[dbsrgits/DBIx-Class.git] / t / 73oracle_hq.t

use strict;
use warnings;

use Test::Exception;
use Test::More;
use DBIx::Class::Optional::Dependencies ();
use lib qw(t/lib);
use DBICTest::RunMode;

$ENV{NLS_SORT} = "BINARY";
$ENV{NLS_COMP} = "BINARY";
$ENV{NLS_LANG} = "AMERICAN";

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

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

plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_oracle')
  unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_oracle');

use DBICTest::Schema::Artist;
BEGIN {
  DBICTest::Schema::Artist->add_column('parentid');

  DBICTest::Schema::Artist->has_many(
    children => 'DBICTest::Schema::Artist',
    { 'foreign.parentid' => 'self.artistid' }
  );

  DBICTest::Schema::Artist->belongs_to(
    parent => 'DBICTest::Schema::Artist',
    { 'foreign.artistid' => 'self.parentid' }
  );
}

use DBICTest;
use DBICTest::Schema;

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

note "Oracle Version: " . $schema->storage->_server_info->{dbms_version};

my $dbh = $schema->storage->dbh;
do_creates($dbh);

### test hierarchical queries
{
  $schema->resultset('Artist')->create ({
    name => 'root',
    rank => 1,
    cds => [],
    children => [
      {
        name => 'child1',
        rank => 2,
        children => [
          {
            name => 'grandchild',
            rank => 3,
            cds => [
              {
                title => "grandchilds's cd" ,
                year => '2008',
                tracks => [
                  {
                    position => 1,
                    title => 'Track 1 grandchild',
                  }
                ],
              }
            ],
            children => [
              {
                name => 'greatgrandchild',
                rank => 3,
              }
            ],
          }
        ],
      },
      {
        name => 'child2',
        rank => 3,
      },
    ],
  });

  $schema->resultset('Artist')->create({
    name => 'cycle-root',
    children => [
      {
        name => 'cycle-child1',
        children => [ { name => 'cycle-grandchild' } ],
      },
      {
        name => 'cycle-child2'
      },
    ],
  });

  $schema->resultset('Artist')->find({ name => 'cycle-root' })
    ->update({ parentid => { -ident => 'artistid' } });

  # select the whole tree
  {
    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
    });

    is_deeply (
      [ $rs->get_column ('name')->all ],
      [ qw/root child1 grandchild greatgrandchild child2/ ],
      'got artist tree',
    );

    is( $rs->count, 5, 'Connect By count ok' );
  }

  # use order siblings by statement
  SKIP: {
    # http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/state21b.htm#2066123
    skip q{Oracle8i doesn't support ORDER SIBLINGS BY}, 1
      if $schema->storage->_server_info->{normalized_dbms_version} < 9;

    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident =>  'artistid' } } },
      order_siblings_by => { -desc => 'name' },
    });

    is_deeply (
      [ $rs->get_column ('name')->all ],
      [ qw/root child2 child1 grandchild greatgrandchild/ ],
      'Order Siblings By ok',
    );
  }

  # get the root node
  {
    my $rs = $schema->resultset('Artist')->search({ parentid => undef }, {
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
    });

    is_deeply(
      [ $rs->get_column('name')->all ],
      [ 'root' ],
      'found root node',
    );
  }

  # combine a connect by with a join
  SKIP: {
    # http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/state21b.htm#2066123
    skip q{Oracle8i doesn't support connect by with join}, 1
      if $schema->storage->_server_info->{normalized_dbms_version} < 9;

    my $rs = $schema->resultset('Artist')->search(
      {'cds.title' => { -like => '%cd'} },
      {
        join => 'cds',
        start_with => { 'me.name' => 'root' },
        connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
      }
    );

    is_deeply(
      [ $rs->get_column('name')->all ],
      [ 'grandchild' ],
      'Connect By with a join result name ok'
    );

    is( $rs->count, 1, 'Connect By with a join; count ok' );
  }

  # combine a connect by with order_by
  {
    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
      order_by => { -asc => [ 'LEVEL', 'name' ] },
    });

