test057.tcl
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上传日期:2007-04-14
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- # See the file LICENSE for redistribution information.
- #
- # Copyright (c) 1996, 1997, 1998, 1999, 2000
- # Sleepycat Software. All rights reserved.
- #
- # $Id: test057.tcl,v 11.17 2000/08/25 14:21:57 sue Exp $
- #
- # Test057:
- # Check if we handle the case where we delete a key with the cursor on it
- # and then add the same key. The cursor should not get the new item
- # returned, but the item shouldn't disappear.
- # Run test tests, one where the overwriting put is done with a put and
- # one where it's done with a cursor put.
- proc test057 { method args } {
- global errorInfo
- source ./include.tcl
- set args [convert_args $method $args]
- set omethod [convert_method $method]
- append args " -create -truncate -mode 0644 -dup "
- if { [is_record_based $method] == 1 || [is_rbtree $method] == 1 } {
- puts "Test057: skipping for method $method"
- return
- }
- puts "Test057: $method delete and replace in presence of cursor."
- # Create the database and open the dictionary
- 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/test057.db
- set env NULL
- } else {
- set testfile test057.db
- incr eindex
- set env [lindex $args $eindex]
- }
- cleanup $testdir $env
- set flags ""
- set txn ""
- set db [eval {berkdb_open} $args {$omethod $testfile}]
- error_check_good dbopen:dup [is_valid_db $db] TRUE
- set curs [eval {$db cursor} $txn]
- error_check_good curs_open:dup [is_substr $curs $db] 1
- puts "tTest057.a: Set cursor, delete cursor, put with key."
- # Put three keys in the database
- for { set key 1 } { $key <= 3 } {incr key} {
- set r [eval {$db put} $txn $flags {$key datum$key}]
- error_check_good put $r 0
- }
- # Retrieve keys sequentially so we can figure out their order
- set i 1
- for {set d [$curs get -first] } {[llength $d] != 0 } {
- set d [$curs get -next] } {
- set key_set($i) [lindex [lindex $d 0] 0]
- incr i
- }
- # Now put in a bunch of duplicates for key 2
- for { set d 1 } { $d <= 5 } {incr d} {
- set r [eval {$db put} $txn $flags {$key_set(2) dup_$d}]
- error_check_good dup:put $r 0
- }
- # Now put the cursor on key 1
- # Now set the cursor on the first of the duplicate set.
- set r [$curs get -set $key_set(1)]
- 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(1)
- error_check_good curs_get:DB_SET:data $d datum$key_set(1)
- # Now do the delete
- set r [$curs del]
- error_check_good delete $r 0
- # Now check the get current on the cursor.
- error_check_good curs_get:del [$curs get -current] [list [list [] []]]
- # Now do a put on the key
- set r [eval {$db put} $txn $flags {$key_set(1) new_datum$key_set(1)}]
- error_check_good put $r 0
- # Do a get
- set r [eval {$db get} $txn {$key_set(1)}]
- error_check_good get [lindex [lindex $r 0] 1] new_datum$key_set(1)
- # Recheck cursor
- error_check_good curs_get:deleted [$curs get -current] [list [list [] []]]
- # Move cursor and see if we get the key.
