[dbsrgits/DBIx-Class.git] / t / 71mysql.t

use strict;
use warnings;  

use Test::More;
use Test::Exception;
use lib qw(t/lib);
use DBICTest;
use DBI::Const::GetInfoType;
use DBIC::SqlMakerTest;

my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_MYSQL_${_}" } qw/DSN USER PASS/};

#warn "$dsn $user $pass";

plan skip_all => 'Set $ENV{DBICTEST_MYSQL_DSN}, _USER and _PASS to run this test'
  unless ($dsn && $user);

my $schema = DBICTest::Schema->connect($dsn, $user, $pass);

my $dbh = $schema->storage->dbh;

$dbh->do("DROP TABLE IF EXISTS artist;");

$dbh->do("CREATE TABLE artist (artistid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100), rank INTEGER NOT NULL DEFAULT '13', charfield CHAR(10));");

$dbh->do("DROP TABLE IF EXISTS cd;");

$dbh->do("CREATE TABLE cd (cdid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, artist INTEGER, title TEXT, year DATE, genreid INTEGER, single_track INTEGER);");

$dbh->do("DROP TABLE IF EXISTS producer;");

$dbh->do("CREATE TABLE producer (producerid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name TEXT);");

$dbh->do("DROP TABLE IF EXISTS cd_to_producer;");

$dbh->do("CREATE TABLE cd_to_producer (cd INTEGER,producer INTEGER);");

$dbh->do("DROP TABLE IF EXISTS owners;");

$dbh->do("CREATE TABLE owners (id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100) NOT NULL);");

$dbh->do("DROP TABLE IF EXISTS books;");

$dbh->do("CREATE TABLE books (id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, source VARCHAR(100) NOT NULL, owner integer NOT NULL, title varchar(100) NOT NULL,  price integer);");

#'dbi:mysql:host=localhost;database=dbic_test', 'dbic_test', '');

# make sure sqlt_type overrides work (::Storage::DBI::mysql does this) 
{
  my $schema = DBICTest::Schema->connect($dsn, $user, $pass);

  ok (!$schema->storage->_dbh, 'definitely not connected');
  is ($schema->storage->sqlt_type, 'MySQL', 'sqlt_type correct pre-connection');
}

# This is in Core now, but it's here just to test that it doesn't break
$schema->class('Artist')->load_components('PK::Auto');

# test primary key handling
my $new = $schema->resultset('Artist')->create({ name => 'foo' });
ok($new->artistid, "Auto-PK worked");

# test LIMIT support
for (1..6) {
    $schema->resultset('Artist')->create({ name => 'Artist ' . $_ });
}
my $it = $schema->resultset('Artist')->search( {},
    { rows => 3,
      offset => 2,
      order_by => 'artistid' }
);
is( $it->count, 3, "LIMIT count ok" );  # ask for 3 rows out of 7 artists
is( $it->next->name, "Artist 2", "iterator->next ok" );
$it->next;
$it->next;
is( $it->next, undef, "next past end of resultset ok" );

my $test_type_info = {
    'artistid' => {
        'data_type' => 'INT',
        'is_nullable' => 0,
        'size' => 11,
        'default_value' => undef,
    },
    'name' => {
        'data_type' => 'VARCHAR',
        'is_nullable' => 1,
        'size' => 100,
        'default_value' => undef,
    },
    'rank' => {
        'data_type' => 'INT',
        'is_nullable' => 0,
        'size' => 11,
        'default_value' => 13,
    },
    'charfield' => {
        'data_type' => 'CHAR',
        'is_nullable' => 1,
        'size' => 10,
        'default_value' => undef,
    },
};

$schema->populate ('Owners', [
  [qw/id  name  /],
  [qw/1   wiggle/],
  [qw/2   woggle/],
  [qw/3   boggle/],
]);

