Merge 10.4 into 10.5

14 files changed, 646 insertions, 508 deletions

diff --git a/mysql-test/include/galera_no_debug_sync.inc b/mysql-test/include/galera_no_debug_sync.inc
new file mode 100644
index 00000000000..0819144c0b6
--- /dev/null
+++ b/mysql-test/include/galera_no_debug_sync.inc
@@ -0,0 +1,9 @@
+--disable_query_log
+
+--let $galera_have_debug_sync = `SELECT 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_debug_sync_waiters'`
+
+--if ($galera_have_debug_sync) {
+	--skip Test requires Galera debug library with no debug_sync functionality
+}
+
+--enable_query_log
diff --git a/mysql-test/main/subselect4.result b/mysql-test/main/subselect4.result
index 920fcb3f550..3bfb755120b 100644
--- a/mysql-test/main/subselect4.result
+++ b/mysql-test/main/subselect4.result
@@ -2787,6 +2787,67 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 set names default;
 set @@in_predicate_conversion_threshold= @save_in_predicate_conversion_threshold;
 DROP TABLE t1,t2;
+#
+# MDEV-24925: Server crashes in Item_subselect::init_expr_cache_tracker
+#
+CREATE TABLE t1 (id INT PRIMARY KEY);
+INSERT INTO t1 VALUES (1),(2);
+SELECT
+1 IN (
+SELECT
+(SELECT COUNT(id)
+FROM t1
+WHERE t1_outer.id <> id
+) AS f
+FROM
+t1 AS t1_outer
+GROUP BY f
+);
+1 IN (
+SELECT
+(SELECT COUNT(id)
+FROM t1
+WHERE t1_outer.id <> id
+) AS f
+FROM
+t1 AS t1_outer
+GROUP BY f
+)
+1
+SELECT
+1 IN (
+SELECT
+(SELECT COUNT(id)
+FROM t1
+WHERE t1_outer.id <> id
+) AS f
+FROM
+t1 AS t1_outer
+GROUP BY 1
+);
+1 IN (
+SELECT
+(SELECT COUNT(id)
+FROM t1
+WHERE t1_outer.id <> id
+) AS f
+FROM
+t1 AS t1_outer
+GROUP BY 1
+)
+1
+DROP TABLE t1;
+#
+#  MDEV-24898: Server crashes in st_select_lex::next_select / Item_subselect::is_expensive
+#  (Testcase)
+#
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (b INT);
+INSERT INTO t2 VALUES (3),(4);
+SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x);
+ERROR 21000: Subquery returns more than 1 row
+drop table t1,t2;
 # End of 10.3 tests
 #
 # MDEV-19134: EXISTS() slower if ORDER BY is defined
diff --git a/mysql-test/main/subselect4.test b/mysql-test/main/subselect4.test
index 07d6623bc4a..a1a4108de37 100644
--- a/mysql-test/main/subselect4.test
+++ b/mysql-test/main/subselect4.test
@@ -2310,6 +2310,51 @@ set names default;
 set @@in_predicate_conversion_threshold= @save_in_predicate_conversion_threshold;
 DROP TABLE t1,t2;
 
+--echo #
+--echo # MDEV-24925: Server crashes in Item_subselect::init_expr_cache_tracker
+--echo #
+CREATE TABLE t1 (id INT PRIMARY KEY);
+INSERT INTO t1 VALUES (1),(2);
+
+SELECT
+  1 IN (
+    SELECT
+      (SELECT COUNT(id)
+       FROM t1
+       WHERE t1_outer.id <> id
+       ) AS f
+    FROM
+      t1 AS t1_outer
+    GROUP BY f
+  );
+
+SELECT
+  1 IN (
+    SELECT
+      (SELECT COUNT(id)
+       FROM t1
+       WHERE t1_outer.id <> id
+       ) AS f
+    FROM
+      t1 AS t1_outer
+    GROUP BY 1
+  );
+
+DROP TABLE t1;
+
+--echo #
+--echo #  MDEV-24898: Server crashes in st_select_lex::next_select / Item_subselect::is_expensive
+--echo #  (Testcase)
+--echo #
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2); # Optional, fails either way
+CREATE TABLE t2 (b INT);
+INSERT INTO t2 VALUES (3),(4); # Optional, fails either way
+
+--error ER_SUBQUERY_NO_1_ROW
+SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x);
+drop table t1,t2;
+
 --echo # End of 10.3 tests
 
 --echo #
diff --git a/mysql-test/suite/innodb/r/default_row_format_alter.result b/mysql-test/suite/innodb/r/default_row_format_alter.result
index 363954c1a6c..fa5adb32fb0 100644
--- a/mysql-test/suite/innodb/r/default_row_format_alter.result
+++ b/mysql-test/suite/innodb/r/default_row_format_alter.result
@@ -83,6 +83,16 @@ Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	I
 t1	InnoDB	#	Compact	#	#	#	#	#	#	NULL	#	#	NULL	latin1_swedish_ci	NULL			0	N
 DROP TABLE t1;
 #
+# MDEV-24758 heap-use-after-poison in innobase_add_instant_try/rec_copy
+#
+CREATE TABLE t1 (pk INT PRIMARY KEY) CHARACTER SET utf8 ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1);
+SET GLOBAL innodb_default_row_format = REDUNDANT;
+ALTER TABLE t1 ADD a CHAR(8) DEFAULT '';
+DROP TABLE t1;
+SET GLOBAL innodb_default_row_format = @row_format;
+# End of 10.3 tests
+#
 # MDEV-23295 Assertion fields[i].same(instant.fields[i]) failed
 #
 SET GLOBAL innodb_default_row_format = @row_format;
@@ -104,4 +114,5 @@ SELECT ROW_FORMAT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
 ROW_FORMAT
 Dynamic
 DROP TABLE t1;
+# End of 10.4 tests
 SET GLOBAL innodb_default_row_format = @row_format;
diff --git a/mysql-test/suite/innodb/t/default_row_format_alter.test b/mysql-test/suite/innodb/t/default_row_format_alter.test
index 1f0b0d56bc4..7cd4d672858 100644
--- a/mysql-test/suite/innodb/t/default_row_format_alter.test
+++ b/mysql-test/suite/innodb/t/default_row_format_alter.test
@@ -97,6 +97,19 @@ SHOW TABLE STATUS LIKE 't1';
 DROP TABLE t1;
 
