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mariadb/mysql-test/t/cte_nonrecursive.test
Sergei Golubchik 5dd505b709 MDEV-14428 main.cte_nonrecursive failed in --embedded 
move the privilege related test to main.cte_grant
2017-11-21 20:03:57 +01:00

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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');
create table t2 (c int);
insert into t2 values
(2), (4), (5), (3);
--echo # select certain field in the specification of t
with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
select * from t2, (select a from t1 where b >= 'c') as t
where t2.c=t.a;
explain
with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
explain
select * from t2, (select a from t1 where b >= 'c') as t
where t2.c=t.a;
--echo # select '*' in the specification of t
with t as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
select * from t2, (select * from t1 where b >= 'c') as t
where t2.c=t.a;
explain
with t as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
explain
select * from t2, (select * from t1 where b >= 'c') as t
where t2.c=t.a;
--echo # rename fields returned by the specication when defining t
with t(f1,f2) as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.f1;
explain
with t(f1,f2) as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.f1;
--echo # materialized query specifying t
with t as (select a, count(*) from t1 where b >= 'c' group by a)
select * from t2,t where t2.c=t.a;
select * from t2, (select a, count(*) from t1 where b >= 'c' group by a) as t
where t2.c=t.a;
explain
with t as (select a, count(*) from t1 where b >= 'c' group by a)
select * from t2,t where t2.c=t.a;
explain
select * from t2, (select a, count(*) from t1 where b >= 'c' group by a) as t
where t2.c=t.a;
--echo # specivication of t contains having
with t as (select a, count(*) from t1 where b >= 'c'
group by a having count(*)=1 )
select * from t2,t where t2.c=t.a;
select * from t2, (select a, count(*) from t1 where b >= 'c'
group by a having count(*)=1) t
where t2.c=t.a;
--echo # main query contains having
with t as (select * from t2 where c <= 4)
select a, count(*) from t1,t where t1.a=t.c group by a having count(*)=1;
select a, count(*) from t1, (select * from t2 where c <= 4) t
where t1.a=t.c group by a having count(*)=1;
--echo # main query contains group by + order by
with t as (select * from t2 where c <= 4 )
select a, count(*) from t1,t where t1.a=t.c group by a order by count(*);
select a, count(*) from t1, (select * from t2 where c <= 4 ) t
where t1.a=t.c group by a order by count(*);
--echo # main query contains group by + order by + limit
with t as (select * from t2 where c <= 4 )
select a, count(*) from t1,t
where t1.a=t.c group by a order by count(*) desc limit 1;
select a, count(*) from t1, (select * from t2 where c <= 4 ) t
where t1.a=t.c group by a order by count(*) desc limit 1;
--echo # t is used in a subquery
with t as (select a from t1 where a<5)
select * from t2 where c in (select a from t);
select * from t2
where c in (select a from (select a from t1 where a<5) as t);
explain
with t as (select a from t1 where a<5)
select * from t2 where c in (select a from t);
explain
select * from t2
where c in (select a from (select a from t1 where a<5) as t);
--echo # materialized t is used in a subquery
with t as (select count(*) as c from t1 where b >= 'c' group by a)
select * from t2 where c in (select c from t);
select * from t2
where c in (select c from (select count(*) as c from t1
where b >= 'c' group by a) as t);
explain
with t as (select count(*) as c from t1 where b >= 'c' group by a)