    # Don't use "$rs->get_column ('name')->all" they build a query arround the $rs.
    #   If $rs has a order by, the order by is in the subquery and this doesn't work with Oracle 8i.
    # TODO: write extra test and fix order by handling on Oracle 8i
    is_deeply (
      [ map { $_->[1] } $rs->cursor->all ],
      [ qw/root child1 child2 grandchild greatgrandchild/ ],
      'Connect By with a order_by - result name ok (without get_column)'
    );

    SKIP: {
      skip q{Connect By with a order_by - result name ok (with get_column), Oracle8i doesn't support order by in a subquery},1
        if $schema->storage->_server_info->{normalized_dbms_version} < 9;
      is_deeply (
        [  $rs->get_column ('name')->all ],
        [ qw/root child1 child2 grandchild greatgrandchild/ ],
        'Connect By with a order_by - result name ok (with get_column)'
      );
    }
  }


  # limit a connect by
  SKIP: {
    skip q{Oracle8i doesn't support order by in a subquery}, 1
      if $schema->storage->_server_info->{normalized_dbms_version} < 9;

    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
      order_by => [ { -asc => 'name' }, {  -desc => 'artistid' } ],
      rows => 2,
    });

    is_deeply (
      [ $rs->get_column ('name')->all ],
      [qw/child1 child2/],
      'LIMIT a Connect By query - correct names'
    );

    is( $rs->count, 2, 'Connect By; LIMIT count ok' );
  }

  # combine a connect_by with group_by and having
  # add some bindvals to make sure things still work
  {
    my $rs = $schema->resultset('Artist')->search({}, {
      select => \[ 'COUNT(rank) + ?', [ __cbind => 3 ] ],
      as => 'cnt',
      start_with => { name => 'root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
      group_by => \[ 'rank + ? ', [ __gbind =>  1] ],
      having => \[ 'count(rank) < ?', [ cnt => 2 ] ],
    });

    is_deeply (
      [ $rs->get_column ('cnt')->all ],
      [4, 4],
      'Group By a Connect By query - correct values'
    );
  }

  # select the whole cycle tree without nocylce
  {
    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'cycle-root' },
      connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
    });

    # ORA-01436:  CONNECT BY loop in user data
    throws_ok { $rs->get_column ('name')->all } qr/ORA-01436/,
      "connect by initify loop detection without nocycle";
  }

  # select the whole cycle tree with nocylce
  SKIP: {
    # http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/expressi.htm#1023748
    skip q{Oracle8i doesn't support connect by nocycle}, 1
      if $schema->storage->_server_info->{normalized_dbms_version} < 9;

    my $rs = $schema->resultset('Artist')->search({}, {
      start_with => { name => 'cycle-root' },
      '+select'  => \ 'CONNECT_BY_ISCYCLE',
      '+as'      => [ 'connector' ],
      connect_by_nocycle => { parentid => { -prior => { -ident => 'artistid' } } },
    });

    is_deeply (
      [ $rs->get_column ('name')->all ],
      [ qw/cycle-root cycle-child1 cycle-grandchild cycle-child2/ ],
      'got artist tree with nocycle (name)',
    );
    is_deeply (
      [ $rs->get_column ('connector')->all ],
      [ qw/1 0 0 0/ ],
      'got artist tree with nocycle (CONNECT_BY_ISCYCLE)',
    );

    is( $rs->count, 4, 'Connect By Nocycle count ok' );
  }
}

done_testing;

sub do_creates {
  my $dbh = shift;

  eval {
    $dbh->do("DROP SEQUENCE artist_autoinc_seq");
    $dbh->do("DROP SEQUENCE artist_pk_seq");
    $dbh->do("DROP SEQUENCE cd_seq");
    $dbh->do("DROP SEQUENCE track_seq");
    $dbh->do("DROP TABLE artist");
    $dbh->do("DROP TABLE track");
    $dbh->do("DROP TABLE cd");
  };

  $dbh->do("CREATE SEQUENCE artist_pk_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");
  $dbh->do("CREATE SEQUENCE cd_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");
  $dbh->do("CREATE SEQUENCE track_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");

