Bug # 11766011: mysql.user.authentication_string column causes

  configuration wizard to fail

Made the fields mysql.user.plugin and mysql.user.authentication_string
nullable to conform with some older clients doing inserts instead of 
using the commands.

mysql-test/r/grant.result

@@ -54,7 +54,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3-SHA'
@@ -125,7 +125,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10
@@ -172,7 +172,7 @@ max_updates	20
 max_connections	30
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10 MAX_UPDATES_PER_HOUR 20 MAX_CONNECTIONS_PER_HOUR 30
@@ -284,7 +284,6 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
-Warning	1364	Field 'authentication_string' doesn't have a default value
 insert into mysql.db (host, db, user, select_priv) values
 ('localhost', 'a%', 'test11', 'Y'), ('localhost', 'ab%', 'test11', 'Y');
 alter table mysql.db order by db asc;

mysql-test/r/grant2.result

@@ -287,7 +287,6 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
-Warning	1364	Field 'authentication_string' doesn't have a default value
 create user mysqltest_A@'%';
 rename user mysqltest_B@'%' to mysqltest_C@'%';
 drop user mysqltest_C@'%';
@@ -355,7 +354,6 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
-Warning	1364	Field 'authentication_string' doesn't have a default value
 INSERT INTO mysql.db (host, db, user, select_priv) VALUES
 ('%','TESTDB','mysqltest_1','Y');
 FLUSH PRIVILEGES;

mysql-test/r/plugin_auth.result

@@ -342,4 +342,62 @@ select USER(),CURRENT_USER();
 USER()	CURRENT_USER()
 uplain@localhost	uplain@localhost
 DROP USER uplain@localhost;
+#
+# Bug #59038 : mysql.user.authentication_string column 
+#   causes configuration wizard to fail
+INSERT INTO mysql.user(
+Host, 
+User, 
+Password,  
+Select_priv, 
+Insert_priv,
+Update_priv, 
+Delete_priv, 
+Create_priv, 
+Drop_priv,  
+Reload_priv, 
+Shutdown_priv,
+Process_priv, 
+File_priv, 
+Grant_priv, 
+References_priv,  
+Index_priv, 
+Alter_priv,
+Show_db_priv, 
+Super_priv, 
+Create_tmp_table_priv, 
+Lock_tables_priv,  
+Execute_priv,
+Repl_slave_priv, 
+Repl_client_priv, 
+/*!50001 
+Create_view_priv, 
+Show_view_priv, 
+Create_routine_priv, 
+Alter_routine_priv, 
+Create_user_priv, 
+*/ 
+ssl_type, 
+ssl_cipher,
+x509_issuer, 
+x509_subject, 
+max_questions, 
+max_updates, 
+max_connections)
+VALUES (
+'localhost', 
+'inserttest', '', 
+'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y',
+'Y', 'Y',  'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 
+/*!50001 'Y', 'Y', 'Y', 'Y', 'Y', */'', '', '', '', '0', '0', '0');
+FLUSH PRIVILEGES;
+DROP USER inserttest@localhost;
+SELECT IS_NULLABLE, COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE 
+COLUMN_NAME IN ('authentication_string', 'plugin') AND 
+TABLE_NAME='user' AND
+TABLE_SCHEMA='mysql'
+ORDER BY COLUMN_NAME;
+IS_NULLABLE	COLUMN_NAME
+YES	authentication_string
+YES	plugin
 End of 5.5 tests

