--- /dev/null
+use strict;
+use warnings;
+
+use Test::Exception;
+use Test::More;
+
+use lib qw(t/lib);
+use DBIC::SqlMakerTest;
+
+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);
+
+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::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_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ )',
+ [ [ name => 'root'] ],
+ );
+ is_deeply (
+ [ $rs->get_column ('name')->all ],
+ [ qw/root child1 grandchild greatgrandchild child2/ ],
+ 'got artist tree',
+ );
+
+ is_same_sql_bind (
+ $rs->count_rs->as_query,
+ '(
+ SELECT COUNT( * )
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ )',
+ [ [ name => 'root'] ],
+ );
+
+ 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_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ ORDER SIBLINGS BY name DESC
+ )',
+ [ [ name => 'root'] ],
+ );
+
+ 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_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ WHERE ( parentid IS NULL )
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ )',
+ [ [ name => 'root'] ],
+ );
+
+ 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_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ LEFT JOIN cd cds ON cds.artist = me.artistid
+ WHERE ( cds.title LIKE ? )
+ START WITH me.name = ?
+ CONNECT BY parentid = PRIOR artistid
+ )',
+ [ [ 'cds.title' => '%cd' ], [ 'me.name' => 'root' ] ],
+ );
+
+ is_deeply(
+ [ $rs->get_column('name')->all ],
+ [ 'grandchild' ],
+ 'Connect By with a join result name ok'
+ );
+
+ is_same_sql_bind (
+ $rs->count_rs->as_query,
+ '(
+ SELECT COUNT( * )
+ FROM artist me
+ LEFT JOIN cd cds ON cds.artist = me.artistid
+ WHERE ( cds.title LIKE ? )
+ START WITH me.name = ?
+ CONNECT BY parentid = PRIOR artistid
+ )',
+ [ [ 'cds.title' => '%cd' ], [ 'me.name' => 'root' ] ],
+ );
+
+ 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' ] },
+ });
+
+ is_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ ORDER BY LEVEL ASC, name ASC
+ )',
+ [ [ name => 'root' ] ],
+ );
+
+
+ # Don't use "$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' },
+ rows => 2,
+ });
+
+ is_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT artistid, name, rank, charfield, parentid
+ FROM (
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ ORDER BY name ASC
+ ) me
+ WHERE ROWNUM <= 2
+ )',
+ [ [ name => 'root' ] ],
+ );
+
+ is_deeply (
+ [ $rs->get_column ('name')->all ],
+ [qw/child1 child2/],
+ 'LIMIT a Connect By query - correct names'
+ );
+
+ is_same_sql_bind (
+ $rs->count_rs->as_query,
+ '(
+ SELECT COUNT( * )
+ FROM (
+ SELECT artistid
+ FROM (
+ SELECT me.artistid
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ ) me
+ WHERE ROWNUM <= 2
+ ) me
+ )',
+ [ [ name => 'root' ] ],
+ );
+
+ is( $rs->count, 2, 'Connect By; LIMIT count ok' );
+ }
+
+ # combine a connect_by with group_by and having
+ {
+ my $rs = $schema->resultset('Artist')->search({}, {
+ select => { count => 'rank', -as => 'cnt' },
+ start_with => { name => 'root' },
+ connect_by => { parentid => { -prior => { -ident => 'artistid' } } },
+ group_by => ['rank'],
+ having => \[ 'count(rank) < ?', [ cnt => 2 ] ],
+ });
+
+ is_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT COUNT(rank) AS cnt
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY parentid = PRIOR artistid
+ GROUP BY rank HAVING count(rank) < ?
+ )',
+ [ [ name => 'root' ], [ cnt => 2 ] ],
+ );
+
+ is_deeply (
+ [ $rs->get_column ('cnt')->all ],
+ [1, 1],
+ '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_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, me.parentid, CONNECT_BY_ISCYCLE
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY NOCYCLE parentid = PRIOR artistid
+ )',
+ [ [ name => 'cycle-root'] ],
+ );
+ 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_same_sql_bind (
+ $rs->count_rs->as_query,
+ '(
+ SELECT COUNT( * )
+ FROM artist me
+ START WITH name = ?
+ CONNECT BY NOCYCLE parentid = PRIOR artistid
+ )',
+ [ [ name => 'cycle-root'] ],
+ );
+
+ 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 {
+ eval {
+ my $dbh = $schema->storage->dbh;
+ $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");
+ };
+}
projects / dbsrgits/DBIx-Class.git / blobdiff