[dbsrgits/DBIx-Class.git] / t / sqlmaker / limit_dialects / toplimit.t

use strict;
use warnings;

use Test::More;
use lib qw(t/lib);
use DBICTest ':DiffSQL';

my $schema = DBICTest->init_schema;

# Trick the sqlite DB to use Top limit emulation
# We could test all of this via $sq->$op directly,
# but some conditions need a $rsrc
delete $schema->storage->_sql_maker->{_cached_syntax};
$schema->storage->_sql_maker->limit_dialect ('Top');

my $books_45_and_owners = $schema->resultset ('BooksInLibrary')->search ({}, {
  prefetch => 'owner', rows => 2, offset => 3,
  columns => [ grep { $_ ne 'title' } $schema->source('BooksInLibrary')->columns ],
});

for my $null_order (
  undef,
  '',
  {},
  [],
  [{}],
) {
  my $rs = $books_45_and_owners->search ({}, {order_by => $null_order });
  is_same_sql_bind(
      $rs->as_query,
      '(SELECT TOP 2
            me.id, me.source, me.owner, me.price, owner__id, owner__name
          FROM (
            SELECT TOP 5
                me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name
              FROM books me
              JOIN owners owner ON owner.id = me.owner
            WHERE ( source = ? )
            ORDER BY me.id
          ) me
        ORDER BY me.id DESC
       )',
    [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
        => 'Library' ] ],
  );
}

{
my $subq = $schema->resultset('Owners')->search({
   'count.id' => { -ident => 'owner.id' },
}, { alias => 'owner' })->count_rs;

my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
  columns => [
     { owner_name => 'owner.name' },
     { owner_books => $subq->as_query },
  ],
  join => 'owner',
  rows => 2,
  offset => 3,
});

is_same_sql_bind(
  $rs_selectas_rel->as_query,
  '(
    SELECT TOP 2 owner_name, owner_books
      FROM (
            SELECT TOP 5 owner.name AS owner_name,
            ( SELECT COUNT( * )
                FROM owners owner
               WHERE ( count.id = owner.id )
            ) AS owner_books
              FROM books me
              JOIN owners owner ON owner.id = me.owner
             WHERE ( source = ? )
          ORDER BY me.id
      ) me
  ORDER BY me.id DESC
 )',
  [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
    => 'Library' ] ],
  'pagination with subqueries works'
);

}

for my $ord_set (
  {
    order_by => \'title DESC',
    order_inner => 'title DESC',
    order_outer => 'ORDER__BY__001 ASC',
    order_req => 'ORDER__BY__001 DESC',
    exselect_outer => 'ORDER__BY__001',
    exselect_inner => 'title AS ORDER__BY__001',
  },
  {
    order_by => { -asc => 'title'  },
    order_inner => 'title ASC',
    order_outer => 'ORDER__BY__001 DESC',
    order_req => 'ORDER__BY__001 ASC',
    exselect_outer => 'ORDER__BY__001',
    exselect_inner => 'title AS ORDER__BY__001',
  },
  {
    order_by => { -desc => 'title' },
    order_inner => 'title DESC',
    order_outer => 'ORDER__BY__001 ASC',
    order_req => 'ORDER__BY__001 DESC',
    exselect_outer => 'ORDER__BY__001',
    exselect_inner => 'title AS ORDER__BY__001',
  },
  {
    order_by => 'title',
    order_inner => 'title',
    order_outer => 'ORDER__BY__001 DESC',
    order_req => 'ORDER__BY__001',
    exselect_outer => 'ORDER__BY__001',
    exselect_inner => 'title AS ORDER__BY__001',
  },
  {
    order_by => [ qw{ title me.owner}   ],
    order_inner => 'title, me.owner',
    order_outer => 'ORDER__BY__001 DESC, me.owner DESC',
    order_req => 'ORDER__BY__001, me.owner',
    exselect_outer => 'ORDER__BY__001',
    exselect_inner => 'title AS ORDER__BY__001',
  },
  {
    order_by => ['title', { -desc => 'bar' } ],
    order_inner => 'title, bar DESC',
    order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC',
    order_req => 'ORDER__BY__001, ORDER__BY__002 DESC',
    exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
    exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
  },
  {
    order_by => { -asc => [qw{ title bar }] },
    order_inner => 'title ASC, bar ASC',
    order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 DESC',
    order_req => 'ORDER__BY__001 ASC, ORDER__BY__002 ASC',
    exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
    exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
  },
  {
    order_by => [
      'title',
      { -desc => [qw{bar}] },
      { -asc  => [qw{me.owner sensors}]},
    ],
    order_inner => 'title, bar DESC, me.owner ASC, sensors ASC',
    order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC, me.owner DESC, ORDER__BY__003 DESC',
    order_req => 'ORDER__BY__001, ORDER__BY__002 DESC, me.owner ASC, ORDER__BY__003 ASC',
    exselect_outer => 'ORDER__BY__001, ORDER__BY__002, ORDER__BY__003',
    exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002, sensors AS ORDER__BY__003',
  },
) {
  my $o_sel = $ord_set->{exselect_outer}
    ? ', ' . $ord_set->{exselect_outer}
    : ''
  ;
  my $i_sel = $ord_set->{exselect_inner}
    ? ', ' . $ord_set->{exselect_inner}
    : ''
  ;

