Merge 10.4 into 10.5

38 files changed, 636 insertions, 21 deletions

diff --git a/client/mysqlcheck.c b/client/mysqlcheck.c
index bf70a097c09..147ebb81231 100644
--- a/client/mysqlcheck.c
+++ b/client/mysqlcheck.c
@@ -1110,7 +1110,10 @@ static int dbConnect(char *host, char *user, char *passwd)
 		  opt_ssl_capath, opt_ssl_cipher);
     mysql_options(&mysql_connection, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
     mysql_options(&mysql_connection, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
+    mysql_options(&mysql_connection, MARIADB_OPT_TLS_VERSION, opt_tls_version);
   }
+  mysql_options(&mysql_connection, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
+                (char*)&opt_ssl_verify_server_cert);
 #endif
   if (opt_protocol)
     mysql_options(&mysql_connection,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
diff --git a/client/mysqlslap.c b/client/mysqlslap.c
index 08569f2e1a4..f5253533921 100644
--- a/client/mysqlslap.c
+++ b/client/mysqlslap.c
@@ -303,7 +303,10 @@ void set_mysql_connect_options(MYSQL *mysql)
                   opt_ssl_capath, opt_ssl_cipher);
     mysql_options(mysql, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
     mysql_options(mysql, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
+    mysql_options(mysql, MARIADB_OPT_TLS_VERSION, opt_tls_version);
   }
+  mysql_options(mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
+                (char*)&opt_ssl_verify_server_cert);
 #endif
   if (opt_protocol)
     mysql_options(mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
diff --git a/client/mysqltest.cc b/client/mysqltest.cc
index c7ddc0d0d6a..636ab06d745 100644
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@@ -9768,6 +9768,7 @@ int main(int argc, char **argv)
 		  opt_ssl_capath, opt_ssl_cipher);
     mysql_options(con->mysql, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
     mysql_options(con->mysql, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
+    mysql_options(con->mysql, MARIADB_OPT_TLS_VERSION, opt_tls_version);
 #if MYSQL_VERSION_ID >= 50000
     /* Turn on ssl_verify_server_cert only if host is "localhost" */
     opt_ssl_verify_server_cert= opt_host && !strcmp(opt_host, "localhost");
diff --git a/include/sslopt-longopts.h b/include/sslopt-longopts.h
index d0278a1645d..ee90d17fb64 100644
--- a/include/sslopt-longopts.h
+++ b/include/sslopt-longopts.h
@@ -39,10 +39,10 @@
   {"ssl-key", OPT_SSL_KEY, "X509 key in PEM format (implies --ssl).",
    &opt_ssl_key, &opt_ssl_key, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
-  {"ssl-crl", OPT_SSL_KEY, "Certificate revocation list (implies --ssl).",
+  {"ssl-crl", OPT_SSL_CRL, "Certificate revocation list (implies --ssl).",
    &opt_ssl_crl, &opt_ssl_crl, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
-  {"ssl-crlpath", OPT_SSL_KEY, 
+  {"ssl-crlpath", OPT_SSL_CRLPATH,
     "Certificate revocation list path (implies --ssl).",
    &opt_ssl_crlpath, &opt_ssl_crlpath, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
diff --git a/mysql-test/main/ctype_tis620.result b/mysql-test/main/ctype_tis620.result
index f1d0f5bc20a..4530b3ca4a2 100644
--- a/mysql-test/main/ctype_tis620.result
+++ b/mysql-test/main/ctype_tis620.result
@@ -4432,3 +4432,28 @@ HEX(WEIGHT_STRING(_tis620 'a\0b' COLLATE tis620_thai_nopad_ci))
 #
 # End of 10.2 tests
 #
+#
+# Start of 10.4 tests
+#
+#
+# MDEV-27670 Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+#
+CREATE OR REPLACE TABLE t1
+(
+a VARCHAR(250) COLLATE tis620_thai_nopad_ci,
+UNIQUE KEY(a(100)) USING HASH
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('a'),('A');
+ERROR 23000: Duplicate entry 'A' for key 'a'
+DROP TABLE t1;
+CREATE OR REPLACE TABLE t1
+(
+a CHAR(250) COLLATE tis620_thai_nopad_ci,
+UNIQUE KEY(a(100)) USING HASH
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('a'),('A');
+ERROR 23000: Duplicate entry 'A' for key 'a'
+DROP TABLE t1;
+#
+# End of 10.4 tests
+#
diff --git a/mysql-test/main/ctype_tis620.test b/mysql-test/main/ctype_tis620.test
index f432b23d71c..39908b995b2 100644
--- a/mysql-test/main/ctype_tis620.test
+++ b/mysql-test/main/ctype_tis620.test
@@ -223,3 +223,34 @@ SELECT HEX(WEIGHT_STRING(_tis620 'a\0b' COLLATE tis620_thai_nopad_ci));
 --echo #
 --echo # End of 10.2 tests
 --echo #
+
+--echo #
+--echo # Start of 10.4 tests
+--echo #
+
+--echo #
+--echo # MDEV-27670 Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+--echo #
+
+CREATE OR REPLACE TABLE t1
+(
+  a VARCHAR(250) COLLATE tis620_thai_nopad_ci,
+  UNIQUE KEY(a(100)) USING HASH
+) ENGINE=MyISAM;
+--error ER_DUP_ENTRY
+INSERT INTO t1 VALUES ('a'),('A');
+DROP TABLE t1;
+
+CREATE OR REPLACE TABLE t1
+
+(
+  a CHAR(250) COLLATE tis620_thai_nopad_ci,
+  UNIQUE KEY(a(100)) USING HASH
+) ENGINE=MyISAM;
+--error ER_DUP_ENTRY
+INSERT INTO t1 VALUES ('a'),('A');
+DROP TABLE t1;
+
+--echo #
+--echo # End of 10.4 tests
+--echo #
diff --git a/mysql-test/suite/galera/r/MDEV-25389.result b/mysql-test/suite/galera/r/MDEV-25389.result
new file mode 100644
index 00000000000..f369fe4dbae
--- /dev/null
+++ b/mysql-test/suite/galera/r/MDEV-25389.result
@@ -0,0 +1,17 @@
+connection node_2;
+connection node_1;
+connection node_1;
+connection node_2;
+connection node_2;
+call mtr.add_suppression("WSREP: Failed to create/initialize system thread");
+SET GLOBAL debug_dbug='+d,wsrep_simulate_failed_connection_1';
+SET GLOBAL wsrep_slave_threads=2;
+ERROR HY000: Incorrect arguments to SET
+SELECT @@wsrep_slave_threads;
+@@wsrep_slave_threads
+1
+SET GLOBAL debug_dbug='';
+SET GLOBAL wsrep_slave_threads=1;
+SELECT @@wsrep_slave_threads;
+@@wsrep_slave_threads
+1
diff --git a/mysql-test/suite/galera/r/MDEV-29512.result b/mysql-test/suite/galera/r/MDEV-29512.result
new file mode 100644
index 00000000000..aaf24df920e
--- /dev/null
+++ b/mysql-test/suite/galera/r/MDEV-29512.result
@@ -0,0 +1,40 @@
+connection node_2;
+connection node_1;
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 int, f3 varchar(2000));
+INSERT INTO t1 VALUES (1, 0, REPEAT('1234567890', 200));
+INSERT INTO t1 VALUES (3, 3, REPEAT('1234567890', 200));
+SET SESSION wsrep_sync_wait=0;
+SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_cb";
+connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
+connection node_1a;
+SET SESSION wsrep_sync_wait=0;
+connection node_1;
+begin;
+select f1,f2 from t1;
+f1	f2
+1	0
+3	3
+connection node_2;
+UPDATE t1 SET f2=2 WHERE f1=3;
+connection node_1a;
+SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";
+connection node_1;
+UPDATE t1 SET f2=1 WHERE f1=3;
+SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_master_enter_sync';
+COMMIT;
+connection node_1a;
+SET SESSION wsrep_on = 0;
