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################################################################################
# BUG#22336669 - TIMEOUT WHILE SHUTTING DOWN THE SERVER WITH PREPARED PROCEDURES
#                RUNNING
#
# Test to check if the server hangs while a STOP GROUP_REPLICATION command is
# executed and a stored procedure is running.
#
# Test:
# 0. The test requires two servers: M1 and M2.
# 1. With both the members ONLINE. On M1 create a table and stored procedure(SP)
#    to insert 199 rows in the table created.
# 2. Set DEBUG point to hang SP at the before commit hook. Call SP and
#    simultaneously stop GR on M1.
# 3. Signal to continue_commit. Check that BUG#22336669 fixes the hang. Wait
#    for the 199 rows in the table.
# 4. Assert check that SP was executed only on M1's binary log and was logged
#    with M1's UUID. It never reached the binary log of M2. On M2 there is
#    only 5 transactions logged with group UUID.
# 5. Clean up.
################################################################################

# Setup a two server Group.
--source include/have_debug.inc
--source ../inc/have_group_replication_plugin.inc
--let $rpl_gtid_utils= 1
--source ../inc/group_replication.inc

--let $rpl_connection_name= server1
--source include/rpl_connection.inc

SET SESSION sql_log_bin= 0;
call mtr.add_suppression("Transaction cannot be executed while Group Replication is stopping.");
call mtr.add_suppression("Run function 'before_commit' in plugin 'group_replication' failed");
SET SESSION sql_log_bin= 1;

# Create a stored procedure to insert rows in the table created.
CREATE TABLE test.t1 (a INT PRIMARY KEY);
USE test;
delimiter $$;
CREATE PROCEDURE insert_into_t1()
     BEGIN
     DECLARE x INT;
     SET x=1;
     WHILE x<200 DO
     INSERT INTO t1 VALUES (x);
     SET x=x+1;
     END WHILE;
     end$$
delimiter ;$$
--source include/rpl_sync.inc
--echo

# Call the procedure and simultaneously executed STOP GROUP_REPLICATION from a
# new connection.
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET @debug_save= @@GLOBAL.DEBUG;
SET @@GLOBAL.DEBUG='d,group_replication_before_commit_hook_wait';

--send CALL insert_into_t1()

# Ensuring that the procedure actually hangs at the before commit hook.
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--let $wait_condition=SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State = 'debug sync point: now'
--source include/wait_condition.inc

# Leave group
--send STOP GROUP_REPLICATION

--let $rpl_connection_name= server_1_1
--source include/rpl_connection.inc
--let $wait_condition=SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State = 'Waiting for global read lock'
--source include/wait_condition.inc

SET DEBUG_SYNC='now SIGNAL continue_commit';
SET @@GLOBAL.DEBUG= @debug_save;

--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--error ER_RUN_HOOK_ERROR
--reap

# Wait for STOP GROUP_REPLICATION completion
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--reap
--let $group_replication_member_state= OFFLINE
--source ../inc/gr_wait_for_member_state.inc
--source include/assert_and_disable_read_only.inc

--source include/rpl_sync.inc

# Asserting that the stored procedure was executed only on the group.
--let $rows= `SELECT COUNT(*) AS count FROM t1`
--let $last_gno= `SELECT $rows + 4`
--let $assert_text= There are no local transactions.
--let $assert_cond= GTID_IS_EQUAL("[SELECT @@GLOBAL.GTID_EXECUTED]", "$group_replication_group_name:1-$last_gno")
--source include/assert.inc

--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--let $assert_text= There are no local transactions.
--let $assert_cond= GTID_IS_EQUAL("[SELECT @@GLOBAL.GTID_EXECUTED]", "$group_replication_group_name:1-$last_gno")
--source include/assert.inc

--let $diff_tables=server1:t1, server2:t1
--source include/diff_tables.inc

# Cleanup
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
DROP PROCEDURE insert_into_t1;
DROP TABLE t1;

--let $rpl_connection_name= server2
--source include/rpl_connection.inc
DROP PROCEDURE insert_into_t1;
DROP TABLE t1;
--source include/stop_group_replication.inc

--source ../inc/group_replication_end.inc