mysql-test/r/plugin_auth_qa.result

@@ -105,7 +105,7 @@ CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 plug	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 DROP USER plug, plug_dest;
 CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -115,7 +115,7 @@ DROP USER plug;
 CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 DROP USER plug_dest;
 GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -125,7 +125,7 @@ CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 plug	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 DROP USER plug, plug_dest;
 GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS 'plug_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -135,7 +135,7 @@ DROP USER plug;
 CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 DROP USER plug_dest;
 CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -145,7 +145,7 @@ GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_dest_pas
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 plug	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 DROP USER plug, plug_dest;
 CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -155,7 +155,7 @@ DROP USER plug;
 GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 DROP USER plug_dest;
 CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
 GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
@@ -210,7 +210,7 @@ DROP USER plüg;
 CREATE USER plüg_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plüg_dest		
+plüg_dest		NULL
 DROP USER plüg_dest;
 SET NAMES ascii;
 CREATE USER 'plüg' IDENTIFIED WITH 'test_plugin_server' AS 'plüg_dest';
@@ -221,7 +221,7 @@ DROP USER 'plüg';
 CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-pl??g_dest		
+pl??g_dest		NULL
 DROP USER 'plüg_dest';
 SET NAMES latin1;
 ========== test 1.1.1.5 ====================================
@@ -235,7 +235,7 @@ DROP USER 'plug';
 CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plüg_dest		
+plüg_dest		NULL
 DROP USER 'plüg_dest';
 SET NAMES utf8;
 CREATE USER plüg IDENTIFIED WITH 'test_plügin_server' AS 'plüg_dest';
@@ -248,7 +248,7 @@ DROP USER 'plüg';
 CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plüg_dest		
+plüg_dest		NULL
 DROP USER 'plüg_dest';
 CREATE USER plüg IDENTIFIED WITH test_plugin_server AS 'plüg_dest';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
@@ -258,7 +258,7 @@ DROP USER plüg;
 CREATE USER plüg_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plüg_dest		
+plüg_dest		NULL
 DROP USER plüg_dest;
 ========== test 1.1.1.2/1.1.2.2=============================
 SET @auth_name= 'test_plugin_server';
@@ -278,7 +278,7 @@ DROP USER plug;
 CREATE USER 'hh''s_plug_dest' IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-hh's_plug_dest		
+hh's_plug_dest		NULL
 DROP USER 'hh''s_plug_dest';
 ========== test 1.1.1.4 ====================================
 CREATE USER plug IDENTIFIED WITH hh''s_test_plugin_server AS 'plug_dest';
@@ -294,7 +294,7 @@ GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 grant_user	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 DROP USER grant_user,plug_dest;
 set @save_sql_mode= @@sql_mode;
 SET @@sql_mode=no_auto_create_user;
@@ -315,13 +315,13 @@ CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
 SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string	password
 grant_user	test_plugin_server	plug_dest	
-plug_dest			*939AEE68989794C0F408277411C26055CDF41119
+plug_dest		NULL	*939AEE68989794C0F408277411C26055CDF41119
 DROP USER plug_dest;
 GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_user_passwd';
 SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string	password
 grant_user	test_plugin_server	plug_dest	
-plug_dest			*560881EB651416CEF77314D07D55EDCD5FC1BD6D
+plug_dest		NULL	*560881EB651416CEF77314D07D55EDCD5FC1BD6D
 DROP USER grant_user,plug_dest;
 set @@sql_mode= @save_sql_mode;
 DROP DATABASE test_user_db;