+SET SESSION wsrep_on = 1;
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_master_enter_sync';
+SET GLOBAL DEBUG_DBUG = "";
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+SET GLOBAL debug_dbug = NULL;
+SET debug_sync='RESET';
+connection node_1;
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+select f1,f2 from t1;
+f1	f2
+1	0
+3	2
+DROP TABLE t1;
diff --git a/mysql-test/suite/galera/r/galera_var_dirty_reads.result b/mysql-test/suite/galera/r/galera_var_dirty_reads.result
index 240f1802385..2b164fecee6 100644
--- a/mysql-test/suite/galera/r/galera_var_dirty_reads.result
+++ b/mysql-test/suite/galera/r/galera_var_dirty_reads.result
@@ -19,9 +19,9 @@ SHOW STATUS LIKE 'wsrep_cluster_status';
 Variable_name	Value
 wsrep_cluster_status	Disconnected
 SELECT * FROM t1;
-Got one of the listed errors
+ERROR 08S01: WSREP has not yet prepared node for application use
 SELECT 1 FROM t1;
-Got one of the listed errors
+ERROR 08S01: WSREP has not yet prepared node for application use
 SET @@session.wsrep_dirty_reads=ON;
 SELECT * FROM t1;
 i
@@ -34,7 +34,7 @@ i	variable_name	variable_value
 1	WSREP_DIRTY_READS	ON
 SET @@session.wsrep_dirty_reads=OFF;
 SELECT i, variable_name, variable_value FROM t1, information_schema.session_variables WHERE variable_name LIKE "wsrep_dirty_reads" AND i = 1;
-Got one of the listed errors
+ERROR 08S01: WSREP has not yet prepared node for application use
 SELECT 1;
 1
 1
diff --git a/mysql-test/suite/galera/t/MDEV-25389.test b/mysql-test/suite/galera/t/MDEV-25389.test
new file mode 100644
index 00000000000..fc523371918
--- /dev/null
+++ b/mysql-test/suite/galera/t/MDEV-25389.test
@@ -0,0 +1,24 @@
+--source include/galera_cluster.inc
+--source include/have_debug.inc
+--source include/have_debug_sync.inc
+
+--let $node_1=node_1
+--let $node_2=node_2
+--source ../galera/include/auto_increment_offset_save.inc
+
+--connection node_2
+call mtr.add_suppression("WSREP: Failed to create/initialize system thread");
+SET GLOBAL debug_dbug='+d,wsrep_simulate_failed_connection_1';
+--error ER_WRONG_ARGUMENTS
+SET GLOBAL wsrep_slave_threads=2;
+SELECT @@wsrep_slave_threads;
+SET GLOBAL debug_dbug='';
+SET GLOBAL wsrep_slave_threads=1;
+SELECT @@wsrep_slave_threads;
+
+# MDEV-29878: this test caused a subsequent test to fail
+# during shutdown. Do a restart here, to make sure the
+# issue is fixed.
+--source include/restart_mysqld.inc
+
+--source ../galera/include/auto_increment_offset_restore.inc
diff --git a/mysql-test/suite/galera/t/MDEV-29512.cnf b/mysql-test/suite/galera/t/MDEV-29512.cnf
new file mode 100644
index 00000000000..bf8e0c37984
--- /dev/null
+++ b/mysql-test/suite/galera/t/MDEV-29512.cnf
@@ -0,0 +1,15 @@
+!include ../galera_2nodes.cnf
+
+[mysqld]
+log-bin
+log-slave-updates
+
+[mysqld.1]
+log_bin
+log_slave_updates
+max-binlog-size=4096
+expire-logs-days=1
+
+
+[mysqld.2]
+
diff --git a/mysql-test/suite/galera/t/MDEV-29512.test b/mysql-test/suite/galera/t/MDEV-29512.test
new file mode 100644
index 00000000000..ffcef792f85
--- /dev/null
+++ b/mysql-test/suite/galera/t/MDEV-29512.test
@@ -0,0 +1,91 @@
+#
+# This test is for reproducing the issue in:
+# https://jira.mariadb.org/browse/MDEV-29512
+#
+# The hanging in MDEV-29512 happens when binlog purging is attempted, and there is
+# one local BF aborted transaction waiting for commit monitor.
+#
+# The test will launch two node cluster and enable binlogging with expire log days,
+# to force binlog purging to happen.
+# A local transaction is executed so that will become BF abort victim, and has advanced
+# to replication stage waiting for commit monitor for final cleanup (to mark position in innodb)
+# after that, applier is released to complete the BF abort and due to binlog configuration,
+# starting the binlog purging. This is where the hanging would occur, if code is buggy
+#
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+--source include/have_debug_sync.inc
+--source include/galera_have_debug_sync.inc
+
+#
+# binlog size is limited to 4096 bytes, we will create enough events to
+# cause binlog rotation
+#
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 int, f3 varchar(2000));
+INSERT INTO t1 VALUES (1, 0, REPEAT('1234567890', 200));
+INSERT INTO t1 VALUES (3, 3, REPEAT('1234567890', 200));
+
+SET SESSION wsrep_sync_wait=0;
+
+# set sync point for replication applier
+SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_cb";
+
+# Control connection to manage sync points for appliers
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+--connection node_1a
+SET SESSION wsrep_sync_wait=0;
+
+# starting local transaction, only select so far,
+# write will happen later and this will be ordered after the transaction in node_2
+--connection node_1
+begin;
+select f1,f2 from t1;
+
+# send from node 2 an UPDATE transaction,  which will BF abort the transaction in node_1
+--connection node_2
+--let $wait_condition=select count(*)=2 from t1
+--source include/wait_condition.inc
+
+UPDATE t1 SET f2=2 WHERE f1=3;
+
+--connection node_1a
+# wait to see the UPDATE from node_2 in apply_cb sync point
+SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";
+
+--connection node_1
+# now issuing conflicting update
+UPDATE t1 SET f2=1 WHERE f1=3;
+
+# Block the local commit, send final COMMIT and wait until it gets blocked
+--let $galera_sync_point = commit_monitor_master_enter_sync
+--source include/galera_set_sync_point.inc
+--send COMMIT
+
+--connection node_1a
+# wait for the local commit to enter in commit monitor wait state
+--let $galera_sync_point = commit_monitor_master_enter_sync
+--source include/galera_wait_sync_point.inc
+--source include/galera_clear_sync_point.inc
+
+# release the local transaction to continue with commit
+--let $galera_sync_point = commit_monitor_master_enter_sync
+--source include/galera_signal_sync_point.inc
+
+# and now release the applier, it should force local trx to abort
+SET GLOBAL DEBUG_DBUG = "";
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+SET GLOBAL debug_dbug = NULL;
+SET debug_sync='RESET';
+
+--connection node_1
+--error ER_LOCK_DEADLOCK
+--reap
+
+# wait until applying is complete
+--let $wait_condition = SELECT COUNT(*)=1 FROM t1 WHERE f2=2
+--source include/wait_condition.inc
+
+# final read to verify what we got
+select f1,f2 from t1;
+
+DROP TABLE t1;
diff --git a/mysql-test/suite/galera/t/galera_var_dirty_reads.test b/mysql-test/suite/galera/t/galera_var_dirty_reads.test
index 85f72e633dc..e0c5b666c32 100644
--- a/mysql-test/suite/galera/t/galera_var_dirty_reads.test
+++ b/mysql-test/suite/galera/t/galera_var_dirty_reads.test
@@ -31,10 +31,10 @@ SHOW STATUS LIKE 'wsrep_ready';
 # Must return 'Disconnected'
 SHOW STATUS LIKE 'wsrep_cluster_status';
 