$schema->populate ('BooksInLibrary', [
  [qw/source  owner title   /],
  [qw/Library 1     secrets1/],
  [qw/Eatery  1     secrets2/],
  [qw/Library 2     secrets3/],
]);

#
# try a distinct + prefetch on tables with identically named columns 
# (mysql doesn't seem to like subqueries with equally named columns)
#

{
  # try a ->has_many direction (due to a 'multi' accessor the select/group_by group is collapsed)
  my $owners = $schema->resultset ('Owners')->search (
    { 'books.id' => { '!=', undef }},
    { prefetch => 'books', distinct => 1 }
  );
  my $owners2 = $schema->resultset ('Owners')->search ({ id => { -in => $owners->get_column ('me.id')->as_query }});
  for ($owners, $owners2) {
    is ($_->all, 2, 'Prefetched grouped search returns correct number of rows');
    is ($_->count, 2, 'Prefetched grouped search returns correct count');
  }

  # try a ->belongs_to direction (no select collapse)
  my $books = $schema->resultset ('BooksInLibrary')->search (
    { 'owner.name' => 'wiggle' },
    { prefetch => 'owner', distinct => 1 }
  );
  my $books2 = $schema->resultset ('BooksInLibrary')->search ({ id => { -in => $books->get_column ('me.id')->as_query }});
  for ($books, $books2) {
    is ($_->all, 1, 'Prefetched grouped search returns correct number of rows');
    is ($_->count, 1, 'Prefetched grouped search returns correct count');
  }
}

SKIP: {
    my $mysql_version = $dbh->get_info( $GetInfoType{SQL_DBMS_VER} );
    skip "Cannot determine MySQL server version", 1 if !$mysql_version;

    my ($v1, $v2, $v3) = $mysql_version =~ /^(\d+)\.(\d+)(?:\.(\d+))?/;
    skip "Cannot determine MySQL server version", 1 if !$v1 || !defined($v2);

    $v3 ||= 0;

    if( ($v1 < 5) || ($v1 == 5 && $v2 == 0 && $v3 <= 3) ) {
        $test_type_info->{charfield}->{data_type} = 'VARCHAR';
    }

    my $type_info = $schema->storage->columns_info_for('artist');
    is_deeply($type_info, $test_type_info, 'columns_info_for - column data types');
}

my $cd = $schema->resultset ('CD')->create ({});
my $producer = $schema->resultset ('Producer')->create ({});
lives_ok { $cd->set_producers ([ $producer ]) } 'set_relationship doesnt die';

{
  my $artist = $schema->resultset('Artist')->next;
  my $cd = $schema->resultset('CD')->next;
  $cd->set_from_related ('artist', $artist);
  $cd->update;

  my $rs = $schema->resultset('CD')->search ({}, { prefetch => 'artist' });

  lives_ok sub {
    my $cd = $rs->next;
    is ($cd->artist->name, $artist->name, 'Prefetched artist');
  }, 'join does not throw (mysql 3 test)';

  # induce a jointype override, make sure it works even if we don't have mysql3
  local $schema->storage->sql_maker->{_default_jointype} = 'inner';
  is_same_sql_bind (
    $rs->as_query,
    '(
      SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
             artist.artistid, artist.name, artist.rank, artist.charfield
        FROM cd me
        INNER JOIN artist artist ON artist.artistid = me.artist
    )',
    [],
    'overriden default join type works',
  );
}

{
  # Test support for straight joins
  my $cdsrc = $schema->source('CD');
  my $artrel_info = $cdsrc->relationship_info ('artist');
  $cdsrc->add_relationship(
    'straight_artist',
    $artrel_info->{class},
    $artrel_info->{cond},
    { %{$artrel_info->{attrs}}, join_type => 'straight' },
  );
  is_same_sql_bind (
    $cdsrc->resultset->search({}, { prefetch => 'straight_artist' })->as_query,
    '(
      SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
             straight_artist.artistid, straight_artist.name, straight_artist.rank, straight_artist.charfield
        FROM cd me
        STRAIGHT_JOIN artist straight_artist ON straight_artist.artistid = me.artist
    )',
    [],
    'straight joins correctly supported for mysql'
  );
}