  $dbh->do("CREATE TABLE artist (artistid NUMBER(12), parentid NUMBER(12), name VARCHAR(255), autoinc_col NUMBER(12), rank NUMBER(38), charfield VARCHAR2(10))");
  $dbh->do("ALTER TABLE artist ADD (CONSTRAINT artist_pk PRIMARY KEY (artistid))");

  $dbh->do("CREATE TABLE cd (cdid NUMBER(12), artist NUMBER(12), title VARCHAR(255), year VARCHAR(4), genreid NUMBER(12), single_track NUMBER(12))");
  $dbh->do("ALTER TABLE cd ADD (CONSTRAINT cd_pk PRIMARY KEY (cdid))");

  $dbh->do("CREATE TABLE track (trackid NUMBER(12), cd NUMBER(12) REFERENCES cd(cdid) DEFERRABLE, position NUMBER(12), title VARCHAR(255), last_updated_on DATE, last_updated_at DATE, small_dt DATE)");
  $dbh->do("ALTER TABLE track ADD (CONSTRAINT track_pk PRIMARY KEY (trackid))");

  $dbh->do(qq{
    CREATE OR REPLACE TRIGGER artist_insert_trg_pk
    BEFORE INSERT ON artist
    FOR EACH ROW
      BEGIN
        IF :new.artistid IS NULL THEN
          SELECT artist_pk_seq.nextval
          INTO :new.artistid
          FROM DUAL;
        END IF;
      END;
  });
  $dbh->do(qq{
    CREATE OR REPLACE TRIGGER cd_insert_trg
    BEFORE INSERT OR UPDATE ON cd
    FOR EACH ROW

      DECLARE
      tmpVar NUMBER;

      BEGIN
        tmpVar := 0;

        IF :new.cdid IS NULL THEN
          SELECT cd_seq.nextval
          INTO tmpVar
          FROM dual;

          :new.cdid := tmpVar;
        END IF;
      END;
  });
  $dbh->do(qq{
    CREATE OR REPLACE TRIGGER track_insert_trg
    BEFORE INSERT ON track
    FOR EACH ROW
      BEGIN
        IF :new.trackid IS NULL THEN
          SELECT track_seq.nextval
          INTO :new.trackid
          FROM DUAL;
        END IF;
      END;
  });
}