---error ER_UNKNOWN_COM_ERROR,1047
+--error ER_UNKNOWN_COM_ERROR
 SELECT * FROM t1;
 
---error ER_UNKNOWN_COM_ERROR,1047
+--error ER_UNKNOWN_COM_ERROR
 SELECT 1 FROM t1;
 
 SET @@session.wsrep_dirty_reads=ON;
@@ -46,7 +46,7 @@ SELECT i, variable_name, variable_value FROM t1, information_schema.session_vari
 
 SET @@session.wsrep_dirty_reads=OFF;
 
---error ER_UNKNOWN_COM_ERROR,1047
+--error ER_UNKNOWN_COM_ERROR
 SELECT i, variable_name, variable_value FROM t1, information_schema.session_variables WHERE variable_name LIKE "wsrep_dirty_reads" AND i = 1;
 
 
diff --git a/mysql-test/suite/galera_3nodes/r/galera_join_with_cc_A.result b/mysql-test/suite/galera_3nodes/r/galera_join_with_cc_A.result
index a60e2bbb6cc..1813607517a 100644
--- a/mysql-test/suite/galera_3nodes/r/galera_join_with_cc_A.result
+++ b/mysql-test/suite/galera_3nodes/r/galera_join_with_cc_A.result
@@ -1,6 +1,9 @@
 connection node_2;
 connection node_1;
 connection node_1;
+connection node_2;
+connection node_3;
+connection node_1;
 CREATE TABLE t1 (pk INT PRIMARY KEY, node INT) ENGINE=innodb;
 INSERT INTO t1 VALUES (1, 1);
 connection node_2;
diff --git a/mysql-test/suite/galera_3nodes/t/galera_join_with_cc_A.test b/mysql-test/suite/galera_3nodes/t/galera_join_with_cc_A.test
index 2248ff5014a..aa264eb8047 100644
--- a/mysql-test/suite/galera_3nodes/t/galera_join_with_cc_A.test
+++ b/mysql-test/suite/galera_3nodes/t/galera_join_with_cc_A.test
@@ -15,6 +15,11 @@
 --let $galera_server_number = 3
 --source include/galera_connect.inc
 
+--let $node_1=node_1
+--let $node_2=node_2
+--let $node_3=node_3
+--source ../galera/include/auto_increment_offset_save.inc
+
 --connection node_1
 --let $wait_condition = SELECT VARIABLE_VALUE = 3 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 --source include/wait_condition.inc
@@ -260,3 +265,5 @@ call mtr.add_suppression("WSREP: Rejecting JOIN message from \(.*\): new State T
 
