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Initial commit for mdev-9864 containing only test files
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Galina Shalygina committed May 8, 2016
1 parent c0a59b4 commit 93845e1
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289 changes: 289 additions & 0 deletions mysql-test/r/cte_recursive.result
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create table t1 (a int, b varchar(32));
insert into t1 values
(4,'aaaa' ), (7,'bb'), (1,'ccc'), (4,'dd');
insert into t1 values
(3,'eee'), (7,'bb'), (1,'fff'), (4,'ggg');
with recursive
a1(a,b) as
(select * from t1 where t1.a>3
union
select * from b1 where b1.a >3
union
select * from c1 where c1.a>3),
b1(a,b) as
(select * from a1 where a1.b > 'ccc'
union
select * from c1 where c1.b > 'ddd'),
c1(a,b) as
(select * from a1 where a1.a<6 and a1.b< 'zz'
union
select * from b1 where b1.b > 'auu')
select * from c1;
ERROR HY000: No anchors for recursive WITH element 'b1'
drop table t1;
create table folks(id int, name char(32), dob date, father int, mother int);
insert into folks values
(100, 'Vasya', '2000-01-01', 20, 30),
(20, 'Dad', '1970-02-02', 10, 9),
(30, 'Mom', '1975-03-03', 8, 7),
(10, 'Grandpa Bill', '1940-04-05', null, null),
(9, 'Grandma Ann', '1941-10-15', null, null),
(25, 'Uncle Jim', '1968-11-18', 8, 7),
(98, 'Sister Amy', '2001-06-20', 20, 30),
(8, 'Grandma Sally', '1943-08-23', 5, 6),
(6, 'Grandgrandma Martha', '1923-05-17', null, null),
(67, 'Cousin Eddie', '1992-02-28', 25, 27),
(27, 'Auntie Melinda', '1971-03-29', null, null);
with recursive
ancestors
as
(
select *
from folks
where name = 'Vasya' and dob = '2000-01-01'
union
select p.id, p.name, p.dob, p.father, p.mother
from folks as p, ancestors AS a
where p.id = a.father or p.id = a.mother
)
select * from ancestors;
id name dob father mother
100 Vasya 2000-01-01 20 30
20 Dad 1970-02-02 10 9
30 Mom 1975-03-03 8 7
10 Grandpa Bill 1940-04-05 NULL NULL
9 Grandma Ann 1941-10-15 NULL NULL
8 Grandma Sally 1943-08-23 5 6
6 Grandgrandma Martha 1923-05-17 NULL NULL
with recursive
ancestors
as
(
select p.*
from folks as p, ancestors AS a
where p.id = a.father or p.id = a.mother
union
select *
from folks
where name = 'Vasya' and dob = '2000-01-01'
)
select * from ancestors;
id name dob father mother
100 Vasya 2000-01-01 20 30
20 Dad 1970-02-02 10 9
30 Mom 1975-03-03 8 7
10 Grandpa Bill 1940-04-05 NULL NULL
9 Grandma Ann 1941-10-15 NULL NULL
8 Grandma Sally 1943-08-23 5 6
6 Grandgrandma Martha 1923-05-17 NULL NULL
with recursive
ancestors
as
(
select *
from folks
where name = 'Cousin Eddie'
union
select p.*
from folks as p, ancestors as a
where p.id = a.father or p.id = a.mother
)
select * from ancestors;
id name dob father mother
67 Cousin Eddie 1992-02-28 25 27
25 Uncle Jim 1968-11-18 8 7
27 Auntie Melinda 1971-03-29 NULL NULL
8 Grandma Sally 1943-08-23 5 6
6 Grandgrandma Martha 1923-05-17 NULL NULL
with recursive
ancestors
as
(
select *
from folks
where name = 'Vasya' or name='Sister Amy'
union
select p.*
from folks as p, ancestors as a
where p.id = a.father or p.id = a.mother
)
select * from ancestors;
id name dob father mother
100 Vasya 2000-01-01 20 30
98 Sister Amy 2001-06-20 20 30
20 Dad 1970-02-02 10 9
30 Mom 1975-03-03 8 7
10 Grandpa Bill 1940-04-05 NULL NULL
9 Grandma Ann 1941-10-15 NULL NULL
8 Grandma Sally 1943-08-23 5 6
6 Grandgrandma Martha 1923-05-17 NULL NULL
with recursive
prev_gen
as
(
select folks.*
from folks, prev_gen