mysql-test/r/plugin_auth_qa_1.result

@@ -20,7 +20,7 @@ GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_dest_pas
 GRANT PROXY ON plug_dest TO plug_user;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 plug_user	test_plugin_server	plug_dest
 1)
 current_user()
@@ -73,7 +73,7 @@ GRANT PROXY ON new_dest TO plug_user;
 ERROR 1045 (28000): Access denied for user 'plug_user'@'localhost' (using password: YES)
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-new_dest		
+new_dest		NULL
 plug_user	test_plugin_server	plug_dest
 DROP USER plug_user,new_dest;
 CREATE USER plug_user
@@ -91,7 +91,7 @@ GRANT PROXY ON new_dest TO plug_user;
 ERROR 1045 (28000): Access denied for user 'plug_user'@'localhost' (using password: YES)
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-new_dest		
+new_dest		NULL
 plug_user	test_plugin_server	plug_dest
 DROP USER plug_user,new_dest;
 CREATE USER plug_user
@@ -113,13 +113,13 @@ connection default;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 new_user	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 disconnect plug_user;
 UPDATE mysql.user SET user='plug_user' WHERE user='new_user';
 FLUSH PRIVILEGES;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 plug_user	test_plugin_server	plug_dest
 DROP USER plug_dest,plug_user;
 ========== test 1.3 ========================================
@@ -135,26 +135,26 @@ connection default;
 disconnect plug_user;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-plug_dest		
+plug_dest		NULL
 plug_user	test_plugin_server	plug_dest
 UPDATE mysql.user SET user='new_user' WHERE user='plug_user';
 FLUSH PRIVILEGES;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 new_user	test_plugin_server	plug_dest
-plug_dest		
+plug_dest		NULL
 UPDATE mysql.user SET authentication_string='new_dest' WHERE user='new_user';
 FLUSH PRIVILEGES;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 new_user	test_plugin_server	new_dest
-plug_dest		
+plug_dest		NULL
 UPDATE mysql.user SET plugin='new_plugin_server' WHERE user='new_user';
 FLUSH PRIVILEGES;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 new_user	new_plugin_server	new_dest
-plug_dest		
+plug_dest		NULL
 connect(plug_user,localhost,new_user,new_dest);
 ERROR HY000: Plugin 'new_plugin_server' is not loaded
 UPDATE mysql.user SET plugin='test_plugin_server' WHERE user='new_user';
@@ -163,7 +163,7 @@ FLUSH PRIVILEGES;
 GRANT PROXY ON new_dest TO new_user;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-new_dest		
+new_dest		NULL
 new_user	test_plugin_server	new_dest
 connect(plug_user,localhost,new_user,new_dest);
 select USER(),CURRENT_USER();
@@ -176,9 +176,9 @@ FLUSH PRIVILEGES;
 CREATE USER new_dest IDENTIFIED BY 'new_dest_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-new_dest		
+new_dest		NULL
 new_user	test_plugin_server	new_dest
-plug_dest		
+plug_dest		NULL
 GRANT ALL PRIVILEGES ON test.* TO new_user;
 connect(plug_user,localhost,new_dest,new_dest_passwd);
 select USER(),CURRENT_USER();
@@ -193,7 +193,7 @@ CREATE USER proxied_user IDENTIFIED BY 'proxied_user_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 	test_plugin_server	proxied_user
-proxied_user		
+proxied_user		NULL
 connect(proxy_con,localhost,proxied_user,proxied_user_passwd);
 SELECT USER(),CURRENT_USER();
 USER()	CURRENT_USER()
@@ -230,7 +230,7 @@ CREATE USER proxied_user IDENTIFIED BY 'proxied_user_passwd';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 	test_plugin_server	proxied_user
-proxied_user		
+proxied_user		NULL
 connect(proxy_con,localhost,proxied_user,proxied_user_passwd);
 SELECT USER(),CURRENT_USER();
 USER()	CURRENT_USER()
@@ -273,11 +273,11 @@ GRANT PROXY ON proxied_user_5 TO ''@'';
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
 	test_plugin_server	proxied_user
-proxied_user_1		
-proxied_user_2		
-proxied_user_3		
-proxied_user_4		
-proxied_user_5		
+proxied_user_1		NULL
+proxied_user_2		NULL
+proxied_user_3		NULL
+proxied_user_4		NULL
+proxied_user_5		NULL
 connect(proxy_con_1,localhost,proxied_user_1,'proxied_user_1_pwd');
 connect(proxy_con_2,localhost,proxied_user_2,proxied_user_2_pwd);
 connect(proxy_con_3,localhost,proxied_user_3,proxied_user_3_pwd);