 --connection node_3
 call mtr.add_suppression("WSREP: Rejecting JOIN message from \(.*\): new State Transfer required.");
+
+--source ../galera/include/auto_increment_offset_restore.inc
diff --git a/mysql-test/suite/galera_3nodes_sr/disabled.def b/mysql-test/suite/galera_3nodes_sr/disabled.def
index 900b27860a5..f1ec92eee79 100644
--- a/mysql-test/suite/galera_3nodes_sr/disabled.def
+++ b/mysql-test/suite/galera_3nodes_sr/disabled.def
@@ -1,4 +1,3 @@
-GCF-336 : 
 GCF-582 : 
 GCF-810A : 
 GCF-810B : 
diff --git a/mysql-test/suite/galera_3nodes_sr/r/GCF-336.result b/mysql-test/suite/galera_3nodes_sr/r/GCF-336.result
index bb6c11edf36..eeccfa3b5a3 100644
--- a/mysql-test/suite/galera_3nodes_sr/r/GCF-336.result
+++ b/mysql-test/suite/galera_3nodes_sr/r/GCF-336.result
@@ -1,11 +1,17 @@
+connection node_2;
+connection node_1;
+connection node_2;
 CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
 SET SESSION wsrep_trx_fragment_size = 1;
 SET AUTOCOMMIT=OFF;
 START TRANSACTION;
 INSERT INTO t1 VALUES (1);
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
 SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;
 COUNT(*) > 0
 1
+connection node_1;
 SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;
 COUNT(*) > 0
 1
@@ -13,14 +19,19 @@ SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
 SELECT COUNT(*) > 0 FROM t1;
 COUNT(*) > 0
 1
+connection node_2a;
 SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1';
 SET SESSION wsrep_sync_wait=0;
+connection node_2;
 INSERT INTO t1 VALUES (2);
 ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
 COMMIT;
 ERROR 08S01: WSREP has not yet prepared node for application use
+connection node_2a;
 SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0';
 DROP TABLE t1;
 CALL mtr.add_suppression("replication aborted");
 CALL mtr.add_suppression("WSREP: fragment replication failed: 3");
 CALL mtr.add_suppression("WSREP: failed to send SR rollback for ");
+connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3;
+connection node_3;
diff --git a/mysql-test/suite/innodb/r/innodb_ctype_tis620.result b/mysql-test/suite/innodb/r/innodb_ctype_tis620.result
index bea188af08f..cf15d1232aa 100644
--- a/mysql-test/suite/innodb/r/innodb_ctype_tis620.result
+++ b/mysql-test/suite/innodb/r/innodb_ctype_tis620.result
@@ -26,3 +26,69 @@ DROP TABLE t1;
 #
 # End of 10.2 tests
 #
+#
+# Start of 10.4 tests
+#
+#
+# MDEV-27670 Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+#
+CREATE TABLE t1 (id INT PRIMARY KEY, a CHAR(8), KEY(a)) ENGINE=InnoDB COLLATE tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
+DROP TABLE t1;
+#
+# MDEV-27768 MDEV-25440: Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+#
+CREATE TABLE t1 (a INT KEY,b INT,c CHAR,KEY(b),KEY(c)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (3,4,4);
+DROP TABLE t1;
+CREATE TABLE t1 (C1 CHAR KEY,B1 BIT,B2 BIT,C2 CHAR DEFAULT'') ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+SELECT HEX(c1),HEX (c2) FROM t1 WHERE c1>=''AND c1<''AND c2=''LIMIT 2;
+HEX(c1)	HEX (c2)
+DROP TABLE t1;
+SET sql_mode='';
+CREATE TABLE t1 (a INT UNSIGNED,b INT,c CHAR(1),d BINARY (1),e VARCHAR(1),f VARBINARY(1),g BLOB,h BLOB,id INT,KEY(b),KEY(e)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (4386060749083099108,157,0,0,0,0,0,0,12);
+Warnings:
+Warning	1264	Out of range value for column 'a' at row 1
+INSERT INTO t1 VALUES (104,15158706241929488558,0,0,0,0,0,0,13);
+Warnings:
+Warning	1264	Out of range value for column 'b' at row 1
+SELECT GROUP_CONCAT(DISTINCT a,b ORDER BY c,b) FROM t1;
+GROUP_CONCAT(DISTINCT a,b ORDER BY c,b)
+4294967295157,1042147483647
+DROP TABLE t1;
+SET sql_mode=DEFAULT;
+CREATE TABLE t1 (a CHAR(9),b CHAR(7)) COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0);
+ALTER TABLE t1 ADD INDEX kb (b),ADD INDEX kab (a,b),ALGORITHM=INPLACE;
+DROP TABLE t1;
+SET sql_mode='';
+CREATE TABLE t1 (a INT UNSIGNED,b INT UNSIGNED,c CHAR(1),d CHAR(1),e VARCHAR(1),f VARCHAR(1),g BLOB,h BLOB,id INT,KEY(b),KEY(e)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (15842995496588415350,5339224446865937973,0,0,0,0,0,0,4);
+Warnings:
+Warning	1264	Out of range value for column 'a' at row 1
+Warning	1264	Out of range value for column 'b' at row 1
+INSERT INTO t1 VALUES (8118894032862615316,5299008984764990929,0,0,0,0,0,0,1);
