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|
#!./perl -w
# ID: %I%, %G%
use strict ;
BEGIN {
unless(grep /blib/, @INC) {
chdir 't' if -d 't';
@INC = '../lib' if -d '../lib';
}
}
use BerkeleyDB;
use File::Path qw(rmtree);
if ($BerkeleyDB::db_ver < 2.005002)
{
print "1..0 # Skip: join needs Berkeley DB 2.5.2 or later\n" ;
exit 0 ;
}
print "1..37\n";
{
package LexFile ;
sub new
{
my $self = shift ;
unlink @_ ;
bless [ @_ ], $self ;
}
sub DESTROY
{
my $self = shift ;
unlink @{ $self } ;
}
}
sub ok
{
my $no = shift ;
my $result = shift ;
print "not " unless $result ;
print "ok $no\n" ;
}
my $Dfile1 = "dbhash1.tmp";
my $Dfile2 = "dbhash2.tmp";
my $Dfile3 = "dbhash3.tmp";
unlink $Dfile1, $Dfile2, $Dfile3 ;
umask(0) ;
sub addData
{
my $db = shift ;
my @data = @_ ;
die "addData odd data\n" unless @data /2 != 0 ;
my ($k, $v) ;
my $ret = 0 ;
while (@data) {
$k = shift @data ;
$v = shift @data ;
$ret += $db->db_put($k, $v) ;
}
return ($ret == 0) ;
}
{
# error cases
my $lex = new LexFile $Dfile1, $Dfile2, $Dfile3 ;
my %hash1 ;
my $value ;
my $status ;
my $cursor ;
ok 1, my $db1 = tie %hash1, 'BerkeleyDB::Hash',
-Filename => $Dfile1,
-Flags => DB_CREATE,
-DupCompare => sub { $_[0] lt $_[1] },
-Property => DB_DUP|DB_DUPSORT ;
# no cursors supplied
eval '$cursor = $db1->db_join() ;' ;
ok 2, $@ =~ /Usage: \$db->BerkeleyDB::Common::db_join\Q([cursors], flags=0)/;
# empty list
eval '$cursor = $db1->db_join([]) ;' ;
ok 3, $@ =~ /db_join: No cursors in parameter list/;
# cursor list, isn't a []
eval '$cursor = $db1->db_join({}) ;' ;
ok 4, $@ =~ /cursors is not an array reference at/ ;
eval '$cursor = $db1->db_join(\1) ;' ;
ok 5, $@ =~ /cursors is not an array reference at/ ;
}
{
# test a 2-way & 3-way join
my $lex = new LexFile $Dfile1, $Dfile2, $Dfile3 ;
my %hash1 ;
my %hash2 ;
my %hash3 ;
my $value ;
my $status ;
my $home = "./fred" ;
rmtree $home if -e $home ;
ok 6, mkdir($home, 0777) ;
ok 7, my $env = new BerkeleyDB::Env -Home => $home,
-Flags => DB_CREATE|DB_INIT_TXN
|DB_INIT_MPOOL;
#|DB_INIT_MPOOL| DB_INIT_LOCK;
ok 8, my $txn = $env->txn_begin() ;
ok 9, my $db1 = tie %hash1, 'BerkeleyDB::Hash',
-Filename => $Dfile1,
-Flags => DB_CREATE,
-DupCompare => sub { $_[0] cmp $_[1] },
-Property => DB_DUP|DB_DUPSORT,
-Env => $env,
-Txn => $txn ;
;
ok 10, my $db2 = tie %hash2, 'BerkeleyDB::Hash',
-Filename => $Dfile2,
-Flags => DB_CREATE,
-DupCompare => sub { $_[0] cmp $_[1] },
-Property => DB_DUP|DB_DUPSORT,
-Env => $env,
-Txn => $txn ;
ok 11, my $db3 = tie %hash3, 'BerkeleyDB::Btree',
-Filename => $Dfile3,
-Flags => DB_CREATE,
-DupCompare => sub { $_[0] cmp $_[1] },
-Property => DB_DUP|DB_DUPSORT,
-Env => $env,
-Txn => $txn ;
ok 12, addData($db1, qw( apple Convenience
peach Shopway
pear Farmer
raspberry Shopway
strawberry Shopway
gooseberry Farmer
blueberry Farmer
));
ok 13, addData($db2, qw( red apple
red raspberry
red strawberry
yellow peach
yellow pear
green gooseberry
blue blueberry)) ;
ok 14, addData($db3, qw( expensive apple
reasonable raspberry
expensive strawberry
reasonable peach
reasonable pear
expensive gooseberry
reasonable blueberry)) ;
ok 15, my $cursor2 = $db2->db_cursor() ;
my $k = "red" ;
my $v = "" ;
ok 16, $cursor2->c_get($k, $v, DB_SET) == 0 ;
# Two way Join
ok 17, my $cursor1 = $db1->db_join([$cursor2]) ;
my %expected = qw( apple Convenience
raspberry Shopway
strawberry Shopway
) ;
# sequence forwards
while ($cursor1->c_get($k, $v) == 0) {
delete $expected{$k}
if defined $expected{$k} && $expected{$k} eq $v ;
#print "[$k] [$v]\n" ;
}
ok 18, keys %expected == 0 ;
ok 19, $cursor1->status() == DB_NOTFOUND ;
# Three way Join
ok 20, $cursor2 = $db2->db_cursor() ;
$k = "red" ;
$v = "" ;
ok 21, $cursor2->c_get($k, $v, DB_SET) == 0 ;
ok 22, my $cursor3 = $db3->db_cursor() ;
$k = "expensive" ;
$v = "" ;
ok 23, $cursor3->c_get($k, $v, DB_SET) == 0 ;
ok 24, $cursor1 = $db1->db_join([$cursor2, $cursor3]) ;
%expected = qw( apple Convenience
strawberry Shopway
) ;
# sequence forwards
while ($cursor1->c_get($k, $v) == 0) {
delete $expected{$k}
if defined $expected{$k} && $expected{$k} eq $v ;
#print "[$k] [$v]\n" ;
}
ok 25, keys %expected == 0 ;
ok 26, $cursor1->status() == DB_NOTFOUND ;
# test DB_JOIN_ITEM
# #################
ok 27, $cursor2 = $db2->db_cursor() ;
$k = "red" ;
$v = "" ;
ok 28, $cursor2->c_get($k, $v, DB_SET) == 0 ;
ok 29, $cursor3 = $db3->db_cursor() ;
$k = "expensive" ;
$v = "" ;
ok 30, $cursor3->c_get($k, $v, DB_SET) == 0 ;
ok 31, $cursor1 = $db1->db_join([$cursor2, $cursor3]) ;
%expected = qw( apple 1
strawberry 1
) ;
# sequence forwards
$k = "" ;
$v = "" ;
while ($cursor1->c_get($k, $v, DB_JOIN_ITEM) == 0) {
delete $expected{$k}
if defined $expected{$k} ;
#print "[$k]\n" ;
}
ok 32, keys %expected == 0 ;
ok 33, $cursor1->status() == DB_NOTFOUND ;
ok 34, $cursor1->c_close() == 0 ;
ok 35, $cursor2->c_close() == 0 ;
ok 36, $cursor3->c_close() == 0 ;
ok 37, ($status = $txn->txn_commit) == 0;
undef $txn ;
#undef $cursor1;
#undef $cursor2;
#undef $cursor3;
undef $db1 ;
undef $db2 ;
undef $db3 ;
undef $env ;
untie %hash1 ;
untie %hash2 ;
untie %hash3 ;
rmtree $home ;
}
|