  is_same_sql_bind(
    $books_45_and_owners->search ({}, {order_by => $ord_set->{order_by}})->as_query,
    "(SELECT me.id, me.source, me.owner, me.price, owner__id, owner__name
        FROM (
          SELECT TOP 2
              me.id, me.source, me.owner, me.price, owner__id, owner__name$o_sel
            FROM (
              SELECT TOP 5
                  me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name$i_sel
                FROM books me
                JOIN owners owner ON owner.id = me.owner
              WHERE ( source = ? )
              ORDER BY $ord_set->{order_inner}
            ) me
          ORDER BY $ord_set->{order_outer}
        ) me
      ORDER BY $ord_set->{order_req}
    )",
    [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
        => 'Library' ] ],
  );
}

# with groupby
is_same_sql_bind (
  $books_45_and_owners->search ({}, { group_by => 'title', order_by => 'title' })->as_query,
  '(SELECT me.id, me.source, me.owner, me.price, owner.id, owner.name
      FROM (
        SELECT me.id, me.source, me.owner, me.price, me.title
          FROM (
            SELECT TOP 2
                me.id, me.source, me.owner, me.price, me.title
              FROM (
                SELECT TOP 5
                    me.id, me.source, me.owner, me.price, me.title
                  FROM books me
                  JOIN owners owner ON owner.id = me.owner
                WHERE ( source = ? )
                GROUP BY title
                ORDER BY title
              ) me
            ORDER BY title DESC
          ) me
        ORDER BY title
      ) me
      JOIN owners owner ON owner.id = me.owner
    WHERE ( source = ? )
    ORDER BY title
  )',
  [ map { [
    { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
      => 'Library' ]
  } (1,2) ],
);

# test deprecated column mixing over join boundaries
my $rs_selectas_top = $schema->resultset ('BooksInLibrary')->search ({}, {
  '+select' => ['owner.name'],
  '+as' => ['owner_name'],
  join => 'owner',
  rows => 1
});

is_same_sql_bind( $rs_selectas_top->search({})->as_query,
                  '(SELECT
                      TOP 1 me.id, me.source, me.owner, me.title, me.price,
                      owner.name
                    FROM books me
                    JOIN owners owner ON owner.id = me.owner
                    WHERE ( source = ? )
                  )',
                  [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
                    => 'Library' ] ],
                );

{
  my $rs = $schema->resultset('Artist')->search({}, {
    columns => 'artistid',
    offset => 1,
    order_by => 'artistid',
  });
  local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";

  like (
    ${$rs->as_query}->[0],
    qr| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table|x,
    'Newlines/spaces preserved in final sql',
  );
}