## Can we properly deal with the null search problem?
##
## Only way is to do a SET SQL_AUTO_IS_NULL = 0; on connect
## But I'm not sure if we should do this or not (Ash, 2008/06/03)
#
# There is now a built-in function to do this, test that everything works
# with it (ribasushi, 2009/07/03)

NULLINSEARCH: {
    my $ansi_schema = DBICTest::Schema->connect ($dsn, $user, $pass, { on_connect_call => 'set_strict_mode' });

    $ansi_schema->resultset('Artist')->create ({ name => 'last created artist' });

    ok my $artist1_rs = $ansi_schema->resultset('Artist')->search({artistid=>6666})
      => 'Created an artist resultset of 6666';

    is $artist1_rs->count, 0
      => 'Got no returned rows';

    ok my $artist2_rs = $ansi_schema->resultset('Artist')->search({artistid=>undef})
      => 'Created an artist resultset of undef';

    is $artist2_rs->count, 0
      => 'got no rows';

    my $artist = $artist2_rs->single;

    is $artist => undef
      => 'Nothing Found!';
}

# check for proper grouped counts
{
  my $ansi_schema = DBICTest::Schema->connect ($dsn, $user, $pass, {
    on_connect_call => 'set_strict_mode',
    quote_char => '`',
    name_sep => '.'
  });
  my $rs = $ansi_schema->resultset('CD');

  my $years;
  $years->{$_->year|| scalar keys %$years}++ for $rs->all;  # NULL != NULL, thus the keys eval

  lives_ok ( sub {
    is (
      $rs->search ({}, { group_by => 'year'})->count,
      scalar keys %$years,
      'grouped count correct',
    );
  }, 'Grouped count does not throw');

  lives_ok( sub {
    $ansi_schema->resultset('Owners')->search({}, {
      join => 'books', group_by => [ 'me.id', 'books.id' ]
    })->count();
  }, 'count on grouped columns with the same name does not throw');


}

ZEROINSEARCH: {
  my $cds_per_year = {
    2001 => 2,
    2002 => 1,
    2005 => 3,
  };

  my $rs = $schema->resultset ('CD');
  $rs->delete;
  for my $y (keys %$cds_per_year) {
    for my $c (1 .. $cds_per_year->{$y} ) {
      $rs->create ({ title => "CD $y-$c", artist => 1, year => "$y-01-01" });
    }
  }

  is ($rs->count, 6, 'CDs created successfully');

  $rs = $rs->search ({}, {
    select => [ \ 'YEAR(year)' ], as => ['y'], distinct => 1,
  });

  is_deeply (
    [ sort ($rs->get_column ('y')->all) ],
    [ sort keys %$cds_per_year ],
    'Years group successfully',
  );

  $rs->create ({ artist => 1, year => '0-1-1', title => 'Jesus Rap' });

  is_deeply (
    [ sort $rs->get_column ('y')->all ],
    [ 0, sort keys %$cds_per_year ],
    'Zero-year groups successfully',
  );

  # convoluted search taken verbatim from list 
  my $restrict_rs = $rs->search({ -and => [
    year => { '!=', 0 },
    year => { '!=', undef }
  ]});

  is_deeply (
    [ $restrict_rs->get_column('y')->all ],
    [ $rs->get_column ('y')->all ],
    'Zero year was correctly excluded from resultset',
  );
}

