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460 lines
14 KiB
Tcl
460 lines
14 KiB
Tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1996, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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# TEST test054
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# TEST Cursor maintenance during key/data deletion.
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# TEST
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# TEST This test checks for cursor maintenance in the presence of deletes.
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# TEST There are N different scenarios to tests:
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# TEST 1. No duplicates. Cursor A deletes a key, do a GET for the key.
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# TEST 2. No duplicates. Cursor is positioned right before key K, Delete K,
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# TEST do a next on the cursor.
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# TEST 3. No duplicates. Cursor is positioned on key K, do a regular delete
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# TEST of K, do a current get on K.
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# TEST 4. Repeat 3 but do a next instead of current.
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# TEST 5. Duplicates. Cursor A is on the first item of a duplicate set, A
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# TEST does a delete. Then we do a non-cursor get.
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# TEST 6. Duplicates. Cursor A is in a duplicate set and deletes the item.
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# TEST do a delete of the entire Key. Test cursor current.
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# TEST 7. Continue last test and try cursor next.
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# TEST 8. Duplicates. Cursor A is in a duplicate set and deletes the item.
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# TEST Cursor B is in the same duplicate set and deletes a different item.
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# TEST Verify that the cursor is in the right place.
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# TEST 9. Cursors A and B are in the place in the same duplicate set. A
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# TEST deletes its item. Do current on B.
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# TEST 10. Continue 8 and do a next on B.
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proc test054 { method args } {
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global errorInfo
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source ./include.tcl
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set args [convert_args $method $args]
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set omethod [convert_method $method]
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append args " -create -mode 0644"
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puts "Test054 ($method $args):\
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interspersed cursor and normal operations"
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if { [is_record_based $method] == 1 } {
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puts "Test054 skipping for method $method"
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return
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}
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# Find the environment in the argument list, we'll need it
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# later.
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set txnenv 0
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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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}
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# Create the database and open the dictionary
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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/test054-nodup.db
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set env NULL
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} else {
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set testfile test054-nodup.db
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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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cleanup $testdir $env
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set flags ""
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set txn ""
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puts "\tTest054.a: No Duplicate Tests"
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set db [eval {berkdb_open} $args {$omethod $testfile}]
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error_check_good db_open:nodup [is_valid_db $db] TRUE
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# Put three keys in the database
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for { set key 1 } { $key <= 3 } {incr key} {
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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 $t"
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}
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set r [eval {$db put} $txn $flags {$key datum$key}]
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error_check_good put $r 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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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 $t"
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}
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set curs [eval {$db cursor} $txn]
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error_check_good curs_open:nodup [is_valid_cursor $curs $db] TRUE
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# Retrieve keys sequentially so we can figure out their order
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set i 1
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for {set d [$curs get -first] } \
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{[llength $d] != 0 } \
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{set d [$curs get -next] } {
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set key_set($i) [lindex [lindex $d 0] 0]
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incr i
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}
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# Test case #1.
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puts "\tTest054.a1: Delete w/cursor, regular get"
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# Now set the cursor on the middle on.
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set r [$curs get -set $key_set(2)]
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error_check_bad cursor_get:DB_SET [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_SET:key $k $key_set(2)
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error_check_good curs_get:DB_SET:data $d datum$key_set(2)
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# Now do the delete
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set r [$curs del]
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error_check_good curs_del $r 0
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# Now do the get
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set r [eval {$db get} $txn {$key_set(2)}]
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error_check_good get_after_del [llength $r] 0
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# Free up the cursor.
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error_check_good cursor_close [eval {$curs close}] 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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# Test case #2.
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puts "\tTest054.a2: Cursor before K, delete K, cursor next"
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# Replace key 2
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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 $t"
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}
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set r [eval {$db put} $txn {$key_set(2) datum$key_set(2)}]
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error_check_good put $r 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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# Open and position cursor on first item.
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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 $t"
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}
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set curs [eval {$db cursor} $txn]
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error_check_good curs_open:nodup [is_valid_cursor $curs $db] TRUE
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# Retrieve keys sequentially so we can figure out their order
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set i 1
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for {set d [eval {$curs get} -first] } \
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{[llength $d] != 0 } \
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{set d [$curs get -nextdup] } {
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set key_set($i) [lindex [lindex $d 0] 0]
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incr i
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}
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set r [eval {$curs get} -set {$key_set(1)} ]
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error_check_bad cursor_get:DB_SET [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_SET:key $k $key_set(1)
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error_check_good curs_get:DB_SET:data $d datum$key_set(1)
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# Now delete (next item) $key_set(2)
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error_check_good \
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db_del:$key_set(2) [eval {$db del} $txn {$key_set(2)}] 0
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# Now do next on cursor
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set r [$curs get -next]
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error_check_bad cursor_get:DB_NEXT [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_NEXT:key $k $key_set(3)
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error_check_good curs_get:DB_NEXT:data $d datum$key_set(3)
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# Test case #3.
