1 files changed, 36 insertions, 0 deletions
diff --git a/mysql-test/main/cte_nonrecursive.test b/mysql-test/main/cte_nonrecursive.test
index dfb14e65f2c..c748d3e70e0 100644
--- a/mysql-test/main/cte_nonrecursive.test
+++ b/mysql-test/main/cte_nonrecursive.test
@@ -1542,6 +1542,42 @@ call sp();
 drop procedure sp;
 drop table t1;
 
+--echo #
+--echo # MDEV-26825: query with two usage of CTE that refers to another CTE
+--echo #             with stored function using a base table.
+--echo #
+
+create table t1 (id int primary key);
+insert into t1 values
+(1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
+
+create  function f(in_id int) returns integer
+return (select id from t1 where t1.id = in_id);
+
+with c1 as (select id from t1 where f(id)=id group by id),
+     c2 as (select id from c1 as pt group by id)
+select id from c2 as s1 union select id from c2 as s2;
+
+with c1 as (select id from t1 as r where f(id)=id group by id),
+     c2 as (select id from c1 as pt group by id)
+select id from c2 as s1 union select id from c2 as s2;
+
+create function g() returns int return (select count(*) from t1);
+create  procedure sp1()
+
+with c1 as (select id from t1 a where g() > 10),
+     c2 as (select id from c1)
+select id from c2 as s1 union select id from c2 as s2;
+
+call sp1();
+call sp1();
+
+drop procedure sp1;
+drop function g;
+
+drop function f;
+drop table t1;
+
 --echo # End of 10.2 tests
 
 --echo #