{
my $subq = $schema->resultset('Owners')->search({
   'books.owner' => { -ident => 'owner.id' },
}, { alias => 'owner', select => ['id'] } )->count_rs;

my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1 } );

is_same_sql_bind(
  $rs_selectas_rel->as_query,
  '(SELECT TOP 1 me.id, me.owner  FROM books me WHERE ( ( (EXISTS (SELECT COUNT( * ) FROM owners owner WHERE ( books.owner = owner.id ))) AND source = ? ) ) )',
  [
    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
  ],
  'Pagination with sub-query in WHERE works'
);

}

done_testing;
Commit	Line	Data
65c2b042	1	use strict;
	2	use warnings;
	3
	4	use Test::More;
65c2b042	5	use lib qw(t/lib);
a5a7bb73	6	use DBICTest ':DiffSQL';
ed0648ee	7
e606d0ce	8	my $schema = DBICTest->init_schema;
65c2b042	9
e606d0ce	10	# Trick the sqlite DB to use Top limit emulation
8f6dbee9	11	# We could test all of this via $sq->$op directly,
ed0648ee	12	# but some conditions need a $rsrc
20f44a33	13	delete $schema->storage->_sql_maker->{_cached_syntax};
e606d0ce	14	$schema->storage->_sql_maker->limit_dialect ('Top');
e606d0ce	15
86bb5a27	16	my $books_45_and_owners = $schema->resultset ('BooksInLibrary')->search ({}, {
	17	prefetch => 'owner', rows => 2, offset => 3,
	18	columns => [ grep { $_ ne 'title' } $schema->source('BooksInLibrary')->columns ],
	19	});
e606d0ce	20
20f44a33	21	for my $null_order (
	22	undef,
	23	'',
	24	{},
	25	[],
	26	[{}],
	27	) {
	28	my $rs = $books_45_and_owners->search ({}, {order_by => $null_order });
e606d0ce	29	is_same_sql_bind(
20f44a33	30	$rs->as_query,
20f44a33	31	'(SELECT TOP 2
90ed89cb	32	me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	33	FROM (
20f44a33	34	SELECT TOP 5
86bb5a27	35	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name
20f44a33	36	FROM books me
	37	JOIN owners owner ON owner.id = me.owner
	38	WHERE ( source = ? )
	39	ORDER BY me.id
	40	) me
	41	ORDER BY me.id DESC
	42	)',
0e773352	43	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	44	=> 'Library' ] ],
65c2b042	45	);
	46	}
	47
69d3c270	48	{
	49	my $subq = $schema->resultset('Owners')->search({
	50	'count.id' => { -ident => 'owner.id' },
	51	}, { alias => 'owner' })->count_rs;
	52
	53	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
	54	columns => [
	55	{ owner_name => 'owner.name' },
	56	{ owner_books => $subq->as_query },
	57	],
	58	join => 'owner',
	59	rows => 2,
	60	offset => 3,
	61	});
	62
	63	is_same_sql_bind(
	64	$rs_selectas_rel->as_query,
	65	'(
	66	SELECT TOP 2 owner_name, owner_books
	67	FROM (
	68	SELECT TOP 5 owner.name AS owner_name,
	69	( SELECT COUNT( * )
	70	FROM owners owner
	71	WHERE ( count.id = owner.id )
	72	) AS owner_books
	73	FROM books me
	74	JOIN owners owner ON owner.id = me.owner
	75	WHERE ( source = ? )
	76	ORDER BY me.id
	77	) me
	78	ORDER BY me.id DESC
	79	)',
	80	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	81	=> 'Library' ] ],
	82	'pagination with subqueries works'
	83	);
	84
	85	}
20f44a33	86
20f44a33	87	for my $ord_set (
e606d0ce	88	{
86bb5a27	89	order_by => \'title DESC',
86bb5a27	90	order_inner => 'title DESC',
08a1eaad	91	order_outer => 'ORDER__BY__001 ASC',
	92	order_req => 'ORDER__BY__001 DESC',
	93	exselect_outer => 'ORDER__BY__001',
	94	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	95	},