 --echo #
+--echo # MDEV-24758 heap-use-after-poison in innobase_add_instant_try/rec_copy
+--echo #
+
+CREATE TABLE t1 (pk INT PRIMARY KEY) CHARACTER SET utf8 ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1);
+SET GLOBAL innodb_default_row_format = REDUNDANT;
+ALTER TABLE t1 ADD a CHAR(8) DEFAULT '';
+DROP TABLE t1;
+SET GLOBAL innodb_default_row_format = @row_format;
+
+--echo # End of 10.3 tests
+
+--echo #
 --echo # MDEV-23295 Assertion fields[i].same(instant.fields[i]) failed
 --echo #
 SET GLOBAL innodb_default_row_format = @row_format;
@@ -116,4 +129,6 @@ ALTER TABLE t1 DROP b;
 SELECT ROW_FORMAT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
 DROP TABLE t1;
 
+--echo # End of 10.4 tests
+
 SET GLOBAL innodb_default_row_format = @row_format;
diff --git a/mysql-test/suite/rpl/r/rpl_semi_sync_slave_compressed_protocol.result b/mysql-test/suite/rpl/r/rpl_semi_sync_slave_compressed_protocol.result
new file mode 100644
index 00000000000..b0fe083f928
--- /dev/null
+++ b/mysql-test/suite/rpl/r/rpl_semi_sync_slave_compressed_protocol.result
@@ -0,0 +1,19 @@
+include/master-slave.inc
+[connection master]
+SET @@GLOBAL.rpl_semi_sync_master_enabled = 1;
+connection slave;
+include/stop_slave.inc
+SET @@GLOBAL.rpl_semi_sync_slave_enabled = 1;
+include/start_slave.inc
+connection master;
+CREATE TABLE t1 (i INT);
+DROP TABLE t1;
+include/rpl_sync.inc
+include/assert_grep.inc [Check that there is no 'Read semi-sync reply magic number error' in error log.]
+connection master;
+SET @@GLOBAL. rpl_semi_sync_master_enabled = $sav_enabled_master;
+connection slave;
+include/stop_slave.inc
+SET @@GLOBAL. rpl_semi_sync_slave_enabled = $sav_enabled_slave;
+include/start_slave.inc
+include/rpl_end.inc
diff --git a/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol-slave.opt b/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol-slave.opt
new file mode 100644
index 00000000000..a1b687d691e
--- /dev/null
+++ b/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol-slave.opt
@@ -0,0 +1 @@
+--slave_compressed_protocol
diff --git a/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol.test b/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol.test
new file mode 100644
index 00000000000..bc05bec2a96
--- /dev/null
+++ b/mysql-test/suite/rpl/t/rpl_semi_sync_slave_compressed_protocol.test
@@ -0,0 +1,55 @@
+################################################################################
+# Bug#26027024 SLAVE_COMPRESSED_PROTOCOL DOESN'T WORK WITH SEMI-SYNC
+# REPLICATION IN MYSQL-5.7
+#
+# Steps to reproduce:
+#  1) Set slave_compressed_protocol ON on Slave.
+#  2) Do some sample work on Master
+#  3) After the work is synced on Slave, check that there is no error
+#     (Read semi-sync reply magic number error) on Slave.
+#  4) Cleanup
+################################################################################
+# Test is independent of Binlog format. One of the three formats is enough
+# for testing. Choosing 'Row' format.
+--source include/have_binlog_format_row.inc
+--source include/master-slave.inc
+
+--let $sav_enabled_master=`SELECT @@GLOBAL.rpl_semi_sync_master_enabled `
+SET @@GLOBAL.rpl_semi_sync_master_enabled = 1;
+
+--connection slave
+source include/stop_slave.inc;
+--let $sav_enabled_slave=`SELECT @@GLOBAL.rpl_semi_sync_slave_enabled `
+SET @@GLOBAL.rpl_semi_sync_slave_enabled = 1;
+source include/start_slave.inc;
+
+--connection master
+# Do some sample work on Master with slave_compressed_protocol ON.
+# (slave_compressed_protocol is set to ON in -slave.opt file of this test.)
+CREATE TABLE t1 (i INT);
+DROP TABLE t1;
+
+# Make sure sync is done, so that next 'assert' step can be executed without
+# any issues.
+--source include/rpl_sync.inc
+
+# Without the fix, the test would have generated few
+# errors in the error log. With the fix, test will
+# pass without any errors in the error log.
+--let $assert_text= Check that there is no 'Read semi-sync reply magic number error' in error log.
+--let $assert_select=Read semi-sync reply magic number error
+--let $assert_file= $MYSQLTEST_VARDIR/log/mysqld.1.err
+--let $assert_count= 0
+--let $assert_only_after = CURRENT_TEST:rpl.rpl_semi_sync_slave_compressed_protocol.test
+--source include/assert_grep.inc
+
+--connection master
+--evalp SET @@GLOBAL. rpl_semi_sync_master_enabled = $sav_enabled_master
+
+--connection slave
+source include/stop_slave.inc;
+--evalp SET @@GLOBAL. rpl_semi_sync_slave_enabled = $sav_enabled_slave
+source include/start_slave.inc;
+
+# Cleanup
+--source include/rpl_end.inc
diff --git a/mysql-test/suite/sql_sequence/concurrent_create.result b/mysql-test/suite/sql_sequence/concurrent_create.result
index 7e68195f7e0..2473abef37d 100644
--- a/mysql-test/suite/sql_sequence/concurrent_create.result
+++ b/mysql-test/suite/sql_sequence/concurrent_create.result
@@ -31,3 +31,16 @@ connection con1;
 disconnect con1;
 connection default;
 DROP TABLE s1,s2;
+CREATE TABLE t1 (a INT) ENGINE=InnoDB;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+connect  con1,localhost,root,,test;
+CREATE SEQUENCE s1 ENGINE=InnoDB;
+FLUSH TABLES;
+disconnect con1;
+connection default;
+SELECT NEXTVAL(s1);
+NEXTVAL(s1)
+1
+COMMIT;
+DROP TABLE t1;
+DROP SEQUENCE s1;
diff --git a/mysql-test/suite/sql_sequence/concurrent_create.test b/mysql-test/suite/sql_sequence/concurrent_create.test
index d6a57ff7d50..b27a6d3bdb9 100644
--- a/mysql-test/suite/sql_sequence/concurrent_create.test
+++ b/mysql-test/suite/sql_sequence/concurrent_create.test
@@ -56,3 +56,22 @@ FLUSH TABLES;
 --connection default
 