+Warnings:
+Warning	1264	Out of range value for column 'a' at row 1
+Warning	1264	Out of range value for column 'b' at row 1
+SELECT GROUP_CONCAT(DISTINCT a,c ORDER BY a) FROM t1;
+GROUP_CONCAT(DISTINCT a,c ORDER BY a)
+42949672950
+DROP TABLE t1;
+SET sql_mode=DEFAULT;
+CREATE TABLE t1 (a CHAR,b CHAR,KEY(a,b)) ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (0,0);
+DROP TABLE t1;
+CREATE TABLE t1 (a CHAR,b CHAR) COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0,0);
+SELECT a,SUM(DISTINCT a),MIN(b) FROM t1 GROUP BY a;
+a	SUM(DISTINCT a)	MIN(b)
+0	0	0
+DROP TABLE t1;
+CREATE TABLE t1 (a CHAR,KEY(a)) ENGINE=InnoDB COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0);
+DROP TABLE t1;
+#
+# End of 10.4 tests
+#
diff --git a/mysql-test/suite/innodb/t/innodb_ctype_tis620.test b/mysql-test/suite/innodb/t/innodb_ctype_tis620.test
index 4bab0fe9561..b0e9f42cc5a 100644
--- a/mysql-test/suite/innodb/t/innodb_ctype_tis620.test
+++ b/mysql-test/suite/innodb/t/innodb_ctype_tis620.test
@@ -27,3 +27,65 @@ DROP TABLE t1;
 --echo #
 --echo # End of 10.2 tests
 --echo #
+
+--echo #
+--echo # Start of 10.4 tests
+--echo #
+
+--echo #
+--echo # MDEV-27670 Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+--echo #
+
+CREATE TABLE t1 (id INT PRIMARY KEY, a CHAR(8), KEY(a)) ENGINE=InnoDB COLLATE tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-27768 MDEV-25440: Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+--echo #
+
+CREATE TABLE t1 (a INT KEY,b INT,c CHAR,KEY(b),KEY(c)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (3,4,4);
+DROP TABLE t1;
+
+CREATE TABLE t1 (C1 CHAR KEY,B1 BIT,B2 BIT,C2 CHAR DEFAULT'') ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+SELECT HEX(c1),HEX (c2) FROM t1 WHERE c1>=''AND c1<''AND c2=''LIMIT 2;
+DROP TABLE t1;
+
+SET sql_mode='';
+CREATE TABLE t1 (a INT UNSIGNED,b INT,c CHAR(1),d BINARY (1),e VARCHAR(1),f VARBINARY(1),g BLOB,h BLOB,id INT,KEY(b),KEY(e)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (4386060749083099108,157,0,0,0,0,0,0,12);
+INSERT INTO t1 VALUES (104,15158706241929488558,0,0,0,0,0,0,13);
+SELECT GROUP_CONCAT(DISTINCT a,b ORDER BY c,b) FROM t1;
+DROP TABLE t1;
+SET sql_mode=DEFAULT;
+
+CREATE TABLE t1 (a CHAR(9),b CHAR(7)) COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0);
+ALTER TABLE t1 ADD INDEX kb (b),ADD INDEX kab (a,b),ALGORITHM=INPLACE;
+DROP TABLE t1;
+
+SET sql_mode='';
+CREATE TABLE t1 (a INT UNSIGNED,b INT UNSIGNED,c CHAR(1),d CHAR(1),e VARCHAR(1),f VARCHAR(1),g BLOB,h BLOB,id INT,KEY(b),KEY(e)) ROW_FORMAT=REDUNDANT COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (15842995496588415350,5339224446865937973,0,0,0,0,0,0,4);
+INSERT INTO t1 VALUES (8118894032862615316,5299008984764990929,0,0,0,0,0,0,1);
+SELECT GROUP_CONCAT(DISTINCT a,c ORDER BY a) FROM t1;
+DROP TABLE t1;
+SET sql_mode=DEFAULT;
+
+CREATE TABLE t1 (a CHAR,b CHAR,KEY(a,b)) ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;
+INSERT INTO t1 VALUES (0,0);
+DROP TABLE t1;
+
+CREATE TABLE t1 (a CHAR,b CHAR) COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0,0);
+SELECT a,SUM(DISTINCT a),MIN(b) FROM t1 GROUP BY a;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a CHAR,KEY(a)) ENGINE=InnoDB COLLATE=tis620_thai_nopad_ci;
+INSERT INTO t1 VALUES (0);
+DROP TABLE t1;
+
+--echo #
+--echo # End of 10.4 tests
+--echo #
diff --git a/mysql-test/suite/parts/r/part_ctype_tis620.result b/mysql-test/suite/parts/r/part_ctype_tis620.result
new file mode 100644
index 00000000000..48a8a95f40e
--- /dev/null
+++ b/mysql-test/suite/parts/r/part_ctype_tis620.result
@@ -0,0 +1,47 @@
+#
+# MDEV-27768 MDEV-25440: Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+#
+CREATE TABLE t1 (
+a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+PARTITION p0 VALUES LESS THAN (''),
+PARTITION p VALUES LESS THAN ('')
+);
+ERROR HY000: VALUES LESS THAN value must be strictly increasing for each partition
+CREATE TABLE t1 (
+a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+PARTITION p0 VALUES LESS THAN (''),
+PARTITION p VALUES LESS THAN (' ')
+);
+ERROR HY000: VALUES LESS THAN value must be strictly increasing for each partition
+CREATE TABLE t1 (
+a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+PARTITION p0 VALUES LESS THAN (' '),
