MDEV-18265: Replace deprecated variable debug to debug_dbug on Galera tests

	deleted:    mysql-test/suite/galera/r/MW-86.result
	deleted:    mysql-test/suite/galera/r/mysql-wsrep#216.result
	modified:   mysql-test/suite/galera/t/GCF-1081.test
	modified:   mysql-test/suite/galera_3nodes_sr/r/GCF-832.result
	modified:   mysql-test/suite/galera_3nodes_sr/t/GCF-810A.test
	modified:   mysql-test/suite/galera_3nodes_sr/t/GCF-810B.test
	modified:   mysql-test/suite/galera_3nodes_sr/t/GCF-810C.test
	modified:   mysql-test/suite/galera_3nodes_sr/t/GCF-832.test
	modified:   mysql-test/suite/galera_sr/r/mysql-wsrep-features#35.result
	modified:   mysql-test/suite/galera_sr/t/mysql-wsrep-features#35.test

mysql-test/suite/galera/r/MW-86.result

-connection node_2;
-connection node_1;
-connection node_2;
-SET SESSION wsrep_sync_wait = 1;
-SET GLOBAL DEBUG = "d,sync.wsrep_apply_cb";
-Warnings:
-Warning	1287	'@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead
-connection node_1;
-CREATE DATABASE db1;
-CREATE TABLE bar (f1 INTEGER) ENGINE=InnoDB;
-INSERT INTO bar VALUES (1);
-connection node_2;
-SHOW BINARY LOGS;
-SHOW BINLOG EVENTS;
-SHOW COLUMNS FROM t1;
-SHOW CREATE DATABASE db1;
-SHOW CREATE EVENT e1;
-SHOW CREATE FUNCTION f1;
-SHOW CREATE PROCEDURE p1;
-SHOW CREATE TABLE t1;
-SHOW CREATE TRIGGER tr1;
-SHOW CREATE VIEW v1;
-SHOW DATABASES;
-SHOW ENGINE InnoDB STATUS;
-SHOW FUNCTION CODE f1;
-SHOW FUNCTION STATUS;
-SHOW GRANTS FOR 'root'@'localhost';
-SHOW INDEX FROM t1;
-SHOW OPEN TABLES;
-SHOW PROCEDURE CODE p1;
-SHOW PROCEDURE STATUS;
-SHOW PRIVILEGES;
-SHOW STATUS LIKE 'wsrep_cluster_size';
-SHOW TABLE STATUS;
-SHOW TABLES;
-SHOW TRIGGERS;
-SHOW GLOBAL VARIABLES LIKE 'foo_bar';
-SHOW WARNINGS;
-SET GLOBAL DEBUG = "";
-SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
-SET SESSION wsrep_sync_wait = 8;
-DROP DATABASE db1;
-connection node_2;
-SET GLOBAL wsrep_provider_options = "repl.causal_read_timeout=PT0.1S";
-SET SESSION wsrep_sync_wait = 8;
-SET GLOBAL DEBUG = "d,sync.wsrep_apply_cb";
-connection node_1;
-CREATE TABLE q (f1 INTEGER) ENGINE=InnoDB;
-INSERT INTO q VALUES (1);
-connection node_2;
-SHOW BINARY LOGS;
-SHOW BINLOG EVENTS;
-SHOW COLUMNS FROM t1;
-SHOW CREATE DATABASE db1;
-SHOW CREATE EVENT e1;
-SHOW CREATE FUNCTION f1;
-SHOW CREATE PROCEDURE p1;
-SHOW CREATE TABLE t1;
-SHOW CREATE TRIGGER tr1;
-SHOW CREATE VIEW v1;
-SHOW DATABASES;
-SHOW ENGINE InnoDB STATUS;
-SHOW FUNCTION CODE f1;
-SHOW FUNCTION STATUS;
-SHOW GRANTS FOR 'root'@'localhost';
-SHOW INDEX FROM t1;
-SHOW OPEN TABLES;
-SHOW PROCEDURE CODE p1;
-SHOW PROCEDURE STATUS;
-SHOW PRIVILEGES;
-SHOW STATUS LIKE 'wsrep_cluster_size';
-SHOW TABLE STATUS;
-SHOW TABLES;
-SHOW TRIGGERS;
-SHOW GLOBAL VARIABLES LIKE 'foo_bar';
-SHOW WARNINGS;
-SET GLOBAL DEBUG = "";
-SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

