21 files changed, 404 insertions, 3 deletions
diff --git a/mysql-test/main/ctype_utf16le.result b/mysql-test/main/ctype_utf16le.result
index c43106aa042..aff755d95ae 100644
--- a/mysql-test/main/ctype_utf16le.result
+++ b/mysql-test/main/ctype_utf16le.result
@@ -3000,5 +3000,38 @@ DROP TABLE t1;
 #
 SET DEFAULT_STORAGE_ENGINE=Default;
 #
+# MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+#
+SET NAMES utf8;
+SET SESSION character_set_connection= utf16le;
+CREATE TABLE kv (v TEXT CHARACTER SET latin1);
+CREATE TABLE t (a INT);
+CREATE VIEW v AS SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1';
+LOAD DATA INFILE 'MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv CHARACTER SET latin1;
+SELECT LOWER(v) FROM kv WHERE v LIKE _binary'query=%';
+LOWER(v)
+query=select `information_schema`.`tables`.`table_catalog` as `table_catalog`,`information_schema`.`tables`.`table_schema` as `table_schema`,`information_schema`.`tables`.`table_name` as `table_name`,`information_schema`.`tables`.`table_type` as `table_type`,`information_schema`.`tables`.`engine` as `engine`,`information_schema`.`tables`.`version` as `version`,`information_schema`.`tables`.`row_format` as `row_format`,`information_schema`.`tables`.`table_rows` as `table_rows`,`information_schema`.`tables`.`avg_row_length` as `avg_row_length`,`information_schema`.`tables`.`data_length` as `data_length`,`information_schema`.`tables`.`max_data_length` as `max_data_length`,`information_schema`.`tables`.`index_length` as `index_length`,`information_schema`.`tables`.`data_free` as `data_free`,`information_schema`.`tables`.`auto_increment` as `auto_increment`,`information_schema`.`tables`.`create_time` as `create_time`,`information_schema`.`tables`.`update_time` as `update_time`,`information_schema`.`tables`.`check_time` as `check_time`,`information_schema`.`tables`.`table_collation` as `table_collation`,`information_schema`.`tables`.`checksum` as `checksum`,`information_schema`.`tables`.`create_options` as `create_options`,`information_schema`.`tables`.`table_comment` as `table_comment`,`information_schema`.`tables`.`max_index_length` as `max_index_length`,`information_schema`.`tables`.`temporary` as `temporary` from `information_schema`.`tables` where `information_schema`.`tables`.`table_name` = 't1'
+TRUNCATE TABLE kv;
+SELECT * FROM v;
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT	MAX_INDEX_LENGTH	TEMPORARY
+LOCK TABLE t WRITE;
+UNLOCK TABLES;
+DROP VIEW v;
+DROP TABLE t;
+DROP TABLE kv;
+CREATE TABLE t (a INT);
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT	MAX_INDEX_LENGTH	TEMPORARY
+LOCK TABLE t WRITE;
+UNLOCK TABLES;
+DROP TABLE t;
+CREATE TABLE t (a INT);
+SELECT TABLE_NAME, HEX(TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+TABLE_NAME	HEX(TABLE_NAME)
+SELECT TABLE_NAME, TABLE_SCHEMA, HEX(TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=CONCAT('test',0x00,'1');
+TABLE_NAME	TABLE_SCHEMA	HEX(TABLE_NAME)
+DROP TABLE t;
+SET NAMES utf8;
+#
 # End of 10.2 tests
 #
diff --git a/mysql-test/main/ctype_utf16le.test b/mysql-test/main/ctype_utf16le.test
index 6f8fd71ec34..e3163d2f73e 100644
--- a/mysql-test/main/ctype_utf16le.test
+++ b/mysql-test/main/ctype_utf16le.test
@@ -3,6 +3,7 @@
 -- source include/have_utf32.inc
 -- source include/have_utf8mb4.inc
 
+let $MYSQLD_DATADIR= `select @@datadir`;
 
 SET TIME_ZONE='+03:00';
 
