create/drop/rename user cleanup

dbug/user.r:
  help cralified
include/mysqld_error.h:
  new error message added
mysql-test/r/grant.result:
  results updated
mysql-test/r/grant2.result:
  results updated
mysql-test/t/grant.test:
  results updated
mysql-test/t/grant2.test:
  results updated
sql/share/czech/errmsg.txt:
  error message updated
sql/share/danish/errmsg.txt:
  error message updated
sql/share/dutch/errmsg.txt:
  error message updated
sql/share/english/errmsg.txt:
  error message updated
sql/share/estonian/errmsg.txt:
  error message updated
sql/share/french/errmsg.txt:
  error message updated
sql/sql_acl.cc:
  changed error reporting for create/drop/rename user to be consistent with drop table
sql/share/german/errmsg.txt:
  error message updated
sql/share/greek/errmsg.txt:
  error message updated
sql/share/hungarian/errmsg.txt:
  error message updated
sql/share/italian/errmsg.txt:
  error message updated
sql/share/japanese/errmsg.txt:
  error message updated
sql/share/korean/errmsg.txt:
  error message updated
sql/share/norwegian-ny/errmsg.txt:
  error message updated
sql/share/norwegian/errmsg.txt:
  error message updated
sql/share/polish/errmsg.txt:
  error message updated
sql/share/portuguese/errmsg.txt:
  error message updated
sql/share/romanian/errmsg.txt:
  error message updated
sql/share/russian/errmsg.txt:
  error message updated
sql/share/serbian/errmsg.txt:
  error message updated
sql/share/slovak/errmsg.txt:
  error message updated
sql/share/spanish/errmsg.txt:
  error message updated
sql/share/swedish/errmsg.txt:
  error message updated
sql/share/ukrainian/errmsg.txt:
  error message updated

dbug/user.r

@@ -907,8 +907,10 @@ Double the colon, if you want it in the path
 .SP 1
 EX: \fCa,C::\\tmp\\log\fR
 .LI A[,file]
-Like 'a[,file]' but close and reopen file after each write. It helps to get
-a complete log file in case of crashes.
+Like 'a[,file]' but ensure that data are written after each write
+(this typically implies flush or close/reopen). It helps to get
+a complete log file in case of crashes. This mode is implied in
+multi-threaded environment.
 .LI d[,keywords]
 Enable output from macros with specified keywords.
 A null list of keywords implies that all keywords are selected.

include/mysqld_error.h

@@ -284,7 +284,7 @@
 #define ER_WARN_DATA_TRUNCATED 1265
 #define ER_WARN_USING_OTHER_HANDLER 1266
 #define ER_CANT_AGGREGATE_2COLLATIONS 1267
-#define ER_HANDLE_USER 1268
+#define ER_DROP_USER 1268
 #define ER_REVOKE_GRANTS 1269
 #define ER_CANT_AGGREGATE_3COLLATIONS 1270
 #define ER_CANT_AGGREGATE_NCOLLATIONS 1271
@@ -412,4 +412,5 @@
 #define ER_VIEW_MULTIUPDATE 1393
 #define ER_VIEW_NO_INSERT_FIELD_LIST 1394
 #define ER_VIEW_DELETE_MERGE_VIEW 1395
-#define ER_ERROR_MESSAGES 396
+#define ER_CANNOT_USER 1396
+#define ER_ERROR_MESSAGES 397

mysql-test/r/grant.result

@@ -223,7 +223,7 @@ drop_user3@localhost, drop_user4@localhost;
 ERROR HY000: Can't revoke all privileges, grant for one or more of the requested users
 drop user drop_user1@localhost, drop_user2@localhost, drop_user3@localhost,
 drop_user4@localhost;
-ERROR HY000: Operation DROP USER failed for 4 of the requested users
+ERROR HY000: Operation DROP USER failed for 'drop_user1'@'localhost','drop_user2'@'localhost','drop_user3'@'localhost','drop_user4'@'localhost'
 drop table t1;
 grant usage on *.* to mysqltest_1@localhost identified by "password";
 grant select, update, insert on test.* to mysqltest_1@localhost;

