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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1999-2002
# Sleepycat Software. All rights reserved.
#
# $Id: test087.tcl,v 1.1.1.1 2003/11/20 22:14:02 toshok Exp $
#
# TEST test087
# TEST Test of cursor stability when converting to and modifying
# TEST off-page duplicate pages with subtransaction aborts. [#2373]
# TEST
# TEST Does the following:
# TEST a. Initialize things by DB->putting ndups dups and
# TEST setting a reference cursor to point to each. Do each put twice,
# TEST first aborting, then committing, so we're sure to abort the move
# TEST to off-page dups at some point.
# TEST b. c_put ndups dups (and correspondingly expanding
# TEST the set of reference cursors) after the last one, making sure
# TEST after each step that all the reference cursors still point to
# TEST the right item.
# TEST c. Ditto, but before the first one.
# TEST d. Ditto, but after each one in sequence first to last.
# TEST e. Ditto, but after each one in sequence from last to first.
# TEST occur relative to the new datum)
# TEST f. Ditto for the two sequence tests, only doing a
# TEST DBC->c_put(DB_CURRENT) of a larger datum instead of adding a
# TEST new one.
proc test087 { method {pagesize 512} {ndups 50} {tnum 87} args } {
source ./include.tcl
global alphabet
set args [convert_args $method $args]
set encargs ""
set args [split_encargs $args encargs]
set omethod [convert_method $method]
puts "Test0$tnum $omethod ($args): "
set eindex [lsearch -exact $args "-env"]
#
# If we are using an env, then return
if { $eindex != -1 } {
puts "Environment specified; skipping."
return
}
set pgindex [lsearch -exact $args "-pagesize"]
if { $pgindex != -1 } {
puts "Test087: skipping for specific pagesizes"
return
}
env_cleanup $testdir
set testfile test0$tnum.db
set key "the key"
append args " -pagesize $pagesize -dup"
if { [is_record_based $method] || [is_rbtree $method] } {
puts "Skipping for method $method."
return
} else {
puts "Cursor stability on dup. pages w/ aborts."
}
set env [eval {berkdb_env -create -home $testdir -txn} $encargs]
error_check_good env_create [is_valid_env $env] TRUE
set db [eval {berkdb_open -auto_commit \
-create -env $env -mode 0644} $omethod $args $testfile]
error_check_good "db open" [is_valid_db $db] TRUE
# Number of outstanding keys.
set keys $ndups
puts "\tTest0$tnum.a: put/abort/put/commit loop;\
$ndups dups, short data."
set txn [$env txn]
error_check_good txn [is_valid_txn $txn $env] TRUE
for { set i 0 } { $i < $ndups } { incr i } {
set datum [makedatum_t73 $i 0]
set ctxn [$env txn -parent $txn]
error_check_good ctxn(abort,$i) [is_valid_txn $ctxn $env] TRUE
error_check_good "db put/abort ($i)" \
[$db put -txn $ctxn $key $datum] 0
error_check_good ctxn_abort($i) [$ctxn abort] 0
verify_t73 is_long dbc [expr $i - 1] $key
set ctxn [$env txn -parent $txn]
error_check_good ctxn(commit,$i) [is_valid_txn $ctxn $env] TRUE
error_check_good "db put/commit ($i)" \
[$db put -txn $ctxn $key $datum] 0
error_check_good ctxn_commit($i) [$ctxn commit] 0
set is_long($i) 0
set dbc($i) [$db cursor -txn $txn]
error_check_good "db cursor ($i)"\
[is_valid_cursor $dbc($i) $db] TRUE
error_check_good "dbc get -get_both ($i)"\
[$dbc($i) get -get_both $key $datum]\
[list [list $key $datum]]
verify_t73 is_long dbc $i $key
}
puts "\tTest0$tnum.b: Cursor put (DB_KEYLAST); $ndups new dups,\
short data."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
for { set i 0 } { $i < $ndups } { incr i } {
# !!! keys contains the number of the next dup
# to be added (since they start from zero)
set datum [makedatum_t73 $keys 0]
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db]\
TRUE
error_check_good "c_put(DB_KEYLAST, $keys)"\
[$curs put -keylast $key $datum] 0
# We can't do a verification while a child txn is active,
# or we'll run into trouble when DEBUG_ROP is enabled.
# If this test has trouble, though, uncommenting this
# might be illuminating--it makes things a bit more rigorous
# and works fine when DEBUG_ROP is not enabled.
# verify_t73 is_long dbc $keys $key
error_check_good curs_close [$curs close] 0
}
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
puts "\tTest0$tnum.c: Cursor put (DB_KEYFIRST); $ndups new dups,\
short data."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
for { set i 0 } { $i < $ndups } { incr i } {
# !!! keys contains the number of the next dup
# to be added (since they start from zero)
set datum [makedatum_t73 $keys 0]
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db]\
TRUE
error_check_good "c_put(DB_KEYFIRST, $keys)"\
[$curs put -keyfirst $key $datum] 0
# verify_t73 is_long dbc $keys $key
error_check_good curs_close [$curs close] 0
}
# verify_t73 is_long dbc $keys $key
# verify_t73 is_long dbc $keys $key
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
puts "\tTest0$tnum.d: Cursor put (DB_AFTER) first to last;\
$keys new dups, short data"
