my $track_rs = $schema->resultset ('Track')->search (
{ 'me.cd' => { -in => [ $cd_rs->get_column ('cdid')->all ] } },
{
- # the select/as is deliberately silly to test both funcs and refs below
select => [
'me.cd',
{ count => 'me.trackid' },
# Test sql by hand, as the sqlite db will simply paper over
# improper group/select combinations
#
- # the exploded IN needs fixing below, coming in another branch
- #
is_same_sql_bind (
$track_rs->count_rs->as_query,
'(
# test a has_many/might_have prefetch at the same level
# Note that one of the CDs now has 4 tracks instead of 3
{
- my $most_tracks_rs = $cd_rs->search ({}, {
- prefetch => 'liner_notes', # tracks are alredy prefetched
- select => ['me.cdid', { count => 'tracks.trackid' } ],
- as => [qw/cdid track_count/],
- group_by => 'me.cdid',
- order_by => { -desc => 'track_count' },
- rows => 2,
- });
+ my $most_tracks_rs = $schema->resultset ('CD')->search (
+ {
+ 'me.cdid' => { '!=' => undef }, # duh - this is just to test WHERE
+ },
+ {
+ prefetch => [qw/tracks liner_notes/],
+ select => ['me.cdid', { count => 'tracks.trackid' } ],
+ as => [qw/cdid track_count/],
+ group_by => 'me.cdid',
+ order_by => { -desc => 'track_count' },
+ rows => 2,
+ }
+ );
is_same_sql_bind (
$most_tracks_rs->count_rs->as_query,
FROM cd me
LEFT JOIN track tracks ON tracks.cd = me.cdid
LEFT JOIN liner_notes liner_notes ON liner_notes.liner_id = me.cdid
- WHERE ( tracks.cd IS NOT NULL )
+ WHERE ( me.cdid IS NOT NULL )
GROUP BY me.cdid
LIMIT 2
) count_subq
SELECT me.cdid, COUNT( tracks.trackid ) AS track_count
FROM cd me
LEFT JOIN track tracks ON tracks.cd = me.cdid
- WHERE ( tracks.cd IS NOT NULL )
+ WHERE ( me.cdid IS NOT NULL )
GROUP BY me.cdid
ORDER BY track_count DESC
LIMIT 2
) me
LEFT JOIN track tracks ON tracks.cd = me.cdid
LEFT JOIN liner_notes liner_notes ON liner_notes.liner_id = me.cdid
- WHERE ( tracks.cd IS NOT NULL )
+ WHERE ( me.cdid IS NOT NULL )
ORDER BY track_count DESC, tracks.cd
)',
[],