\tTest092.c: put/get data within a txn"
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set gflags ""
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if { [is_record_based $method] == 1 } {
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set checkfunc test092dr_recno.check
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append gflags " -recno"
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} else {
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set checkfunc test092dr.check
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}
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set count 0
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set did [open $dict]
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while { [gets $did str] != -1 && $count < $nentries } {
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if { [is_record_based $method] == 1 } {
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set key [expr $count + 1]
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} else {
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set key $str
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}
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set ustr [string toupper $str]
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set clret [list [list $key [pad_data $method $str]]]
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set drret [list [list $key [pad_data $method $ustr]]]
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#
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# Put the data in the txn.
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#
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set ret [eval {$dbtxn put} -txn $t \
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{$key [chop_data $method $ustr]}]
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error_check_good put:$dbtxn $ret 0
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#
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# Now get the data using the different db handles and
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# make sure it is dirty or clean data.
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#
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# Using the dirty txn should show us dirty data
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set ret [eval {$dbcl get -txn $tdr} $gflags {$key}]
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error_check_good dbdr2:get $ret $drret
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set ret [eval {$dbdr get -dirty} $gflags {$key}]
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error_check_good dbdr1:get $ret $drret
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set ret [eval {$dbdr get -txn $tdr} $gflags {$key}]
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error_check_good dbdr2:get $ret $drret
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incr count
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}
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close $did
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puts "\tTest092.d: Check dirty data using dirty txn and clean db/cursor"
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dump_file_walk $dbccl $t1 $checkfunc "-first" "-next"
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puts "\tTest092.e: Check dirty data using -dirty cget flag"
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dump_file_walk $dbcdr0 $t2 $checkfunc "-first" "-next" "-dirty"
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puts "\tTest092.f: Check dirty data using -dirty cursor"
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dump_file_walk $dbcdr1 $t3 $checkfunc "-first" "-next"
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#
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# We must close these before aborting the real txn
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# because they all hold read locks on the pages.
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#
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error_check_good dbccl:close [$dbccl close] 0
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error_check_good dbcdr0:close [$dbcdr0 close] 0
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error_check_good dbcdr1:close [$dbcdr1 close] 0
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#
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# Now abort the modifying transaction and rerun the data checks.
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#
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puts "\tTest092.g: Aborting the write-txn"
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error_check_good txnabort [$t abort] 0
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set dbccl [$dbcl cursor -txn $tdr]
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error_check_good dbcurs:dbcl [is_valid_cursor $dbccl $dbcl] TRUE
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set dbcdr0 [$dbdr cursor]
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error_check_good dbcurs:dbdr0 [is_valid_cursor $dbcdr0 $dbdr] TRUE
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set dbcdr1 [$dbdr cursor -dirty]
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error_check_good dbcurs:dbdr1 [is_valid_cursor $dbcdr1 $dbdr] TRUE
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if { [is_record_based $method] == 1 } {
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set checkfunc test092cl_recno.check
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} else {
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set checkfunc test092cl.check
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}
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puts "\tTest092.h: Check clean data using -dirty cget flag"
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dump_file_walk $dbccl $t1 $checkfunc "-first" "-next"
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puts "\tTest092.i: Check clean data using -dirty cget flag"
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dump_file_walk $dbcdr0 $t2 $checkfunc "-first" "-next" "-dirty"
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puts "\tTest092.j: Check clean data using -dirty cursor"
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dump_file_walk $dbcdr1 $t3 $checkfunc "-first" "-next"
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# Clean up our handles
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error_check_good dbccl:close [$dbccl close] 0
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error_check_good tdrcommit [$tdr commit] 0
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error_check_good dbcdr0:close [$dbcdr0 close] 0
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error_check_good dbcdr1:close [$dbcdr1 close] 0
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error_check_good dbclose [$dbcl close] 0
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error_check_good dbclose [$dbdr close] 0
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error_check_good dbclose [$dbtxn close] 0
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error_check_good envclose [$env close] 0
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}
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# Check functions for test092; keys and data are identical
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# Clean checks mean keys and data are identical.
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# Dirty checks mean data are uppercase versions of keys.
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proc test092cl.check { key data } {
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error_check_good "key/data mismatch" $key $data
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}
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proc test092cl_recno.check { key data } {
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global kvals
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error_check_good key"$key"_exists [info exists kvals($key)] 1
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error_check_good "key/data mismatch, key $key" $data $kvals($key)
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}
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proc test092dr.check { key data } {
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error_check_good "key/data mismatch" $key [string tolower $data]
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}
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proc test092dr_recno.check { key data } {
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global kvals
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error_check_good key"$key"_exists [info exists kvals($key)] 1
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error_check_good "key/data mismatch, key $key" $data \
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[string toupper $kvals($key)]
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}
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