 DROP TABLE s1,s2;
+
+#
+# MDEV-24545 Sequence created by one connection remains invisible to another
+#
+CREATE TABLE t1 (a INT) ENGINE=InnoDB;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+
+--connect (con1,localhost,root,,test)
+CREATE SEQUENCE s1 ENGINE=InnoDB;
+FLUSH TABLES;
+--disconnect con1
+
+--connection default
+SELECT NEXTVAL(s1);
+COMMIT;
+
+# Cleanup
+DROP TABLE t1;
+DROP SEQUENCE s1;
diff --git a/mysql-test/suite/wsrep/r/variables.result b/mysql-test/suite/wsrep/r/variables.result
index df7ca3787aa..97fabd58de6 100644
--- a/mysql-test/suite/wsrep/r/variables.result
+++ b/mysql-test/suite/wsrep/r/variables.result
@@ -1,94 +1,156 @@
-call mtr.add_suppression("WSREP: Initial position was provided by configuration or SST, avoiding override");
-SET @wsrep_provider_options_saved= @@global.wsrep_provider_options;
-SET @wsrep_cluster_address_saved= @@global.wsrep_cluster_address;
-
-# MDEV#5534: mysql_tzinfo_to_sql generates wrong query
-#
-# Testing wsrep_replicate_myisam variable.
-SELECT @@session.wsrep_replicate_myisam;
-ERROR HY000: Variable 'wsrep_replicate_myisam' is a GLOBAL variable
-SELECT @@global.wsrep_replicate_myisam;
-@@global.wsrep_replicate_myisam
-0
-SET SESSION wsrep_replicate_myisam= ON;
-ERROR HY000: Variable 'wsrep_replicate_myisam' is a GLOBAL variable and should be set with SET GLOBAL
-SET GLOBAL wsrep_replicate_myisam= ON;
-SET GLOBAL wsrep_replicate_myisam= OFF;
+# Correct Galera library found
 #
 # MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
 # variables when using "_"
 #
 CALL mtr.add_suppression("WSREP: Could not open saved state file for reading.*");
-SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
+SHOW GLOBAL STATUS LIKE 'wsrep%';
 Variable_name	Value
+wsrep_local_state_uuid	#
+wsrep_protocol_version	#
+wsrep_last_committed	#
+wsrep_replicated	#
+wsrep_replicated_bytes	#
+wsrep_repl_keys	#
+wsrep_repl_keys_bytes	#
+wsrep_repl_data_bytes	#
+wsrep_repl_other_bytes	#
+wsrep_received	#
+wsrep_received_bytes	#
+wsrep_local_commits	#
+wsrep_local_cert_failures	#
+wsrep_local_replays	#
+wsrep_local_send_queue	#
+wsrep_local_send_queue_max	#
+wsrep_local_send_queue_min	#
+wsrep_local_send_queue_avg	#
+wsrep_local_recv_queue	#
+wsrep_local_recv_queue_max	#
+wsrep_local_recv_queue_min	#
+wsrep_local_recv_queue_avg	#
+wsrep_local_cached_downto	#
+wsrep_flow_control_paused_ns	#
+wsrep_flow_control_paused	#
+wsrep_flow_control_sent	#
+wsrep_flow_control_recv	#
+wsrep_flow_control_active	#
+wsrep_flow_control_requested	#
+wsrep_cert_deps_distance	#
+wsrep_apply_oooe	#
+wsrep_apply_oool	#
+wsrep_apply_window	#
+wsrep_commit_oooe	#
+wsrep_commit_oool	#
+wsrep_commit_window	#
+wsrep_local_state	#
 wsrep_local_state_comment	#
-# Should show nothing.
-SHOW STATUS LIKE 'x';
-Variable_name	Value
+wsrep_cert_index_size	#
+wsrep_causal_reads	#
+wsrep_cert_interval	#
+wsrep_open_transactions	#
+wsrep_open_connections	#
+wsrep_incoming_addresses	#
+wsrep_cluster_weight	#
+wsrep_desync_count	#
+wsrep_evs_delayed	#
+wsrep_evs_evict_list	#
+wsrep_evs_repl_latency	#
+wsrep_evs_state	#
+wsrep_gcomm_uuid	#
+wsrep_gmcast_segment	#
+wsrep_applier_thread_count	#
+wsrep_cluster_capabilities	#
+wsrep_cluster_conf_id	#
+wsrep_cluster_size	#
+wsrep_cluster_state_uuid	#
+wsrep_cluster_status	#
+wsrep_connected	#
+wsrep_local_bf_aborts	#
+wsrep_local_index	#
+wsrep_provider_capabilities	#
+wsrep_provider_name	#
+wsrep_provider_vendor	#
+wsrep_provider_version	#
+wsrep_ready	#
+wsrep_rollbacker_thread_count	#
+wsrep_thread_count	#
 
