mariadb/mysql-test/main/information_schema_tables.test

--source include/have_sequence.inc

--echo #
--echo # Start of 10.2 tests
--echo #

--echo #
--echo # MDEV-25243 ASAN heap-use-after-free in Item_func_sp::execute_impl upon concurrent view DDL and I_S query with view and function
--echo #

--echo # The originally reported non-deterministic test.
--echo # It did not fail reliably on every run.

CREATE TABLE t (a INT);
INSERT INTO t VALUES (1),(2);
CREATE FUNCTION f(b INT) RETURNS INT RETURN 1;
CREATE VIEW v AS SELECT f(SUM(a)) FROM t;
--connect (con1,localhost,root,,test)
--let $conid= `SELECT CONNECTION_ID()`
--delimiter $
--send
LOOP
  CREATE OR REPLACE VIEW vv AS SELECT 1;
END LOOP $
--delimiter ;
--connection default
# Avoid "Prepared statement needs to be re-prepared"
# Note, the code could probably eventually fixed to avoid forcing re-pepare if
# the *temporary* instance of Sp_caches (not the permanent one) was invalidated.
--disable_ps_protocol
--disable_warnings
SELECT v.* FROM v JOIN INFORMATION_SCHEMA.TABLES WHERE DATA_LENGTH = -1;
--enable_warnings
--enable_ps_protocol
# Cleanup
--replace_result $conid CONID
--eval KILL $conid
--disconnect con1
--connection default
--disable_warnings
DROP VIEW IF EXISTS vv;
--enable_warnings
DROP VIEW v;
DROP FUNCTION f;
DROP TABLE t;


--echo # The second test version from the MDEV.
--echo # It failed more reliably, but still was not deterministic.


CREATE FUNCTION f() RETURNS INT RETURN 1;
CREATE VIEW v AS SELECT f() FROM seq_1_to_10;
--send SELECT * FROM INFORMATION_SCHEMA.TABLES, v;
--connect(con1,localhost,root,,)
CREATE VIEW v2 AS SELECT 1;
--connection default
--disable_result_log
--reap
--enable_result_log
--disconnect con1
DROP VIEW v;
DROP VIEW v2;
DROP FUNCTION f;

--echo # The third test version from the MDEV.
--echo # It failed reliably, and should be deterninistic.

CREATE FUNCTION f1() RETURNS INT RETURN 1;
CREATE VIEW v01 AS SELECT f1();
CREATE VIEW v02 AS SELECT f1();

--connect(con1,localhost,root,,)
SELECT GET_LOCK('v01',30);
SELECT GET_LOCK('v02',30);
--connection default

--send
  SELECT * FROM INFORMATION_SCHEMA.TABLES
  WHERE TABLE_SCHEMA='test'
    AND TABLE_NAME LIKE 'v0%'
    AND GET_LOCK(TABLE_NAME,30)
    AND RELEASE_LOCK(TABLE_NAME)
    AND f1()=1
  ORDER BY TABLE_NAME;

--connection con1
SELECT RELEASE_LOCK('v01')                /* Let the first row evaluate f1 */;
CREATE FUNCTION f2() RETURNS INT RETURN 1 /* Invalidate SP cache*/;
SELECT RELEASE_LOCK('v02')                /* Let the second row evaluate f1() */;
DROP FUNCTION f2;
--disconnect con1
--connection default
--reap


DROP VIEW v01, v02;
DROP FUNCTION f1;

--echo #
--echo # End of 10.2 tests
--echo #