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

BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) }

use strict;
use warnings;

use Test::More;

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',
  },
  {
    order_by => [
        { -asc => 'title', -nulls => 'first' },
        { -desc => 'bar', -nulls => 'last' },
    ],
    order_inner => 'title ASC NULLS FIRST, bar DESC NULLS LAST',
    order_outer => 'ORDER__BY__001 DESC NULLS LAST, ORDER__BY__002 ASC NULLS FIRST',
    order_req => 'ORDER__BY__001 ASC NULLS FIRST, ORDER__BY__002 DESC NULLS LAST',
    exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
    exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
  },
) {
  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
c0329273	1	BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ \|\| $! ) }
c0329273	2
65c2b042	3	use strict;
	4	use warnings;
	5
	6	use Test::More;
c0329273	7
a5a7bb73	8	use DBICTest ':DiffSQL';
ed0648ee	9
e606d0ce	10	my $schema = DBICTest->init_schema;
65c2b042	11
e606d0ce	12	# Trick the sqlite DB to use Top limit emulation
8f6dbee9	13	# We could test all of this via $sq->$op directly,
ed0648ee	14	# but some conditions need a $rsrc
20f44a33	15	delete $schema->storage->_sql_maker->{_cached_syntax};
e606d0ce	16	$schema->storage->_sql_maker->limit_dialect ('Top');
e606d0ce	17
86bb5a27	18	my $books_45_and_owners = $schema->resultset ('BooksInLibrary')->search ({}, {
	19	prefetch => 'owner', rows => 2, offset => 3,
	20	columns => [ grep { $_ ne 'title' } $schema->source('BooksInLibrary')->columns ],
	21	});
e606d0ce	22
20f44a33	23	for my $null_order (
	24	undef,
	25	'',
	26	{},
	27	[],
	28	[{}],
	29	) {
	30	my $rs = $books_45_and_owners->search ({}, {order_by => $null_order });
e606d0ce	31	is_same_sql_bind(
20f44a33	32	$rs->as_query,
20f44a33	33	'(SELECT TOP 2
90ed89cb	34	me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	35	FROM (
20f44a33	36	SELECT TOP 5
86bb5a27	37	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name
20f44a33	38	FROM books me
	39	JOIN owners owner ON owner.id = me.owner
	40	WHERE ( source = ? )
	41	ORDER BY me.id
	42	) me
	43	ORDER BY me.id DESC
	44	)',
0e773352	45	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	46	=> 'Library' ] ],
65c2b042	47	);
	48	}
	49
69d3c270	50	{
	51	my $subq = $schema->resultset('Owners')->search({
	52	'count.id' => { -ident => 'owner.id' },
	53	}, { alias => 'owner' })->count_rs;
	54
	55	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
	56	columns => [
	57	{ owner_name => 'owner.name' },
	58	{ owner_books => $subq->as_query },
	59	],
	60	join => 'owner',
	61	rows => 2,
	62	offset => 3,
	63	});
	64
	65	is_same_sql_bind(
	66	$rs_selectas_rel->as_query,
	67	'(
	68	SELECT TOP 2 owner_name, owner_books
	69	FROM (
	70	SELECT TOP 5 owner.name AS owner_name,
	71	( SELECT COUNT( * )
	72	FROM owners owner
	73	WHERE ( count.id = owner.id )
	74	) AS owner_books
	75	FROM books me
	76	JOIN owners owner ON owner.id = me.owner
	77	WHERE ( source = ? )
	78	ORDER BY me.id
	79	) me
	80	ORDER BY me.id DESC
	81	)',
	82	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	83	=> 'Library' ] ],
	84	'pagination with subqueries works'
	85	);
	86
	87	}
20f44a33	88
20f44a33	89	for my $ord_set (
e606d0ce	90	{
86bb5a27	91	order_by => \'title DESC',
86bb5a27	92	order_inner => 'title DESC',
08a1eaad	93	order_outer => 'ORDER__BY__001 ASC',
	94	order_req => 'ORDER__BY__001 DESC',
	95	exselect_outer => 'ORDER__BY__001',