# clean up our mess
END {
  if ($schema and my $dbh = $schema->storage->dbh) {
    eval { $dbh->do($_) } for (
      'DROP SEQUENCE artist_pk_seq',
      'DROP SEQUENCE cd_seq',
      'DROP SEQUENCE track_seq',
      'DROP TABLE artist',
      'DROP TABLE track',
      'DROP TABLE cd',
    );
  };
  undef $schema;
}
Commit	Line	Data
12e05c15	1	use strict;
	2	use warnings;
	3
	4	use Test::Exception;
	5	use Test::More;
199fbc45	6	use DBIx::Class::Optional::Dependencies ();
12e05c15	7	use lib qw(t/lib);
8d6b1478	8	use DBICTest::RunMode;
fcb7fcbb	9
994dc91b	10	$ENV{NLS_SORT} = "BINARY";
	11	$ENV{NLS_COMP} = "BINARY";
	12	$ENV{NLS_LANG} = "AMERICAN";
	13
12e05c15	14	my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_ORA_${_}" } qw/DSN USER PASS/};
	15
	16	plan skip_all => 'Set $ENV{DBICTEST_ORA_DSN}, _USER and _PASS to run this test.'
	17	unless ($dsn && $user && $pass);
	18
e6983054	19	plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_oracle')
	20	unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_oracle');
	21
12e05c15	22	use DBICTest::Schema::Artist;
	23	BEGIN {
	24	DBICTest::Schema::Artist->add_column('parentid');
	25
	26	DBICTest::Schema::Artist->has_many(
	27	children => 'DBICTest::Schema::Artist',
	28	{ 'foreign.parentid' => 'self.artistid' }
	29	);
	30
	31	DBICTest::Schema::Artist->belongs_to(
	32	parent => 'DBICTest::Schema::Artist',
	33	{ 'foreign.artistid' => 'self.parentid' }
	34	);
	35	}
	36
8d6b1478	37	use DBICTest;
12e05c15	38	use DBICTest::Schema;
	39
	40	my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
	41
	42	note "Oracle Version: " . $schema->storage->_server_info->{dbms_version};
	43
	44	my $dbh = $schema->storage->dbh;
	45	do_creates($dbh);
	46
	47	### test hierarchical queries
	48	{
	49	$schema->resultset('Artist')->create ({
	50	name => 'root',
	51	rank => 1,
	52	cds => [],
	53	children => [
	54	{
	55	name => 'child1',
	56	rank => 2,
	57	children => [
	58	{
	59	name => 'grandchild',
	60	rank => 3,
	61	cds => [
	62	{
	63	title => "grandchilds's cd" ,
	64	year => '2008',
	65	tracks => [
	66	{
	67	position => 1,
	68	title => 'Track 1 grandchild',
	69	}
	70	],
	71	}
	72	],
	73	children => [
	74	{
	75	name => 'greatgrandchild',
	76	rank => 3,
	77	}
	78	],
	79	}
	80	],
	81	},
	82	{
	83	name => 'child2',
	84	rank => 3,
	85	},
	86	],
	87	});
	88
	89	$schema->resultset('Artist')->create({
	90	name => 'cycle-root',
	91	children => [
	92	{
	93	name => 'cycle-child1',
	94	children => [ { name => 'cycle-grandchild' } ],
	95	},
	96	{
	97	name => 'cycle-child2'
	98	},
	99	],
	100	});
	101
102	$schema->resultset('Artist')->find({ name => 'cycle-root' })
103	->update({ parentid => { -ident => 'artistid' } });
104
105	# select the whole tree
106	{
107	my $rs = $schema->resultset('Artist')->search({}, {
108	start_with => { name => 'root' },
109	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
110	});
111
12e05c15	112	is_deeply (
	113	[ $rs->get_column ('name')->all ],
	114	[ qw/root child1 grandchild greatgrandchild child2/ ],
	115	'got artist tree',
	116	);
	117
12e05c15	118	is( $rs->count, 5, 'Connect By count ok' );
	119	}
	120
	121	# use order siblings by statement
	122	SKIP: {
	123	# http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/state21b.htm#2066123
	124	skip q{Oracle8i doesn't support ORDER SIBLINGS BY}, 1
	125	if $schema->storage->_server_info->{normalized_dbms_version} < 9;
	126
	127	my $rs = $schema->resultset('Artist')->search({}, {
	128	start_with => { name => 'root' },
	129	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
	130	order_siblings_by => { -desc => 'name' },
	131	});
	132
12e05c15	133	is_deeply (
	134	[ $rs->get_column ('name')->all ],
	135	[ qw/root child2 child1 grandchild greatgrandchild/ ],
	136	'Order Siblings By ok',
	137	);
	138	}
	139
	140	# get the root node
	141	{