## If find() is the first query after connect()
## DBI::Storage::sql_maker() will be called before
## _determine_driver() and so the ::SQLHacks class for MySQL
## will not be used

my $schema2 = DBICTest::Schema->connect($dsn, $user, $pass);
$schema2->resultset("Artist")->find(4);
isa_ok($schema2->storage->sql_maker, 'DBIx::Class::SQLMaker::MySQL');

done_testing;
Commit	Line	Data
70350518	1	use strict;
34a9e8a0	2	use warnings;
70350518	3
70350518	4	use Test::More;
74de7c2c	5	use Test::Exception;
70350518	6	use lib qw(t/lib);
70350518	7	use DBICTest;
5db49b9a	8	use DBI::Const::GetInfoType;
aa82ce29	9	use DBIC::SqlMakerTest;
0567538f	10
	11	my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_MYSQL_${_}" } qw/DSN USER PASS/};
	12
	13	#warn "$dsn $user $pass";
	14
70350518	15	plan skip_all => 'Set $ENV{DBICTEST_MYSQL_DSN}, _USER and _PASS to run this test'
0567538f	16	unless ($dsn && $user);
0567538f	17
3ff5b740	18	my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
0567538f	19
3ff5b740	20	my $dbh = $schema->storage->dbh;
0567538f	21
	22	$dbh->do("DROP TABLE IF EXISTS artist;");
	23
a0dd8679	24	$dbh->do("CREATE TABLE artist (artistid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100), rank INTEGER NOT NULL DEFAULT '13', charfield CHAR(10));");
0567538f	25
74de7c2c	26	$dbh->do("DROP TABLE IF EXISTS cd;");
74de7c2c	27
e0d56e26	28	$dbh->do("CREATE TABLE cd (cdid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, artist INTEGER, title TEXT, year DATE, genreid INTEGER, single_track INTEGER);");
74de7c2c	29
	30	$dbh->do("DROP TABLE IF EXISTS producer;");
	31
	32	$dbh->do("CREATE TABLE producer (producerid INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name TEXT);");
	33
	34	$dbh->do("DROP TABLE IF EXISTS cd_to_producer;");
	35
	36	$dbh->do("CREATE TABLE cd_to_producer (cd INTEGER,producer INTEGER);");
	37
bed3a173	38	$dbh->do("DROP TABLE IF EXISTS owners;");
	39
	40	$dbh->do("CREATE TABLE owners (id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100) NOT NULL);");
	41
	42	$dbh->do("DROP TABLE IF EXISTS books;");
	43
	44	$dbh->do("CREATE TABLE books (id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY, source VARCHAR(100) NOT NULL, owner integer NOT NULL, title varchar(100) NOT NULL, price integer);");
	45
0567538f	46	#'dbi:mysql:host=localhost;database=dbic_test', 'dbic_test', '');
0567538f	47
adbf0c89	48	# make sure sqlt_type overrides work (::Storage::DBI::mysql does this)
	49	{
	50	my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
	51
	52	ok (!$schema->storage->_dbh, 'definitely not connected');
	53	is ($schema->storage->sqlt_type, 'MySQL', 'sqlt_type correct pre-connection');
	54	}
	55
3ff5b740	56	# This is in Core now, but it's here just to test that it doesn't break
3ff5b740	57	$schema->class('Artist')->load_components('PK::Auto');
0567538f	58
0567538f	59	# test primary key handling
3ff5b740	60	my $new = $schema->resultset('Artist')->create({ name => 'foo' });
0567538f	61	ok($new->artistid, "Auto-PK worked");
	62
	63	# test LIMIT support
	64	for (1..6) {
3ff5b740	65	$schema->resultset('Artist')->create({ name => 'Artist ' . $_ });
0567538f	66	}