-SHOW STATUS LIKE 'wsrep_local_state_uuid';
+SHOW GLOBAL STATUS LIKE 'wsrep_%';
 Variable_name	Value
 wsrep_local_state_uuid	#
-
-SHOW STATUS LIKE 'wsrep_last_committed';
-Variable_name	Value
+wsrep_protocol_version	#
 wsrep_last_committed	#
-
-#
-# MDEV#6206: wsrep_slave_threads subtracts from max_connections
-#
-call mtr.add_suppression("WSREP: Failed to get provider options");
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
-SELECT @@global.wsrep_slave_threads;
-@@global.wsrep_slave_threads
-1
-SELECT @@global.wsrep_cluster_address;
-@@global.wsrep_cluster_address
-gcomm://
-SELECT @@global.wsrep_on;
-@@global.wsrep_on
-1
-SHOW STATUS LIKE 'threads_connected';
-Variable_name	Value
-Threads_connected	1
-SHOW STATUS LIKE 'wsrep_thread_count';
-Variable_name	Value
-wsrep_thread_count	2
-
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
-SELECT @@global.wsrep_cluster_address;
-@@global.wsrep_cluster_address
-gcomm://
-SELECT @@global.wsrep_on;
-@@global.wsrep_on
-1
-SHOW STATUS LIKE 'threads_connected';
+wsrep_replicated	#
+wsrep_replicated_bytes	#
+wsrep_repl_keys	#
+wsrep_repl_keys_bytes	#
+wsrep_repl_data_bytes	#
+wsrep_repl_other_bytes	#
+wsrep_received	#
+wsrep_received_bytes	#
+wsrep_local_commits	#
+wsrep_local_cert_failures	#
+wsrep_local_replays	#
+wsrep_local_send_queue	#
+wsrep_local_send_queue_max	#
+wsrep_local_send_queue_min	#
+wsrep_local_send_queue_avg	#
+wsrep_local_recv_queue	#
+wsrep_local_recv_queue_max	#
+wsrep_local_recv_queue_min	#
+wsrep_local_recv_queue_avg	#
+wsrep_local_cached_downto	#
+wsrep_flow_control_paused_ns	#
+wsrep_flow_control_paused	#
+wsrep_flow_control_sent	#
+wsrep_flow_control_recv	#
+wsrep_flow_control_active	#
+wsrep_flow_control_requested	#
+wsrep_cert_deps_distance	#
+wsrep_apply_oooe	#
+wsrep_apply_oool	#
+wsrep_apply_window	#
+wsrep_commit_oooe	#
+wsrep_commit_oool	#
+wsrep_commit_window	#
+wsrep_local_state	#
+wsrep_local_state_comment	#
+wsrep_cert_index_size	#
+wsrep_causal_reads	#
+wsrep_cert_interval	#
+wsrep_open_transactions	#
+wsrep_open_connections	#
+wsrep_incoming_addresses	#
+wsrep_cluster_weight	#
+wsrep_desync_count	#
+wsrep_evs_delayed	#
+wsrep_evs_evict_list	#
+wsrep_evs_repl_latency	#
+wsrep_evs_state	#
+wsrep_gcomm_uuid	#
+wsrep_gmcast_segment	#
+wsrep_applier_thread_count	#
+wsrep_cluster_capabilities	#
+wsrep_cluster_conf_id	#
+wsrep_cluster_size	#
+wsrep_cluster_state_uuid	#
+wsrep_cluster_status	#
+wsrep_connected	#
+wsrep_local_bf_aborts	#
+wsrep_local_index	#
+wsrep_provider_capabilities	#
+wsrep_provider_name	#
+wsrep_provider_vendor	#
+wsrep_provider_version	#
+wsrep_ready	#
+wsrep_rollbacker_thread_count	#
+wsrep_thread_count	#
+SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
 Variable_name	Value
-Threads_connected	1
-SHOW STATUS LIKE 'wsrep_thread_count';
+wsrep_local_state_comment	#
+# Should show nothing.
+SHOW STATUS LIKE 'x';
 Variable_name	Value
-wsrep_thread_count	2
-
-# Setting wsrep_cluster_address triggers the creation of
-# applier/rollbacker threads.
-# Wait for applier thread to get created 1.
-# Wait for applier thread to get created 2.
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-EXPECT_2
-2
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
 SELECT @@global.wsrep_cluster_address;
 @@global.wsrep_cluster_address
 gcomm://
@@ -101,38 +163,112 @@ Threads_connected	1
 SHOW STATUS LIKE 'wsrep_thread_count';
 Variable_name	Value
 wsrep_thread_count	2
-
-SET @wsrep_slave_threads_saved= @@global.wsrep_slave_threads;
-SET GLOBAL wsrep_slave_threads= 10;
-# Wait for 9 applier threads to get created.
-SELECT VARIABLE_VALUE AS EXPECT_10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-EXPECT_10
-10
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_11 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-EXPECT_11
-11
-SHOW STATUS LIKE 'threads_connected';
-Variable_name	Value
-Threads_connected	1
-set wsrep_on=0;
-set wsrep_on=1;
-create user test@localhost;
-connect con1,localhost,test;
-set auto_increment_increment=10;
-set wsrep_on=0;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-disconnect con1;
-connection default;
-drop user test@localhost;
-#
-# MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
-#
-SET @wsrep_sst_auth_saved= @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= 'user:pass';
-SET @@global.wsrep_sst_auth= '';
-SET @@global.wsrep_sst_auth= NULL;
-SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
-# End of test.
+# variables
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+EXPECT_49
+49
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+EXPECT_49
+49
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+VARIABLE_NAME
+WSREP_AUTO_INCREMENT_CONTROL
+WSREP_CAUSAL_READS
+WSREP_CERTIFICATION_RULES
+WSREP_CERTIFY_NONPK
+WSREP_CLUSTER_ADDRESS
+WSREP_CLUSTER_NAME
+WSREP_CONVERT_LOCK_TO_TRX
+WSREP_DATA_HOME_DIR
+WSREP_DBUG_OPTION
+WSREP_DEBUG
+WSREP_DESYNC
+WSREP_DIRTY_READS