@@ -811,5 +812,41 @@ let $coll_pad='utf16le_bin';
 --source include/ctype_pad_all_engines.inc
 
 --echo #
+--echo # MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+--echo #
+
+
+
+SET NAMES utf8;
+SET SESSION character_set_connection= utf16le;
+
+CREATE TABLE kv (v TEXT CHARACTER SET latin1);
+CREATE TABLE t (a INT);
+CREATE VIEW v AS SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1';
+--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR
+eval LOAD DATA INFILE '$MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv CHARACTER SET latin1;
+SELECT LOWER(v) FROM kv WHERE v LIKE _binary'query=%';
+TRUNCATE TABLE kv;
+SELECT * FROM v;
+LOCK TABLE t WRITE;
+UNLOCK TABLES;
+DROP VIEW v;
+DROP TABLE t;
+DROP TABLE kv;
+
+CREATE TABLE t (a INT);
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+LOCK TABLE t WRITE;
+UNLOCK TABLES;
+DROP TABLE t;
+
+CREATE TABLE t (a INT);
+SELECT TABLE_NAME, HEX(TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+SELECT TABLE_NAME, TABLE_SCHEMA, HEX(TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=CONCAT('test',0x00,'1');
+DROP TABLE t;
+
+SET NAMES utf8;
+
+--echo #
 --echo # End of 10.2 tests
 --echo #
diff --git a/mysql-test/main/ctype_utf8.result b/mysql-test/main/ctype_utf8.result
index 266292edab6..967cfdf8fbc 100644
--- a/mysql-test/main/ctype_utf8.result
+++ b/mysql-test/main/ctype_utf8.result
@@ -11244,6 +11244,23 @@ DROP TABLE t1;
 #
 SET DEFAULT_STORAGE_ENGINE=Default;
 #
+# MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+#
+SET NAMES utf8;
+SET SESSION character_set_connection=latin1;
+CREATE VIEW v1 AS SELECT 'ä' AS c1;
+SELECT c1, HEX(c1) FROM v1;
+c1	HEX(c1)
+ä	E4
+CREATE TABLE kv (v BLOB);
+LOAD DATA INFILE 'MYSQLD_DATADIR/test/v1.frm' REPLACE INTO TABLE kv;
+SELECT * FROM kv WHERE v LIKE _binary'query=%';
+v
+query=select 'ä' AS `c1`
+DROP TABLE kv;
+DROP VIEW v1;
+SET NAMES utf8;
+#
 # End of 10.2 tests
 #
 #
diff --git a/mysql-test/main/ctype_utf8.test b/mysql-test/main/ctype_utf8.test
index 01e5a0e8c80..d01190b2049 100644
--- a/mysql-test/main/ctype_utf8.test
+++ b/mysql-test/main/ctype_utf8.test
@@ -2,6 +2,8 @@
 # Tests with the utf8 character set
 #
 
+let $MYSQLD_DATADIR= `select @@datadir`;
+
 let collation=utf8_unicode_ci;
 --source include/have_collation.inc
 SET TIME_ZONE='+03:00';
@@ -2167,6 +2169,22 @@ let $coll_pad='utf8_bin';
 --source include/ctype_pad_all_engines.inc
 
 --echo #
+--echo # MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+--echo #
+
+SET NAMES utf8;
+SET SESSION character_set_connection=latin1;
+CREATE VIEW v1 AS SELECT 'ä' AS c1;
+SELECT c1, HEX(c1) FROM v1;
+CREATE TABLE kv (v BLOB);
+--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR
+eval LOAD DATA INFILE '$MYSQLD_DATADIR/test/v1.frm' REPLACE INTO TABLE kv;
+SELECT * FROM kv WHERE v LIKE _binary'query=%';
+DROP TABLE kv;
+DROP VIEW v1;
+SET NAMES utf8;
+
+--echo #
 --echo # End of 10.2 tests
 --echo #
 