mysql-test/r/grant2.result

@@ -66,7 +66,7 @@ create table t1(c1 int);
 create table t2(c1 int, c2 int);
 create user 'mysqltest_1';
 create user 'mysqltest_1';
-ERROR HY000: Operation CREATE USER failed for 1 of the requested users
+ERROR HY000: Operation CREATE USER failed for 'mysqltest_1'@'%'
 create user 'mysqltest_2' identified by 'Mysqltest-2';
 create user 'mysqltest_3' identified by password 'fffffffffffffffffffffffffffffffffffffffff';
 grant select on *.* to 'mysqltest_2';
@@ -139,7 +139,7 @@ drop user 'mysqltest_1', 'mysqltest_3';
 grant all on test.t1 to 'mysqltest_1';
 ERROR 42000: 'root'@'localhost' is not allowed to create new users
 drop user 'mysqltest_1';
-ERROR HY000: Operation DROP USER failed for 1 of the requested users
+ERROR HY000: Operation DROP USER failed for 'mysqltest_1'@'%'
 drop table t1, t2;
 insert into mysql.db set user='mysqltest_1', db='%', host='%';
 flush privileges;
@@ -169,16 +169,16 @@ drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 create user 'mysqltest_1', 'mysqltest_2' identified by 'Mysqltest-2', 'mysqltest_3' identified by password 'fffffffffffffffffffffffffffffffffffffffff';
 rename user 'mysqltest_1' to 'mysqltest_1a', 'mysqltest_2' TO 'mysqltest_2a', 'mysqltest_3' TO 'mysqltest_3a';
 drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
-ERROR HY000: Operation DROP USER failed for 3 of the requested users
+ERROR HY000: Operation DROP USER failed for 'mysqltest_1'@'%','mysqltest_2'@'%','mysqltest_3'@'%'
 drop user 'mysqltest_1a', 'mysqltest_2a', 'mysqltest_3a';
 create user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 create user 'mysqltest_1a', 'mysqltest_2', 'mysqltest_3a';
-ERROR HY000: Operation CREATE USER failed for 1 of the requested users
+ERROR HY000: Operation CREATE USER failed for 'mysqltest_2'@'%'
 rename user 'mysqltest_1a' to 'mysqltest_1b', 'mysqltest_2a' TO 'mysqltest_2b', 'mysqltest_3a' TO 'mysqltest_3b';
-ERROR HY000: Operation RENAME USER failed for 1 of the requested users
+ERROR HY000: Operation RENAME USER failed for 'mysqltest_2a'@'%'
 drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 drop user 'mysqltest_1b', 'mysqltest_2b', 'mysqltest_3b';
-ERROR HY000: Operation DROP USER failed for 1 of the requested users
+ERROR HY000: Operation DROP USER failed for 'mysqltest_2b'@'%'
 create user 'mysqltest_2' identified by 'Mysqltest-2';
 drop user 'mysqltest_2' identified by 'Mysqltest-2';
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'identified by 'Mysqltest-2'' at line 1

mysql-test/t/grant.test

@@ -168,7 +168,7 @@ drop_user4@localhost;
 --error 1269
 revoke all privileges, grant option from drop_user1@localhost, drop_user2@localhost,
 drop_user3@localhost, drop_user4@localhost;
---error 1268
+--error 1396
 drop user drop_user1@localhost, drop_user2@localhost, drop_user3@localhost,
 drop_user4@localhost;
 drop table t1;