mysql-test/r/plugin_auth_qa_2.result

@@ -7,7 +7,7 @@ GRANT ALL PRIVILEGES ON test_user_db.* TO qa_test_1_dest identified by 'dest_pas
 GRANT PROXY ON qa_test_1_dest TO qa_test_1_user;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-qa_test_1_dest		
+qa_test_1_dest		NULL
 qa_test_1_user	qa_auth_interface	qa_test_1_dest
 SELECT @@proxy_user;
 @@proxy_user
@@ -20,7 +20,7 @@ current_user()	user()	@@local.proxy_user	@@local.external_user
 qa_test_1_user@%	qa_test_1_user@localhost	NULL	NULL
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-qa_test_1_dest		
+qa_test_1_dest		NULL
 qa_test_1_user	qa_auth_interface	qa_test_1_dest
 DROP USER qa_test_1_user;
 DROP USER qa_test_1_dest;
@@ -33,8 +33,8 @@ GRANT PROXY ON qa_test_2_dest TO qa_test_2_user;
 GRANT PROXY ON authenticated_as TO qa_test_2_user;
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-authenticated_as		
-qa_test_2_dest		
+authenticated_as		NULL
+qa_test_2_dest		NULL
 qa_test_2_user	qa_auth_interface	qa_test_2_dest
 SELECT @@proxy_user;
 @@proxy_user
@@ -47,8 +47,8 @@ current_user()	user()	@@local.proxy_user	@@local.external_user
 authenticated_as@%	user_name@localhost	'qa_test_2_user'@'%'	'qa_test_2_user'@'%'
 SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string
-authenticated_as		
-qa_test_2_dest		
+authenticated_as		NULL
+qa_test_2_dest		NULL
 qa_test_2_user	qa_auth_interface	qa_test_2_dest
 DROP USER qa_test_2_user;
 DROP USER qa_test_2_dest;
@@ -83,8 +83,8 @@ GRANT PROXY ON qa_test_5_dest TO qa_test_5_user;
 GRANT PROXY ON qa_test_5_dest TO ''@'localhost';
 SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
 user	plugin	authentication_string	password
-			*DFCACE76914AD7BD801FC1A1ECF6562272621A22
-qa_test_5_dest			*DFCACE76914AD7BD801FC1A1ECF6562272621A22
+		NULL	*DFCACE76914AD7BD801FC1A1ECF6562272621A22
+qa_test_5_dest		NULL	*DFCACE76914AD7BD801FC1A1ECF6562272621A22
 qa_test_5_user	qa_auth_interface	qa_test_5_dest	
 exec MYSQL PLUGIN_AUTH_OPT -h localhost -P MASTER_MYPORT --user=qa_test_5_user  --password=qa_test_5_dest test_user_db -e "SELECT current_user(),user(),@@local.proxy_user,@@local.external_user;" 2>&1
 ERROR 1045 (28000): Access denied for user 'qa_test_5_user'@'localhost' (using password: YES)
@@ -98,7 +98,7 @@ GRANT ALL PRIVILEGES ON test_user_db.* TO qa_test_6_dest identified by 'dest_pas
 GRANT PROXY ON qa_test_6_dest TO qa_test_6_user;
 SELECT user,plugin,authentication_string,password FROM mysql.user;
 user	plugin	authentication_string	password
-qa_test_6_dest			*DFCACE76914AD7BD801FC1A1ECF6562272621A22
+qa_test_6_dest		NULL	*DFCACE76914AD7BD801FC1A1ECF6562272621A22
 qa_test_6_user	qa_auth_interface	qa_test_6_dest	
 root			
 root			
@@ -109,7 +109,7 @@ ERROR 1045 (28000): Access denied for user 'qa_test_6_user'@'localhost' (using p
 GRANT PROXY ON qa_test_6_dest TO root IDENTIFIED WITH qa_auth_interface AS 'qa_test_6_dest';
 SELECT user,plugin,authentication_string,password FROM mysql.user;
 user	plugin	authentication_string	password
-qa_test_6_dest			*DFCACE76914AD7BD801FC1A1ECF6562272621A22
+qa_test_6_dest		NULL	*DFCACE76914AD7BD801FC1A1ECF6562272621A22
 qa_test_6_user	qa_auth_interface	qa_test_6_dest	
 root			
 root			
@@ -121,7 +121,7 @@ ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: Y
 REVOKE PROXY ON qa_test_6_dest FROM root;
 SELECT user,plugin,authentication_string FROM mysql.user;
 user	plugin	authentication_string
-qa_test_6_dest		
+qa_test_6_dest		NULL
 qa_test_6_user	qa_auth_interface	qa_test_6_dest
 root		
 root		

mysql-test/r/sp_notembedded.result

@@ -249,8 +249,6 @@ max_updates, max_connections, max_user_connections)
 VALUES('%', 'mysqltest_1', password(''), 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'N', 'N', 'N',
 'N', 'N', 'N', 'Y', 'Y', 'N', 'N', 'Y', 'Y', 'N', 'N', 'N', 'N', 'N', 'Y', 'Y', 'N', '',
 '', '', '', '0', '0', '0', '0');
-Warnings:
-Warning	1364	Field 'authentication_string' doesn't have a default value
 FLUSH PRIVILEGES;
 CREATE PROCEDURE p1(i INT) BEGIN END;
 DROP PROCEDURE p1;