	96	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	97	},
e606d0ce	98	{
86bb5a27	99	order_by => { -asc => 'title' },
86bb5a27	100	order_inner => 'title ASC',
08a1eaad	101	order_outer => 'ORDER__BY__001 DESC',
	102	order_req => 'ORDER__BY__001 ASC',
	103	exselect_outer => 'ORDER__BY__001',
	104	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	105	},
e606d0ce	106	{
86bb5a27	107	order_by => { -desc => 'title' },
86bb5a27	108	order_inner => 'title DESC',
08a1eaad	109	order_outer => 'ORDER__BY__001 ASC',
	110	order_req => 'ORDER__BY__001 DESC',
	111	exselect_outer => 'ORDER__BY__001',
	112	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	113	},
e606d0ce	114	{
86bb5a27	115	order_by => 'title',
86bb5a27	116	order_inner => 'title',
08a1eaad	117	order_outer => 'ORDER__BY__001 DESC',
	118	order_req => 'ORDER__BY__001',
	119	exselect_outer => 'ORDER__BY__001',
	120	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	121	},
e606d0ce	122	{
86bb5a27	123	order_by => [ qw{ title me.owner} ],
86bb5a27	124	order_inner => 'title, me.owner',
08a1eaad	125	order_outer => 'ORDER__BY__001 DESC, me.owner DESC',
	126	order_req => 'ORDER__BY__001, me.owner',
	127	exselect_outer => 'ORDER__BY__001',
	128	exselect_inner => 'title AS ORDER__BY__001',
e606d0ce	129	},
e606d0ce	130	{
86bb5a27	131	order_by => ['title', { -desc => 'bar' } ],
86bb5a27	132	order_inner => 'title, bar DESC',
08a1eaad	133	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC',
	134	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC',
	135	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	136	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	137	},
e606d0ce	138	{
86bb5a27	139	order_by => { -asc => [qw{ title bar }] },
86bb5a27	140	order_inner => 'title ASC, bar ASC',
08a1eaad	141	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 DESC',
	142	order_req => 'ORDER__BY__001 ASC, ORDER__BY__002 ASC',
	143	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	144	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
e606d0ce	145	},
	146	{
	147	order_by => [
86bb5a27	148	'title',
e606d0ce	149	{ -desc => [qw{bar}] },
20f44a33	150	{ -asc => [qw{me.owner sensors}]},
e606d0ce	151	],
86bb5a27	152	order_inner => 'title, bar DESC, me.owner ASC, sensors ASC',
08a1eaad	153	order_outer => 'ORDER__BY__001 DESC, ORDER__BY__002 ASC, me.owner DESC, ORDER__BY__003 DESC',
	154	order_req => 'ORDER__BY__001, ORDER__BY__002 DESC, me.owner ASC, ORDER__BY__003 ASC',
	155	exselect_outer => 'ORDER__BY__001, ORDER__BY__002, ORDER__BY__003',
	156	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002, sensors AS ORDER__BY__003',
e606d0ce	157	},
555df627	158	{
	159	order_by => [
	160	{ -asc => 'title', -nulls => 'first' },
	161	{ -desc => 'bar', -nulls => 'last' },
	162	],
	163	order_inner => 'title ASC NULLS FIRST, bar DESC NULLS LAST',
	164	order_outer => 'ORDER__BY__001 DESC NULLS LAST, ORDER__BY__002 ASC NULLS FIRST',
	165	order_req => 'ORDER__BY__001 ASC NULLS FIRST, ORDER__BY__002 DESC NULLS LAST',
	166	exselect_outer => 'ORDER__BY__001, ORDER__BY__002',
	167	exselect_inner => 'title AS ORDER__BY__001, bar AS ORDER__BY__002',
	168	},
20f44a33	169	) {
	170	my $o_sel = $ord_set->{exselect_outer}
	171	? ', ' . $ord_set->{exselect_outer}
	172	: ''
	173	;
	174	my $i_sel = $ord_set->{exselect_inner}
	175	? ', ' . $ord_set->{exselect_inner}
	176	: ''
	177	;
83dee2e9	178
20f44a33	179	is_same_sql_bind(
20f44a33	180	$books_45_and_owners->search ({}, {order_by => $ord_set->{order_by}})->as_query,