e606d0ce	96	{
86bb5a27	97	order_by => { -asc => 'title' },
86bb5a27	98	order_inner => 'title ASC',
08a1eaad	99	order_outer => 'ORDER__BY__001 DESC',
	100	order_req => 'ORDER__BY__001 ASC',
	101	exselect_outer => 'ORDER__BY__001',
	102	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	103	},
e606d0ce	104	{
86bb5a27	105	order_by => { -desc => 'title' },
86bb5a27	106	order_inner => 'title DESC',
08a1eaad	107	order_outer => 'ORDER__BY__001 ASC',
	108	order_req => 'ORDER__BY__001 DESC',
	109	exselect_outer => 'ORDER__BY__001',
	110	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	111	},
e606d0ce	112	{
86bb5a27	113	order_by => 'title',
86bb5a27	114	order_inner => 'title',
08a1eaad	115	order_outer => 'ORDER__BY__001 DESC',
	116	order_req => 'ORDER__BY__001',
	117	exselect_outer => 'ORDER__BY__001',
	118	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	119	},
e606d0ce	120	{
86bb5a27	121	order_by => [ qw{ title me.owner} ],
86bb5a27	122	order_inner => 'title, me.owner',
08a1eaad	123	order_outer => 'ORDER__BY__001 DESC, me.owner DESC',
	124	order_req => 'ORDER__BY__001, me.owner',
	125	exselect_outer => 'ORDER__BY__001',
	126	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	127	},
e606d0ce	128	{
86bb5a27	129	order_by => ['title', { -desc => 'bar' } ],
86bb5a27	130	order_inner => 'title, bar DESC',
08a1eaad	131	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC',
	132	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC',
	133	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	134	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	135	},
e606d0ce	136	{
86bb5a27	137	order_by => { -asc => [qw{ title bar }] },
86bb5a27	138	order_inner => 'title ASC, bar ASC',
08a1eaad	139	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 DESC',
	140	order_req => 'ORDER__BY__001 ASC, ORDER__BY__002 ASC',
	141	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	142	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	143	},
	144	{
	145	order_by => [
86bb5a27	146	'title',
e606d0ce	147	{ -desc => [qw{bar}] },
20f44a33	148	{ -asc => [qw{me.owner sensors}]},
e606d0ce	149	],
86bb5a27	150	order_inner => 'title, bar DESC, me.owner ASC, sensors ASC',
08a1eaad	151	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC, me.owner DESC, ORDER__BY__003 DESC',
	152	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC, me.owner ASC, ORDER__BY__003 ASC',
	153	exselect_outer => 'ORDER__BY__001, ORDER__BY__002, ORDER__BY__003',
	154	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002, sensors AS ORDER__BY__003',
e606d0ce	155	},
20f44a33	156	) {
	157	my $o_sel = $ord_set->{exselect_outer}
	158	? ', ' . $ord_set->{exselect_outer}
	159	: ''
	160	;
	161	my $i_sel = $ord_set->{exselect_inner}
	162	? ', ' . $ord_set->{exselect_inner}
	163	: ''
	164	;
83dee2e9	165
20f44a33	166	is_same_sql_bind(
20f44a33	167	$books_45_and_owners->search ({}, {order_by => $ord_set->{order_by}})->as_query,
90ed89cb	168	"(SELECT me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	169	FROM (
20f44a33	170	SELECT TOP 2
90ed89cb	171	me.id, me.source, me.owner, me.price, owner__id, owner__name$o_sel
20f44a33	172	FROM (
20f44a33	173	SELECT TOP 5
86bb5a27	174	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name$i_sel