3ff5b740	67	my $it = $schema->resultset('Artist')->search( {},
0567538f	68	{ rows => 3,
	69	offset => 2,
	70	order_by => 'artistid' }
	71	);
fb4b58e8	72	is( $it->count, 3, "LIMIT count ok" ); # ask for 3 rows out of 7 artists
0567538f	73	is( $it->next->name, "Artist 2", "iterator->next ok" );
	74	$it->next;
	75	$it->next;
	76	is( $it->next, undef, "next past end of resultset ok" );
	77
a953d8d9	78	my $test_type_info = {
a953d8d9	79	'artistid' => {
103e3e03	80	'data_type' => 'INT',
103e3e03	81	'is_nullable' => 0,
fc22fbac	82	'size' => 11,
fc22fbac	83	'default_value' => undef,
a953d8d9	84	},
a953d8d9	85	'name' => {
103e3e03	86	'data_type' => 'VARCHAR',
a953d8d9	87	'is_nullable' => 1,
a0dd8679	88	'size' => 100,
fc22fbac	89	'default_value' => undef,
103e3e03	90	},
39da2a2b	91	'rank' => {
	92	'data_type' => 'INT',
	93	'is_nullable' => 0,
	94	'size' => 11,
	95	'default_value' => 13,
	96	},
103e3e03	97	'charfield' => {
637219ab	98	'data_type' => 'CHAR',
103e3e03	99	'is_nullable' => 1,
fc22fbac	100	'size' => 10,
fc22fbac	101	'default_value' => undef,
103e3e03	102	},
a953d8d9	103	};
a953d8d9	104
bed3a173	105	$schema->populate ('Owners', [
	106	[qw/id name /],
	107	[qw/1 wiggle/],
	108	[qw/2 woggle/],
	109	[qw/3 boggle/],
	110	]);
	111
	112	$schema->populate ('BooksInLibrary', [
	113	[qw/source owner title /],
13a2f031	114	[qw/Library 1 secrets1/],
	115	[qw/Eatery 1 secrets2/],
	116	[qw/Library 2 secrets3/],
bed3a173	117	]);
bed3a173	118
13a2f031	119	#
	120	# try a distinct + prefetch on tables with identically named columns
	121	# (mysql doesn't seem to like subqueries with equally named columns)
	122	#
bed3a173	123
d758ec36	124	{
13a2f031	125	# try a ->has_many direction (due to a 'multi' accessor the select/group_by group is collapsed)
	126	my $owners = $schema->resultset ('Owners')->search (
	127	{ 'books.id' => { '!=', undef }},
	128	{ prefetch => 'books', distinct => 1 }
	129	);
	130	my $owners2 = $schema->resultset ('Owners')->search ({ id => { -in => $owners->get_column ('me.id')->as_query }});
	131	for ($owners, $owners2) {
b5963465	132	is ($_->all, 2, 'Prefetched grouped search returns correct number of rows');
b5963465	133	is ($_->count, 2, 'Prefetched grouped search returns correct count');
13a2f031	134	}
13a2f031	135
d758ec36	136	# try a ->belongs_to direction (no select collapse)
b5963465	137	my $books = $schema->resultset ('BooksInLibrary')->search (
	138	{ 'owner.name' => 'wiggle' },
	139	{ prefetch => 'owner', distinct => 1 }
	140	);
	141	my $books2 = $schema->resultset ('BooksInLibrary')->search ({ id => { -in => $books->get_column ('me.id')->as_query }});
	142	for ($books, $books2) {
	143	is ($_->all, 1, 'Prefetched grouped search returns correct number of rows');
	144	is ($_->count, 1, 'Prefetched grouped search returns correct count');
13a2f031	145	}
13a2f031	146	}
bed3a173	147
5db49b9a	148	SKIP: {
5db49b9a	149	my $mysql_version = $dbh->get_info( $GetInfoType{SQL_DBMS_VER} );
5db49b9a	150	skip "Cannot determine MySQL server version", 1 if !$mysql_version;
a953d8d9	151
f750163c	152	my ($v1, $v2, $v3) = $mysql_version =~ /^(\d+)\.(\d+)(?:\.(\d+))?/;