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puts "\tTest054.a3: Cursor on K, delete K, cursor current"
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# delete item 3
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error_check_good \
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db_del:$key_set(3) [eval {$db del} $txn {$key_set(3)}] 0
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# NEEDS TO COME BACK IN, BUG CHECK
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set ret [$curs get -current]
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error_check_good current_after_del $ret ""
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error_check_good cursor_close [$curs close] 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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puts "\tTest054.a4: Cursor on K, delete K, cursor next"
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# Restore keys 2 and 3
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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 $t"
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}
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set r [eval {$db put} $txn {$key_set(2) datum$key_set(2)}]
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error_check_good put $r 0
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set r [eval {$db put} $txn {$key_set(3) datum$key_set(3)}]
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error_check_good put $r 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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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 $t"
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}
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# Create the new cursor and put it on 1
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set curs [eval {$db cursor} $txn]
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error_check_good curs_open:nodup [is_valid_cursor $curs $db] TRUE
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set r [$curs get -set $key_set(1)]
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error_check_bad cursor_get:DB_SET [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_SET:key $k $key_set(1)
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error_check_good curs_get:DB_SET:data $d datum$key_set(1)
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# Delete 2
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error_check_good \
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db_del:$key_set(2) [eval {$db del} $txn {$key_set(2)}] 0
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# Now do next on cursor
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set r [$curs get -next]
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error_check_bad cursor_get:DB_NEXT [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_NEXT:key $k $key_set(3)
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error_check_good curs_get:DB_NEXT:data $d datum$key_set(3)
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# Close cursor
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error_check_good curs_close [$curs close] 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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error_check_good db_close [$db close] 0
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# Now get ready for duplicate tests
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if { [is_rbtree $method] == 1 || [is_compressed $args] == 1 } {
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puts "Test054: skipping remainder of test for method $method."
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return
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}
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puts "\tTest054.b: Duplicate Tests"
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append args " -dup"
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# Open a new database for the dup tests so -truncate is not needed.
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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/test054-dup.db
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set env NULL
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} else {
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set testfile test054-dup.db
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set env [lindex $args $eindex]
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set testdir [get_home $env]
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}
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cleanup $testdir $env
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set flags ""
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set txn ""
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set db [eval {berkdb_open} $args {$omethod $testfile}]
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error_check_good db_open:dup [is_valid_db $db] TRUE
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# Put three keys in the database
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for { set key 1 } { $key <= 3 } {incr key} {
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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 $t"
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}
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set r [eval {$db put} $txn $flags {$key datum$key}]
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error_check_good put $r 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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# Retrieve keys sequentially so we can figure out their order
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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 $t"
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}
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set curs [eval {$db cursor} $txn]
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error_check_good curs_open:dup [is_valid_cursor $curs $db] TRUE
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set i 1
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for {set d [$curs get -first] } \
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{[llength $d] != 0 } \
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{set d [$curs get -nextdup] } {
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set key_set($i) [lindex [lindex $d 0] 0]
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incr i
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}
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# Now put in a bunch of duplicates for key 2
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for { set d 1 } { $d <= 5 } {incr d} {
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set r [eval {$db put} $txn $flags {$key_set(2) dup_$d}]
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error_check_good dup:put $r 0
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}
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# Test case #5.
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puts "\tTest054.b1: Delete dup w/cursor on first item. Get on key."
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# Now set the cursor on the first of the duplicate set.
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set r [eval {$curs get} -set {$key_set(2)}]
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error_check_bad cursor_get:DB_SET [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_SET:key $k $key_set(2)
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error_check_good curs_get:DB_SET:data $d datum$key_set(2)
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# Now do the delete
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set r [$curs del]
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error_check_good curs_del $r 0
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# Now do the get
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set r [eval {$db get} $txn {$key_set(2)}]
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error_check_good get_after_del [lindex [lindex $r 0] 1] dup_1
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# Test case #6.
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puts "\tTest054.b2: Now get the next duplicate from the cursor."