select * from t2 where c in (select c from t);
explain
select * from t2
where c in (select c from (select count(*) as c from t1
where b >= 'c' group by a) as t);
--echo # two references to t specified by a query
--echo # selecting a field: both in main query
with t as (select a from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
select * from (select a from t1 where b >= 'c') as r1,
(select a from t1 where b >= 'c') as r2
where r1.a=r2.a;
explain
with t as (select a from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
explain
select * from (select a from t1 where b >= 'c') as r1,
(select a from t1 where b >= 'c') as r2
where r1.a=r2.a;
--echo # two references to materialized t: both in main query
with t as (select distinct a from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
select * from (select distinct a from t1 where b >= 'c') as r1,
(select distinct a from t1 where b >= 'c') as r2
where r1.a=r2.a;
explain
with t as (select distinct a from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
explain
select * from (select distinct a from t1 where b >= 'c') as r1,
(select distinct a from t1 where b >= 'c') as r2
where r1.a=r2.a;
--echo # two references to t specified by a query
--echo # selecting all fields: both in main query
with t as (select * from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
select * from (select * from t1 where b >= 'c') as r1,
(select * from t1 where b >= 'c') as r2
where r1.a=r2.a;
explain
with t as (select * from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
explain
select * from (select * from t1 where b >= 'c') as r1,
(select * from t1 where b >= 'c') as r2
where r1.a=r2.a;
--echo # two references to t specifying explicitly column names
with t(c) as (select a from t1 where b >= 'c')
select * from t r1, t r2 where r1.c=r2.c;
--echo # t two references of t used in different parts of a union
with t as (select a from t1 where b >= 'c')
select * from t where a < 2
union
select * from t where a >= 4;
select * from (select a from t1 where b >= 'c') as t
where t.a < 2
union
select * from (select a from t1 where b >= 'c') as t
where t.a >= 4;
explain
with t as (select a from t1 where b >= 'c')
select * from t where a < 2
union
select * from t where a >= 4;
explain
select * from (select a from t1 where b >= 'c') as t
where t.a < 2
union
select * from (select a from t1 where b >= 'c') as t
where t.a >= 4;
--echo # specification of t contains union
with t as (select a from t1 where b >= 'f'
union
select c as a from t2 where c < 4)
select * from t2,t where t2.c=t.a;
select * from t2,
(select a from t1 where b >= 'f'
union
select c as a from t2 where c < 4) as t
where t2.c=t.a;
explain
with t as (select a from t1 where b >= 'f'
union
select c as a from t2 where c < 4)
select * from t2,t where t2.c=t.a;
explain
select * from t2,
(select a from t1 where b >= 'f'
union
select c as a from t2 where c < 4) as t
where t2.c=t.a;
--echo # t is defined in the with clause of a subquery
select t1.a,t1.b from t1,t2
where t1.a>t2.c and
t2.c in (with t as (select * from t1 where t1.a<5)
select t2.c from t2,t where t2.c=t.a);
select t1.a,t1.b from t1,t2
where t1.a>t2.c and
t2.c in (select t2.c
from t2,(select * from t1 where t1.a<5) as t
where t2.c=t.a);
explain
select t1.a,t1.b from t1,t2
where t1.a>t2.c and
t2.c in (with t as (select * from t1 where t1.a<5)
select t2.c from t2,t where t2.c=t.a);
explain
select t1.a,t1.b from t1,t2
where t1.a>t2.c and
t2.c in (select t2.c
from t2,(select * from t1 where t1.a<5) as t
where t2.c=t.a);
--echo # two different definitions of t: one in the with clause of the main query,
--echo # the other in the with clause of a subquery