+PARTITION p VALUES LESS THAN ('')
+);
+ERROR HY000: VALUES LESS THAN value must be strictly increasing for each partition
+CREATE TABLE t1
+(
+id INT NOT NULL,
+data VARCHAR(2),
+KEY data_id (data(1),id)
+) COLLATE tis620_thai_nopad_ci ENGINE=MyISAM
+PARTITION BY RANGE (id)
+(
+PARTITION p10 VALUES LESS THAN (10),
+PARTITION p20 VALUES LESS THAN (20)
+);
+INSERT INTO t1 VALUES (4, 'ab'), (14, 'ab'), (19,''),(9,'') ;
+SELECT id FROM t1 WHERE data='' ORDER BY id;
+id
+9
+19
+DROP TABLE t1;
diff --git a/mysql-test/suite/parts/t/part_ctype_tis620.test b/mysql-test/suite/parts/t/part_ctype_tis620.test
new file mode 100644
index 00000000000..2e5bcd651b1
--- /dev/null
+++ b/mysql-test/suite/parts/t/part_ctype_tis620.test
@@ -0,0 +1,52 @@
+--source include/have_partition.inc
+--source include/have_tis620.inc
+
+--echo #
+--echo # MDEV-27768 MDEV-25440: Assertion `(cs->state & 0x20000) == 0' failed in my_strnncollsp_nchars_generic_8bit
+--echo #
+
+--error ER_RANGE_NOT_INCREASING_ERROR
+CREATE TABLE t1 (
+  a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+  PARTITION p0 VALUES LESS THAN (''),
+  PARTITION p VALUES LESS THAN ('')
+);
+
+--error ER_RANGE_NOT_INCREASING_ERROR
+CREATE TABLE t1 (
+  a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+  PARTITION p0 VALUES LESS THAN (''),
+  PARTITION p VALUES LESS THAN (' ')
+);
+
+--error ER_RANGE_NOT_INCREASING_ERROR
+CREATE TABLE t1 (
+  a CHAR
+) COLLATE=tis620_thai_nopad_ci
+PARTITION BY RANGE COLUMNS (a)
+(
+  PARTITION p0 VALUES LESS THAN (' '),
+  PARTITION p VALUES LESS THAN ('')
+);
+
+
+CREATE TABLE t1
+(
+  id INT NOT NULL,
+  data VARCHAR(2),
+  KEY data_id (data(1),id)
+) COLLATE tis620_thai_nopad_ci ENGINE=MyISAM
+PARTITION BY RANGE (id)
+(
+  PARTITION p10 VALUES LESS THAN (10),
+  PARTITION p20 VALUES LESS THAN (20)
+);
+INSERT INTO t1 VALUES (4, 'ab'), (14, 'ab'), (19,''),(9,'') ;
+SELECT id FROM t1 WHERE data='' ORDER BY id;
+DROP TABLE t1;
diff --git a/mysql-test/suite/period/r/create.result b/mysql-test/suite/period/r/create.result
index dcae15c0772..e5fa2d1797d 100644
--- a/mysql-test/suite/period/r/create.result
+++ b/mysql-test/suite/period/r/create.result
@@ -100,3 +100,14 @@ show status like "Feature_application_time_periods";
 Variable_name	Value
 Feature_application_time_periods	6
 drop table t;
+# MDEV-29387: Period name with more than 32 symbols crashes the server
+#
+# test 34 symbols
+create table t2 (s date, e date, 
+period for `abcd123456789012345678901234567890` (s,e));
+drop table t2;
+# test 64 symbols
+create table t2 (s date, e date, period for 
+`abcd123456789012345678901234567890123456789012345678901234567890`
+                 (s,e));
+drop table t2;
diff --git a/mysql-test/suite/period/r/delete.result b/mysql-test/suite/period/r/delete.result
index 1954c0fdf81..55ddfac13fb 100644
--- a/mysql-test/suite/period/r/delete.result
+++ b/mysql-test/suite/period/r/delete.result
@@ -393,3 +393,27 @@ insert into t1 values (1,'2020-01-01','2020-02-20');
 delete from t1 for portion of se from '2020-01-30' to '2020-01-31';
 drop table t1;
 # End of 10.5 tests
+#
+# MDEV-19190 Assertion `part_share->auto_inc_initialized` failed in
+# ha_partition::get_auto_increment
+#
+create table t1 (id int, s date, e date, period for app(s,e))
+partition by key(id);
+insert into t1 (s,e) values ('2023-07-21','2024-06-07');
+alter table t1 modify id int auto_increment key;
+delete from t1 for portion of app from '2023-07-20' to '2024-05-23';
+select * from t1;
+id	s	e
+2	2024-05-23	2024-06-07
+drop table t1;
+create table t1 (id int, s date, e date, period for app(s,e))
+partition by key(id);
+insert into t1 (s,e) values ('2023-07-21','2024-06-07');
+alter table t1 modify id int auto_increment key;
+delete from t1 for portion of app from '2023-07-20' to '2024-05-23';
+select * from t1;
+id	s	e
+2	2024-05-23	2024-06-07
+drop table t1;
+drop table log_tbl;
+drop procedure log;
diff --git a/mysql-test/suite/period/t/create.test b/mysql-test/suite/period/t/create.test
index 49dcc6ad3c7..0bca5b6df56 100644
--- a/mysql-test/suite/period/t/create.test
+++ b/mysql-test/suite/period/t/create.test
@@ -85,3 +85,17 @@ insert t values (2, '2001-01-01', '2001-01-01');
 show status like "Feature_application_time_periods";
 
