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#
# MDEV-15151: function with recursive CTE using no base tables
# (duplicate of MDEV-16661)
#
connection default;
CREATE TABLE t1 (id int KEY);
INSERT INTO t1 VALUES (0), (1),(2);
CREATE OR REPLACE FUNCTION func() RETURNS int
RETURN
(
WITH recursive cte AS
(SELECT 1 a UNION SELECT cte.* FROM cte natural join t1)
SELECT * FROM cte limit 1
);
connect con1,localhost,root,,test;
SELECT func();
connect con2,localhost,root,,test;
disconnect con2;
connection con1;
disconnect con1;
connection default;
DROP FUNCTION func;
DROP TABLE t1;
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