diff --git a/mysql-test/main/func_json.result b/mysql-test/main/func_json.result
index 4ad7efea8af..74d301abf7a 100644
--- a/mysql-test/main/func_json.result
+++ b/mysql-test/main/func_json.result
@@ -934,6 +934,12 @@ CAST(JSON_EXTRACT('{"x":false}', '$.x') AS DECIMAL) AS cd;
 cf	cd
 0	0
 #
+# MDEV-24585 Assertion `je->s.cs == nice_js->charset()' failed in json_nice.
+#
+SELECT JSON_REPLACE( JSON_DETAILED('["x"]'), '$.a', 'xx' );
+JSON_REPLACE( JSON_DETAILED('["x"]'), '$.a', 'xx' )
+["x"]
+#
 # End of 10.2 tests
 #
 #
diff --git a/mysql-test/main/func_json.test b/mysql-test/main/func_json.test
index d598809adf5..668675551f6 100644
--- a/mysql-test/main/func_json.test
+++ b/mysql-test/main/func_json.test
@@ -552,6 +552,12 @@ SELECT
 
 
 --echo #
+--echo # MDEV-24585 Assertion `je->s.cs == nice_js->charset()' failed in json_nice.
+--echo #
+
+SELECT JSON_REPLACE( JSON_DETAILED('["x"]'), '$.a', 'xx' );
+
+--echo #
 --echo # End of 10.2 tests
 --echo #
 
diff --git a/mysql-test/main/information_schema.result b/mysql-test/main/information_schema.result
index 82f04e0aeb1..be209d1435c 100644
--- a/mysql-test/main/information_schema.result
+++ b/mysql-test/main/information_schema.result
@@ -2242,6 +2242,26 @@ SELECT * FROM v LIMIT ROWS EXAMINED 9;
 ERROR HY000: Sort aborted: 
 DROP VIEW v;
 #
+# MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+#
+CREATE TABLE t (a INT);
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT	MAX_INDEX_LENGTH	TEMPORARY
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=CONCAT('test',0x00,'1');
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT	MAX_INDEX_LENGTH	TEMPORARY
+DROP TABLE t;
+CREATE TABLE `a/~.b` (a INT);
+SELECT TABLE_SCHEMA, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='a/~.b';
+TABLE_SCHEMA	TABLE_NAME
+test	a/~.b
+DROP TABLE `a/~.b`;
+CREATE DATABASE `a/~.b`;
+CREATE TABLE `a/~.b`.t1 (a INT);
+SELECT TABLE_SCHEMA, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='a/~.b';
+TABLE_SCHEMA	TABLE_NAME
+a/~.b	t1
+DROP DATABASE `a/~.b`;
+#
 # End of 10.2 Test
 #
 #
diff --git a/mysql-test/main/information_schema.test b/mysql-test/main/information_schema.test
index 17c029bc81f..284ecdfdf49 100644
--- a/mysql-test/main/information_schema.test
+++ b/mysql-test/main/information_schema.test
@@ -1949,6 +1949,27 @@ SELECT * FROM v LIMIT ROWS EXAMINED 9;
 DROP VIEW v;
 
 --echo #
+--echo # MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+--echo #
+
+# Expect empty sets if requested TABLE_NAME or TABLE_SCHEMA with zero bytes
+CREATE TABLE t (a INT);
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=CONCAT('t',0x00,'1');
+SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=CONCAT('test',0x00,'1');
+DROP TABLE t;
+
+# Make sure check_table_name() does not reject special characters
+CREATE TABLE `a/~.b` (a INT);
+SELECT TABLE_SCHEMA, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='a/~.b';
+DROP TABLE `a/~.b`;
+
+# Make sure check_db_name() does not reject special characters
+CREATE DATABASE `a/~.b`;
+CREATE TABLE `a/~.b`.t1 (a INT);
+SELECT TABLE_SCHEMA, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='a/~.b';
+DROP DATABASE `a/~.b`;
+
+--echo #
 --echo # End of 10.2 Test
 --echo #
 