with t as (select c from t2 where c >= 4)
select t1.a,t1.b from t1,t
where t1.a=t.c and
t.c in (with t as (select * from t1 where t1.a<5)
select t2.c from t2,t where t2.c=t.a);
select t1.a,t1.b from t1, (select c from t2 where c >= 4) as t
where t1.a=t.c and
t.c in (select t2.c from t2, (select * from t1 where t1.a<5) as t
where t2.c=t.a);
explain
with t as (select c from t2 where c >= 4)
select t1.a,t1.b from t1,t
where t1.a=t.c and
t.c in (with t as (select * from t1 where t1.a<5)
select t2.c from t2,t where t2.c=t.a);
explain
select t1.a,t1.b from t1, (select c from t2 where c >= 4) as t
where t1.a=t.c and
t.c in (select t2.c from t2, (select * from t1 where t1.a<5) as t
where t2.c=t.a);
--echo # another with table tt is defined in the with clause of a subquery
--echo # from the specification of t
with t as (select * from t1
where a>2 and
b in (with tt as (select * from t2 where t2.c<5)
select t1.b from t1,tt where t1.a=tt.c))
select t.a, count(*) from t1,t where t1.a=t.a group by t.a;
select t.a, count(*)
from t1,
(select * from t1
where a>2 and
b in (select t1.b
from t1,
(select * from t2 where t2.c<5) as tt
where t1.a=tt.c)) as t
where t1.a=t.a group by t.a;
explain
with t as (select * from t1
where a>2 and
b in (with tt as (select * from t2 where t2.c<5)
select t1.b from t1,tt where t1.a=tt.c))
select t.a, count(*) from t1,t where t1.a=t.a group by t.a;
explain
select t.a, count(*)
from t1,
(select * from t1
where a>2 and
b in (select t1.b
from t1,
(select * from t2 where t2.c<5) as tt
where t1.a=tt.c)) as t
where t1.a=t.a group by t.a;
--echo # with clause in the specification of a derived table
select *
from t1,
(with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a) as tt
where t1.b > 'f' and tt.a=t1.a;
select *
from t1,
(select * from t2,
(select a from t1 where b >= 'c') as t
where t2.c=t.a) as tt
where t1.b > 'f' and tt.a=t1.a;
explain
select *
from t1,
(with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a) as tt
where t1.b > 'f' and tt.a=t1.a;
explain
select *
from t1,
(select * from t2,
(select a from t1 where b >= 'c') as t
where t2.c=t.a) as tt
where t1.b > 'f' and tt.a=t1.a;
--echo # with claused in the specification of a view
create view v1 as
with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
show create view v1;
select * from v1;
explain
select * from v1;
--echo # with claused in the specification of a materialized view
create view v2 as
with t as (select a, count(*) from t1 where b >= 'c' group by a)
select * from t2,t where t2.c=t.a;
show create view v2;
select * from v2;
explain
select * from v2;
--echo # with clause in the specification of a view that whose definition
--echo # table alias for a with table
create view v3 as
with t(c) as (select a from t1 where b >= 'c')
select * from t r1 where r1.c=4;
show create view v3;
select * from v3;
--echo # with clause in the specification of a view that whose definition
--echo # two table aliases for for the same with table
create view v4(c,d) as
with t(c) as (select a from t1 where b >= 'c')
select * from t r1, t r2 where r1.c=r2.c and r2.c=4;
show create view v4;
select * from v4;
explain
select * from v4;
drop view v1,v2,v3,v4;
--echo # currently any views containing with clause are not updatable
create view v1(a) as
with t as (select a from t1 where b >= 'c')
select t.a from t2,t where t2.c=t.a;
--error ER_NON_UPDATABLE_TABLE
update v1 set a=0 where a > 4;
drop view v1;
--echo # prepare of a query containing a definition of a with table t
prepare stmt1 from "
with t as (select a from t1 where b >= 'c')
select * from t2,t where t2.c=t.a;