 drop table t;
+
+--echo # MDEV-29387: Period name with more than 32 symbols crashes the server
+--echo #
+
+--echo # test 34 symbols
+create table t2 (s date, e date, 
+                 period for `abcd123456789012345678901234567890` (s,e)); 
+drop table t2;
+
+--echo # test 64 symbols
+create table t2 (s date, e date, period for 
+                 `abcd123456789012345678901234567890123456789012345678901234567890`
+                 (s,e)); 
+drop table t2;
diff --git a/mysql-test/suite/period/t/delete.test b/mysql-test/suite/period/t/delete.test
index 91670469bab..6739487d9a4 100644
--- a/mysql-test/suite/period/t/delete.test
+++ b/mysql-test/suite/period/t/delete.test
@@ -1,5 +1,6 @@
 source suite/period/engines.inc;
 source include/have_log_bin.inc;
+source include/have_partition.inc;
 
 create table t (id int, s date, e date, period for apptime(s,e));
 
@@ -235,3 +236,30 @@ delete from t1 for portion of se from '2020-01-30' to '2020-01-31';
 drop table t1;
 
 --echo # End of 10.5 tests
+--echo #
+--echo # MDEV-19190 Assertion `part_share->auto_inc_initialized` failed in
+--echo # ha_partition::get_auto_increment
+--echo #
+create table t1 (id int, s date, e date, period for app(s,e))
+                partition by key(id);
+insert into t1 (s,e) values ('2023-07-21','2024-06-07');
+alter table t1 modify id int auto_increment key;
+delete from t1 for portion of app from '2023-07-20' to '2024-05-23';
+select * from t1;
+drop table t1;
+
+create table t1 (id int, s date, e date, period for app(s,e))
+                partition by key(id);
+insert into t1 (s,e) values ('2023-07-21','2024-06-07');
+alter table t1 modify id int auto_increment key;
+--let $trig_table=t1
+--let $trig_cols=id, s, e
+--disable_query_log
+--source suite/period/create_triggers.inc
+--enable_query_log
+
+delete from t1 for portion of app from '2023-07-20' to '2024-05-23';
+select * from t1;
+drop table t1;
+drop table log_tbl;
+drop procedure log;
diff --git a/sql/handler.cc b/sql/handler.cc
index 5942eca6698..49f49002eff 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -4211,7 +4211,7 @@ void handler::print_error(int error, myf errflag)
     break;
   case HA_ERR_AUTOINC_ERANGE:
     textno= error;
-    my_error(textno, errflag, table->next_number_field->field_name.str,
+    my_error(textno, errflag, table->found_next_number_field->field_name.str,
              table->in_use->get_stmt_da()->current_row_for_warning());
     DBUG_VOID_RETURN;
     break;
diff --git a/sql/slave.cc b/sql/slave.cc
index 33a382edc47..715fa8cd69e 100644
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -7281,9 +7281,9 @@ static int connect_to_master(THD* thd, MYSQL* mysql, Master_info* mi,
                   mi->ssl_ca[0]?mi->ssl_ca:0,
                   mi->ssl_capath[0]?mi->ssl_capath:0,
                   mi->ssl_cipher[0]?mi->ssl_cipher:0);
-    mysql_options(mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
-                  &mi->ssl_verify_server_cert);
-    mysql_options(mysql, MYSQL_OPT_SSL_CRLPATH, 
+    mysql_options(mysql, MYSQL_OPT_SSL_CRL,
+                  mi->ssl_crl[0] ? mi->ssl_crl : 0);
+    mysql_options(mysql, MYSQL_OPT_SSL_CRLPATH,
                   mi->ssl_crlpath[0] ? mi->ssl_crlpath : 0);
     mysql_options(mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
                   &mi->ssl_verify_server_cert);
diff --git a/sql/sql_const.h b/sql/sql_const.h
index 3f053a1606d..b2548b4ef8c 100644
--- a/sql/sql_const.h
+++ b/sql/sql_const.h
@@ -29,7 +29,7 @@
 /* extra 4+4 bytes for slave tmp tables */
 #define MAX_DBKEY_LENGTH (NAME_LEN*2+1+1+4+4)
 #define MAX_ALIAS_NAME 256
-#define MAX_FIELD_NAME 34			/* Max colum name length +2 */
+#define MAX_FIELD_NAME (NAME_LEN+1)             /* Max colum name length +1 */
 #define MAX_SYS_VAR_LENGTH 32
 #define MAX_KEY MAX_INDEXES                     /* Max used keys */
 #define MAX_REF_PARTS 32			/* Max parts used as ref */
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index 4c359955dbe..e628ce60d2d 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -693,6 +693,10 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
   {
     table->use_all_columns();
     table->rpl_write_set= table->write_set;
+    // Initialize autoinc.
+    // We don't set next_number_field here, as it is handled manually.
+    if (table->found_next_number_field)
+      table->file->info(HA_STATUS_AUTO);
   }
   else
   {
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index faaab33a589..64be8f937e5 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -1158,7 +1158,7 @@ static bool wsrep_tables_accessible_when_detached(const TABLE_LIST *tables)
     if (get_table_category(&db, &tn)  < TABLE_CATEGORY_INFORMATION)
       return false;
   }
-  return true;
+  return tables != NULL;
 }
 
 static bool wsrep_command_no_result(char command)
@@ -3758,6 +3758,8 @@ mysql_execute_command(THD *thd)
           (sql_command_flags[lex->sql_command] & CF_CHANGES_DATA) == 0)    &&
         !wsrep_tables_accessible_when_detached(all_tables)                 &&
         lex->sql_command != SQLCOM_SET_OPTION                              &&
+        lex->sql_command != SQLCOM_CHANGE_DB                               &&
+        !(lex->sql_command == SQLCOM_SELECT && !all_tables)                &&
         !wsrep_is_show_query(lex->sql_command))
     {
       my_message(ER_UNKNOWN_COM_ERROR,
diff --git a/sql/table.cc b/sql/table.cc
index c99608c6cde..7da22a058ab 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -8913,6 +8913,7 @@ int TABLE::update_generated_fields()
     res= found_next_number_field->set_default();
     if (likely(!res))
       res= file->update_auto_increment();
+    next_number_field= NULL;
   }
 
   if (likely(!res) && vfield)
diff --git a/sql/wsrep_mysqld.cc b/sql/wsrep_mysqld.cc
index 3e3b7ec5150..3205b2dfa21 100644
--- a/sql/wsrep_mysqld.cc
+++ b/sql/wsrep_mysqld.cc
@@ -127,6 +127,7 @@ ulong wsrep_trx_fragment_unit= WSREP_FRAG_BYTES;
 ulong wsrep_SR_store_type= WSREP_SR_STORE_TABLE;
 uint  wsrep_ignore_apply_errors= 0;
 
+std::atomic <bool> wsrep_thread_create_failed;
 
 /*
  * End configuration options
@@ -3143,7 +3144,7 @@ int wsrep_create_trigger_query(THD *thd, uchar** buf, size_t* buf_len)
 
 void* start_wsrep_THD(void *arg)
 {
-  THD *thd;
+  THD *thd= NULL;
 
   Wsrep_thd_args* thd_args= (Wsrep_thd_args*) arg;
 
@@ -3174,6 +3175,7 @@ void* start_wsrep_THD(void *arg)
   mysql_thread_set_psi_id(thd->thread_id);
   thd->thr_create_utime=  microsecond_interval_timer();
 
+  DBUG_EXECUTE_IF("wsrep_simulate_failed_connection_1", goto error; );
 // </5.1.17>
   /*
     handle_one_connection() is normally the only way a thread would
@@ -3280,6 +3282,18 @@ void* start_wsrep_THD(void *arg)
 error:
   WSREP_ERROR("Failed to create/initialize system thread");
 