	142	my $rs = $schema->resultset('Artist')->search({ parentid => undef }, {
	143	start_with => { name => 'root' },
	144	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
	145	});
	146
12e05c15	147	is_deeply(
	148	[ $rs->get_column('name')->all ],
	149	[ 'root' ],
	150	'found root node',
	151	);
	152	}
	153
	154	# combine a connect by with a join
	155	SKIP: {
	156	# http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/state21b.htm#2066123
	157	skip q{Oracle8i doesn't support connect by with join}, 1
	158	if $schema->storage->_server_info->{normalized_dbms_version} < 9;
	159
	160	my $rs = $schema->resultset('Artist')->search(
	161	{'cds.title' => { -like => '%cd'} },
	162	{
	163	join => 'cds',
	164	start_with => { 'me.name' => 'root' },
	165	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
	166	}
	167	);
	168
12e05c15	169	is_deeply(
	170	[ $rs->get_column('name')->all ],
	171	[ 'grandchild' ],
	172	'Connect By with a join result name ok'
	173	);
	174
12e05c15	175	is( $rs->count, 1, 'Connect By with a join; count ok' );
	176	}
	177
	178	# combine a connect by with order_by
	179	{
	180	my $rs = $schema->resultset('Artist')->search({}, {
	181	start_with => { name => 'root' },
	182	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
	183	order_by => { -asc => [ 'LEVEL', 'name' ] },
	184	});
	185
12e05c15	186	# Don't use "$rs->get_column ('name')->all" they build a query arround the $rs.
	187	# If $rs has a order by, the order by is in the subquery and this doesn't work with Oracle 8i.
	188	# TODO: write extra test and fix order by handling on Oracle 8i
	189	is_deeply (
	190	[ map { $_->[1] } $rs->cursor->all ],
	191	[ qw/root child1 child2 grandchild greatgrandchild/ ],
	192	'Connect By with a order_by - result name ok (without get_column)'
	193	);
	194
	195	SKIP: {
	196	skip q{Connect By with a order_by - result name ok (with get_column), Oracle8i doesn't support order by in a subquery},1
	197	if $schema->storage->_server_info->{normalized_dbms_version} < 9;
	198	is_deeply (
	199	[ $rs->get_column ('name')->all ],
	200	[ qw/root child1 child2 grandchild greatgrandchild/ ],
	201	'Connect By with a order_by - result name ok (with get_column)'
	202	);
	203	}
	204	}
	205
	206
	207	# limit a connect by
	208	SKIP: {
	209	skip q{Oracle8i doesn't support order by in a subquery}, 1
	210	if $schema->storage->_server_info->{normalized_dbms_version} < 9;
	211
	212	my $rs = $schema->resultset('Artist')->search({}, {
	213	start_with => { name => 'root' },
	214	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
6a6394f1	215	order_by => [ { -asc => 'name' }, { -desc => 'artistid' } ],
12e05c15	216	rows => 2,
	217	});
	218
12e05c15	219	is_deeply (
	220	[ $rs->get_column ('name')->all ],
	221	[qw/child1 child2/],
	222	'LIMIT a Connect By query - correct names'
	223	);
	224
12e05c15	225	is( $rs->count, 2, 'Connect By; LIMIT count ok' );
	226	}
	227
	228	# combine a connect_by with group_by and having
55d02972	229	# add some bindvals to make sure things still work
12e05c15	230	{
12e05c15	231	my $rs = $schema->resultset('Artist')->search({}, {
55d02972	232	select => \[ 'COUNT(rank) + ?', [ __cbind => 3 ] ],
55d02972	233	as => 'cnt',
12e05c15	234	start_with => { name => 'root' },
12e05c15	235	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
55d02972	236	group_by => \[ 'rank + ? ', [ __gbind => 1] ],
12e05c15	237	having => \[ 'count(rank) < ?', [ cnt => 2 ] ],
	238	});
	239
12e05c15	240	is_deeply (
12e05c15	241	[ $rs->get_column ('cnt')->all ],
55d02972	242	[4, 4],
12e05c15	243	'Group By a Connect By query - correct values'
	244	);
	245	}
	246
	247	# select the whole cycle tree without nocylce
	248	{
	249	my $rs = $schema->resultset('Artist')->search({}, {
	250	start_with => { name => 'cycle-root' },
	251	connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
	252	});
	253
