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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
+}