mysql-test/r/system_mysql_db.result

@@ -120,8 +120,8 @@ user	CREATE TABLE `user` (
   `max_updates` int(11) unsigned NOT NULL DEFAULT '0',
   `max_connections` int(11) unsigned NOT NULL DEFAULT '0',
   `max_user_connections` int(11) unsigned NOT NULL DEFAULT '0',
-  `plugin` char(64) COLLATE utf8_bin NOT NULL DEFAULT '',
-  `authentication_string` text COLLATE utf8_bin NOT NULL,
+  `plugin` char(64) COLLATE utf8_bin DEFAULT '',
+  `authentication_string` text COLLATE utf8_bin,
   PRIMARY KEY (`Host`,`User`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Users and global privileges'
 show create table func;

mysql-test/suite/funcs_1/r/is_columns_mysql.result

@@ -185,7 +185,7 @@ def	mysql	time_zone_transition_type	Time_zone_id	1	NULL	NO	int	NULL	NULL	10	0	NU
 def	mysql	time_zone_transition_type	Transition_type_id	2	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(10) unsigned	PRI		select,insert,update,references	
 def	mysql	user	Alter_priv	17	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
 def	mysql	user	Alter_routine_priv	28	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
-def	mysql	user	authentication_string	42	NULL	NO	text	65535	65535	NULL	NULL	utf8	utf8_bin	text			select,insert,update,references	
+def	mysql	user	authentication_string	42	NULL	YES	text	65535	65535	NULL	NULL	utf8	utf8_bin	text			select,insert,update,references	
 def	mysql	user	Create_priv	8	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
 def	mysql	user	Create_routine_priv	27	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
 def	mysql	user	Create_tablespace_priv	32	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
@@ -207,7 +207,7 @@ def	mysql	user	max_questions	37	0	NO	int	NULL	NULL	10	0	NULL	NULL	int(11) unsign
 def	mysql	user	max_updates	38	0	NO	int	NULL	NULL	10	0	NULL	NULL	int(11) unsigned			select,insert,update,references	
 def	mysql	user	max_user_connections	40	0	NO	int	NULL	NULL	10	0	NULL	NULL	int(11) unsigned			select,insert,update,references	
 def	mysql	user	Password	3		NO	char	41	41	NULL	NULL	latin1	latin1_bin	char(41)			select,insert,update,references	
-def	mysql	user	plugin	41		NO	char	64	192	NULL	NULL	utf8	utf8_bin	char(64)			select,insert,update,references	
+def	mysql	user	plugin	41		YES	char	64	192	NULL	NULL	utf8	utf8_bin	char(64)			select,insert,update,references	
 def	mysql	user	Process_priv	12	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
 def	mysql	user	References_priv	15	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	
 def	mysql	user	Reload_priv	10	N	NO	enum	1	3	NULL	NULL	utf8	utf8_general_ci	enum('N','Y')			select,insert,update,references	

mysql-test/suite/funcs_1/r/is_user_privileges.result

@@ -128,7 +128,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -170,7 +170,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -212,7 +212,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 #
 # Add GRANT OPTION db_datadict.* to testuser1;
 GRANT UPDATE ON db_datadict.* TO 'testuser1'@'localhost' WITH GRANT OPTION;
@@ -278,7 +278,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -320,7 +320,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -362,7 +362,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 # Establish connection testuser1 (user=testuser1)
 SELECT * FROM information_schema.user_privileges
 WHERE grantee LIKE '''testuser%'''
@@ -414,7 +414,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -456,7 +456,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -498,7 +498,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 SHOW GRANTS;
 Grants for testuser1@localhost
 GRANT USAGE ON *.* TO 'testuser1'@'localhost'
@@ -572,7 +572,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -614,7 +614,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -656,7 +656,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 GRANT SELECT ON *.* TO 'testuser1'@'localhost' WITH GRANT OPTION;
 #
 # Here <SELECT YES> is shown correctly for testuser1;
@@ -722,7 +722,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -764,7 +764,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -806,7 +806,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 # Switch to connection testuser1
 SELECT * FROM information_schema.user_privileges
 WHERE grantee LIKE '''testuser%'''
@@ -858,7 +858,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -900,7 +900,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -942,7 +942,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 SHOW GRANTS;
 Grants for testuser1@localhost
 GRANT SELECT ON *.* TO 'testuser1'@'localhost' WITH GRANT OPTION
@@ -1046,7 +1046,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -1088,7 +1088,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -1130,7 +1130,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 # Switch to connection testuser1
 SELECT * FROM information_schema.user_privileges
 WHERE grantee LIKE '''testuser%'''
@@ -1229,7 +1229,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -1271,7 +1271,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -1313,7 +1313,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 # Switch to connection testuser1
 SELECT * FROM information_schema.user_privileges
 WHERE grantee LIKE '''testuser%'''
@@ -1365,7 +1365,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -1407,7 +1407,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -1449,7 +1449,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 SHOW GRANTS;
 Grants for testuser1@localhost
 GRANT USAGE ON *.* TO 'testuser1'@'localhost'
@@ -1508,7 +1508,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -1550,7 +1550,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -1592,7 +1592,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 SHOW GRANTS;
 Grants for testuser1@localhost
 GRANT USAGE ON *.* TO 'testuser1'@'localhost'
@@ -1666,7 +1666,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser2
 Password	
@@ -1708,7 +1708,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 Host	localhost
 User	testuser3
 Password	
@@ -1750,7 +1750,7 @@ max_updates	0
 max_connections	0
 max_user_connections	0
 plugin	
-authentication_string	
+authentication_string	NULL
 # Switch to connection testuser1
 SELECT * FROM information_schema.user_privileges
 WHERE grantee LIKE '''testuser%'''