- set r [$curs get -first]
- error_check_bad cursor_get:DB_FIRST [llength $r] 0
- set k [lindex [lindex $r 0] 0]
- set d [lindex [lindex $r 0] 1]
- error_check_good curs_get:DB_FIRST:key $k $key_set(1)
- error_check_good curs_get:DB_FIRST:data $d new_datum$key_set(1)
- puts "tTest057.b: Set two cursor on a key, delete one, overwrite other"
- set curs2 [eval {$db cursor} $txn]
- error_check_good curs2_open [is_substr $curs2 $db] 1
- # Set both cursors on the 4rd key
- set r [$curs 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 -set $key_set(3)]
- error_check_bad cursor2_get:DB_SET [llength $r] 0
- set k [lindex [lindex $r 0] 0]
- set d [lindex [lindex $r 0] 1]
- error_check_good curs2_get:DB_SET:key $k $key_set(3)
- error_check_good curs2_get:DB_SET:data $d datum$key_set(3)
- # Now delete through cursor 1
- error_check_good curs1_del [$curs del] 0
- # Verify gets on both 1 and 2
- error_check_good curs_get:deleted [$curs get -current]
- [list [list [] []]]
- error_check_good curs_get:deleted [$curs2 get -current]
- [list [list [] []]]
- # Now do a replace through cursor 2
- set pflags "-current"
- if {[is_hash $method] == 1} {
- error_check_good curs1_get_after_del [is_substr
- [$curs2 put $pflags new_datum$key_set(3)] "DB_NOTFOUND"] 1
- # Gets fail
- error_check_good curs1_get:deleted
- [$curs get -current]
- [list [list [] []]]
- error_check_good curs2_get:deleted
- [$curs get -current]
- [list [list [] []]]
- } else {
- # btree only, recno is skipped this test
- set ret [$curs2 put $pflags new_datum$key_set(3)]
- error_check_good curs_replace $ret 0
- }
- # Gets fail
- #error_check_good curs1_get:deleted [catch {$curs get -current} r] 1
- #error_check_good curs1_get_after_del
- [is_substr $errorInfo "DB_KEYEMPTY"] 1
- #error_check_good curs2_get:deleted [catch {$curs2 get -current} r] 1
- #error_check_good curs2_get_after_del
- [is_substr $errorInfo "DB_KEYEMPTY"] 1
- puts "tTest057.c:
- Set two cursors on a dup, delete one, overwrite other"
- # Set both cursors on the 2nd duplicate of key 2
- set r [$curs get -set $key_set(2)]
- 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(2)
- error_check_good curs_get:DB_SET:data $d datum$key_set(2)
- 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 $d dup_1
- set r [$curs2 get -set $key_set(2)]
- error_check_bad cursor2_get:DB_SET [llength $r] 0
- set k [lindex [lindex $r 0] 0]
- set d [lindex [lindex $r 0] 1]
- error_check_good curs2_get:DB_SET:key $k $key_set(2)
- error_check_good curs2_get:DB_SET:data $d datum$key_set(2)
- set r [$curs2 get -next]
- error_check_bad cursor2_get:DB_NEXT [llength $r] 0
- set k [lindex [lindex $r 0] 0]
- set d [lindex [lindex $r 0] 1]
- error_check_good curs2_get:DB_NEXT:key $k $key_set(2)
- error_check_good curs2_get:DB_NEXT:data $d dup_1
- # Now delete through cursor 1
- error_check_good curs1_del [$curs del] 0
- # Verify gets on both 1 and 2
- error_check_good curs_get:deleted [$curs get -current]
- [list [list [] []]]
- error_check_good curs_get:deleted [$curs2 get -current]
- [list [list [] []]]
- # Now do a replace through cursor 2 -- this will work on btree but
- # not on hash
- if {[is_hash $method] == 1} {
- error_check_good hash_replace
- [is_substr [$curs2 put -current new_dup_1] "DB_NOTFOUND"] 1
- } else {
- error_check_good curs_replace [$curs2 put -current new_dup_1] 0
- }
- # Both gets should fail
- #error_check_good curs1_get:deleted [catch {$curs get -current} r] 1
- #error_check_good curs1_get_after_del
- [is_substr $errorInfo "DB_KEYEMPTY"] 1
- #error_check_good curs2_get:deleted [catch {$curs2 get -current} r] 1
- #error_check_good curs2_get_after_del
- [is_substr $errorInfo "DB_KEYEMPTY"] 1
- error_check_good curs2_close [$curs2 close] 0
- error_check_good curs_close [$curs close] 0
- error_check_good db_close [$db close] 0
- }