";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
--echo # prepare of a query containing a definition of a materialized t
prepare stmt1 from "
with t as (select a, count(*) from t1 where b >= 'c' group by a)
select * from t2,t where t2.c=t.a;
";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
--echo # prepare of a query containing two references to with table t
prepare stmt1 from "
with t as (select * from t1 where b >= 'c')
select * from t as r1, t as r2 where r1.a=r2.a;
";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
--ERROR ER_WITH_COL_WRONG_LIST
with t(f) as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.f1;
--ERROR ER_DUP_FIELDNAME
with t(f1,f1) as (select * from t1 where b >= 'c')
select * from t2,t where t2.c=t.f1;
--ERROR ER_DUP_QUERY_NAME
with t as (select * from t2 where c>3),
t as (select a from t1 where a>2)
select * from t,t1 where t1.a=t.c;
--ERROR ER_NO_SUCH_TABLE
with t as (select a from s where a<5),
s as (select a from t1 where b>='d')
select * from t,s where t.a=s.a;
with recursive
t as (select a from s where a<5),
s as (select a from t1 where b>='d')
select * from t,s where t.a=s.a;
--ERROR ER_RECURSIVE_WITHOUT_ANCHORS
with recursive t as (select * from s where a>2),
s as (select a from t1,r where t1.a>r.c),
r as (select c from t,t2 where t.a=t2.c)
select * from r where r.c<7;
--ERROR ER_RECURSIVE_WITHOUT_ANCHORS
with recursive
t as (select * from s where a>2),
s as (select a from t1,r where t1.a>r.c),
r as (select c from t,t2 where t.a=t2.c)
select * from r where r.c<7;
--ERROR ER_RECURSIVE_WITHOUT_ANCHORS
with recursive
t as (select * from t1
where a in (select c from s where b<='ccc') and b>'b'),
s as (select * from t1,t2
where t1.a=t2.c and t1.c in (select a from t where a<5))
select * from s where s.b>'aaa';
--ERROR ER_RECURSIVE_WITHOUT_ANCHORS
with recursive
t as (select * from t1 where b>'aaa' and b <='d')
select t.b from t,t2
where t.a=t2.c and
t2.c in (with recursive
s as (select t1.a from s,t1 where t1.a=s.a and t1.b<'c')
select * from s);
--echo #erroneous definition of unreferenced with table t
--ERROR ER_BAD_FIELD_ERROR
with t as (select count(*) from t1 where d>='f' group by a)
select t1.b from t2,t1 where t1.a = t2.c;
with t as (select count(*) from t1 where b>='f' group by a)
select t1.b from t2,t1 where t1.a = t2.c;
--echo #erroneous definition of s referring to unreferenced t
--ERROR ER_BAD_FIELD_ERROR
with t(d) as (select count(*) from t1 where b<='ccc' group by b),
s as (select * from t1 where a in (select t2.d from t2,t where t2.c=t.d))
select t1.b from t1,t2 where t1.a=t2.c;
--ERROR ER_BAD_FIELD_ERROR
with t(d) as (select count(*) from t1 where b<='ccc' group by b),
s as (select * from t1 where a in (select t2.c from t2,t where t2.c=t.c))
select t1.b from t1,t2 where t1.a=t2.c;
with t(d) as (select count(*) from t1 where b<='ccc' group by b),
s as (select * from t1 where a in (select t2.c from t2,t where t2.c=t.d))
select t1.b from t1,t2 where t1.a=t2.c;
--echo #erroneous definition of unreferenced with table t
--ERROR ER_WITH_COL_WRONG_LIST
with t(f) as (select * from t1 where b >= 'c')
select t1.b from t2,t1 where t1.a = t2.c;
--echo #erroneous definition of unreferenced with table t
--ERROR ER_DUP_FIELDNAME
with t(f1,f1) as (select * from t1 where b >= 'c')
select t1.b from t2,t1 where t1.a = t2.c;
--echo # explain for query with unreferenced with table
explain
with t as (select a from t1 where b >= 'c')
select t1.b from t2,t1 where t1.a = t2.c;
explain
with t as (select a, count(*) from t1 where b >= 'c' group by a)
select t1.b from t2,t1 where t1.a = t2.c;
--echo # too many with elements in with clause