+WSREP_DRUPAL_282555_WORKAROUND
+WSREP_FORCED_BINLOG_FORMAT
+WSREP_GTID_DOMAIN_ID
+WSREP_GTID_MODE
+WSREP_IGNORE_APPLY_ERRORS
+WSREP_LOAD_DATA_SPLITTING
+WSREP_LOG_CONFLICTS
+WSREP_MAX_WS_ROWS
+WSREP_MAX_WS_SIZE
+WSREP_MYSQL_REPLICATION_BUNDLE
+WSREP_NODE_ADDRESS
+WSREP_NODE_INCOMING_ADDRESS
+WSREP_NODE_NAME
+WSREP_NOTIFY_CMD
+WSREP_ON
+WSREP_OSU_METHOD
+WSREP_PATCH_VERSION
+WSREP_PROVIDER
+WSREP_PROVIDER_OPTIONS
+WSREP_RECOVER
+WSREP_REJECT_QUERIES
+WSREP_REPLICATE_MYISAM
+WSREP_RESTART_SLAVE
+WSREP_RETRY_AUTOCOMMIT
+WSREP_SLAVE_FK_CHECKS
+WSREP_SLAVE_THREADS
+WSREP_SLAVE_UK_CHECKS
+WSREP_SR_STORE
+WSREP_SST_AUTH
+WSREP_SST_DONOR
+WSREP_SST_DONOR_REJECTS_QUERIES
+WSREP_SST_METHOD
+WSREP_SST_RECEIVE_ADDRESS
+WSREP_START_POSITION
+WSREP_SYNC_WAIT
+WSREP_TRX_FRAGMENT_SIZE
+WSREP_TRX_FRAGMENT_UNIT
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+VARIABLE_NAME
+WSREP_AUTO_INCREMENT_CONTROL
+WSREP_CAUSAL_READS
+WSREP_CERTIFICATION_RULES
+WSREP_CERTIFY_NONPK
+WSREP_CLUSTER_ADDRESS
+WSREP_CLUSTER_NAME
+WSREP_CONVERT_LOCK_TO_TRX
+WSREP_DATA_HOME_DIR
+WSREP_DBUG_OPTION
+WSREP_DEBUG
+WSREP_DESYNC
+WSREP_DIRTY_READS
+WSREP_DRUPAL_282555_WORKAROUND
+WSREP_FORCED_BINLOG_FORMAT
+WSREP_GTID_DOMAIN_ID
+WSREP_GTID_MODE
+WSREP_IGNORE_APPLY_ERRORS
+WSREP_LOAD_DATA_SPLITTING
+WSREP_LOG_CONFLICTS
+WSREP_MAX_WS_ROWS
+WSREP_MAX_WS_SIZE
+WSREP_MYSQL_REPLICATION_BUNDLE
+WSREP_NODE_ADDRESS
+WSREP_NODE_INCOMING_ADDRESS
+WSREP_NODE_NAME
+WSREP_NOTIFY_CMD
+WSREP_ON
+WSREP_OSU_METHOD
+WSREP_PATCH_VERSION
+WSREP_PROVIDER
+WSREP_PROVIDER_OPTIONS
+WSREP_RECOVER
+WSREP_REJECT_QUERIES
+WSREP_REPLICATE_MYISAM
+WSREP_RESTART_SLAVE
+WSREP_RETRY_AUTOCOMMIT
+WSREP_SLAVE_FK_CHECKS
+WSREP_SLAVE_THREADS
+WSREP_SLAVE_UK_CHECKS
+WSREP_SR_STORE
+WSREP_SST_AUTH
+WSREP_SST_DONOR
+WSREP_SST_DONOR_REJECTS_QUERIES
+WSREP_SST_METHOD
+WSREP_SST_RECEIVE_ADDRESS
+WSREP_START_POSITION
+WSREP_SYNC_WAIT
+WSREP_TRX_FRAGMENT_SIZE
+WSREP_TRX_FRAGMENT_UNIT
diff --git a/mysql-test/suite/wsrep/r/variables_debug.result b/mysql-test/suite/wsrep/r/variables_debug.result
index 886325acf53..9a140f26ec3 100644
--- a/mysql-test/suite/wsrep/r/variables_debug.result
+++ b/mysql-test/suite/wsrep/r/variables_debug.result
@@ -1,20 +1,4 @@
-call mtr.add_suppression("WSREP: Initial position was provided by configuration or SST, avoiding override");
-SET @wsrep_provider_options_saved= @@global.wsrep_provider_options;
-SET @wsrep_cluster_address_saved= @@global.wsrep_cluster_address;
-
-# MDEV#5534: mysql_tzinfo_to_sql generates wrong query
-#
-# Testing wsrep_replicate_myisam variable.
-SELECT @@session.wsrep_replicate_myisam;
-ERROR HY000: Variable 'wsrep_replicate_myisam' is a GLOBAL variable
-SELECT @@global.wsrep_replicate_myisam;
-@@global.wsrep_replicate_myisam
-0
-SET SESSION wsrep_replicate_myisam= ON;
-ERROR HY000: Variable 'wsrep_replicate_myisam' is a GLOBAL variable and should be set with SET GLOBAL
-SET GLOBAL wsrep_replicate_myisam= ON;
-SET GLOBAL wsrep_replicate_myisam= OFF;
-SET GLOBAL wsrep_provider=none;
+# Correct Galera library found
 #
 # MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
 # variables when using "_"
@@ -66,7 +50,15 @@ wsrep_cert_interval	#
 wsrep_open_transactions	#
 wsrep_open_connections	#
 wsrep_incoming_addresses	#
+wsrep_cluster_weight	#
 wsrep_debug_sync_waiters	#
+wsrep_desync_count	#
+wsrep_evs_delayed	#
+wsrep_evs_evict_list	#
+wsrep_evs_repl_latency	#
+wsrep_evs_state	#
+wsrep_gcomm_uuid	#
+wsrep_gmcast_segment	#
 wsrep_applier_thread_count	#
 wsrep_cluster_capabilities	#
 wsrep_cluster_conf_id	#
@@ -130,7 +122,15 @@ wsrep_cert_interval	#
 wsrep_open_transactions	#
 wsrep_open_connections	#
 wsrep_incoming_addresses	#
+wsrep_cluster_weight	#
 wsrep_debug_sync_waiters	#
+wsrep_desync_count	#
+wsrep_evs_delayed	#
+wsrep_evs_evict_list	#
+wsrep_evs_repl_latency	#
+wsrep_evs_state	#
+wsrep_gcomm_uuid	#
+wsrep_gmcast_segment	#
 wsrep_applier_thread_count	#
 wsrep_cluster_capabilities	#
 wsrep_cluster_conf_id	#
@@ -153,73 +153,6 @@ wsrep_local_state_comment	#
 # Should show nothing.
 SHOW STATUS LIKE 'x';
 Variable_name	Value
-SET GLOBAL wsrep_provider=none;
-
-SHOW STATUS LIKE 'wsrep_local_state_uuid';
-Variable_name	Value
-wsrep_local_state_uuid	#
-
-SHOW STATUS LIKE 'wsrep_last_committed';
-Variable_name	Value
-wsrep_last_committed	#
-SET GLOBAL wsrep_provider=none;
-
-#
-# MDEV#6206: wsrep_slave_threads subtracts from max_connections
-#
-call mtr.add_suppression("WSREP: Failed to get provider options");
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
-SELECT @@global.wsrep_slave_threads;
-@@global.wsrep_slave_threads
-1
-SELECT @@global.wsrep_cluster_address;
-@@global.wsrep_cluster_address
-
-SELECT @@global.wsrep_on;
-@@global.wsrep_on
-1
-SHOW STATUS LIKE 'threads_connected';
-Variable_name	Value
-Threads_connected	1
-SHOW STATUS LIKE 'wsrep_thread_count';
-Variable_name	Value
-wsrep_thread_count	0
-
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