20f44a33	175	FROM books me
	176	JOIN owners owner ON owner.id = me.owner
	177	WHERE ( source = ? )
	178	ORDER BY $ord_set->{order_inner}
	179	) me
	180	ORDER BY $ord_set->{order_outer}
	181	) me
	182	ORDER BY $ord_set->{order_req}
	183	)",
0e773352	184	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	185	=> 'Library' ] ],
94fa8410	186	);
20f44a33	187	}
8f6dbee9	188
20f44a33	189	# with groupby
8f6dbee9	190	is_same_sql_bind (
20f44a33	191	$books_45_and_owners->search ({}, { group_by => 'title', order_by => 'title' })->as_query,
86bb5a27	192	'(SELECT me.id, me.source, me.owner, me.price, owner.id, owner.name
20f44a33	193	FROM (
97e130fa	194	SELECT me.id, me.source, me.owner, me.price, me.title
20f44a33	195	FROM (
20f44a33	196	SELECT TOP 2
97e130fa	197	me.id, me.source, me.owner, me.price, me.title
20f44a33	198	FROM (
20f44a33	199	SELECT TOP 5
97e130fa	200	me.id, me.source, me.owner, me.price, me.title
20f44a33	201	FROM books me
	202	JOIN owners owner ON owner.id = me.owner
	203	WHERE ( source = ? )
	204	GROUP BY title
	205	ORDER BY title
	206	) me
97e130fa	207	ORDER BY title DESC
20f44a33	208	) me
97e130fa	209	ORDER BY title
83dee2e9	210	) me
20f44a33	211	JOIN owners owner ON owner.id = me.owner
	212	WHERE ( source = ? )
	213	ORDER BY title
	214	)',
0e773352	215	[ map { [
	216	{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	217	=> 'Library' ]
	218	} (1,2) ],
8f6dbee9	219	);
a5f843e3	220
20f44a33	221	# test deprecated column mixing over join boundaries
41eac664	222	my $rs_selectas_top = $schema->resultset ('BooksInLibrary')->search ({}, {
	223	'+select' => ['owner.name'],
	224	'+as' => ['owner_name'],
	225	join => 'owner',
69d3c270	226	rows => 1
41eac664	227	});
a5f843e3	228
a5f843e3	229	is_same_sql_bind( $rs_selectas_top->search({})->as_query,
41eac664	230	'(SELECT
41eac664	231	TOP 1 me.id, me.source, me.owner, me.title, me.price,
a66b662c	232	owner.name
41eac664	233	FROM books me
	234	JOIN owners owner ON owner.id = me.owner
	235	WHERE ( source = ? )
0e773352	236	)',
	237	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	238	=> 'Library' ] ],
a5f843e3	239	);
a5f843e3	240
d7632687	241	{
d7632687	242	my $rs = $schema->resultset('Artist')->search({}, {
86bb5a27	243	columns => 'artistid',
d7632687	244	offset => 1,
86bb5a27	245	order_by => 'artistid',
d7632687	246	});
	247	local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";
	248
	249	like (
	250	${$rs->as_query}->[0],
	251	qr\| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table\|x,
	252	'Newlines/spaces preserved in final sql',
	253	);
	254	}
	255
f74d22e2	256	{
	257	my $subq = $schema->resultset('Owners')->search({
	258	'books.owner' => { -ident => 'owner.id' },
	259	}, { alias => 'owner', select => ['id'] } )->count_rs;
	260
	261	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1 } );
	262
	263	is_same_sql_bind(
	264	$rs_selectas_rel->as_query,
a66b662c	265	'(SELECT TOP 1 me.id, me.owner FROM books me WHERE ( ( (EXISTS (SELECT COUNT( * ) FROM owners owner WHERE ( books.owner = owner.id ))) AND source = ? ) ) )',
f74d22e2	266	[
	267	[ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
	268	],
	269	'Pagination with sub-query in WHERE works'
	270	);
	271
	272	}
	273
a5f843e3	274	done_testing;