	254	# ORA-01436: CONNECT BY loop in user data
	255	throws_ok { $rs->get_column ('name')->all } qr/ORA-01436/,
	256	"connect by initify loop detection without nocycle";
	257	}
	258
	259	# select the whole cycle tree with nocylce
	260	SKIP: {
	261	# http://download.oracle.com/docs/cd/A87860_01/doc/server.817/a85397/expressi.htm#1023748
	262	skip q{Oracle8i doesn't support connect by nocycle}, 1
	263	if $schema->storage->_server_info->{normalized_dbms_version} < 9;
	264
	265	my $rs = $schema->resultset('Artist')->search({}, {
	266	start_with => { name => 'cycle-root' },
	267	'+select' => \ 'CONNECT_BY_ISCYCLE',
	268	'+as' => [ 'connector' ],
	269	connect_by_nocycle => { parentid => { -prior => { -ident => 'artistid' } } },
	270	});
	271
12e05c15	272	is_deeply (
	273	[ $rs->get_column ('name')->all ],
	274	[ qw/cycle-root cycle-child1 cycle-grandchild cycle-child2/ ],
	275	'got artist tree with nocycle (name)',
	276	);
	277	is_deeply (
	278	[ $rs->get_column ('connector')->all ],
	279	[ qw/1 0 0 0/ ],
	280	'got artist tree with nocycle (CONNECT_BY_ISCYCLE)',
	281	);
	282
12e05c15	283	is( $rs->count, 4, 'Connect By Nocycle count ok' );
	284	}
	285	}
	286
	287	done_testing;
	288
	289	sub do_creates {
	290	my $dbh = shift;
	291
	292	eval {
	293	$dbh->do("DROP SEQUENCE artist_autoinc_seq");
	294	$dbh->do("DROP SEQUENCE artist_pk_seq");
	295	$dbh->do("DROP SEQUENCE cd_seq");
	296	$dbh->do("DROP SEQUENCE track_seq");
	297	$dbh->do("DROP TABLE artist");
	298	$dbh->do("DROP TABLE track");
	299	$dbh->do("DROP TABLE cd");
	300	};
	301
	302	$dbh->do("CREATE SEQUENCE artist_pk_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");
	303	$dbh->do("CREATE SEQUENCE cd_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");
	304	$dbh->do("CREATE SEQUENCE track_seq START WITH 1 MAXVALUE 999999 MINVALUE 0");
	305
	306	$dbh->do("CREATE TABLE artist (artistid NUMBER(12), parentid NUMBER(12), name VARCHAR(255), autoinc_col NUMBER(12), rank NUMBER(38), charfield VARCHAR2(10))");
	307	$dbh->do("ALTER TABLE artist ADD (CONSTRAINT artist_pk PRIMARY KEY (artistid))");
	308
	309	$dbh->do("CREATE TABLE cd (cdid NUMBER(12), artist NUMBER(12), title VARCHAR(255), year VARCHAR(4), genreid NUMBER(12), single_track NUMBER(12))");
	310	$dbh->do("ALTER TABLE cd ADD (CONSTRAINT cd_pk PRIMARY KEY (cdid))");
	311
	312	$dbh->do("CREATE TABLE track (trackid NUMBER(12), cd NUMBER(12) REFERENCES cd(cdid) DEFERRABLE, position NUMBER(12), title VARCHAR(255), last_updated_on DATE, last_updated_at DATE, small_dt DATE)");
	313	$dbh->do("ALTER TABLE track ADD (CONSTRAINT track_pk PRIMARY KEY (trackid))");
	314
	315	$dbh->do(qq{
	316	CREATE OR REPLACE TRIGGER artist_insert_trg_pk
	317	BEFORE INSERT ON artist
	318	FOR EACH ROW
	319	BEGIN
	320	IF :new.artistid IS NULL THEN
	321	SELECT artist_pk_seq.nextval
	322	INTO :new.artistid
	323	FROM DUAL;
	324	END IF;
	325	END;
	326	});
	327	$dbh->do(qq{
	328	CREATE OR REPLACE TRIGGER cd_insert_trg
	329	BEFORE INSERT OR UPDATE ON cd
	330	FOR EACH ROW
	331
	332	DECLARE
	333	tmpVar NUMBER;
	334
	335	BEGIN
	336	tmpVar := 0;
	337
	338	IF :new.cdid IS NULL THEN
	339	SELECT cd_seq.nextval
	340	INTO tmpVar
	341	FROM dual;
	342
	343	:new.cdid := tmpVar;
	344	END IF;
	345	END;
	346	});
347	$dbh->do(qq{
348	CREATE OR REPLACE TRIGGER track_insert_trg
349	BEFORE INSERT ON track
350	FOR EACH ROW
351	BEGIN
352	IF :new.trackid IS NULL THEN
353	SELECT track_seq.nextval
354	INTO :new.trackid
355	FROM DUAL;
356	END IF;
357	END;
358	});
359	}
360
361	# clean up our mess
362	END {
65d35121	363	if ($schema and my $dbh = $schema->storage->dbh) {
	364	eval { $dbh->do($_) } for (
	365	'DROP SEQUENCE artist_pk_seq',
	366	'DROP SEQUENCE cd_seq',
	367	'DROP SEQUENCE track_seq',
	368	'DROP TABLE artist',
	369	'DROP TABLE track',
	370	'DROP TABLE cd',
	371	);
12e05c15	372	};
65d35121	373	undef $schema;
12e05c15	374	}