1 files changed, 120 insertions, 1 deletions
diff --git a/mysql-test/main/cte_recursive.test b/mysql-test/main/cte_recursive.test
index 109f7d73011..2e95296ef57 100644
--- a/mysql-test/main/cte_recursive.test
+++ b/mysql-test/main/cte_recursive.test
@@ -2324,7 +2324,124 @@ SELECT func();
 
 DROP FUNCTION func;
 
---echo # Start of 10.3 tests
+--echo #
+--echo # MDEV-17024: two materialized CTEs using the same recursive CTE
+--echo #
+
+create table t1 (id int);
+insert into t1 values (1), (2), (3);
+
+let $q=
+with recursive
+rcte(a) as
+(select 1 union select cast(a+1 as unsigned) from rcte where a < 10),
+cte1 as
+(select count(*) as c1 from rcte,t1 where a between 3 and 5 and id=a-3),
+cte2 as
+(select count(*) as c2 from rcte,t1 where a between 7 and 8 and id=a-7)
+select * from cte1, cte2;
+
+eval $q;
+eval explain extended $q;
+eval prepare stmt from "$q";
+execute stmt;
+execute stmt;
+
+create table t2 (c1 int, c2 int);
+eval create procedure p() insert into t2 $q;
+call p();
+select * from t2;
+
+let $q1=
+with recursive
+rcte(a) as
+(select 1 union select cast(a+1 as unsigned) from rcte where a < 10),
+cte1 as
+(select count(*) as c1 from rcte,t1 where a between 3 and 5 and id=a-3),
+cte2 as
+(select count(*) as c2 from rcte,t1 where a between 7 and 8 and id=a-7)
+select * from cte1;
+
+eval $q1;
+
+let $q2=
+with recursive
+rcte(a) as
+(select 1 union select cast(a+1 as unsigned) from rcte where a < 10),
+cte1 as
+(select count(*) as c1 from t1),
+cte2 as
+(select count(*) as c2 from t2)
+select * from cte1,cte2;
+
+eval $q2;
+
+let $q3=
+with recursive
+rcte(a) as
+(select 1 union select cast(a+1 as unsigned) from rcte where a < 10),
+cte1 as
+(select count(*) as c1 from rcte,t1 where a between 3 and 5 and id=a-3),
+cte2 as
+(select count(*) as c2 from rcte,t1 where a between 7 and 8 and id=a-7)
+select * from cte1, cte2 where cte1.c1 = 3;
+
+eval $q3;
+
+drop procedure p;
+drop table t1,t2;
+
+--echo #
+--echo # MDEV-17201: recursive part with LIMIT
+--echo #
+
+CREATE TABLE purchases (
+  id int unsigned NOT NULL AUTO_INCREMENT,
+  pdate date NOT NULL,
+  quantity int unsigned NOT NULL,
+  p_id int unsigned NOT NULL,
+  PRIMARY KEY (id)
+);
+INSERT INTO purchases(pdate, quantity, p_id) VALUES
+  ('2014-11-01',5 ,1),('2014-11-03', 3 ,1),
+  ('2014-11-01',2 ,2),('2014-11-03', 4 ,2);
+
+CREATE TABLE expired (
+  edate date NOT NULL,
+  quantity int unsigned NOT NULL,
+  p_id int unsigned NOT NULL,
+  PRIMARY KEY (edate,p_id)
+);
+
+INSERT INTO expired VALUES ('2014-11-12', 5 ,1),('2014-11-08', 1 ,2);
+
+WITH RECURSIVE expired_map AS (
+   SELECT edate AS expired_date,
+          CAST(NULL AS date) AS purchase_date,
+          0 AS quantity,
+          e.p_id,
+          (SELECT MAX(id)+1 FROM purchases p
+             WHERE pdate <= edate AND p.p_id =p_id) AS purchase_processed,
+          quantity AS unresolved
+   FROM expired e
+   UNION
+   ( SELECT expired_date,
+            pdate,
+            IF(p.quantity < m.unresolved, p.quantity, m.unresolved),
+            p.p_id,
+            p.id,
+            IF(p.quantity < m.unresolved, m.unresolved - p.quantity, 0)
+     FROM purchases p JOIN expired_map m ON p.p_id = m.p_id
+     WHERE p.id < m.purchase_processed AND m.unresolved > 0
+     ORDER BY p.id DESC
+     LIMIT 1
+   )
+)
+SELECT  * FROM expired_map;
+
+DROP TABLE purchases, expired;
+
+--echo # End of 10.2 tests
 
 --echo #
 --echo # MDEV-14217 [db crash] Recursive CTE when SELECT includes new field
@@ -2553,3 +2670,5 @@ WITH RECURSIVE cte AS
 SELECT * FROM cte;
 
 DROP TABLE t1;
+
+--echo # End of 10.3 tests