	153	skip "Cannot determine MySQL server version", 1 if !$v1 \|\| !defined($v2);
	154
	155	$v3 \|\|= 0;
	156
5db49b9a	157	if( ($v1 < 5) \|\| ($v1 == 5 && $v2 == 0 && $v3 <= 3) ) {
	158	$test_type_info->{charfield}->{data_type} = 'VARCHAR';
	159	}
a953d8d9	160
3ff5b740	161	my $type_info = $schema->storage->columns_info_for('artist');
5db49b9a	162	is_deeply($type_info, $test_type_info, 'columns_info_for - column data types');
5db49b9a	163	}
a953d8d9	164
6a999241	165	my $cd = $schema->resultset ('CD')->create ({});
	166	my $producer = $schema->resultset ('Producer')->create ({});
	167	lives_ok { $cd->set_producers ([ $producer ]) } 'set_relationship doesnt die';
	168
aa82ce29	169	{
	170	my $artist = $schema->resultset('Artist')->next;
	171	my $cd = $schema->resultset('CD')->next;
	172	$cd->set_from_related ('artist', $artist);
	173	$cd->update;
	174
	175	my $rs = $schema->resultset('CD')->search ({}, { prefetch => 'artist' });
	176
	177	lives_ok sub {
	178	my $cd = $rs->next;
	179	is ($cd->artist->name, $artist->name, 'Prefetched artist');
	180	}, 'join does not throw (mysql 3 test)';
	181
	182	# induce a jointype override, make sure it works even if we don't have mysql3
de5f71ef	183	local $schema->storage->sql_maker->{_default_jointype} = 'inner';
aa82ce29	184	is_same_sql_bind (
	185	$rs->as_query,
	186	'(
	187	SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
	188	artist.artistid, artist.name, artist.rank, artist.charfield
	189	FROM cd me
	190	INNER JOIN artist artist ON artist.artistid = me.artist
	191	)',
	192	[],
	193	'overriden default join type works',
	194	);
	195	}
6a999241	196
b8391c87	197	{
	198	# Test support for straight joins
	199	my $cdsrc = $schema->source('CD');
	200	my $artrel_info = $cdsrc->relationship_info ('artist');
	201	$cdsrc->add_relationship(
	202	'straight_artist',
	203	$artrel_info->{class},
	204	$artrel_info->{cond},
	205	{ %{$artrel_info->{attrs}}, join_type => 'straight' },
	206	);
	207	is_same_sql_bind (
	208	$cdsrc->resultset->search({}, { prefetch => 'straight_artist' })->as_query,
	209	'(
	210	SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
	211	straight_artist.artistid, straight_artist.name, straight_artist.rank, straight_artist.charfield
	212	FROM cd me
	213	STRAIGHT_JOIN artist straight_artist ON straight_artist.artistid = me.artist
	214	)',
	215	[],
	216	'straight joins correctly supported for mysql'
	217	);
	218	}
	219
55cfbb70	220	## Can we properly deal with the null search problem?
a7e65bb5	221	##
	222	## Only way is to do a SET SQL_AUTO_IS_NULL = 0; on connect
	223	## But I'm not sure if we should do this or not (Ash, 2008/06/03)
0fde80d9	224	#
	225	# There is now a built-in function to do this, test that everything works
	226	# with it (ribasushi, 2009/07/03)
55cfbb70	227
55cfbb70	228	NULLINSEARCH: {
97a0a148	229	my $ansi_schema = DBICTest::Schema->connect ($dsn, $user, $pass, { on_connect_call => 'set_strict_mode' });
8de9298c	230
8de9298c	231	$ansi_schema->resultset('Artist')->create ({ name => 'last created artist' });
6a999241	232
	233	ok my $artist1_rs = $ansi_schema->resultset('Artist')->search({artistid=>6666})
