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authorMichael Widenius <monty@mariadb.org>2018-03-09 14:05:35 +0200
committerMonty <monty@mariadb.org>2018-03-29 13:59:44 +0300
commita7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch)
tree70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/main/cte_nonrecursive.test
parentab1941266c59a19703a74b5593cf3f508a5752d7 (diff)
downloadmariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/main/cte_nonrecursive.test')
-rw-r--r--mysql-test/main/cte_nonrecursive.test1014
1 files changed, 1014 insertions, 0 deletions
diff --git a/mysql-test/main/cte_nonrecursive.test b/mysql-test/main/cte_nonrecursive.test
new file mode 100644
index 00000000000..5e1770496f6
--- /dev/null
+++ b/mysql-test/main/cte_nonrecursive.test
@@ -0,0 +1,1014 @@
+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;
+
+--echo #
+--echo # mdev-14755 : PS for query using CTE in select with subquery
+--echo #
+
+create table t1 (a int);
+insert into t1 values
+ (7), (2), (8), (1), (3), (2), (7), (5), (4), (7), (9), (8);
+
+let $q1=
+with cte as
+(select a from t1 where a between 4 and 7 group by a)
+(select a from cte where exists( select a from t1 where cte.a=t1.a ))
+union
+(select a from t1 where a < 2);
+
+eval $q1;
+eval prepare stmt from "$q1";
+execute stmt;
+execute stmt;
+deallocate prepare stmt;
+
+let $q2=
+with cte as
+(select a from t1 where a between 4 and 7 group by a)
+(select a from t1 where a < 2)
+union
+(select a from cte where exists( select a from t1 where cte.a=t1.a ));
+
+eval $q2;
+eval prepare stmt from "$q2";
+execute stmt;
+execute stmt;
+deallocate prepare stmt;
+
+let $q3=
+with cte as
+(select a from t1 where a between 4 and 7)
+(select a from t1 where a < 2)
+union
+(select a from cte where exists( select a from t1 where cte.a=t1.a ));
+
+eval $q3;
+eval prepare stmt from "$q3";
+execute stmt;
+execute stmt;
+deallocate prepare stmt;
+
+let $q4=
+with cte as
+(select a from t1 where a between 4 and 7)
+(select a from cte
+ where exists( select a from t1 where t1.a < 2 and cte.a=t1.a ))
+union
+(select a from cte where exists( select a from t1 where cte.a=t1.a ));
+
+eval $q4;
+eval prepare stmt from "$q4";
+execute stmt;
+execute stmt;
+deallocate prepare stmt;
+
+drop table t1;
+
+--echo #
+--echo # MDEV-14852: CTE using temporary table in query
+--echo # with two references to the CTE
+--echo #
+
+create temporary table t1 (i int);
+insert into t1 values (5),(4),(1),(2),(3);
+
+with
+c1 as (select i from t1),
+c2 as (select i from c1 where c1.i=2)
+select i from c1 where i > 3 union select i from c2;
+
+drop table t1;
+
+create table t1 (term char(10));
+create temporary table t2 (term char(10));
+
+insert into t1 values ('TERM01'),('TERM02'),('TERM03');
+insert into t2 values ('TERM02'),('TERM03'),('TERM04');
+
+with c1 as (select * from t1), c2 as (select * from t2)
+(select * from c1 left outer join c2 on c1.term = c2.term)
+union all
+(select * from c1 right outer join c2 on c1.term = c2.term
+ where c1.term is null);
+
+drop table t1,t2;
+
+--echo #
+--echo # MDEV-14969: view using subquery with attached CTE
+--echo #
+
+create table region (
+ r_regionkey int,
+ r_name char(25),
+ primary key (r_regionkey)
+);
+insert into region values