-SELECT @@global.wsrep_cluster_address;
-@@global.wsrep_cluster_address
-
-SELECT @@global.wsrep_on;
-@@global.wsrep_on
-1
-SHOW STATUS LIKE 'threads_connected';
-Variable_name	Value
-Threads_connected	1
-SHOW STATUS LIKE 'wsrep_thread_count';
-Variable_name	Value
-wsrep_thread_count	0
-
-# Setting wsrep_cluster_address triggers the creation of
-# applier/rollbacker threads.
-SET GLOBAL wsrep_cluster_address= 'gcomm://';
-# Wait for applier thread to get created 1.
-# Wait for applier thread to get created 2.
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-EXPECT_2
-2
-SELECT @@global.wsrep_provider;
-@@global.wsrep_provider
-libgalera_smm.so
 SELECT @@global.wsrep_cluster_address;
 @@global.wsrep_cluster_address
 gcomm://
@@ -232,47 +165,112 @@ Threads_connected	1
 SHOW STATUS LIKE 'wsrep_thread_count';
 Variable_name	Value
 wsrep_thread_count	2
-
-SET @wsrep_slave_threads_saved= @@global.wsrep_slave_threads;
-SET GLOBAL wsrep_slave_threads= 10;
-# Wait for 9 applier threads to get created.
-SELECT VARIABLE_VALUE AS EXPECT_10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-EXPECT_10
-10
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-EXPECT_1
-1
-SELECT VARIABLE_VALUE AS EXPECT_11 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-EXPECT_11
-11
-SHOW STATUS LIKE 'threads_connected';
-Variable_name	Value
-Threads_connected	1
-set wsrep_on=0;
-set wsrep_on=1;
-create user test@localhost;
-connect con1,localhost,test;
-set auto_increment_increment=10;
-set wsrep_on=0;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-disconnect con1;
-connection default;
-drop user test@localhost;
-#
-# MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
-#
-SET @wsrep_sst_auth_saved= @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= 'user:pass';
-SELECT @@global.wsrep_sst_auth;
-@@global.wsrep_sst_auth
-********
-SET @@global.wsrep_sst_auth= '';
-SELECT @@global.wsrep_sst_auth;
-@@global.wsrep_sst_auth
-
-SET @@global.wsrep_sst_auth= NULL;
-SELECT @@global.wsrep_sst_auth;
-@@global.wsrep_sst_auth
-NULL
-SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
-# End of test.
+# variables
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+EXPECT_49
+49
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+EXPECT_49
+49
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+VARIABLE_NAME
+WSREP_AUTO_INCREMENT_CONTROL
+WSREP_CAUSAL_READS
+WSREP_CERTIFICATION_RULES
+WSREP_CERTIFY_NONPK
+WSREP_CLUSTER_ADDRESS
+WSREP_CLUSTER_NAME
+WSREP_CONVERT_LOCK_TO_TRX
+WSREP_DATA_HOME_DIR
+WSREP_DBUG_OPTION
+WSREP_DEBUG
+WSREP_DESYNC
+WSREP_DIRTY_READS
+WSREP_DRUPAL_282555_WORKAROUND
+WSREP_FORCED_BINLOG_FORMAT
+WSREP_GTID_DOMAIN_ID
+WSREP_GTID_MODE
+WSREP_IGNORE_APPLY_ERRORS
+WSREP_LOAD_DATA_SPLITTING
+WSREP_LOG_CONFLICTS
+WSREP_MAX_WS_ROWS
+WSREP_MAX_WS_SIZE
+WSREP_MYSQL_REPLICATION_BUNDLE
+WSREP_NODE_ADDRESS
+WSREP_NODE_INCOMING_ADDRESS
+WSREP_NODE_NAME
+WSREP_NOTIFY_CMD
+WSREP_ON
+WSREP_OSU_METHOD
+WSREP_PATCH_VERSION
+WSREP_PROVIDER
+WSREP_PROVIDER_OPTIONS
+WSREP_RECOVER
+WSREP_REJECT_QUERIES
+WSREP_REPLICATE_MYISAM
+WSREP_RESTART_SLAVE
+WSREP_RETRY_AUTOCOMMIT
+WSREP_SLAVE_FK_CHECKS
+WSREP_SLAVE_THREADS
+WSREP_SLAVE_UK_CHECKS
+WSREP_SR_STORE
+WSREP_SST_AUTH
+WSREP_SST_DONOR
+WSREP_SST_DONOR_REJECTS_QUERIES
+WSREP_SST_METHOD
+WSREP_SST_RECEIVE_ADDRESS
+WSREP_START_POSITION
+WSREP_SYNC_WAIT
+WSREP_TRX_FRAGMENT_SIZE
+WSREP_TRX_FRAGMENT_UNIT
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+VARIABLE_NAME
+WSREP_AUTO_INCREMENT_CONTROL
+WSREP_CAUSAL_READS
+WSREP_CERTIFICATION_RULES
+WSREP_CERTIFY_NONPK
+WSREP_CLUSTER_ADDRESS
+WSREP_CLUSTER_NAME
+WSREP_CONVERT_LOCK_TO_TRX
+WSREP_DATA_HOME_DIR
+WSREP_DBUG_OPTION
+WSREP_DEBUG
+WSREP_DESYNC
+WSREP_DIRTY_READS
+WSREP_DRUPAL_282555_WORKAROUND
+WSREP_FORCED_BINLOG_FORMAT
+WSREP_GTID_DOMAIN_ID
+WSREP_GTID_MODE
+WSREP_IGNORE_APPLY_ERRORS
+WSREP_LOAD_DATA_SPLITTING
+WSREP_LOG_CONFLICTS
+WSREP_MAX_WS_ROWS
+WSREP_MAX_WS_SIZE
+WSREP_MYSQL_REPLICATION_BUNDLE
+WSREP_NODE_ADDRESS
+WSREP_NODE_INCOMING_ADDRESS
+WSREP_NODE_NAME
+WSREP_NOTIFY_CMD
+WSREP_ON
+WSREP_OSU_METHOD
+WSREP_PATCH_VERSION
+WSREP_PROVIDER
+WSREP_PROVIDER_OPTIONS
+WSREP_RECOVER
+WSREP_REJECT_QUERIES
+WSREP_REPLICATE_MYISAM
+WSREP_RESTART_SLAVE
+WSREP_RETRY_AUTOCOMMIT
+WSREP_SLAVE_FK_CHECKS
+WSREP_SLAVE_THREADS
+WSREP_SLAVE_UK_CHECKS
+WSREP_SR_STORE
+WSREP_SST_AUTH
+WSREP_SST_DONOR
+WSREP_SST_DONOR_REJECTS_QUERIES
+WSREP_SST_METHOD
+WSREP_SST_RECEIVE_ADDRESS
+WSREP_START_POSITION
+WSREP_SYNC_WAIT
+WSREP_TRX_FRAGMENT_SIZE
+WSREP_TRX_FRAGMENT_UNIT
diff --git a/mysql-test/suite/wsrep/t/variables.test b/mysql-test/suite/wsrep/t/variables.test
index 6b767c60979..8b94275a646 100644
--- a/mysql-test/suite/wsrep/t/variables.test
+++ b/mysql-test/suite/wsrep/t/variables.test
@@ -1,28 +1,10 @@
 --source include/have_wsrep.inc
 --source include/force_restart.inc
 --source include/have_innodb.inc
+--source include/galera_no_debug_sync.inc
 