where folks.id=prev_gen.father or folks.id=prev_gen.mother
union
select *
from folks
where name='Vasya'
),
ancestors
as
(
select *
from folks
where name='Vasya'
union
select *
from ancestors
union
select *
from prev_gen
)
select ancestors.name, ancestors.dob from ancestors;
name dob
Vasya 2000-01-01
Dad 1970-02-02
Mom 1975-03-03
Grandpa Bill 1940-04-05
Grandma Ann 1941-10-15
Grandma Sally 1943-08-23
Grandgrandma Martha 1923-05-17
with recursive
descendants
as
(
select *
from folks
where name = 'Grandpa Bill'
union
select folks.*
from folks, descendants as d
where d.id=folks.father or d.id=folks.mother
)
select * from descendants;
id name dob father mother
10 Grandpa Bill 1940-04-05 NULL NULL
20 Dad 1970-02-02 10 9
100 Vasya 2000-01-01 20 30
98 Sister Amy 2001-06-20 20 30
with recursive
descendants
as
(
select *
from folks
where name = 'Grandma Sally'
union
select folks.*
from folks, descendants as d
where d.id=folks.father or d.id=folks.mother
)
select * from descendants;
id name dob father mother
8 Grandma Sally 1943-08-23 5 6
30 Mom 1975-03-03 8 7
25 Uncle Jim 1968-11-18 8 7
100 Vasya 2000-01-01 20 30
98 Sister Amy 2001-06-20 20 30
67 Cousin Eddie 1992-02-28 25 27
with recursive
ancestors
as
(
select *
from folks
where name = 'Vasya' and dob = '2000-01-01'
union
select p.*
from folks as p, ancestors AS a
where p.id = a.father OR p.id = a.mother
)
select *
from ancestors t1, ancestors t2
where exists (select * from ancestors a
where a.father=t1.id AND a.mother=t2.id);
id name dob father mother id name dob father mother
20 Dad 1970-02-02 10 9 30 Mom 1975-03-03 8 7
10 Grandpa Bill 1940-04-05 NULL NULL 9 Grandma Ann 1941-10-15 NULL NULL
with
ancestor_couples(husband, h_dob, wife, w_dob)
as
(
with recursive
ancestors
as
(
select *
from folks
where name = 'Vasya'
union
select p.*
from folks as p, ancestors AS a
where p.id = a.father OR p.id = a.mother
)
select t1.name, t1.dob, t2.name, t2.dob
from ancestors t1, ancestors t2
where exists (select * from ancestors a
where a.father=t1.id AND a.mother=t2.id)
)
select * from ancestor_couples;
husband h_dob wife w_dob
Dad 1970-02-02 Mom 1975-03-03
Grandpa Bill 1940-04-05 Grandma Ann 1941-10-15
with recursive
ancestors
as
(
select *
from folks
where name = 'Vasya' and dob = '2000-01-01'
union
select p.*
from folks as p, ancestors AS a
where p.id = a.father
union
select p.*
from folks as p, ancestors AS a
where p.id = a.mother
)
select * from ancestors;
id name dob father mother
100 Vasya 2000-01-01 20 30
20 Dad 1970-02-02 10 9
30 Mom 1975-03-03 8 7
9 Grandma Ann 1941-10-15 NULL NULL
10 Grandpa Bill 1940-04-05 NULL NULL
8 Grandma Sally 1943-08-23 5 6
6 Grandgrandma Martha 1923-05-17 NULL NULL
with recursive
ancestor_couples(h_id, h_name, h_dob, h_father, h_mother,
w_id, w_name, w_dob, w_father, w_mother)
as
(
select h.*, w.*
from folks h, folks w, coupled_ancestors a
where a.father = h.id AND a.mother = w.id
union
select h.*, w.*
from folks v, folks h, folks w
where v.name = 'Vasya' and
(v.father = h.id AND v.mother= w.id)
),
coupled_ancestors (id, name, dob, father, mother)
as
(
select h_id, h_name, h_dob, h_father, h_mother
from ancestor_couples
union
select w_id, w_name, w_dob, w_father, w_mother
from ancestor_couples
)
select h_name, h_dob, w_name, w_dob
from ancestor_couples;
h_name h_dob w_name w_dob
Dad 1970-02-02 Mom 1975-03-03
Grandpa Bill 1940-04-05 Grandma Ann 1941-10-15
drop table folks;
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