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Current File : /www/server/mysql/mysql-test/suite/group_replication/t/gr_recovery_conflicting_data_failure.test
################################################################################
# This test evaluates that recovery fails properly when the donors available
# have conflicting data.
#
# The test steps are:
#   0) The test requires two servers: M1 and M2.
#   1) Bootstrap start M1. Create table t1 and insert some data for recovery.
#   2) Create table t1 on M2 before starting. Start GR on M2.
#   3) With a low number of retries watch recovery fail on M2. It should go
#      to ERROR state.
#   4) Remove the data in the joiner M2 and restart GR. All is OK. Validate
#      data.
#   5) Clean up.
################################################################################

--let $group_replication_group_name=c1ef5e40-262a-11e5-867f-0800200c9a66
--source ../inc/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--source ../inc/group_replication.inc

--echo #
--echo # Setup a new group
--echo #

--connection server1
--echo server1
--source ../inc/start_and_bootstrap_group_replication.inc

--echo # Add some data for recovery

CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);

--echo #
--echo # Add the same data to member 2 before the joining phase
--echo #

--connection server2
--echo server2

--echo # Add some data to crash recovery

CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (2);

--echo #
--echo # Start group replication on member 2 and it goes to an ERROR state
--echo #

SET SESSION sql_log_bin= 0;
call mtr.add_suppression("Slave SQL for channel 'group_replication_recovery': Error 'Table 't1' already exists'*");
call mtr.add_suppression("Slave: Table 't1' already exists*");
call mtr.add_suppression("Slave SQL for channel 'group_replication_recovery': Worker .* failed executing transaction .*; Error 'Table 't1' already exists' on query.");
call mtr.add_suppression("Slave SQL for channel 'group_replication_recovery': ... The slave coordinator and worker threads are stopped.*");
call mtr.add_suppression("Maximum number of retries when*");
call mtr.add_suppression("Fatal error during the Recovery process of Group Replication. The server will leave the group.");
call mtr.add_suppression(".*This member has more executed transactions *.*");
call mtr.add_suppression("The member contains transactions not present in the group. It is only allowed to *.*");
call mtr.add_suppression("The member is leaving a group without being on one");
call mtr.add_suppression("The member is already leaving or joining a group.");
call mtr.add_suppression("Error leaving the group");
call mtr.add_suppression("Skipping leave operation: concurrent attempt to leave the group is on-going.");
SET SESSION sql_log_bin= 1;

SET @debug_save_retries= @@GLOBAL.group_replication_recovery_retry_count;
SET GLOBAL group_replication_recovery_retry_count= 1;
SET GLOBAL group_replication_allow_local_disjoint_gtids_join= 1;
--let $group_replication_start_member_state= ERROR
--source include/start_group_replication.inc

--echo #
--echo # Remove the conflicting data and see that all goes fine now
--echo #

--source include/stop_group_replication.inc

DROP TABLE t1;

# Reset the server GTIDs so rpl_end don't blocks
RESET MASTER;

SET @@GLOBAL.group_replication_recovery_retry_count= @debug_save_retries;
SET GLOBAL group_replication_allow_local_disjoint_gtids_join= 0;

--source include/start_group_replication.inc

--let $assert_text= On the recovered member, the table should exist and have 1 elements
--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1;
--source include/assert.inc

--echo #
--echo # Cleaning up
--echo #

DROP TABLE t1;

--source ../inc/group_replication_end.inc

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