--source include/have_debug.inc
# This test crashes MySQL Server on purpose.
--source include/not_valgrind.inc
--source include/not_crashrep.inc

# Connect to all
--source connect.inc

# The variable ndb-schema-dist-timeout controls how long it takes before
# ndbcluster detects that a participant has not replied properly. The variable
# can only be set when starting MySQL Server.

# The ndb-schema-dist-timeout value should be set low for this test to avoid
# waiting on test to complete(the value is specified by <testname>.cnf file)
--echo # Current value of ndb-schema-dist-timeout
select @@ndb_schema_dist_timeout;

# Check that variable is readonly
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set @@ndb_schema_dist_timeout = 120;

--echo #
--echo # Test participant timeout during schema operation
--echo #

CREATE TABLE t1(
  a int primary key
) engine = NDB;

--echo # Setup participant to timeout when schema operation starts
connection mysqld6;
set GLOBAL debug="+d,ndb_schema_op_start_timeout";

--echo # Expect warning printed on node where schema operation is started
connection mysqld1;
call mtr.add_suppression("Schema dist coordinator detected timeout");

--echo # Run schema operation to trigger participant timeout
--replace_regex /Node [0-9]+:/Node <nodeid>/
ALTER TABLE t1 ALGORITHM=copy, ADD COLUMN b int;

--echo # Reset participant to not timeout anymore
connection mysqld6;
set GLOBAL debug="-d,ndb_schema_op_start_timeout";

--echo # Check that schema operation suceeded on another MySQL Server
connection mysqld2;
SELECT * FROM t1;

DROP TABLE t1;