diff options
Diffstat (limited to 'storage/bdb/test/test056.tcl')
| -rw-r--r-- | storage/bdb/test/test056.tcl | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/storage/bdb/test/test056.tcl b/storage/bdb/test/test056.tcl new file mode 100644 index 00000000000..ef310332ed1 --- /dev/null +++ b/storage/bdb/test/test056.tcl @@ -0,0 +1,169 @@ +# See the file LICENSE for redistribution information. +# +# Copyright (c) 1996-2002 +# Sleepycat Software. All rights reserved. +# +# $Id: test056.tcl,v 11.18 2002/05/22 15:42:55 sue Exp $ +# +# TEST test056 +# TEST Cursor maintenance during deletes. +# TEST Check if deleting a key when a cursor is on a duplicate of that +# TEST key works. +proc test056 { method args } { + global errorInfo + source ./include.tcl + + set args [convert_args $method $args] + set omethod [convert_method $method] + + append args " -create -mode 0644 -dup " + if { [is_record_based $method] == 1 || [is_rbtree $method] } { + puts "Test056: skipping for method $method" + return + } + puts "Test056: $method delete of key in presence of cursor" + + # Create the database and open the dictionary + set txnenv 0 + 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/test056.db + set env NULL + } else { + set testfile test056.db + incr eindex + set env [lindex $args $eindex] + set txnenv [is_txnenv $env] + if { $txnenv == 1 } { + append args " -auto_commit " + } + set testdir [get_home $env] + } + cleanup $testdir $env + + set flags "" + set txn "" + + set db [eval {berkdb_open} $args {$omethod $testfile}] + error_check_good db_open:dup [is_valid_db $db] TRUE + + puts "\tTest056.a: Key delete with cursor on duplicate." + # Put three keys in the database + for { set key 1 } { $key <= 3 } {incr key} { + if { $txnenv == 1 } { + set t [$env txn] + error_check_good txn [is_valid_txn $t $env] TRUE + set txn "-txn $t" + } + set r [eval {$db put} $txn $flags {$key datum$key}] + error_check_good put $r 0 + if { $txnenv == 1 } { + error_check_good txn [$t commit] 0 + } + } + + # Retrieve keys sequentially so we can figure out their order + set i 1 + if { $txnenv == 1 } { + set t [$env txn] + error_check_good txn [is_valid_txn $t $env] TRUE + set txn "-txn $t" + } + set curs [eval {$db cursor} $txn] + error_check_good curs_open:dup [is_valid_cursor $curs $db] TRUE + + for {set d [$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 $r 0 + } + + # Now put the cursor on a duplicate of key 2 + + # Now set the cursor on the first of the duplicate set. + set r [$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) + + # Now do two nexts + 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 $d dup_1 + + set r [$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 $d dup_2 + + # Now do the delete + set r [eval {$db del} $txn $flags {$key_set(2)}] + error_check_good delete $r 0 + + # Now check the get current on the cursor. + set ret [$curs get -current] + error_check_good curs_after_del $ret [list [list [] []]] + + # Now check that the rest of the database looks intact. There + # should be only two keys, 1 and 3. + + set r [$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 $d datum$key_set(1) + + 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(3) + error_check_good curs_get:DB_NEXT:data $d datum$key_set(3) + + set r [$curs get -next] + error_check_good cursor_get:DB_NEXT [llength $r] 0 + + puts "\tTest056.b:\ + Cursor delete of first item, followed by cursor FIRST" + # Set to beginning + set r [$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 $d datum$key_set(1) + + # Now do delete + error_check_good curs_del [$curs del] 0 + + # Now do DB_FIRST + set r [$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(3) + error_check_good curs_get:DB_FIRST:data $d datum$key_set(3) + + error_check_good curs_close [$curs close] 0 + if { $txnenv == 1 } { + error_check_good txn [$t commit] 0 + } + error_check_good db_close [$db close] 0 +} |