mysql-test/suite/galera/r/mysql-wsrep#216.result

-SET GLOBAL wsrep_debug = ON;
-CREATE USER u1 IDENTIFIED BY 'plaintext_password';
-CREATE USER u1 IDENTIFIED BY 'plaintext_password';
-ERROR HY000: Operation CREATE USER failed for 'u1'@'%'
-0
-0
-2
-1
-DROP USER u1;
-CALL mtr.add_suppression('Operation CREATE USER failed');
- 
\ No newline at end of file

mysql-test/suite/galera/t/GCF-1081.test

@@ -38,7 +38,7 @@ SET SESSION wsrep_sync_wait = 0;
 
 # Issue a conflicting insert on node #2
 --connection node_1a
-SET GLOBAL DEBUG = 'd,sync.wsrep_before_BF_victim_unlock';
+SET GLOBAL debug_dbug = 'd,sync.wsrep_before_BF_victim_unlock';
 
 --connection node_2
 --send INSERT INTO t1 VALUES (2, 2);
@@ -46,7 +46,7 @@ SET GLOBAL DEBUG = 'd,sync.wsrep_before_BF_victim_unlock';
 # Wait until it BF aborts the SP
 --connection node_1a
 SET SESSION DEBUG_SYNC = 'now WAIT_FOR sync.wsrep_before_BF_victim_unlock_reached';
-SET GLOBAL DEBUG = '';
+SET GLOBAL debug_dbug = '';
 
 # Unblock the SP
 --connection node_1a

mysql-test/suite/galera_3nodes_sr/r/GCF-832.result

@@ -5,9 +5,7 @@ connection node_1;
 connection node_2;
 connection node_3;
 connection node_2;
-SET GLOBAL debug="d,crash_last_fragment_commit_after_fragment_removal";
-Warnings:
-Warning	1287	'@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead
+SET GLOBAL debug_dbug="d,crash_last_fragment_commit_after_fragment_removal";
 CREATE TABLE t1 (f1 VARCHAR(30)) ENGINE=InnoDB;
 SET AUTOCOMMIT=OFF;
 SET SESSION wsrep_trx_fragment_size=1;

mysql-test/suite/galera_3nodes_sr/t/GCF-810A.test

@@ -16,7 +16,7 @@
 
 --connection node_2
 --enable_reconnect
-SET GLOBAL debug="d,crash_last_fragment_commit_before_fragment_removal";
+SET GLOBAL debug_dbug="d,crash_last_fragment_commit_before_fragment_removal";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 
@@ -39,7 +39,7 @@ COMMIT;
 #
 
 --connection node_2
-SET GLOBAL debug="d,crash_last_fragment_commit_after_fragment_removal";
+SET GLOBAL debug_dbug="d,crash_last_fragment_commit_after_fragment_removal";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 
@@ -66,7 +66,7 @@ COMMIT;
 #
 
 # --connection node_2
-# SET GLOBAL debug="d,crash_last_fragment_commit_success";
+# SET GLOBAL debug_dbug="d,crash_last_fragment_commit_success";
 # --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 # --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 
@@ -84,7 +84,7 @@ COMMIT;
 #
 
 --connection node_2
-SET GLOBAL debug="d,crash_replicate_fragment_success";
+SET GLOBAL debug_dbug="d,crash_replicate_fragment_success";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 
@@ -102,7 +102,7 @@ COMMIT;
 #
 
 --connection node_2
-SET GLOBAL debug="d,crash_replicate_fragment_after_certify";
+SET GLOBAL debug_dbug="d,crash_replicate_fragment_after_certify";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 
@@ -120,7 +120,7 @@ COMMIT;
 #
 