let $m= 65;
let $i= $m;
dec $i;
let $q= with s$m as (select * from t1);
while ($i)
{
let $q= $q, s$i as (select * from t1) ;
dec $i;
}
let $q= $q select * from s$m;
--ERROR ER_TOO_MANY_DEFINITIONS_IN_WITH_CLAUSE
eval $q;
drop table t1,t2;
--echo #
--echo # Bug mdev-9937: View used in the specification of with table
--echo # refers to the base table with the same name
--echo #
create table t1 (a int);
insert into t1 values (20), (30), (10);
create view v1 as select * from t1 where a > 10;
with t1 as (select * from v1) select * from t1;
drop view v1;
drop table t1;
--echo #
--echo # Bug mdev-10058: Invalid derived table with WITH clause
--echo #
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
INSERT INTO t2 VALUES (1),(2),(3);
INSERT INTO t3 VALUES (1),(2),(3);
--ERROR ER_PARSE_ERROR
SELECT * FROM (WITH a AS (SELECT * FROM t1) (t2 NATURAL JOIN t3));
SELECT * FROM (WITH a AS (SELECT * FROM t1) SELECT * FROM t2 NATURAL JOIN t3) AS d1;
DROP TABLE t1,t2,t3;
--echo #
--echo # Bug mdev-10344: the WITH clause of the query refers to a view that uses
--echo # a base table with the same name as a CTE table from the clause
--echo #
create table ten(a int primary key);
insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table one_k(a int primary key);
insert into one_k select A.a + B.a* 10 + C.a * 100 from ten A, ten B, ten C;
create view v1 as select * from ten;
select * from v1;
drop view v1;
drop table ten, one_k;
--echo #
--echo # MDEV-10057 : Crash with EXPLAIN + WITH + constant query
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
SELECT * FROM (WITH a AS (SELECT * FROM t1) SELECT 1) AS t1;
EXPLAIN SELECT * FROM (WITH a AS (SELECT * FROM t1) SELECT 1) AS t1;
DROP TABLE t1;
--echo #
--echo # MDEV-10058: Suspicious EXPLAIN output for a derived table + WITH + joined table
--echo #
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
INSERT INTO t2 VALUES (1),(2),(3);
INSERT INTO t3 VALUES (1),(2),(3);
--error ER_PARSE_ERROR
EXPLAIN SELECT * FROM (WITH a AS (SELECT * FROM t1) (t2 NATURAL JOIN t3));
explain SELECT * FROM (WITH a AS (SELECT * FROM t1) SELECT * FROM t2 NATURAL JOIN t3) AS d1;
DROP TABLE t1,t2,t3;
--echo #
--echo # MDEV-10729: Server crashes in st_select_lex::set_explain_type
--echo #
CREATE TABLE t1 (i1 INT, KEY(i1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (4),(8);
CREATE TABLE t2 (a2 INT, b2 INT, KEY(b2)) ENGINE=MyISAM;
INSERT INTO t2 VALUES (8,7);
CREATE TABLE t3 (i3 INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (2),(6);
SELECT * FROM t1, t2 WHERE a2 = i1 and b2 >= i1 AND i1 IN ( SELECT i3 FROM t3 )
UNION
SELECT * FROM t1, t2 WHERE a2 = i1 and b2 >= i1 AND i1 IN ( SELECT i3 FROM t3 )
;
DROP TABLE t1,t2,t3;
--echo #
--echo # MDEV-10923: mergeable CTE used twice in the query
--echo #
create table employees (
name varchar(32),
dept varchar(32),
country varchar(8)
);
insert into employees
values
('Sergei Golubchik', 'Development', 'DE'),
('Claudio Nanni', 'Support', 'ES'),
('Sergei Petrunia', 'Development', 'RU');
with eng as
(
select * from employees
where dept in ('Development','Support')
),
eu_eng as
(
select * from eng where country IN ('DE','ES','RU')
)
select * from eu_eng T1
where
not exists (select 1 from eu_eng T2
where T2.country=T1.country
and T2.name <> T1.name);
drop table employees;
--echo #
--echo # MDEV-11818: EXPLAIN EXTENDED for a query with optimized away CTE table
--echo #
CREATE TABLE t1 (i INT, c VARCHAR(3));
INSERT INTO t1 VALUES (1,'foo');
EXPLAIN EXTENDED
WITH cte AS ( SELECT * FROM t1 ) SELECT i FROM cte;
DROP TABLE t1;
--echo #
--echo # MDEV-12185: view defintion contains WITH clause with