-call mtr.add_suppression("WSREP: Initial position was provided by configuration or SST, avoiding override");
-
-SET @wsrep_provider_options_saved= @@global.wsrep_provider_options;
-SET @wsrep_cluster_address_saved= @@global.wsrep_cluster_address;
-
---echo
---echo # MDEV#5534: mysql_tzinfo_to_sql generates wrong query
---echo #
---echo # Testing wsrep_replicate_myisam variable.
-
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SELECT @@session.wsrep_replicate_myisam;
-SELECT @@global.wsrep_replicate_myisam;
-
---error ER_GLOBAL_VARIABLE
-SET SESSION wsrep_replicate_myisam= ON;
-SET GLOBAL wsrep_replicate_myisam= ON;
-
-# Reset it back.
-SET GLOBAL wsrep_replicate_myisam= OFF;
-#SET GLOBAL wsrep_provider=none;
+--let $galera_version=26.4.8
+source ../../wsrep/include/check_galera_version.inc;
 
 --echo #
 --echo # MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
@@ -31,118 +13,27 @@ SET GLOBAL wsrep_replicate_myisam= OFF;
 
 CALL mtr.add_suppression("WSREP: Could not open saved state file for reading.*");
 
-#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
-
 --replace_column 2 #
-SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
-
---echo # Should show nothing.
-SHOW STATUS LIKE 'x';
-
-# Reset it back.
-#SET GLOBAL wsrep_provider=none;
+SHOW GLOBAL STATUS LIKE 'wsrep%';
 
-#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
-
-# The following 2 variables are used by mariabackup
-# SST.
---echo
---replace_column 2 #
-SHOW STATUS LIKE 'wsrep_local_state_uuid';
 --echo
 --replace_column 2 #
-SHOW STATUS LIKE 'wsrep_last_committed';
-
-# Reset it back.
-#SET GLOBAL wsrep_provider=none;
-
---echo
---echo #
---echo # MDEV#6206: wsrep_slave_threads subtracts from max_connections
---echo #
-call mtr.add_suppression("WSREP: Failed to get provider options");
-
-#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
-
---replace_regex /.*libgalera.*smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
-SELECT @@global.wsrep_slave_threads;
-SELECT @@global.wsrep_cluster_address;
-SELECT @@global.wsrep_on;
-SHOW STATUS LIKE 'threads_connected';
-SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
-#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
+SHOW GLOBAL STATUS LIKE 'wsrep_%';
 
---replace_regex /.*libgalera.*smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
-SELECT @@global.wsrep_cluster_address;
-SELECT @@global.wsrep_on;
-SHOW STATUS LIKE 'threads_connected';
-SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
---echo # Setting wsrep_cluster_address triggers the creation of
---echo # applier/rollbacker threads.
-#SET GLOBAL wsrep_cluster_address= 'gcomm://';
-
---echo # Wait for applier thread to get created 1.
---let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
---source include/wait_condition.inc
---echo # Wait for applier thread to get created 2.
---let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
---source include/wait_condition.inc
+--replace_column 2 #
+SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
 
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
+--echo # Should show nothing.
+SHOW STATUS LIKE 'x';
 
---replace_regex /.*libgalera.*smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
 SELECT @@global.wsrep_cluster_address;
 SELECT @@global.wsrep_on;
 SHOW STATUS LIKE 'threads_connected';
 SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
-SET @wsrep_slave_threads_saved= @@global.wsrep_slave_threads;
-SET GLOBAL wsrep_slave_threads= 10;
-
---echo # Wait for 9 applier threads to get created.
---let $wait_condition = SELECT VARIABLE_VALUE = 10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
---source include/wait_condition.inc
-
-SELECT VARIABLE_VALUE AS EXPECT_10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_11 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-
-SHOW STATUS LIKE 'threads_connected';
-
-#
-# privileges for wsrep_on
-#
-set wsrep_on=0;
-set wsrep_on=1;
---source include/wait_until_connected_again.inc
-create user test@localhost;
-connect con1,localhost,test;
-set auto_increment_increment=10;
---error ER_SPECIFIC_ACCESS_DENIED_ERROR
-set wsrep_on=0;
-disconnect con1;
-connection default;
-drop user test@localhost;
-
---echo #
---echo # MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
---echo #
-SET @wsrep_sst_auth_saved= @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= 'user:pass';
-SET @@global.wsrep_sst_auth= '';
-SET @@global.wsrep_sst_auth= NULL;
-SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
 