mysql-test/t/grant2.test

@@ -91,7 +91,7 @@ create table t2(c1 int, c2 int);
 #
 # Three forms of CREATE USER
 create user 'mysqltest_1';
---error 1268
+--error 1396
 create user 'mysqltest_1';
 create user 'mysqltest_2' identified by 'Mysqltest-2';
 create user 'mysqltest_3' identified by password 'fffffffffffffffffffffffffffffffffffffffff';
@@ -127,7 +127,7 @@ drop user 'mysqltest_1', 'mysqltest_3';
 # Grant must not create user
 --error 1211
 grant all on test.t1 to 'mysqltest_1';
---error 1268
+--error 1396
 drop user 'mysqltest_1';
 #
 # Cleanup
@@ -164,18 +164,18 @@ create user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 create user 'mysqltest_1', 'mysqltest_2' identified by 'Mysqltest-2', 'mysqltest_3' identified by password 'fffffffffffffffffffffffffffffffffffffffff';
 rename user 'mysqltest_1' to 'mysqltest_1a', 'mysqltest_2' TO 'mysqltest_2a', 'mysqltest_3' TO 'mysqltest_3a';
---error 1268
+--error 1396
 drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
 drop user 'mysqltest_1a', 'mysqltest_2a', 'mysqltest_3a';
 #
 # Let one of multiple users fail
 create user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
---error 1268
+--error 1396
 create user 'mysqltest_1a', 'mysqltest_2', 'mysqltest_3a';
---error 1268
+--error 1396
 rename user 'mysqltest_1a' to 'mysqltest_1b', 'mysqltest_2a' TO 'mysqltest_2b', 'mysqltest_3a' TO 'mysqltest_3b';
 drop user 'mysqltest_1', 'mysqltest_2', 'mysqltest_3';
---error 1268
+--error 1396
 drop user 'mysqltest_1b', 'mysqltest_2b', 'mysqltest_3b';
 #
 # Obsolete syntax has been dropped

sql/share/czech/errmsg.txt

@@ -296,7 +296,7 @@ character-set=latin2
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -424,3 +424,4 @@ character-set=latin2
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/danish/errmsg.txt

@@ -287,7 +287,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -415,3 +415,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/dutch/errmsg.txt

@@ -296,7 +296,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -424,3 +424,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/english/errmsg.txt

@@ -284,7 +284,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for %.256s",

sql/share/estonian/errmsg.txt

@@ -289,7 +289,7 @@ character-set=latin7
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -417,3 +417,4 @@ character-set=latin7
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/french/errmsg.txt

@@ -284,7 +284,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/german/errmsg.txt

@@ -297,7 +297,7 @@ character-set=latin1
 "Daten abgeschnitten für Spalte '%s' in Zeile %ld",
 "Für Tabelle '%s' wird Speicher-Engine %s benutzt",
 "Unerlaubte Vermischung der Kollationen (%s,%s) und (%s,%s) für die Operation '%s'",
-"Das Kommando %s scheiterte für %d von den betroffenen Benutzern",
+"Kann einen oder mehrere der angegebenen Benutzer nicht löschen",
 "Kann nicht alle Berechtigungen widerrufen, grant for one or more of the requested users",
 "Unerlaubte Vermischung der Kollationen (%s,%s), (%s,%s), (%s,%s) für die Operation '%s'",
 "Unerlaubte Vermischung der Kollationen für die Operation '%s'",
@@ -425,3 +425,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Das Kommando %s scheiterte für %.256s",

sql/share/greek/errmsg.txt

@@ -284,7 +284,7 @@ character-set=greek
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=greek
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/hungarian/errmsg.txt

@@ -289,7 +289,7 @@ character-set=latin2
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -417,3 +417,4 @@ character-set=latin2
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/italian/errmsg.txt

@@ -284,7 +284,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/japanese/errmsg.txt

@@ -288,7 +288,7 @@ character-set=ujis
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -416,3 +416,4 @@ character-set=ujis
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/korean/errmsg.txt

@@ -284,7 +284,7 @@ character-set=euckr
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=euckr
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/norwegian-ny/errmsg.txt

@@ -286,7 +286,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -414,3 +414,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/norwegian/errmsg.txt

@@ -286,7 +286,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -414,3 +414,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/polish/errmsg.txt

@@ -289,7 +289,7 @@ character-set=latin2
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -417,3 +417,4 @@ character-set=latin2
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/portuguese/errmsg.txt

@@ -286,7 +286,7 @@ character-set=latin1
 "Dado truncado para coluna '%s' na linha %ld",
 "Usando engine de armazenamento %s para tabela '%s'",
 "Combinação ilegal de collations (%s,%s) e (%s,%s) para operação '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Não pode revocar todos os privilégios, grant para um ou mais dos usuários pedidos",
 "Ilegal combinação de collations (%s,%s), (%s,%s), (%s,%s) para operação '%s'",
 "Ilegal combinação de collations para operação '%s'",
@@ -414,3 +414,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/romanian/errmsg.txt

