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

use strict;
use warnings;

use Test::More;
use lib qw(t/lib);
use DBICTest;
use DBIC::SqlMakerTest;

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, ORDER__BY__001 AS title
          FROM (
            SELECT TOP 2
                me.id, me.source, me.owner, me.price, ORDER__BY__001
              FROM (
                SELECT TOP 5
                    me.id, me.source, me.owner, me.price, title AS ORDER__BY__001
                  FROM books me
                  JOIN owners owner ON owner.id = me.owner
                WHERE ( source = ? )
                GROUP BY title
                ORDER BY title
              ) me
            ORDER BY ORDER__BY__001 DESC
          ) me
        ORDER BY ORDER__BY__001
      ) 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);
e606d0ce	6	use DBICTest;
65c2b042	7	use DBIC::SqlMakerTest;
ed0648ee	8
e606d0ce	9	my $schema = DBICTest->init_schema;
65c2b042	10
e606d0ce	11	# Trick the sqlite DB to use Top limit emulation
8f6dbee9	12	# We could test all of this via $sq->$op directly,
ed0648ee	13	# but some conditions need a $rsrc
20f44a33	14	delete $schema->storage->_sql_maker->{_cached_syntax};
e606d0ce	15	$schema->storage->_sql_maker->limit_dialect ('Top');
e606d0ce	16
86bb5a27	17	my $books_45_and_owners = $schema->resultset ('BooksInLibrary')->search ({}, {
	18	prefetch => 'owner', rows => 2, offset => 3,
	19	columns => [ grep { $_ ne 'title' } $schema->source('BooksInLibrary')->columns ],
	20	});
e606d0ce	21
20f44a33	22	for my $null_order (
	23	undef,
	24	'',
	25	{},
	26	[],
	27	[{}],
	28	) {
	29	my $rs = $books_45_and_owners->search ({}, {order_by => $null_order });
e606d0ce	30	is_same_sql_bind(
20f44a33	31	$rs->as_query,
20f44a33	32	'(SELECT TOP 2
90ed89cb	33	me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	34	FROM (
20f44a33	35	SELECT TOP 5
86bb5a27	36	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name
20f44a33	37	FROM books me
	38	JOIN owners owner ON owner.id = me.owner
	39	WHERE ( source = ? )
	40	ORDER BY me.id
	41	) me
	42	ORDER BY me.id DESC
	43	)',
0e773352	44	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	45	=> 'Library' ] ],
65c2b042	46	);
	47	}
	48
69d3c270	49	{
	50	my $subq = $schema->resultset('Owners')->search({
	51	'count.id' => { -ident => 'owner.id' },
	52	}, { alias => 'owner' })->count_rs;
	53
	54	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
	55	columns => [
	56	{ owner_name => 'owner.name' },
	57	{ owner_books => $subq->as_query },
	58	],
	59	join => 'owner',
	60	rows => 2,
	61	offset => 3,
	62	});
	63
	64	is_same_sql_bind(
	65	$rs_selectas_rel->as_query,
	66	'(
	67	SELECT TOP 2 owner_name, owner_books
	68	FROM (
	69	SELECT TOP 5 owner.name AS owner_name,
	70	( SELECT COUNT( * )
	71	FROM owners owner
	72	WHERE ( count.id = owner.id )
	73	) AS owner_books
	74	FROM books me
	75	JOIN owners owner ON owner.id = me.owner
	76	WHERE ( source = ? )
	77	ORDER BY me.id
	78	) me
	79	ORDER BY me.id DESC
	80	)',
	81	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	82	=> 'Library' ] ],
	83	'pagination with subqueries works'
	84	);
	85
	86	}
20f44a33	87
20f44a33	88	for my $ord_set (
e606d0ce	89	{
86bb5a27	90	order_by => \'title DESC',
86bb5a27	91	order_inner => 'title DESC',
08a1eaad	92	order_outer => 'ORDER__BY__001 ASC',
	93	order_req => 'ORDER__BY__001 DESC',
	94	exselect_outer => 'ORDER__BY__001',
	95	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	96	},
e606d0ce	97	{
86bb5a27	98	order_by => { -asc => 'title' },
86bb5a27	99	order_inner => 'title ASC',
08a1eaad	100	order_outer => 'ORDER__BY__001 DESC',
	101	order_req => 'ORDER__BY__001 ASC',
	102	exselect_outer => 'ORDER__BY__001',
	103	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	104	},
e606d0ce	105	{
86bb5a27	106	order_by => { -desc => 'title' },
86bb5a27	107	order_inner => 'title DESC',
08a1eaad	108	order_outer => 'ORDER__BY__001 ASC',
	109	order_req => 'ORDER__BY__001 DESC',
	110	exselect_outer => 'ORDER__BY__001',
	111	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	112	},
e606d0ce	113	{
86bb5a27	114	order_by => 'title',
86bb5a27	115	order_inner => 'title',
08a1eaad	116	order_outer => 'ORDER__BY__001 DESC',
	117	order_req => 'ORDER__BY__001',
	118	exselect_outer => 'ORDER__BY__001',
	119	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	120	},
e606d0ce	121	{
86bb5a27	122	order_by => [ qw{ title me.owner} ],
86bb5a27	123	order_inner => 'title, me.owner',
08a1eaad	124	order_outer => 'ORDER__BY__001 DESC, me.owner DESC',
	125	order_req => 'ORDER__BY__001, me.owner',
	126	exselect_outer => 'ORDER__BY__001',
	127	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	128	},
e606d0ce	129	{
86bb5a27	130	order_by => ['title', { -desc => 'bar' } ],
86bb5a27	131	order_inner => 'title, bar DESC',
08a1eaad	132	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC',
	133	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC',