90ed89cb	181	"(SELECT me.id, me.source, me.owner, me.price, owner__id, owner__name
20f44a33	182	FROM (
20f44a33	183	SELECT TOP 2
90ed89cb	184	me.id, me.source, me.owner, me.price, owner__id, owner__name$o_sel
20f44a33	185	FROM (
20f44a33	186	SELECT TOP 5
86bb5a27	187	me.id, me.source, me.owner, me.price, owner.id AS owner__id, owner.name AS owner__name$i_sel
20f44a33	188	FROM books me
	189	JOIN owners owner ON owner.id = me.owner
	190	WHERE ( source = ? )
	191	ORDER BY $ord_set->{order_inner}
	192	) me
	193	ORDER BY $ord_set->{order_outer}
	194	) me
	195	ORDER BY $ord_set->{order_req}
	196	)",
0e773352	197	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
0e773352	198	=> 'Library' ] ],
94fa8410	199	);
20f44a33	200	}
8f6dbee9	201
20f44a33	202	# with groupby
8f6dbee9	203	is_same_sql_bind (
20f44a33	204	$books_45_and_owners->search ({}, { group_by => 'title', order_by => 'title' })->as_query,
86bb5a27	205	'(SELECT me.id, me.source, me.owner, me.price, owner.id, owner.name
20f44a33	206	FROM (
97e130fa	207	SELECT me.id, me.source, me.owner, me.price, me.title
20f44a33	208	FROM (
20f44a33	209	SELECT TOP 2
97e130fa	210	me.id, me.source, me.owner, me.price, me.title
20f44a33	211	FROM (
20f44a33	212	SELECT TOP 5
97e130fa	213	me.id, me.source, me.owner, me.price, me.title
20f44a33	214	FROM books me
	215	JOIN owners owner ON owner.id = me.owner
	216	WHERE ( source = ? )
	217	GROUP BY title
	218	ORDER BY title
	219	) me
97e130fa	220	ORDER BY title DESC
20f44a33	221	) me
97e130fa	222	ORDER BY title
83dee2e9	223	) me
20f44a33	224	JOIN owners owner ON owner.id = me.owner
	225	WHERE ( source = ? )
	226	ORDER BY title
	227	)',
0e773352	228	[ map { [
	229	{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	230	=> 'Library' ]
	231	} (1,2) ],
8f6dbee9	232	);
a5f843e3	233
20f44a33	234	# test deprecated column mixing over join boundaries
41eac664	235	my $rs_selectas_top = $schema->resultset ('BooksInLibrary')->search ({}, {
	236	'+select' => ['owner.name'],
	237	'+as' => ['owner_name'],
	238	join => 'owner',
69d3c270	239	rows => 1
41eac664	240	});
a5f843e3	241
a5f843e3	242	is_same_sql_bind( $rs_selectas_top->search({})->as_query,
41eac664	243	'(SELECT
41eac664	244	TOP 1 me.id, me.source, me.owner, me.title, me.price,
a66b662c	245	owner.name
41eac664	246	FROM books me
	247	JOIN owners owner ON owner.id = me.owner
	248	WHERE ( source = ? )
0e773352	249	)',
	250	[ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
	251	=> 'Library' ] ],
a5f843e3	252	);
a5f843e3	253
d7632687	254	{
d7632687	255	my $rs = $schema->resultset('Artist')->search({}, {
86bb5a27	256	columns => 'artistid',
d7632687	257	offset => 1,
86bb5a27	258	order_by => 'artistid',
d7632687	259	});
	260	local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";
	261
	262	like (
	263	${$rs->as_query}->[0],
	264	qr\| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table\|x,
	265	'Newlines/spaces preserved in final sql',
	266	);
	267	}
	268
f74d22e2	269	{
	270	my $subq = $schema->resultset('Owners')->search({
	271	'books.owner' => { -ident => 'owner.id' },
	272	}, { alias => 'owner', select => ['id'] } )->count_rs;
	273
	274	my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1 } );
	275
	276	is_same_sql_bind(
	277	$rs_selectas_rel->as_query,
a66b662c	278	'(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	279	[
	280	[ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
	281	],
	282	'Pagination with sub-query in WHERE works'
	283	);
	284
	285	}
	286
a5f843e3	287	done_testing;