@@ -289,7 +289,7 @@ character-set=latin2
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -417,3 +417,4 @@ character-set=latin2
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/russian/errmsg.txt

@@ -289,7 +289,7 @@ character-set=koi8r
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -417,3 +417,4 @@ character-set=koi8r
 "         VIEW '%-.64s.%-.64s'"
 "     VIEW '%-.64s.%-.64s'   "
 "    VIEW '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/serbian/errmsg.txt

@@ -277,7 +277,7 @@ character-set=cp1250
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -405,3 +405,4 @@ character-set=cp1250
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/slovak/errmsg.txt

@@ -292,7 +292,7 @@ character-set=latin2
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -420,3 +420,4 @@ character-set=latin2
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/spanish/errmsg.txt

@@ -288,7 +288,7 @@ character-set=latin1
 "Datos truncados para columna '%s' en la línea %ld",
 "Usando motor de almacenamiento %s para tabla '%s'",
 "Ilegal mezcla de collations (%s,%s) y (%s,%s) para operación '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "No puede revocar todos los privilegios, derecho para uno o mas de los usuarios solicitados",
 "Ilegal mezcla de collations (%s,%s), (%s,%s), (%s,%s) para operación '%s'",
 "Ilegal mezcla de collations para operación '%s'",
@@ -416,3 +416,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/swedish/errmsg.txt

@@ -284,7 +284,7 @@ character-set=latin1
 "Data truncated for column '%s' at row %ld",
 "Använder handler %s för tabell '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -412,3 +412,4 @@ character-set=latin1
 "Can not modify more than one base table through a join view '%-.64s.%-.64s'"
 "Can not insert into join view '%-.64s.%-.64s' without fields list"
 "Can not delete from join view '%-.64s.%-.64s'"
+"Operation %s failed for '%.256s'",

sql/share/ukrainian/errmsg.txt

@@ -290,7 +290,7 @@ character-set=koi8u
 "Data truncated for column '%s' at row %ld",
 "Using storage engine %s for table '%s'",
 "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'",
-"Operation %s failed for %d of the requested users",
+"Cannot drop one or more of the requested users",
 "Can't revoke all privileges, grant for one or more of the requested users",
 "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'",
 "Illegal mix of collations for operation '%s'",
@@ -418,3 +418,4 @@ character-set=koi8u
 "  ¦      VIEW '%-.64s.%-.64s',  ͦԦ ˦ "
 "    VIEW '%-.64s.%-.64s',  ͦ ˦ ,   æ"
 "    VIEW '%-.64s.%-.64s',  ͦ ˦ "
+"Operation %s failed for '%.256s'",

sql/sql_acl.cc

@@ -3770,7 +3770,7 @@ static int handle_grant_table(TABLE_LIST *tables, uint table_no, bool drop,
   const char *user;
   DBUG_ENTER("handle_grant_table");
 
-  if (! table_no)
+  if (! table_no) // mysql.user table
   {
     /*
       The 'user' table has an unique index on (host, user).
@@ -4119,6 +4119,16 @@ static int handle_grant_data(TABLE_LIST *tables, bool drop,
   DBUG_RETURN(result);
 }
 
+static void append_user(String *str, LEX_USER *user)
+{
+  if (str->length())
+    str->append(',');
+  str->append('\'');
+  str->append(user->user.str);
+  str->append("'@'");
+  str->append(user->host.str);
+  str->append('\'');
+}
 
 /*
   Create a list of users.
@@ -4137,7 +4147,7 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
 {
   int result;
   int found;
-  uint failures;
+  String wrong_users;
   ulong sql_mode;
   LEX_USER *user_name;
   List_iterator <LEX_USER> user_list(list);
@@ -4151,7 +4161,6 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  failures= 0;
   while ((user_name= user_list++))
   {
     /*
@@ -4160,20 +4169,16 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
     */
     if ((found= handle_grant_data(tables, 0, user_name, NULL)))
     {
-      if (found > 0)
-        sql_print_error("CREATE USER: Cannot create user: '%s'@'%s': "
-                        "User exists",
-                        user_name->user.str,
-                        user_name->host.str);
-      failures++;
+      append_user(&wrong_users, user_name);
       result= TRUE;
+      continue;
     }
 
