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|
use strict;
use warnings;
use Test::More;
use lib qw(t/lib);
use DBICTest ':DiffSQL';
my $schema = DBICTest->init_schema();
# make sure order + distinct do not double-inject group criteria
my $rs = $schema->resultset ('CD')->search ({}, {
distinct => 1,
columns => 'title',
});
# title + cdid == unique constraint
my $unique_rs = $rs->search ({}, {
'+columns' => 'cdid',
});
is_same_sql_bind (
$rs->search({}, { order_by => 'title' })->as_query,
'(
SELECT me.title
FROM cd me
GROUP BY me.title
ORDER BY title
)',
[],
'Correct GROUP BY on selection+order_by on same column',
);
is_same_sql_bind (
$rs->search({}, { order_by => 'year' })->as_query,
'(
SELECT me.title
FROM cd me
GROUP BY me.title
ORDER BY MIN(year)
)',
[],
'Correct GROUP BY on non-unique selection and order by a different column',
);
is_same_sql_bind (
$unique_rs->search({}, { order_by => 'year' })->as_query,
'(
SELECT me.title, me.cdid
FROM cd me
GROUP BY me.title, me.cdid, me.year
ORDER BY year
)',
[],
'Correct GROUP BY on unique selection and order by a different column',
);
is_same_sql_bind (
$rs->search({}, { order_by => 'artist.name', join => 'artist' })->as_query,
'(
SELECT me.title
FROM cd me
JOIN artist artist
ON artist.artistid = me.artist
GROUP BY me.title
ORDER BY MIN(artist.name)
)',
[],
'Correct GROUP BY on non-unique selection and external single order_by',
);
is_same_sql_bind (
$unique_rs->search({}, { order_by => 'artist.name', join => 'artist' })->as_query,
'(
SELECT me.title, me.cdid
FROM cd me
JOIN artist artist
ON artist.artistid = me.artist
GROUP BY me.title, me.cdid, artist.name
ORDER BY artist.name
)',
[],
'Correct GROUP BY on unique selection and external single order_by',
);
is_same_sql_bind (
$rs->search({}, { order_by => 'tracks.title', join => 'tracks' })->as_query,
'(
SELECT me.title
FROM cd me
LEFT JOIN track tracks
ON tracks.cd = me.cdid
GROUP BY me.title
ORDER BY MIN(tracks.title)
)',
[],
'Correct GROUP BY on non-unique selection and external multi order_by',
);
is_same_sql_bind (
$unique_rs->search({}, { order_by => 'tracks.title', join => 'tracks' })->as_query,
'(
SELECT me.title, me.cdid
FROM cd me
LEFT JOIN track tracks
ON tracks.cd = me.cdid
GROUP BY me.title, me.cdid
ORDER BY MIN(tracks.title)
)',
[],
'Correct GROUP BY on unique selection and external multi order_by',
);
done_testing;
|