+  if (thd)
+  {
+    close_connection(thd, ER_OUT_OF_RESOURCES);
+    statistic_increment(aborted_connects, &LOCK_status);
+    server_threads.erase(thd);
+    delete thd;
+    my_thread_end();
+  }
+  delete thd_args;
+  // This will signal error to wsrep_slave_threads_update
+  wsrep_thread_create_failed.store(true, std::memory_order_relaxed);
+
   /* Abort if its the first applier/rollbacker thread. */
   if (!mysqld_server_initialized)
     unireg_abort(1);
diff --git a/sql/wsrep_mysqld.h b/sql/wsrep_mysqld.h
index 2437a823df4..2061802afbd 100644
--- a/sql/wsrep_mysqld.h
+++ b/sql/wsrep_mysqld.h
@@ -90,6 +90,7 @@ extern bool        wsrep_new_cluster;
 extern bool        wsrep_gtid_mode;
 extern my_bool     wsrep_strict_ddl;
 extern uint32      wsrep_gtid_domain_id;
+extern std::atomic <bool > wsrep_thread_create_failed;
 
 enum enum_wsrep_reject_types {
   WSREP_REJECT_NONE,    /* nothing rejected */
diff --git a/sql/wsrep_thd.cc b/sql/wsrep_thd.cc
index 915c7bbb5a5..fbca4a76b66 100644
--- a/sql/wsrep_thd.cc
+++ b/sql/wsrep_thd.cc
@@ -23,8 +23,7 @@
 #include "rpl_rli.h"
 #include "log_event.h"
 #include "sql_parse.h"
-#include "mysqld.h"   // start_wsrep_THD();
-#include "wsrep_applier.h"   // start_wsrep_THD();
+#include "wsrep_mysqld.h"   // start_wsrep_THD();
 #include "mysql/service_wsrep.h"
 #include "debug_sync.h"
 #include "slave.h"
diff --git a/sql/wsrep_var.cc b/sql/wsrep_var.cc
index ff687975d0a..f6a7e25b945 100644
--- a/sql/wsrep_var.cc
+++ b/sql/wsrep_var.cc
@@ -801,18 +801,25 @@ bool wsrep_slave_threads_update (sys_var *self, THD* thd, enum_var_type type)
   if (wsrep_slave_count_change > 0)
   {
     WSREP_DEBUG("Creating %d applier threads, total %ld", wsrep_slave_count_change, wsrep_slave_threads);
+    wsrep_thread_create_failed.store(false, std::memory_order_relaxed);
     res= wsrep_create_appliers(wsrep_slave_count_change, true);
     mysql_mutex_unlock(&LOCK_global_system_variables);
     mysql_mutex_unlock(&LOCK_wsrep_slave_threads);
     // Thread creation and execution is asyncronous, therefore we need
     // wait them to be started or error produced
-    while (wsrep_running_applier_threads != (ulong)wsrep_slave_threads)
+    while (wsrep_running_applier_threads != (ulong)wsrep_slave_threads &&
+	   !wsrep_thread_create_failed.load(std::memory_order_relaxed))
     {
 	    my_sleep(1000);
     }
 
     mysql_mutex_lock(&LOCK_global_system_variables);
 
+    if (wsrep_thread_create_failed.load(std::memory_order_relaxed)) {
+      wsrep_slave_threads= wsrep_running_applier_threads;
+      return true;
+    }
+
     WSREP_DEBUG("Running %lu applier threads", wsrep_running_applier_threads);
     wsrep_slave_count_change = 0;
   }
diff --git a/strings/ctype-tis620.c b/strings/ctype-tis620.c
index b6ac880dc9f..e6f6ad24eec 100644
--- a/strings/ctype-tis620.c
+++ b/strings/ctype-tis620.c
@@ -587,6 +587,18 @@ ret:
 }
 
 
+static int
+my_strnncollsp_nchars_tis620(CHARSET_INFO * cs,
+                             const uchar *a, size_t a_length,
+                             const uchar *b, size_t b_length,
+                             size_t nchars)
+{
+  set_if_smaller(a_length, nchars);
+  set_if_smaller(b_length, nchars);
+  return my_strnncollsp_tis620(cs, a, a_length, b, b_length);
+}
+
+
 static
 int my_strnncollsp_tis620_nopad(CHARSET_INFO * cs __attribute__((unused)),
 			        const uchar *a0, size_t a_length,
@@ -854,7 +866,7 @@ static MY_COLLATION_HANDLER my_collation_ci_handler =
     NULL,		/* init */
     my_strnncoll_tis620,
     my_strnncollsp_tis620,
-    my_strnncollsp_nchars_generic_8bit,
+    my_strnncollsp_nchars_tis620,
     my_strnxfrm_tis620,
     my_strnxfrmlen_simple,
     my_like_range_simple,
@@ -870,7 +882,7 @@ static MY_COLLATION_HANDLER my_collation_nopad_ci_handler =
     NULL,		/* init */
     my_strnncoll_tis620,
     my_strnncollsp_tis620_nopad,
-    my_strnncollsp_nchars_generic_8bit,
+    my_strnncollsp_nchars_tis620,
     my_strnxfrm_tis620_nopad,
     my_strnxfrmlen_simple,
     my_like_range_simple,
diff --git a/unittest/strings/strings-t.c b/unittest/strings/strings-t.c
index 773e90bee78..e28e498b6bb 100644
--- a/unittest/strings/strings-t.c
+++ b/unittest/strings/strings-t.c
@@ -1215,6 +1215,7 @@ test_strnncollsp_char()
 
 #ifdef HAVE_CHARSET_tis620
   failed+= strnncollsp_char_mbminlen1("tis620_thai_ci", NULL);
+  failed+= strnncollsp_char_mbminlen1("tis620_thai_nopad_ci", NULL);
 #endif
 
 #ifdef HAVE_CHARSET_big5
diff --git a/wsrep-lib b/wsrep-lib
-Subproject 8bfce04189671eb1f06e0fa83dff8c880f31088
+Subproject f8ff2cfdd4c6424ffd96fc53bcc0f2e1d9ffe13