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|
use strict;
use warnings;
use lib "t/lib";
use SQLiteTest;
use Test::More;
use if -d ".git", "Test::FailWarnings";
# Create the table
my $dbh = connect_ok();
ok( $dbh->do(<<'END_SQL'), 'CREATE TABLE' );
create table foo (
id integer primary key not null,
mygroup varchar(255) not null,
mynumber numeric(20,3) not null
)
END_SQL
# Fill the table
my @data = qw{
a -2
a 1
b 2
b 1
c 3
c -1
d 4
d 5
e 6
e 7
};
$dbh->begin_work;
while ( @data ) {
ok $dbh->do(
'insert into foo ( mygroup, mynumber ) values ( ?, ? )', {},
shift(@data), shift(@data),
);
}
$dbh->commit;
# Issue the group/sum/sort/limit query
my $rv = $dbh->selectall_arrayref(<<'END_SQL');
select mygroup, sum(mynumber) as total
from foo
group by mygroup
order by total
limit 3
END_SQL
is_deeply(
$rv,
[
[ 'a', -1 ],
[ 'c', 2 ],
[ 'b', 3 ],
],
'group/sum/sort/limit query ok'
);
done_testing;
|