     sql_mode= thd->variables.sql_mode;
     thd->variables.sql_mode&= ~MODE_NO_AUTO_CREATE_USER;
     if (replace_user_table(thd, tables[0].table, *user_name, 0, 0, 1))
     {
-      failures++;
+      append_user(&wrong_users, user_name);
       result= TRUE;
     }
     thd->variables.sql_mode= sql_mode;
@@ -4183,7 +4188,7 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
   if (result)
-    my_error(ER_HANDLE_USER, MYF(0), "CREATE USER" , failures );
+    my_error(ER_CANNOT_USER, MYF(0), "CREATE USER", wrong_users.c_ptr());
   DBUG_RETURN(result);
 }
 
@@ -4205,34 +4210,24 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
 {
   int result;
   int found;
-  uint failures;
+  String wrong_users;
   LEX_USER *user_name;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[4];
   DBUG_ENTER("mysql_drop_user");
 
-  /* CREATE USER may be skipped on replication client. */
+  /* DROP USER may be skipped on replication client. */
   if ((result= open_grant_tables(thd, tables)))
     DBUG_RETURN(result != 1);
 
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  failures= 0;
   while ((user_name= user_list++))
   {
-    if ((found= handle_grant_data(tables, 1, user_name, NULL)) < 0)
+    if ((found= handle_grant_data(tables, 1, user_name, NULL)) <= 0)
     {
-      failures++;
-      result= TRUE;
-    }
-    else if (! found)
-    {
-      sql_print_error("DROP USER: Cannot drop user '%s'@'%s': "
-                      "No such user",
-                      user_name->user.str,
-                      user_name->host.str);
-      failures++;
+      append_user(&wrong_users, user_name);
       result= TRUE;
     }
   }
@@ -4241,7 +4236,7 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
   if (result)
-    my_error(ER_HANDLE_USER, MYF(0), "DROP USER" , failures );
+    my_error(ER_CANNOT_USER, MYF(0), "DROP USER", wrong_users.c_ptr());
   DBUG_RETURN(result);
 }
 
@@ -4263,63 +4258,42 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
 {
   int result= 0;
   int found;
-  uint failures;
+  String wrong_users;
   LEX_USER *user_from;
   LEX_USER *user_to;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[4];
   DBUG_ENTER("mysql_rename_user");
 
-  /* CREATE USER may be skipped on replication client. */
+  /* RENAME USER may be skipped on replication client. */
   if ((result= open_grant_tables(thd, tables)))
     DBUG_RETURN(result != 1);
 
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  failures= 0;
   while ((user_from= user_list++))
   {
     user_to= user_list++;
-    DBUG_ASSERT((user_to)); /* Syntax enforces pairs of users. */
+    DBUG_ASSERT(user_to); /* Syntax enforces pairs of users. */
 
     /*
       Search all in-memory structures and grant tables
       for a mention of the new user name.
     */
-    if ((found= handle_grant_data(tables, 0, user_to, NULL)))
+    if (handle_grant_data(tables, 0, user_to, NULL) ||
+        handle_grant_data(tables, 0, user_from, user_to) <= 0)
     {
-      if (found > 0)
-        sql_print_error("RENAME USER: Cannot rename to: '%s'@'%s': User exists",
-                        user_to->user.str,
-                        user_to->host.str);
-      failures++;
+      append_user(&wrong_users, user_from);
       result= TRUE;
     }
-    else
-    {
-      if ((found= handle_grant_data(tables, 0, user_from, user_to)) < 0)
-      {
-        failures++;
-        result= TRUE;
-      }
-      else if (! found)
-      {
-        sql_print_error("RENAME USER: Cannot rename user: '%s'@'%s': "
-                        "No such user",
-                        user_from->user.str,
-                        user_from->host.str);
-        failures++;
-        result= TRUE;
-      }
-    }
   }
 
   VOID(pthread_mutex_unlock(&acl_cache->lock));
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
   if (result)
-    my_error(ER_HANDLE_USER, MYF(0), "RENAME USER", failures);
+    my_error(ER_CANNOT_USER, MYF(0), "RENAME USER", wrong_users.c_ptr());
   DBUG_RETURN(result);
 }