 --connection node_2
-SET GLOBAL debug="d,crash_replicate_fragment_before_certify";
+SET GLOBAL debug_dbug="d,crash_replicate_fragment_before_certify";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes.inc
 

mysql-test/suite/galera_3nodes_sr/t/GCF-810B.test

@@ -15,7 +15,7 @@
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_apply_cb_before_append_frag";
+SET GLOBAL debug_dbug="d,crash_apply_cb_before_append_frag";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes2.inc
 
@@ -32,7 +32,7 @@ COMMIT;
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_apply_cb_after_append_frag";
+SET GLOBAL debug_dbug="d,crash_apply_cb_after_append_frag";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes2.inc
 

mysql-test/suite/galera_3nodes_sr/t/GCF-810C.test

@@ -16,7 +16,7 @@
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_commit_cb_last_fragment_commit_success";
+SET GLOBAL debug_dbug="d,crash_commit_cb_last_fragment_commit_success";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes3.inc
 
@@ -30,7 +30,7 @@ SET GLOBAL debug="d,crash_commit_cb_last_fragment_commit_success";
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_commit_cb_before_last_fragment_commit";
+SET GLOBAL debug_dbug="d,crash_commit_cb_before_last_fragment_commit";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes3.inc
 
@@ -44,7 +44,7 @@ SET GLOBAL debug="d,crash_commit_cb_before_last_fragment_commit";
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_apply_cb_after_fragment_removal";
+SET GLOBAL debug_dbug="d,crash_apply_cb_after_fragment_removal";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes3.inc
 
@@ -58,7 +58,7 @@ SET GLOBAL debug="d,crash_apply_cb_after_fragment_removal";
 #
 
 --connection node_3
-SET GLOBAL debug="d,crash_apply_cb_before_fragment_removal";
+SET GLOBAL debug_dbug="d,crash_apply_cb_before_fragment_removal";
 --source suite/galera_3nodes/include/galera_expect_node_crash.inc
 --source suite/galera_3nodes/include/galera_sr_crash_prepare_nodes3.inc
 

mysql-test/suite/galera_3nodes_sr/t/GCF-832.test

@@ -13,7 +13,7 @@
 --source ../galera/include/auto_increment_offset_save.inc
 
 --connection node_2
-SET GLOBAL debug="d,crash_last_fragment_commit_after_fragment_removal";
+SET GLOBAL debug_dbug="d,crash_last_fragment_commit_after_fragment_removal";
 
 --let $_server_id= `SELECT @@server_id`
 --let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect

mysql-test/suite/galera_sr/r/mysql-wsrep-features#35.result

@@ -6,9 +6,7 @@ SELECT COUNT(*) = 0 FROM t1;
 COUNT(*) = 0
 1
 SET SESSION wsrep_sync_wait = 0;
-SET GLOBAL debug = '+d,sync.wsrep_apply_cb';
-Warnings:
-Warning	1287	'@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead
+SET GLOBAL debug_dbug = '+d,sync.wsrep_apply_cb';
 connection node_1;
 SET SESSION wsrep_trx_fragment_size = 1;
 SET AUTOCOMMIT=OFF;
@@ -29,9 +27,7 @@ INSERT INTO t1 VALUES (1);;
 connection node_1;
 COMMIT;
 connection node_2a;
-SET GLOBAL debug = '';
-Warnings:
-Warning	1287	'@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead
+SET GLOBAL debug_dbug = '';
 SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
 connection node_2;
 Got one of the listed errors

mysql-test/suite/galera_sr/t/mysql-wsrep-features#35.test

@@ -9,7 +9,7 @@ CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
 --connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
 SELECT COUNT(*) = 0 FROM t1;
 SET SESSION wsrep_sync_wait = 0;
-SET GLOBAL debug = '+d,sync.wsrep_apply_cb';
+SET GLOBAL debug_dbug = '+d,sync.wsrep_apply_cb';
 
 --connection node_1
 SET SESSION wsrep_trx_fragment_size = 1;
@@ -34,7 +34,7 @@ SELECT COUNT(*) = 0 FROM t1;
 COMMIT;
 
 --connection node_2a
-SET GLOBAL debug = '';
+SET GLOBAL debug_dbug = '';
 SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
 
 --connection node_2