mysql-test/suite/rpl/r/rpl_ignore_table.result

@@ -30,7 +30,6 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
-Warning	1364	Field 'authentication_string' doesn't have a default value
 GRANT SELECT ON *.* TO mysqltest6@localhost;
 GRANT INSERT ON *.* TO mysqltest6@localhost;
 GRANT INSERT ON test.* TO mysqltest6@localhost;

mysql-test/suite/rpl/r/rpl_stm_000001.result

@@ -62,7 +62,6 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
-Warning	1364	Field 'authentication_string' doesn't have a default value
 select select_priv,user from mysql.user where user = _binary'blafasel2';
 select_priv	user
 N	blafasel2

mysql-test/t/plugin_auth.test

@@ -433,4 +433,61 @@ connection default;
 disconnect cleartext_con;
 DROP USER uplain@localhost;
 
+--echo #
+--echo # Bug #59038 : mysql.user.authentication_string column 
+--echo #   causes configuration wizard to fail
+
+INSERT INTO mysql.user(
+  Host, 
+  User, 
+  Password,  
+  Select_priv, 
+  Insert_priv,
+  Update_priv, 
+  Delete_priv, 
+  Create_priv, 
+  Drop_priv,  
+  Reload_priv, 
+  Shutdown_priv,
+  Process_priv, 
+  File_priv, 
+  Grant_priv, 
+  References_priv,  
+  Index_priv, 
+  Alter_priv,
+  Show_db_priv, 
+  Super_priv, 
+  Create_tmp_table_priv, 
+  Lock_tables_priv,  
+  Execute_priv,
+  Repl_slave_priv, 
+  Repl_client_priv, 
+  /*!50001 
+  Create_view_priv, 
+  Show_view_priv, 
+  Create_routine_priv, 
+  Alter_routine_priv, 
+  Create_user_priv, 
+  */ 
+  ssl_type, 
+  ssl_cipher,
+  x509_issuer, 
+  x509_subject, 
+  max_questions, 
+  max_updates, 
+  max_connections)
+VALUES (
+  'localhost', 
+  'inserttest', '', 
+  'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y',
+  'Y', 'Y',  'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 
+  /*!50001 'Y', 'Y', 'Y', 'Y', 'Y', */'', '', '', '', '0', '0', '0');
+FLUSH PRIVILEGES;
+DROP USER inserttest@localhost;
+SELECT IS_NULLABLE, COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE 
+  COLUMN_NAME IN ('authentication_string', 'plugin') AND 
+  TABLE_NAME='user' AND
+  TABLE_SCHEMA='mysql'
+ORDER BY COLUMN_NAME;
+
 --echo End of 5.5 tests

scripts/mysql_system_tables.sql

@@ -28,7 +28,7 @@ set @had_db_table= @@warning_count != 0;
 CREATE TABLE IF NOT EXISTS host (  Host char(60) binary DEFAULT '' NOT NULL, Db char(64) binary DEFAULT '' NOT NULL, Select_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Insert_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Update_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Delete_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Drop_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Grant_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, References_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Index_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_tmp_table_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Lock_tables_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Show_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Execute_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Trigger_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, PRIMARY KEY Host (Host,Db) ) engine=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Host privileges;  Merged with database privileges';
 