diff --git a/mysql-test/main/long_unique_innodb.opt b/mysql-test/main/long_unique_innodb.opt
new file mode 100644
index 00000000000..058a129cdc2
--- /dev/null
+++ b/mysql-test/main/long_unique_innodb.opt
@@ -0,0 +1 @@
+--innodb-page-size=8K
diff --git a/mysql-test/main/long_unique_innodb.result b/mysql-test/main/long_unique_innodb.result
index 135bb0808cc..96e5fac7310 100644
--- a/mysql-test/main/long_unique_innodb.result
+++ b/mysql-test/main/long_unique_innodb.result
@@ -131,3 +131,6 @@ connection default;
 drop table t1;
 disconnect con1;
 disconnect con2;
+# MDEV-20131 Assertion `!pk->has_virtual()' failed
+create table t1 (a text, primary key(a(1871))) engine=innodb;
+ERROR 42000: Specified key was too long; max key length is 1536 bytes
diff --git a/mysql-test/main/long_unique_innodb.test b/mysql-test/main/long_unique_innodb.test
index aac68cd2271..dd2d9f94de3 100644
--- a/mysql-test/main/long_unique_innodb.test
+++ b/mysql-test/main/long_unique_innodb.test
@@ -138,3 +138,8 @@ connection default;
 drop table t1;
 disconnect con1;
 disconnect con2;
+
+--echo # MDEV-20131 Assertion `!pk->has_virtual()' failed
+
+--error ER_TOO_LONG_KEY
+create table t1 (a text, primary key(a(1871))) engine=innodb;
diff --git a/mysql-test/main/mysql-metadata.result b/mysql-test/main/mysql-metadata.result
index 51b3eb24f2b..1530465eaf8 100644
--- a/mysql-test/main/mysql-metadata.result
+++ b/mysql-test/main/mysql-metadata.result
@@ -79,7 +79,7 @@ Database:   ``
 Table:      ``
 Org_table:  ``
 Type:       LONG_BLOB (format=json)
-Collation:  binary (63)
+Collation:  latin1_swedish_ci (8)
 Length:     4294967295
 Max_length: 0
 Decimals:   0
diff --git a/mysql-test/main/mysql_upgrade.result b/mysql-test/main/mysql_upgrade.result
index 6bb236b6fb8..2b74c22a078 100644
--- a/mysql-test/main/mysql_upgrade.result
+++ b/mysql-test/main/mysql_upgrade.result
@@ -842,6 +842,78 @@ count(*)
 5
 drop table mysql.global_priv;
 rename table mysql.global_priv_bak to mysql.global_priv;
+#
+# Ensure that mysql_upgrade accounted for 0 password_last_changed
+# and doesn't PASSWORD EXPIRE a user account because < 10.4 zeroed it.
+#
+# switching from mysql.global_priv to mysql.user
+drop view mysql.user_bak;
+drop table mysql.user;
+truncate table mysql.tables_priv;
+FLUSH TABLES mysql.user;
+FLUSH PRIVILEGES;
+CREATE USER mariadb_102;
+UPDATE mysql.user SET password_last_changed=0 WHERE user='mariadb_102';
+FLUSH PRIVILEGES;
+Phase 1/7: Checking and upgrading mysql database
+Processing databases
+mysql
+mysql.column_stats                                 OK
+mysql.columns_priv                                 OK
+mysql.db                                           OK
+mysql.event                                        OK
+mysql.func                                         OK
+mysql.global_priv_bak                              OK
+mysql.gtid_slave_pos                               OK
+mysql.help_category                                OK
+mysql.help_keyword                                 OK
+mysql.help_relation                                OK
+mysql.help_topic                                   OK
+mysql.index_stats                                  OK
+mysql.innodb_index_stats                           OK
+mysql.innodb_table_stats                           OK
+mysql.plugin                                       OK
+mysql.proc                                         OK
+mysql.procs_priv                                   OK
+mysql.proxies_priv                                 OK
+mysql.roles_mapping                                OK
+mysql.servers                                      OK
+mysql.table_stats                                  OK
+mysql.tables_priv                                  OK
+mysql.time_zone                                    OK
+mysql.time_zone_leap_second                        OK
+mysql.time_zone_name                               OK
+mysql.time_zone_transition                         OK
+mysql.time_zone_transition_type                    OK
+mysql.transaction_registry                         OK
+mysql.user                                         OK
+Upgrading from a version before MariaDB-10.1
+Phase 2/7: Installing used storage engines
+Checking for tables with unknown storage engine
+Phase 3/7: Fixing views
+Phase 4/7: Running 'mysql_fix_privilege_tables'
+Phase 5/7: Fixing table and database names
+Phase 6/7: Checking and upgrading tables
+Processing databases
+information_schema
+mtr
+mtr.global_suppressions                            OK
+mtr.test_suppressions                              OK
+performance_schema
+test
+Phase 7/7: Running 'FLUSH PRIVILEGES'
+OK
+SHOW CREATE USER mariadb_102;
+CREATE USER for mariadb_102@%
+CREATE USER `mariadb_102`@`%`
+connect con1,localhost,mariadb_102;
+select current_user();
+current_user()
+mariadb_102@%
+disconnect con1;
+connection default;
+drop table mysql.global_priv;
+rename table mysql.global_priv_bak to mysql.global_priv;
 # End of 10.4 tests
 #
 # Check that mysql_upgrade can be run on mysqldump
diff --git a/mysql-test/main/mysql_upgrade.test b/mysql-test/main/mysql_upgrade.test
index c40bf8b10be..54f47ae8657 100644
--- a/mysql-test/main/mysql_upgrade.test
+++ b/mysql-test/main/mysql_upgrade.test
@@ -356,6 +356,44 @@ select count(*) from mysql.global_priv;
 drop table mysql.global_priv;
 rename table mysql.global_priv_bak to mysql.global_priv;
 