+(0,'AFRICA'), (1,'AMERICA'), (2,'ASIA'), (3,'EUROPE'), (4,'MIDDLE EAST');
+
+create table nation (
+ n_nationkey int,
+ n_name char(25),
+ n_regionkey int,
+ primary key (n_nationkey),
+ key i_n_regionkey (n_regionkey)
+);
+insert into nation values
+(0,'ALGERIA',0), (1,'ARGENTINA',1), (2,'BRAZIL',1), (3,'CANADA',1),
+(4,'EGYPT',4), (5,'ETHIOPIA',0), (6,'FRANCE',3), (7,'GERMANY',3),
+(8,'INDIA',2), (9,'INDONESIA',2), (10,'IRAN',4), (11,'IRAQ',4),
+(12,'JAPAN',2), (13,'JORDAN',4), (14,'KENYA',0), (15,'MOROCCO',0),
+(16,'MOZAMBIQUE',0), (17,'PERU',1), (18,'CHINA',2), (19,'ROMANIA',3),
+(20,'SAUDI ARABIA',4), (21,'VIETNAM',2), (22,'RUSSIA',3),
+(23,'UNITED KINGDOM',3), (24,'UNITED STATES',1);
+
+select * from nation n ,region r
+ where n.n_regionkey = r.r_regionkey and
+ r.r_regionkey in
+ (with t as (select * from region where r_regionkey <= 3 )
+ select r_regionkey from t where r_name <> "ASIA");
+
+create view v as
+select * from nation n ,region r
+ where n.n_regionkey = r.r_regionkey and
+ r.r_regionkey in
+ (with t as (select * from region where r_regionkey <= 3)
+ select r_regionkey from t where r_name <> "ASIA");
+
+show create view v;
+select * from v;
+
+drop view v;
+drop table region, nation;
+
+--echo #
+--echo # MDEV-15120: cte name used with database name
+--echo #
+
+--error ER_NO_SUCH_TABLE
+WITH cte AS (SELECT 1 AS a) SELECT test.cte.a FROM test.cte;
+
+CREATE DATABASE db1;
+USE db1;
+
+--error ER_NO_SUCH_TABLE
+WITH cte AS (SELECT 1 AS a) SELECT db1.cte.a FROM db1.cte;
+
+DROP DATABASE db1;
+USE test;
+
+--echo #
+--echo # MDEV-15119: CTE c2 specified after CTE c1 and is used in
+--echo # CTE c3 that is embedded into the spec of c1
+--echo #
+
+CREATE TABLE t1 (i int);
+INSERT INTO t1 VALUES (1),(2),(3);
+
+--error ER_NO_SUCH_TABLE
+WITH c1 AS (WITH c3 AS (SELECT * FROM c2) SELECT * FROM c3),
+ c2 AS (SELECT * FROM t1)
+SELECT * FROM c1;
+
+WITH RECURSIVE c1 AS (WITH c3 AS (SELECT * FROM c2) SELECT * FROM c3),
+ c2 AS (SELECT * FROM t1)
+SELECT * FROM c1;
+
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-14297: Lost name of a explicitly named CTE column used in
+--echo # the non-recursive CTE via prepared statement
+--echo #
+
+CREATE TABLE t1 (i int);
+INSERT INTO t1 VALUES (1),(2),(3);
+
+PREPARE stmt FROM "WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+PREPARE stmt FROM "CREATE VIEW v1 AS WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v1;
+DEALLOCATE PREPARE stmt;
+
+PREPARE stmt FROM "CREATE VIEW v2 AS WITH cte(a) AS (SELECT * FROM t1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v2;
+DEALLOCATE PREPARE stmt;
+
+DROP TABLE t1;
+DROP VIEW v1,v2;
+
+--echo #
+--echo # MDEV-15478: Lost name of a explicitly named CTE column used in
+--echo # the non-recursive CTE defined with UNION
+--echo #
+
+CREATE TABLE t1 (x int, y int);
+INSERT INTO t1 VALUES (1,2),(2,7),(3,3);
+
+WITH cte(a) AS (SELECT 1 UNION SELECT 2) SELECT * FROM cte;
+
+WITH cte(a) AS (SELECT 1 UNION SELECT 2) SELECT a FROM cte;
+
+WITH cte(a) AS (SELECT 1 UNION ALL SELECT 1) SELECT a FROM cte;
+
+WITH cte(a) AS (SELECT x from t1 UNION SELECT 4) SELECT a FROM cte;
+
+WITH cte(a) AS (SELECT 4 UNION SELECT x FROM t1 UNION SELECT 5)
+SELECT a FROM cte;
+
+WITH cte(a,b) AS (SELECT 4,5 UNION SELECT 4,3) SELECT a,b FROM cte;
+
+DROP TABLE t1;