--echo # several specifications of CTE
--echo #
with
alias1 as (select 1 as one),
alias2 as (select 2 as two)
select one, two from alias1, alias2;
create view v1 as
with
alias1 as (select 1 as one),
alias2 as (select 2 as two)
select one, two from alias1, alias2;
select * from v1;
show create view v1;
drop view v1;
--echo #
--echo # MDEV-12440: the same CTE table is used twice
--echo #
create table t1 (a int, b varchar(32));
insert into t1 values
(4,'aaaa' ), (7,'bb'), (1,'ccc'), (4,'dd');
--echo # cte2 is used in the main query and in the spec for ct3
with
cte1 as (select * from t1 where b >= 'c'),
cte2 as (select * from cte1 where a < 7),
cte3 as (select * from cte2 where a > 1)
select * from cte2, cte3 where cte2.a = cte3.a;
--echo # cte2 is used twice in the spec for ct3
with
cte1 as (select * from t1 where b >= 'b'),
cte2 as (select * from cte1 where b > 'c'),
cte3 as (select * from cte2 where a > 1 union select * from cte2 where a > 1)
select * from cte3;
drop table t1;
--echo #
--echo # MDEV-12558: CTE with the same name as temporary table
--echo #
CREATE TABLE t ENGINE=MyISAM AS SELECT 1 AS i;
CREATE TEMPORARY TABLE cte ENGINE=MyISAM AS SELECT 2 AS f;
WITH cte AS ( SELECT i FROM t ) SELECT * FROM cte;
WITH cte AS ( SELECT i FROM t GROUP BY i) SELECT * FROM cte;
SELECT * FROM cte;
DROP TABLE cte;
DROP TABLE t;
--echo #
--echo # MDEV-13107: SHOW TABLE STATUS, SHOW CREATE VIEW
--echo # for CTEs that use derived tables
--echo #
create table t1(a int) engine=myisam;
insert into t1 values (3), (1), (2);
create table t2 (b int) engine=myisam;
insert into t2 values (2), (10);
create view v1 as
with t as (select s.a from (select t1.a from t1) s),
r as(select t.a from t2, t where t2.b=t.a)
select a from r;
create view v2 as
with t as (select s.a from (select t1.a from t1) s),
r as(select t.a from t2, t where t2.b=t.a)
select a from t1;
--disable_result_log
show table status;
--enable_result_log
show create view v1;
show create view v2;
select * from v1;
select * from v2;
prepare stmt1 from "select * from v1";
execute stmt1;
execute stmt1;
prepare stmt2 from "select * from v2";
execute stmt2;
execute stmt2;
deallocate prepare stmt1;
deallocate prepare stmt2;
drop view v1,v2;
drop table t1,t2;
--echo #
--echo # MDEV-13796: UNION of two materialized CTEs
--echo #
CREATE TABLE t1 (id int, k int);
CREATE TABLE t2 (id int);
INSERT INTO t1 VALUES (3,5), (1,7), (4,3);
INSERT INTO t2 VALUES (4), (3), (2);
let $q=
WITH d1 AS (SELECT SUM(k) FROM t1, t2 as t2 WHERE t1.id = t2.id),
d2 AS (SELECT SUM(k) FROM t1, t2 as t2 WHERE t1.id = t2.id)
SELECT * FROM d1 UNION SELECT * FROM d2;
eval $q;
eval explain $q;
DROP TABLE t1,t2;
--echo #
--echo # MDEV-13780: tower of embedding CTEs with multiple usage of them
--echo #
create table t1 (a int);
insert into t1 values (3), (2), (4), (7), (1), (2), (5);
let $q=
with cte_e as
(
with cte_o as
(
with cte_i as (select * from t1 where a < 7)
select * from cte_i where a > 1
)
select * from cte_o as cto_o1 where a < 3
union
select * from cte_o as cto_o2 where a > 4
)
select * from cte_e as cte_e1 where a > 1
union
select * from cte_e as cte_e2;
eval $q;
eval explain extended $q;
drop table t1;
--echo #
--echo # MDEV-13753: embedded CTE in a VIEW created in prepared statement
--echo #
SET @sql_query = "
CREATE OR REPLACE VIEW cte_test AS
WITH cte1 AS ( SELECT 1 as a from dual )
, cte2 AS ( SELECT * FROM cte1 )
SELECT * FROM cte2;
";
PREPARE stmt FROM @sql_query;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SHOW CREATE VIEW cte_test;
SELECT * FROM cte_test;
DROP VIEW cte_test;
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