+#
+# MDEV-26363 Former mysql-5.7 tables have password_last_changed to 0
+#            on MariaDB updates, resulting in mysql_upgrade leaving them
+#            with password expired.
+#
+
+--echo #
+--echo # Ensure that mysql_upgrade accounted for 0 password_last_changed
+--echo # and doesn't PASSWORD EXPIRE a user account because < 10.4 zeroed it.
+--echo #
+
+--source include/switch_to_mysql_user.inc
+drop view mysql.user_bak;
+drop table mysql.user;
+truncate table mysql.tables_priv;
+--copy_file std_data/mysql57user.frm $MYSQLD_DATADIR/mysql/user.frm
+--copy_file std_data/mysql57user.MYI $MYSQLD_DATADIR/mysql/user.MYI
+--copy_file std_data/mysql57user.MYD $MYSQLD_DATADIR/mysql/user.MYD
+FLUSH TABLES mysql.user;
+FLUSH PRIVILEGES;
+
+CREATE USER mariadb_102;
+# manually set the value like <10.4 previously did for testing mysql_upgrade.
+UPDATE mysql.user SET password_last_changed=0 WHERE user='mariadb_102';
+FLUSH PRIVILEGES;
+
+--exec $MYSQL_UPGRADE --force 2>&1
+# Should not have "PASSWORD EXPIRED"
+SHOW CREATE USER mariadb_102;
+connect con1,localhost,mariadb_102;
+select current_user();
+disconnect con1;
+connection default;
+
+drop table mysql.global_priv;
+rename table mysql.global_priv_bak to mysql.global_priv;
+--remove_file $MYSQLD_DATADIR/mysql_upgrade_info
+
 --echo # End of 10.4 tests
 
