--source include/have_partition.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
# Save the initial number of concurrent sessions.
--source include/count_sessions.inc

--echo #
--echo # Bug #43867 ALTER TABLE on a partitioned table 
--echo #            causes unnecessary deadlocks
--echo #

CREATE TABLE t1 (a int) PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (1),
 PARTITION p1 VALUES LESS THAN (2));

INSERT INTO t1 VALUES (0),(1);

connect(con1,localhost,root);

connection con1;
BEGIN;
SELECT * FROM t1;

connection default;
--error ER_PARTITION_DOES_NOT_EXIST
ALTER TABLE t1 DROP PARTITION p3;

connection con1;
--echo # This failed with deadlock and should not do so.
SELECT * FROM t1;

connection default;
disconnect con1;
DROP TABLE t1;


--echo #
--echo # Bug #46654 False deadlock on concurrent DML/DDL 
--echo #            with partitions, inconsistent behavior
--echo #

--disable_warnings
DROP TABLE IF EXISTS tbl_with_partitions;
--enable_warnings

CREATE TABLE tbl_with_partitions ( i INT ) 
	PARTITION BY HASH(i);
INSERT INTO tbl_with_partitions VALUES (1);

connect(con2,localhost,root);
connect(con3,localhost,root);

connection con3;
LOCK TABLE tbl_with_partitions READ;

--echo # Access table with disabled autocommit
connection default;
SET AUTOCOMMIT = 0;
SELECT * FROM tbl_with_partitions;

--echo # Alter table, abort after prepare
connection con2;
set session debug_dbug="+d,abort_copy_table";
--error ER_LOCK_WAIT_TIMEOUT
ALTER TABLE tbl_with_partitions ADD COLUMN f INT;

--echo # Try accessing the table after Alter aborted.
--echo # This used to give ER_LOCK_DEADLOCK.
connection default;
SELECT * FROM tbl_with_partitions;

connection con3;
UNLOCK TABLES;

--echo # Cleanup
connection default;
disconnect con2;
disconnect con3;
DROP TABLE tbl_with_partitions;

--echo #
--echo # MDEV-15465 Server crash or ASAN heap-use-after-free in Item_func_match::cleanup
--echo #            upon using FT search with partitioning.
--echo #

--connect (con1,localhost,root,,test)
CREATE OR REPLACE TABLE t1 (c CHAR(8)) ENGINE=MyISAM PARTITION BY KEY(c);

--connection default
set debug_sync= 'execute_command_after_close_tables SIGNAL opened WAIT_FOR go';
--send
DELETE FROM t1 WHERE MATCH(c) AGAINST ('foo' IN BOOLEAN MODE);

--connection con1
set debug_sync= 'now WAIT_FOR opened';
FLUSH TABLES;
set debug_sync= 'now SIGNAL go';

--connection default
--reap
set debug_sync= 'execute_command_after_close_tables SIGNAL opened WAIT_FOR go';
--send
SELECT * FROM t1 WHERE MATCH(c) AGAINST ('foo' IN BOOLEAN MODE);

--connection con1
set debug_sync= 'now WAIT_FOR opened';
FLUSH TABLES;
set debug_sync= 'now SIGNAL go';

# Cleanup
--disconnect con1
--connection default
--reap
DROP TABLE t1;
set debug_sync= 'RESET';


# Check that all connections opened by test cases in this file are really
# gone so execution of other tests won't be affected by their presence.
--source include/wait_until_count_sessions.inc