Merge mysql.com:/home/gluh/MySQL/Merge/4.1-merge

into  mysql.com:/home/gluh/MySQL/Merge/5.0

include/mysql_com.h

@@ -26,6 +26,9 @@
 #define USERNAME_LENGTH 16
 #define SERVER_VERSION_LENGTH 60
 #define SQLSTATE_LENGTH 5
+#define SYSTEM_CHARSET_MBMAXLEN 3
+#define NAME_BYTE_LEN   NAME_LEN*SYSTEM_CHARSET_MBMAXLEN
+#define USERNAME_BYTE_LENGTH USERNAME_LENGTH*SYSTEM_CHARSET_MBMAXLEN
 
 /*
   USER_HOST_BUFF_SIZE -- length of string buffer, that is enough to contain

mysql-test/r/ctype_utf8.result

@@ -1340,6 +1340,18 @@ select a from t1 group by a;
 a
 e
 drop table t1;
+set names utf8;
+grant select on test.* to Ñ<8e>зеÑ<80>_Ñ<8e>зеÑ<80>@localhost;
+user()
+Ñ<8e>зеÑ<80>_Ñ<8e>зеÑ<80>@localhost
+revoke all on test.* from Ñ<8e>зеÑ<80>_Ñ<8e>зеÑ<80>@localhost;
+drop user Ñ<8e>зеÑ<80>_Ñ<8e>зеÑ<80>@localhost;
+create database имÑ<8f>_базÑ<8b>_в_кодиÑ<80>овке_Ñ<83>Ñ<82>Ñ<84>8_длиной_болÑ<8c>Ñ<88>е_Ñ<87>ем_45;
+use имÑ<8f>_базÑ<8b>_в_кодиÑ<80>овке_Ñ<83>Ñ<82>Ñ<84>8_длиной_болÑ<8c>Ñ<88>е_Ñ<87>ем_45;
+select database();
+database()
+имÑ<8f>_базÑ<8b>_в_кодиÑ<80>овке_Ñ<83>Ñ<82>Ñ<84>8_длиной_болÑ<8c>Ñ<88>е_Ñ<87>ем_45
+drop database имÑ<8f>_базÑ<8b>_в_кодиÑ<80>овке_Ñ<83>Ñ<82>Ñ<84>8_длиной_болÑ<8c>Ñ<88>е_Ñ<87>ем_45;
 CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8;
 INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
 SELECT id FROM t1;

mysql-test/t/ctype_utf8.test

@@ -1069,6 +1069,22 @@ explain select a from t1 group by a;
 select a from t1 group by a;
 drop table t1;
 
+#
+# Bug#20393: User name truncation in mysql client
+# Bug#21432: Database/Table name limited to 64 bytes, not chars, problems with multi-byte
+#
+set names utf8;
+#create user юзер_юзер@localhost;
+grant select on test.* to юзер_юзер@localhost;
+--exec $MYSQL --default-character-set=utf8 --user=юзер_юзер -e "select user()"
+revoke all on test.* from юзер_юзер@localhost;
+drop user юзер_юзер@localhost;
+
+create database имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
+use имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
+select database();
+drop database имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
+
 # End of 4.1 tests
 
 #

sql-common/client.c

@@ -1758,7 +1758,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
 		       const char *passwd, const char *db,
 		       uint port, const char *unix_socket,ulong client_flag)
 {
-  char		buff[NAME_LEN+USERNAME_LENGTH+100];
+  char		buff[NAME_BYTE_LEN+USERNAME_BYTE_LENGTH+100];
   char		*end,*host_info;
   my_socket	sock;
   in_addr_t	ip_addr;
@@ -2217,7 +2217,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
 		     mysql->server_status, client_flag));
   /* This needs to be changed as it's not useful with big packets */
   if (user && user[0])
-    strmake(end,user,USERNAME_LENGTH);          /* Max user name */
+    strmake(end,user,USERNAME_BYTE_LENGTH);          /* Max user name */
   else
     read_user_name((char*) end);
 
@@ -2247,7 +2247,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
   /* Add database if needed */
   if (db && (mysql->server_capabilities & CLIENT_CONNECT_WITH_DB))
   {
-    end= strmake(end, db, NAME_LEN) + 1;
+    end= strmake(end, db, NAME_BYTE_LEN) + 1;
     mysql->db= my_strdup(db,MYF(MY_WME));
     db= 0;
   }

sql/sql_parse.cc

@@ -1001,8 +1001,8 @@ static int check_connection(THD *thd)
   char *passwd= strend(user)+1;
   uint user_len= passwd - user - 1;
   char *db= passwd;
-  char db_buff[NAME_LEN+1];                     // buffer to store db in utf8
-  char user_buff[USERNAME_LENGTH+1];		// buffer to store user in utf8
+  char db_buff[NAME_BYTE_LEN + 1];              // buffer to store db in utf8
+  char user_buff[USERNAME_BYTE_LENGTH + 1];	// buffer to store user in utf8
   uint dummy_errors;
 
   /*

sql/table.cc

@@ -1592,7 +1592,7 @@ char *get_field(MEM_ROOT *mem, Field *field)
 
 bool check_db_name(char *name)
 {
-  char *start=name;
+  uint name_length= 0;  // name length in symbols
   /* Used to catch empty names and names with end space */
   bool last_char_is_space= TRUE;
 
@@ -1609,6 +1609,7 @@ bool check_db_name(char *name)
                           name+system_charset_info->mbmaxlen);
       if (len)
       {
+        name_length++;
         name += len;
         continue;
       }
@@ -1616,12 +1617,13 @@ bool check_db_name(char *name)
 #else
     last_char_is_space= *name==' ';
 #endif
+    name_length++;
     if (*name == '/' || *name == '\\' || *name == FN_LIBCHAR ||
 	*name == FN_EXTCHAR)
       return 1;
     name++;
   }
-  return last_char_is_space || (uint) (name - start) > NAME_LEN;
+  return (last_char_is_space || name_length > NAME_LEN);
 }