	134	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	135	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	136	},
e606d0ce	137	{
86bb5a27	138	order_by => { -asc => [qw{ title bar }] },
86bb5a27	139	order_inner => 'title ASC, bar ASC',
08a1eaad	140	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 DESC',
	141	order_req => 'ORDER__BY__001 ASC, ORDER__BY__002 ASC',
	142	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	143	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	144	},
	145	{
	146	order_by => [
86bb5a27	147	'title',
e606d0ce	148	{ -desc => [qw{bar}] },
20f44a33	149	{ -asc => [qw{me.owner sensors}]},
e606d0ce	150	],
86bb5a27	151	order_inner => 'title, bar DESC, me.owner ASC, sensors ASC',
08a1eaad	152	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC, me.owner DESC, ORDER__BY__003 DESC',
	153	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC, me.owner ASC, ORDER__BY__003 ASC',
	154	exselect_outer => 'ORDER__BY__001, ORDER__BY__002, ORDER__BY__003',
	155	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002, sensors AS ORDER__BY__003',
e606d0ce	156	},
20f44a33	157	) {
	158	my $o_sel = $ord_set->{exselect_outer}
	159	? ', ' . $ord_set->{exselect_outer}
	160	: ''
	161	;
	162	my $i_sel = $ord_set->{exselect_inner}
	163	? ', ' . $ord_set->{exselect_inner}
	164	: ''
	165	;
83dee2e9	166
20f44a33	167	is_same_sql_bind(
20f44a33	168	$books_45_and_owners->search ({}, {order_by => $ord_set->{order_by}})->as_query,
90ed89cb	169	"(SELECT me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	170	FROM (
20f44a33	171	SELECT TOP 2
90ed89cb	172	me.id, me.source, me.owner, me.price, owner__id, owner__name$o_sel
20f44a33	173	FROM (
20f44a33	174	SELECT TOP 5
86bb5a27	175	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name$i_sel
20f44a33	176	FROM books me
	177	JOIN owners owner ON owner.id = me.owner
	178	WHERE ( source = ? )
	179	ORDER BY $ord_set->{order_inner}
	180	) me
	181	ORDER BY $ord_set->{order_outer}
	182	) me
	183	ORDER BY $ord_set->{order_req}
	184	)",
0e773352	185	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	186	=> 'Library' ] ],
94fa8410	187	);
20f44a33	188	}
8f6dbee9	189
20f44a33	190	# with groupby
8f6dbee9	191	is_same_sql_bind (
20f44a33	192	$books_45_and_owners->search ({}, { group_by => 'title', order_by => 'title' })->as_query,
86bb5a27	193	'(SELECT me.id, me.source, me.owner, me.price, owner.id, owner.name
20f44a33	194	FROM (
08a1eaad	195	SELECT me.id, me.source, me.owner, me.price, ORDER__BY__001 AS title
20f44a33	196	FROM (
20f44a33	197	SELECT TOP 2
08a1eaad	198	me.id, me.source, me.owner, me.price, ORDER__BY__001
20f44a33	199	FROM (
20f44a33	200	SELECT TOP 5
08a1eaad	201	me.id, me.source, me.owner, me.price, title AS ORDER__BY__001
20f44a33	202	FROM books me
	203	JOIN owners owner ON owner.id = me.owner
	204	WHERE ( source = ? )
	205	GROUP BY title
	206	ORDER BY title
	207	) me
08a1eaad	208	ORDER BY ORDER__BY__001 DESC
20f44a33	209	) me
08a1eaad	210	ORDER BY ORDER__BY__001
83dee2e9	211	) me
20f44a33	212	JOIN owners owner ON owner.id = me.owner
	213	WHERE ( source = ? )
	214	ORDER BY title
	215	)',
0e773352	216	[ map { [
	217	{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	218	=> 'Library' ]
	219	} (1,2) ],
8f6dbee9	220	);
a5f843e3	221
20f44a33	222	# test deprecated column mixing over join boundaries
41eac664	223	my $rs_selectas_top = $schema->resultset ('BooksInLibrary')->search ({}, {
	224	'+select' => ['owner.name'],
	225	'+as' => ['owner_name'],
	226	join => 'owner',
69d3c270	227	rows => 1
41eac664	228	});
a5f843e3	229
a5f843e3	230	is_same_sql_bind( $rs_selectas_top->search({})->as_query,
41eac664	231	'(SELECT
41eac664	232	TOP 1 me.id, me.source, me.owner, me.title, me.price,
a66b662c	233	owner.name
41eac664	234	FROM books me
	235	JOIN owners owner ON owner.id = me.owner
	236	WHERE ( source = ? )
0e773352	237	)',
	238	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	239	=> 'Library' ] ],
a5f843e3	240	);
a5f843e3	241
d7632687	242	{
d7632687	243	my $rs = $schema->resultset('Artist')->search({}, {
86bb5a27	244	columns => 'artistid',
d7632687	245	offset => 1,
86bb5a27	246	order_by => 'artistid',
d7632687	247	});
	248	local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";
	249
	250	like (
	251	${$rs->as_query}->[0],
	252	qr\| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table\|x,
	253	'Newlines/spaces preserved in final sql',
	254	);
	255	}
	256
f74d22e2	257	{
	258	my $subq = $schema->resultset('Owners')->search({
	259	'books.owner' => { -ident => 'owner.id' },
	260	}, { alias => 'owner', select => ['id'] } )->count_rs;
	261
	262	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1 } );
	263
	264	is_same_sql_bind(
	265	$rs_selectas_rel->as_query,
a66b662c	266	'(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	267	[
	268	[ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
	269	],
	270	'Pagination with sub-query in WHERE works'
	271	);
	272
	273	}
	274
a5f843e3	275	done_testing;