 #
diff --git a/mysql-test/main/sp-code.result b/mysql-test/main/sp-code.result
index f9cbdcce691..462c9f80263 100644
--- a/mysql-test/main/sp-code.result
+++ b/mysql-test/main/sp-code.result
@@ -972,6 +972,30 @@ DROP PROCEDURE testp_bug11763507;
 DROP FUNCTION testf_bug11763507;
 #END OF BUG#11763507 test.
 #
+# MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+#
+SET NAMES utf8;
+SET SESSION character_set_connection=latin1;
+CREATE PROCEDURE p1()
+BEGIN
+DECLARE a VARCHAR(10) CHARACTER SET utf8;
+SET a='ä';
+SELECT a, 'ä' AS b;
+END;
+$$
+SHOW PROCEDURE CODE p1;
+Pos	Instruction
+0	set a@0 NULL
+1	set a@0 'ä'
+2	stmt 0 "SELECT a, 'ä' AS b"
+CALL p1;
+a	b
+ä	ä
+DROP PROCEDURE p1;
+#
+# End of 10.2 tests
+#
+#
 # MDEV-13581 ROW TYPE OF t1 and t1%ROWTYPE for routine parameters
 #
 CREATE TABLE t1 (a INT, b TEXT);
@@ -1330,6 +1354,9 @@ Pos	Instruction
 5	hpop 1
 drop function f1;
 #
+# End of 10.3 tests
+#
+#
 # MDEV-19640 Wrong SHOW PROCEDURE output for SET GLOBAL sysvar1=expr, sysvar2=expr
 #
 CREATE OR REPLACE PROCEDURE p1()
@@ -1344,3 +1371,6 @@ Pos	Instruction
 1	stmt 31 "SET GLOBAL max_error_count=60"
 2	stmt 0 "SELECT @@GLOBAL.max_allowed_packet, @..."
 DROP PROCEDURE p1;
+#
+# End of 10.5 tests
+#
diff --git a/mysql-test/main/sp-code.test b/mysql-test/main/sp-code.test
index 10bf1ba1322..eef3382f214 100644
--- a/mysql-test/main/sp-code.test
+++ b/mysql-test/main/sp-code.test
@@ -738,6 +738,30 @@ DROP FUNCTION testf_bug11763507;
 
 
 --echo #
+--echo # MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
+--echo #
+
+SET NAMES utf8;
+SET SESSION character_set_connection=latin1;
+DELIMITER $$;
+CREATE PROCEDURE p1()
+BEGIN
+  DECLARE a VARCHAR(10) CHARACTER SET utf8;
+  SET a='ä';
+  SELECT a, 'ä' AS b;
+END;
+$$
+DELIMITER ;$$
+SHOW PROCEDURE CODE p1;
+CALL p1;
+DROP PROCEDURE p1;
+
+--echo #
+--echo # End of 10.2 tests
+--echo #
+
+
+--echo #
 --echo # MDEV-13581 ROW TYPE OF t1 and t1%ROWTYPE for routine parameters
 --echo #
 
@@ -948,6 +972,10 @@ delimiter ;|
 show function code f1;
 drop function f1;
 