# We want to add a datum after each key from 0 to the current
# value of $keys, which we thus need to save.
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
set keysnow $keys
for { set i 0 } { $i < $keysnow } { incr i } {
set datum [makedatum_t73 $keys 0]
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db]\
TRUE
# Which datum to insert this guy after.
set curdatum [makedatum_t73 $i 0]
error_check_good "c_get(DB_GET_BOTH, $i)"\
[$curs get -get_both $key $curdatum]\
[list [list $key $curdatum]]
error_check_good "c_put(DB_AFTER, $i)"\
[$curs put -after $datum] 0
# verify_t73 is_long dbc $keys $key
error_check_good curs_close [$curs close] 0
}
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
puts "\tTest0$tnum.e: Cursor put (DB_BEFORE) last to first;\
$keys new dups, short data"
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
for { set i [expr $keys - 1] } { $i >= 0 } { incr i -1 } {
set datum [makedatum_t73 $keys 0]
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db]\
TRUE
# Which datum to insert this guy before.
set curdatum [makedatum_t73 $i 0]
error_check_good "c_get(DB_GET_BOTH, $i)"\
[$curs get -get_both $key $curdatum]\
[list [list $key $curdatum]]
error_check_good "c_put(DB_BEFORE, $i)"\
[$curs put -before $datum] 0
# verify_t73 is_long dbc $keys $key
error_check_good curs_close [$curs close] 0
}
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
puts "\tTest0$tnum.f: Cursor put (DB_CURRENT), first to last,\
growing $keys data."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
for { set i 0 } { $i < $keysnow } { incr i } {
set olddatum [makedatum_t73 $i 0]
set newdatum [makedatum_t73 $i 1]
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db]\
TRUE
error_check_good "c_get(DB_GET_BOTH, $i)"\
[$curs get -get_both $key $olddatum]\
[list [list $key $olddatum]]
error_check_good "c_put(DB_CURRENT, $i)"\
[$curs put -current $newdatum] 0
set is_long($i) 1
# verify_t73 is_long dbc $keys $key
error_check_good curs_close [$curs close] 0
}
error_check_good ctxn_abort [$ctxn abort] 0
for { set i 0 } { $i < $keysnow } { incr i } {
set is_long($i) 0
}
verify_t73 is_long dbc $keys $key
# Now delete the first item, abort the deletion, and make sure
# we're still sane.
puts "\tTest0$tnum.g: Cursor delete first item, then abort delete."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db] TRUE
set datum [makedatum_t73 0 0]
error_check_good "c_get(DB_GET_BOTH, 0)"\
[$curs get -get_both $key $datum] [list [list $key $datum]]
error_check_good "c_del(0)" [$curs del] 0
error_check_good curs_close [$curs close] 0
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
# Ditto, for the last item.
puts "\tTest0$tnum.h: Cursor delete last item, then abort delete."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db] TRUE
set datum [makedatum_t73 [expr $keys - 1] 0]
error_check_good "c_get(DB_GET_BOTH, [expr $keys - 1])"\
[$curs get -get_both $key $datum] [list [list $key $datum]]
error_check_good "c_del(0)" [$curs del] 0
error_check_good curs_close [$curs close] 0
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
# Ditto, for all the items.
puts "\tTest0$tnum.i: Cursor delete all items, then abort delete."
set ctxn [$env txn -parent $txn]
error_check_good ctxn($i) [is_valid_txn $ctxn $env] TRUE
set curs [$db cursor -txn $ctxn]
error_check_good "db cursor create" [is_valid_cursor $curs $db] TRUE
set datum [makedatum_t73 0 0]
error_check_good "c_get(DB_GET_BOTH, 0)"\
[$curs get -get_both $key $datum] [list [list $key $datum]]
error_check_good "c_del(0)" [$curs del] 0
for { set i 1 } { $i < $keys } { incr i } {
error_check_good "c_get(DB_NEXT, $i)"\
[$curs get -next] [list [list $key [makedatum_t73 $i 0]]]
error_check_good "c_del($i)" [$curs del] 0
}
error_check_good curs_close [$curs close] 0
error_check_good ctxn_abort [$ctxn abort] 0
verify_t73 is_long dbc $keys $key
# Close cursors.
puts "\tTest0$tnum.j: Closing cursors."
for { set i 0 } { $i < $keys } { incr i } {
error_check_good "dbc close ($i)" [$dbc($i) close] 0
}
error_check_good "db close" [$db close] 0
error_check_good txn_commit [$txn commit] 0
error_check_good "env close" [$env close] 0
}
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