	234	=> 'Created an artist resultset of 6666';
	235
55cfbb70	236	is $artist1_rs->count, 0
6a999241	237	=> 'Got no returned rows';
374dd926	238
6a999241	239	ok my $artist2_rs = $ansi_schema->resultset('Artist')->search({artistid=>undef})
6a999241	240	=> 'Created an artist resultset of undef';
74de7c2c	241
6a999241	242	is $artist2_rs->count, 0
6a999241	243	=> 'got no rows';
74de7c2c	244
6a999241	245	my $artist = $artist2_rs->single;
55cfbb70	246
6a999241	247	is $artist => undef
6a999241	248	=> 'Nothing Found!';
74de7c2c	249	}
aa82ce29	250
0ce4ab92	251	# check for proper grouped counts
0ce4ab92	252	{
9f775126	253	my $ansi_schema = DBICTest::Schema->connect ($dsn, $user, $pass, {
	254	on_connect_call => 'set_strict_mode',
	255	quote_char => '`',
	256	name_sep => '.'
	257	});
0ce4ab92	258	my $rs = $ansi_schema->resultset('CD');
	259
	260	my $years;
	261	$years->{$_->year\|\| scalar keys %$years}++ for $rs->all; # NULL != NULL, thus the keys eval
	262
	263	lives_ok ( sub {
	264	is (
	265	$rs->search ({}, { group_by => 'year'})->count,
	266	scalar keys %$years,
	267	'grouped count correct',
	268	);
	269	}, 'Grouped count does not throw');
9f775126	270
	271	lives_ok( sub {
	272	$ansi_schema->resultset('Owners')->search({}, {
	273	join => 'books', group_by => [ 'me.id', 'books.id' ]
	274	})->count();
	275	}, 'count on grouped columns with the same name does not throw');
	276
	277
0ce4ab92	278	}
0ce4ab92	279
e0d56e26	280	ZEROINSEARCH: {
	281	my $cds_per_year = {
	282	2001 => 2,
	283	2002 => 1,
	284	2005 => 3,
	285	};
	286
	287	my $rs = $schema->resultset ('CD');
	288	$rs->delete;
	289	for my $y (keys %$cds_per_year) {
	290	for my $c (1 .. $cds_per_year->{$y} ) {
	291	$rs->create ({ title => "CD $y-$c", artist => 1, year => "$y-01-01" });
	292	}
	293	}
	294
	295	is ($rs->count, 6, 'CDs created successfully');
	296
	297	$rs = $rs->search ({}, {
ca458871	298	select => [ \ 'YEAR(year)' ], as => ['y'], distinct => 1,
e0d56e26	299	});
	300
	301	is_deeply (
ca458871	302	[ sort ($rs->get_column ('y')->all) ],
e0d56e26	303	[ sort keys %$cds_per_year ],
	304	'Years group successfully',
	305	);
	306
	307	$rs->create ({ artist => 1, year => '0-1-1', title => 'Jesus Rap' });
	308
	309	is_deeply (
ca458871	310	[ sort $rs->get_column ('y')->all ],
e0d56e26	311	[ 0, sort keys %$cds_per_year ],
	312	'Zero-year groups successfully',
	313	);
	314
	315	# convoluted search taken verbatim from list
	316	my $restrict_rs = $rs->search({ -and => [
	317	year => { '!=', 0 },
	318	year => { '!=', undef }
	319	]});
	320
	321	is_deeply (
	322	[ $restrict_rs->get_column('y')->all ],
	323	[ $rs->get_column ('y')->all ],
	324	'Zero year was correctly excluded from resultset',
	325	);
	326	}
10176e1f	327
	328	## If find() is the first query after connect()
	329	## DBI::Storage::sql_maker() will be called before
	330	## _determine_driver() and so the ::SQLHacks class for MySQL
	331	## will not be used
	332
	333	my $schema2 = DBICTest::Schema->connect($dsn, $user, $pass);
	334	$schema2->resultset("Artist")->find(4);
d5dedbd6	335	isa_ok($schema2->storage->sql_maker, 'DBIx::Class::SQLMaker::MySQL');
10176e1f	336
aa82ce29	337	done_testing;