+--echo #
+--echo # End of 10.3 tests
+--echo #
+
 
 --echo #
 --echo # MDEV-19640 Wrong SHOW PROCEDURE output for SET GLOBAL sysvar1=expr, sysvar2=expr
@@ -963,3 +991,7 @@ $$
 DELIMITER ;$$
 SHOW PROCEDURE CODE p1;
 DROP PROCEDURE p1;
+
+--echo #
+--echo # End of 10.5 tests
+--echo #
diff --git a/mysql-test/main/type_json.result b/mysql-test/main/type_json.result
index 2c4f7b7d42b..dfe4699b361 100644
--- a/mysql-test/main/type_json.result
+++ b/mysql-test/main/type_json.result
@@ -121,8 +121,8 @@ js0	js1	js2	js3
 SELECT js0, JSON_COMPACT(js0), JSON_COMPACT('{}') FROM t1;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
 def	test	t1	t1	js0	js0	252 (format=json)	4294967295	0	Y	144	0	33
-def					JSON_COMPACT(js0)	251 (format=json)	4294967295	0	Y	128	0	63
-def					JSON_COMPACT('{}')	253 (format=json)	6	0	Y	128	0	63
+def					JSON_COMPACT(js0)	251 (format=json)	4294967295	0	Y	128	0	33
+def					JSON_COMPACT('{}')	253 (format=json)	6	0	Y	0	0	33
 js0	JSON_COMPACT(js0)	JSON_COMPACT('{}')
 DROP TABLE t1;
 #
diff --git a/mysql-test/main/view.result b/mysql-test/main/view.result
index c9ef634e447..fa3afd93dfa 100644
--- a/mysql-test/main/view.result
+++ b/mysql-test/main/view.result
@@ -6835,6 +6835,17 @@ SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
 drop view v1;
 drop table t1;
 #
+# MDEV-26299: Some views force server (and mysqldump) to generate
+# invalid SQL for their definitions
+#
+create view v1 as
+select * from
+(select
+"12345678901234567890123456789012345678901234567890123456789012345") as t1;
+drop view v1;
+CREATE VIEW v1 AS select `t1`.`12345678901234567890123456789012345678901234567890123456789012345` AS `Name_exp_1` from (select '12345678901234567890123456789012345678901234567890123456789012345') `t1`;
+drop view v1;
+#
 # End of 10.2 tests
 #
 #
diff --git a/mysql-test/main/view.test b/mysql-test/main/view.test
index 4345abf1bd8..11476d5d49e 100644
--- a/mysql-test/main/view.test
+++ b/mysql-test/main/view.test
@@ -6549,6 +6549,25 @@ SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
 drop view v1;
 drop table t1;
 
+
+--echo #
+--echo # MDEV-26299: Some views force server (and mysqldump) to generate
+--echo # invalid SQL for their definitions
+--echo #
+
+create view v1 as
+ select * from
+  (select
+  "12345678901234567890123456789012345678901234567890123456789012345") as t1;
+
+let $definition=`select VIEW_DEFINITION from information_schema.views where TABLE_NAME="v1"`;
+
+drop view v1;
+
+eval CREATE VIEW v1 AS $definition;
+
+drop view v1;
+
 --echo #
 --echo # End of 10.2 tests
 --echo #
diff --git a/mysql-test/main/xa.result b/mysql-test/main/xa.result
index 50089bb1d5e..75f32a1a0aa 100644
--- a/mysql-test/main/xa.result
+++ b/mysql-test/main/xa.result
@@ -453,6 +453,21 @@ Message	XAER_RMFAIL: The command cannot be executed when global transaction is i
 xa commit 'foo';
 drop table t1;
 #
+# MDEV-22445 Crash on HANDLER READ NEXT after XA PREPARE
+#
+CREATE TABLE t (a INT KEY) ENGINE=InnoDB;
+HANDLER t OPEN AS t;
+XA START '0';
+SELECT * FROM t;
+a
+XA END '0';
+XA PREPARE '0';
+HANDLER t READ NEXT;
+ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the  PREPARED state
+# Cleanup
+XA COMMIT '0';
+DROP TABLE t;
+#
 # End of 10.2 tests
 #
 XA BEGIN 'xid';
diff --git a/mysql-test/main/xa.test b/mysql-test/main/xa.test
index 499cbeaa88f..408c7e01c9d 100644
--- a/mysql-test/main/xa.test
+++ b/mysql-test/main/xa.test
@@ -597,6 +597,23 @@ xa commit 'foo';
 drop table t1;
 
 --echo #
+--echo # MDEV-22445 Crash on HANDLER READ NEXT after XA PREPARE
+--echo #
+
+CREATE TABLE t (a INT KEY) ENGINE=InnoDB;
+HANDLER t OPEN AS t;
+XA START '0';
+SELECT * FROM t;
+XA END '0';
+XA PREPARE '0';
+--error ER_XAER_RMFAIL
+HANDLER t READ NEXT;
+
+--echo # Cleanup
+XA COMMIT '0';
+DROP TABLE t;
+
+--echo #
 --echo # End of 10.2 tests
 --echo #