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# Now do next on cursor
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set r [$curs get -nextdup]
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error_check_bad cursor_get:DB_NEXT [llength $r] 0
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set k [lindex [lindex $r 0] 0]
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set d [lindex [lindex $r 0] 1]
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error_check_good curs_get:DB_NEXT:key $k $key_set(2)
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error_check_good curs_get:DB_NEXT:data $d dup_1
|
||
|
|
|
||
|
|
# Test case #3.
|
||
|
|
puts "\tTest054.b3: Two cursors in set; each delete different items"
|
||
|
|
|
||
|
|
# Open a new cursor.
|
||
|
|
set curs2 [eval {$db cursor} $txn]
|
||
|
|
error_check_good curs_open [is_valid_cursor $curs2 $db] TRUE
|
||
|
|
|
||
|
|
# Set on last of duplicate set.
|
||
|
|
set r [$curs2 get -set $key_set(3)]
|
||
|
|
error_check_bad cursor_get:DB_SET [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_SET:key $k $key_set(3)
|
||
|
|
error_check_good curs_get:DB_SET:data $d datum$key_set(3)
|
||
|
|
|
||
|
|
set r [$curs2 get -prev]
|
||
|
|
error_check_bad cursor_get:DB_PREV [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_PREV:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_PREV:data $d dup_5
|
||
|
|
|
||
|
|
# Delete the item at cursor 1 (dup_1)
|
||
|
|
error_check_good curs1_del [$curs del] 0
|
||
|
|
|
||
|
|
# Verify curs1 and curs2
|
||
|
|
# current should fail
|
||
|
|
set ret [$curs get -current]
|
||
|
|
error_check_good curs1_get_after_del $ret ""
|
||
|
|
|
||
|
|
set r [$curs2 get -current]
|
||
|
|
error_check_bad curs2_get [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_CURRENT:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_CURRENT:data $d dup_5
|
||
|
|
|
||
|
|
# Now delete the item at cursor 2 (dup_5)
|
||
|
|
error_check_good curs2_del [$curs2 del] 0
|
||
|
|
|
||
|
|
# Verify curs1 and curs2
|
||
|
|
set ret [$curs get -current]
|
||
|
|
error_check_good curs1_get:del2 $ret ""
|
||
|
|
|
||
|
|
set ret [$curs2 get -current]
|
||
|
|
error_check_good curs2_get:del2 $ret ""
|
||
|
|
|
||
|
|
# Now verify that next and prev work.
|
||
|
|
|
||
|
|
set r [$curs2 get -prev]
|
||
|
|
error_check_bad cursor_get:DB_PREV [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_PREV:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_PREV:data $d dup_4
|
||
|
|
|
||
|
|
set r [$curs get -next]
|
||
|
|
error_check_bad cursor_get:DB_NEXT [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_NEXT:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_NEXT:data $d dup_2
|
||
|
|
|
||
|
|
puts "\tTest054.b4: Two cursors same item, one delete, one get"
|
||
|
|
|
||
|
|
# Move curs2 onto dup_2
|
||
|
|
set r [$curs2 get -prev]
|
||
|
|
error_check_bad cursor_get:DB_PREV [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_PREV:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_PREV:data $d dup_3
|
||
|
|
|
||
|
|
set r [$curs2 get -prev]
|
||
|
|
error_check_bad cursor_get:DB_PREV [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_PREV:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_PREV:data $d dup_2
|
||
|
|
|
||
|
|
# delete on curs 1
|
||
|
|
error_check_good curs1_del [$curs del] 0
|
||
|
|
|
||
|
|
# Verify gets on both 1 and 2
|
||
|
|
set ret [$curs get -current]
|
||
|
|
error_check_good \
|
||
|
|
curs1_get:deleted $ret ""
|
||
|
|
set ret [$curs2 get -current]
|
||
|
|
error_check_good \
|
||
|
|
curs2_get:deleted $ret ""
|
||
|
|
|
||
|
|
puts "\tTest054.b5: Now do a next on both cursors"
|
||
|
|
|
||
|
|
set r [$curs get -next]
|
||
|
|
error_check_bad cursor_get:DB_NEXT [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_NEXT:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_NEXT:data $d dup_3
|
||
|
|
|
||
|
|
set r [$curs2 get -next]
|
||
|
|
error_check_bad cursor_get:DB_NEXT [llength $r] 0
|
||
|
|
set k [lindex [lindex $r 0] 0]
|
||
|
|
set d [lindex [lindex $r 0] 1]
|
||
|
|
error_check_good curs_get:DB_NEXT:key $k $key_set(2)
|
||
|
|
error_check_good curs_get:DB_NEXT:data $d dup_3
|
||
|
|
|
||
|
|
# Close cursor
|
||
|
|
error_check_good curs_close [$curs close] 0
|
||
|
|
error_check_good curs2_close [$curs2 close] 0
|
||
|
|
if { $txnenv == 1 } {
|
||
|
|
error_check_good txn [$t commit] 0
|
||
|
|
}
|
||
|
|
error_check_good db_close [$db close] 0
|
||
|
|
}
|