---source include/galera_wait_ready.inc
+--echo # variables
 
---echo # End of test.
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
diff --git a/mysql-test/suite/wsrep/t/variables_debug.test b/mysql-test/suite/wsrep/t/variables_debug.test
index f2c3a0a3b78..f1b0194dee0 100644
--- a/mysql-test/suite/wsrep/t/variables_debug.test
+++ b/mysql-test/suite/wsrep/t/variables_debug.test
@@ -1,29 +1,12 @@
 --source include/have_wsrep.inc
 --source include/force_restart.inc
 --source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/have_debug_sync.inc
 --source include/galera_have_debug_sync.inc
 
-call mtr.add_suppression("WSREP: Initial position was provided by configuration or SST, avoiding override");
-
-SET @wsrep_provider_options_saved= @@global.wsrep_provider_options;
-SET @wsrep_cluster_address_saved= @@global.wsrep_cluster_address;
-
---echo
---echo # MDEV#5534: mysql_tzinfo_to_sql generates wrong query
---echo #
---echo # Testing wsrep_replicate_myisam variable.
-
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SELECT @@session.wsrep_replicate_myisam;
-SELECT @@global.wsrep_replicate_myisam;
-
---error ER_GLOBAL_VARIABLE
-SET SESSION wsrep_replicate_myisam= ON;
-SET GLOBAL wsrep_replicate_myisam= ON;
-
-# Reset it back.
-SET GLOBAL wsrep_replicate_myisam= OFF;
-SET GLOBAL wsrep_provider=none;
+--let $galera_version=26.4.8
+source ../../wsrep/include/check_galera_version.inc;
 
 --echo #
 --echo # MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
@@ -32,10 +15,6 @@ SET GLOBAL wsrep_provider=none;
 
 CALL mtr.add_suppression("WSREP: Could not open saved state file for reading.*");
 
---disable_query_log
-eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
---enable_query_log
-
 --replace_column 2 #
 SHOW GLOBAL STATUS LIKE 'wsrep%';
 
@@ -49,128 +28,14 @@ SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
 --echo # Should show nothing.
 SHOW STATUS LIKE 'x';
 
-# Reset it back.
-SET GLOBAL wsrep_provider=none;
-
---disable_query_log
-eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
---enable_query_log
-
-# The following 2 variables are used by mariabackup
-# SST.
---echo
---replace_column 2 #
-SHOW STATUS LIKE 'wsrep_local_state_uuid';
---echo
---replace_column 2 #
-SHOW STATUS LIKE 'wsrep_last_committed';
-
-# Reset it back.
-SET GLOBAL wsrep_provider=none;
-
---echo
---echo #
---echo # MDEV#6206: wsrep_slave_threads subtracts from max_connections
---echo #
-call mtr.add_suppression("WSREP: Failed to get provider options");
-
---disable_query_log
-eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
---enable_query_log
-
---replace_regex /.*libgalera_smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
-SELECT @@global.wsrep_slave_threads;
 SELECT @@global.wsrep_cluster_address;
 SELECT @@global.wsrep_on;
 SHOW STATUS LIKE 'threads_connected';
 SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
---disable_query_log
-eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
---enable_query_log
-
---replace_regex /.*libgalera_smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
-SELECT @@global.wsrep_cluster_address;
-SELECT @@global.wsrep_on;
-SHOW STATUS LIKE 'threads_connected';
-SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
---echo # Setting wsrep_cluster_address triggers the creation of
---echo # applier/rollbacker threads.
-SET GLOBAL wsrep_cluster_address= 'gcomm://';
-
---echo # Wait for applier thread to get created 1.
---let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
---source include/wait_condition.inc
---echo # Wait for applier thread to get created 2.
---let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
---source include/wait_condition.inc
-
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-
---replace_regex /.*libgalera_smm.*/libgalera_smm.so/
-SELECT @@global.wsrep_provider;
-SELECT @@global.wsrep_cluster_address;
-SELECT @@global.wsrep_on;
-SHOW STATUS LIKE 'threads_connected';
-SHOW STATUS LIKE 'wsrep_thread_count';
---echo
-
-SET @wsrep_slave_threads_saved= @@global.wsrep_slave_threads;
-SET GLOBAL wsrep_slave_threads= 10;
-
---echo # Wait for 9 applier threads to get created.
---let $wait_condition = SELECT VARIABLE_VALUE = 10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
---source include/wait_condition.inc
-
-SELECT VARIABLE_VALUE AS EXPECT_10 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_rollbacker_thread_count';
-SELECT VARIABLE_VALUE AS EXPECT_11 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_thread_count';
-
-SHOW STATUS LIKE 'threads_connected';
-
-#
-# privileges for wsrep_on
-#
-set wsrep_on=0;
-set wsrep_on=1;
---source include/wait_until_connected_again.inc
-create user test@localhost;
-connect con1,localhost,test;
-set auto_increment_increment=10;
---error ER_SPECIFIC_ACCESS_DENIED_ERROR
-set wsrep_on=0;
-disconnect con1;
-connection default;
-drop user test@localhost;
-
---echo #
---echo # MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
---echo #
-SET @wsrep_sst_auth_saved= @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= 'user:pass';
-SELECT @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= '';
-SELECT @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= NULL;
-SELECT @@global.wsrep_sst_auth;
-SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
-
-# Reset (for mtr internal checks)
-
---disable_query_log
-SET GLOBAL wsrep_slave_threads= @wsrep_slave_threads_saved;
-eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
-SET GLOBAL wsrep_cluster_address= @wsrep_cluster_address_saved;
-SET GLOBAL wsrep_provider_options= @wsrep_provider_options_saved;
---enable_query_log
 
---source include/galera_wait_ready.inc
+--echo # variables
 
---echo # End of test.
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+SELECT COUNT(*) AS EXPECT_49 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%";
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;
+SELECT VARIABLE_NAME FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE "wsrep%" ORDER BY VARIABLE_NAME;