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--echo #
--echo # MDEV-28267 ASAN heap-use-after-free in Item_sp::func_name_cstring
--echo #
CREATE TABLE t1 (a INT);
CREATE FUNCTION test.f1(a INT) RETURNS TEXT RETURN '';
CREATE FUNCTION test.f2(a INT) RETURNS TEXT RETURN '';
CREATE VIEW v1 AS SELECT f1(a) AS v1 FROM t1;
CREATE VIEW v2 AS SELECT f1(a) AS v2 FROM t1;
CREATE VIEW v3 AS SELECT f1(a) AS v3 FROM t1;
CREATE VIEW v4 AS SELECT f1(a) AS v4 FROM t1;
--disable_result_log
DELIMITER $$;
--send
BEGIN NOT ATOMIC
FOR i IN 1..10
DO
ANALYZE FORMAT=JSON SELECT *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE
TABLE_SCHEMA='test'
AND
TABLE_NAME LIKE 'v%'
AND
(SLEEP(0.01)=0 OR f1(ordinal_position) >'')
ORDER BY TABLE_NAME;
END FOR;
END;
$$
DELIMITER ;$$
--connect (con1,localhost,root,,test)
CREATE OR REPLACE FUNCTION f2(a INT) RETURNS TEXT RETURN '';
--connection default
--reap
--enable_result_log
# Cleanup
--disconnect con1
--connection default
DROP FUNCTION f1;
DROP FUNCTION f2;
DROP TABLE t1;
DROP VIEW v1, v2, v3, v4;