 
-CREATE TABLE IF NOT EXISTS user (   Host char(60) binary DEFAULT '' NOT NULL, User char(16) binary DEFAULT '' NOT NULL, Password char(41) character set latin1 collate latin1_bin DEFAULT '' NOT NULL, Select_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Insert_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Update_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Delete_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Drop_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Reload_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Shutdown_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Process_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, File_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Grant_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, References_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Index_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Show_db_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Super_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_tmp_table_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Lock_tables_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Execute_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Repl_slave_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Repl_client_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Show_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_user_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Event_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Trigger_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_tablespace_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, ssl_type enum('','ANY','X509', 'SPECIFIED') COLLATE utf8_general_ci DEFAULT '' NOT NULL, ssl_cipher BLOB NOT NULL, x509_issuer BLOB NOT NULL, x509_subject BLOB NOT NULL, max_questions int(11) unsigned DEFAULT 0  NOT NULL, max_updates int(11) unsigned DEFAULT 0  NOT NULL, max_connections int(11) unsigned DEFAULT 0  NOT NULL, max_user_connections int(11) unsigned DEFAULT 0  NOT NULL, plugin char(64) DEFAULT '' NOT NULL, authentication_string TEXT NOT NULL, PRIMARY KEY Host (Host,User) ) engine=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Users and global privileges';
+CREATE TABLE IF NOT EXISTS user (   Host char(60) binary DEFAULT '' NOT NULL, User char(16) binary DEFAULT '' NOT NULL, Password char(41) character set latin1 collate latin1_bin DEFAULT '' NOT NULL, Select_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Insert_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Update_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Delete_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Drop_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Reload_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Shutdown_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Process_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, File_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Grant_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, References_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Index_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Show_db_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Super_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_tmp_table_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Lock_tables_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Execute_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Repl_slave_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Repl_client_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Show_view_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Alter_routine_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_user_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Event_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Trigger_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, Create_tablespace_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL, ssl_type enum('','ANY','X509', 'SPECIFIED') COLLATE utf8_general_ci DEFAULT '' NOT NULL, ssl_cipher BLOB NOT NULL, x509_issuer BLOB NOT NULL, x509_subject BLOB NOT NULL, max_questions int(11) unsigned DEFAULT 0  NOT NULL, max_updates int(11) unsigned DEFAULT 0  NOT NULL, max_connections int(11) unsigned DEFAULT 0  NOT NULL, max_user_connections int(11) unsigned DEFAULT 0  NOT NULL, plugin char(64) DEFAULT '', authentication_string TEXT, PRIMARY KEY Host (Host,User) ) engine=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Users and global privileges';
 
 -- Remember for later if user table already existed
 set @had_user_table= @@warning_count != 0;

scripts/mysql_system_tables_fix.sql

@@ -640,8 +640,8 @@ DROP PREPARE stmt;
 
 drop procedure mysql.die;
 
-ALTER TABLE user ADD plugin char(64) DEFAULT '' NOT NULL,  ADD authentication_string TEXT NOT NULL;
-ALTER TABLE user MODIFY plugin char(64) DEFAULT '' NOT NULL;
+ALTER TABLE user ADD plugin char(64) DEFAULT '',  ADD authentication_string TEXT;
+ALTER TABLE user MODIFY plugin char(64) DEFAULT '';
 
 -- Need to pre-fill mysql.proxies_priv with access for root even when upgrading from
 -- older versions

sql/sql_acl.cc

@@ -2402,8 +2402,10 @@ static int replace_user_table(THD *thd, TABLE *table, const LEX_USER &combo,
       {
         table->field[next_field]->store(combo.plugin.str, combo.plugin.length,
                                         system_charset_info);
+        table->field[next_field]->set_notnull();
         table->field[next_field + 1]->store(combo.auth.str, combo.auth.length,
                                             system_charset_info);
+        table->field[next_field + 1]->set_notnull();
       }
       else
       {