Merge sgluhov@bk-internal.mysql.com:/home/bk/mysql-5.1

into  mysql.com:/home/gluh/MySQL/Merge/5.1

include/mysql_com.h

@@ -26,9 +26,6 @@
 #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
@@ -36,7 +33,7 @@
   MySQL standard format:
   user_name_part@host_name_part\0
 */
-#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_BYTE_LENGTH + 2
+#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_LENGTH + 2
 
 #define LOCAL_HOST	"localhost"
 #define LOCAL_HOST_NAMEDPIPE "."

mysql-test/r/ctype_utf8.result

@@ -1340,19 +1340,6 @@ select a from t1 group by a;
 a
 e
 drop table t1;
-set names utf8;
-grant select on test.* to юзер_юзер@localhost;
-user()
-юзер_юзер@localhost
-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();
-database()
-имя_базы_в_кодировке_утф8_длиной_больше_чем_45
-drop database имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
-use test;
 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

@@ -1069,23 +1069,6 @@ 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;
-use test;
-
 # End of 4.1 tests
 
 #

sql-common/client.c

@@ -1753,7 +1753,7 @@ 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_BYTE_LEN+USERNAME_BYTE_LENGTH+100];
+  char		buff[NAME_LEN+USERNAME_LENGTH+100];
   char		*end,*host_info;
   my_socket	sock;
   in_addr_t	ip_addr;
@@ -2212,7 +2212,7 @@ 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_BYTE_LENGTH);          /* Max user name */
+    strmake(end,user,USERNAME_LENGTH);          /* Max user name */
   else
     read_user_name((char*) end);
 
@@ -2242,7 +2242,7 @@ 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_BYTE_LEN) + 1;
+    end= strmake(end, db, NAME_LEN) + 1;
     mysql->db= my_strdup(db,MYF(MY_WME));
     db= 0;
   }

sql/log.h

@@ -177,7 +177,7 @@ public:
   pthread_mutex_t LOCK_log;
   char *name;
   char log_file_name[FN_REFLEN];
-  char time_buff[20], db[NAME_BYTE_LEN + 1];
+  char time_buff[20], db[NAME_LEN + 1];
   bool write_error, inited;
   IO_CACHE log_file;
   enum_log_type log_type;

sql/mysql_priv.h

@@ -588,7 +588,7 @@ void get_default_definer(THD *thd, LEX_USER *definer);
 LEX_USER *create_default_definer(THD *thd);
 LEX_USER *create_definer(THD *thd, LEX_STRING *user_name, LEX_STRING *host_name);
 LEX_USER *get_current_user(THD *thd, LEX_USER *user);
-bool check_string_length(CHARSET_INFO *cs, LEX_STRING *str,
+bool check_string_length(LEX_STRING *str,
                          const char *err_msg, uint max_length);
 
 enum enum_mysql_completiontype {

sql/slave.h

@@ -152,7 +152,7 @@ typedef struct st_master_info
   /* the variables below are needed because we can change masters on the fly */
   char master_log_name[FN_REFLEN];
   char host[HOSTNAME_LENGTH+1];
-  char user[USERNAME_BYTE_LENGTH+1];
+  char user[USERNAME_LENGTH+1];
   char password[MAX_PASSWORD_LENGTH+1];
   my_bool ssl; // enables use of SSL connection if true
   char ssl_ca[FN_REFLEN], ssl_capath[FN_REFLEN], ssl_cert[FN_REFLEN];

sql/sp.cc

@@ -387,16 +387,16 @@ db_load_routine(THD *thd, int type, sp_name *name, sp_head **sphp,
 {
   LEX *old_lex= thd->lex, newlex;
   String defstr;
-  char old_db_buf[NAME_BYTE_LEN+1];
+  char old_db_buf[NAME_LEN+1];
   LEX_STRING old_db= { old_db_buf, sizeof(old_db_buf) };
   bool dbchanged;
   ulong old_sql_mode= thd->variables.sql_mode;
   ha_rows old_select_limit= thd->variables.select_limit;
   sp_rcontext *old_spcont= thd->spcont;
-
-  char definer_user_name_holder[USERNAME_BYTE_LENGTH + 1];
+  
+  char definer_user_name_holder[USERNAME_LENGTH + 1];
   LEX_STRING definer_user_name= { definer_user_name_holder,
-                                  USERNAME_BYTE_LENGTH };
+                                  USERNAME_LENGTH };
 
   char definer_host_name_holder[HOSTNAME_LENGTH + 1];
   LEX_STRING definer_host_name= { definer_host_name_holder, HOSTNAME_LENGTH };
@@ -495,7 +495,7 @@ db_create_routine(THD *thd, int type, sp_head *sp)
   int ret;
   TABLE *table;
   char definer[USER_HOST_BUFF_SIZE];
-  char old_db_buf[NAME_BYTE_LEN+1];
+  char old_db_buf[NAME_LEN+1];
   LEX_STRING old_db= { old_db_buf, sizeof(old_db_buf) };
   bool dbchanged;
   DBUG_ENTER("db_create_routine");

sql/sp_head.cc

@@ -962,7 +962,7 @@ bool
 sp_head::execute(THD *thd)
 {
   DBUG_ENTER("sp_head::execute");
-  char old_db_buf[NAME_BYTE_LEN+1];
+  char old_db_buf[NAME_LEN+1];
   LEX_STRING old_db= { old_db_buf, sizeof(old_db_buf) };
   bool dbchanged;
   sp_rcontext *ctx;
@@ -2010,8 +2010,8 @@ sp_head::set_info(longlong created, longlong modified,
 void
 sp_head::set_definer(const char *definer, uint definerlen)
 {
-  char user_name_holder[USERNAME_BYTE_LENGTH + 1];
-  LEX_STRING user_name= { user_name_holder, USERNAME_BYTE_LENGTH };
+  char user_name_holder[USERNAME_LENGTH + 1];
+  LEX_STRING user_name= { user_name_holder, USERNAME_LENGTH };
 
   char host_name_holder[HOSTNAME_LENGTH + 1];
   LEX_STRING host_name= { host_name_holder, HOSTNAME_LENGTH };

sql/sql_acl.cc

@@ -169,7 +169,7 @@ static byte* acl_entry_get_key(acl_entry *entry,uint *length,
 }
 
 #define IP_ADDR_STRLEN (3+1+3+1+3+1+3)
-#define ACL_KEY_LENGTH (IP_ADDR_STRLEN+1+NAME_BYTE_LEN+1+USERNAME_BYTE_LENGTH+1)
+#define ACL_KEY_LENGTH (IP_ADDR_STRLEN+1+NAME_LEN+1+USERNAME_LENGTH+1)
 
 static DYNAMIC_ARRAY acl_hosts,acl_users,acl_dbs;
 static MEM_ROOT mem, memex;
@@ -312,7 +312,7 @@ static my_bool acl_load(THD *thd, TABLE_LIST *tables)
   READ_RECORD read_record_info;
   my_bool return_val= 1;
   bool check_no_resolve= specialflag & SPECIAL_NO_RESOLVE;
-  char tmp_name[NAME_BYTE_LEN+1];
+  char tmp_name[NAME_LEN+1];
   int password_length;
   DBUG_ENTER("acl_load");
 
@@ -2400,7 +2400,7 @@ static GRANT_NAME *name_hash_search(HASH *name_hash,
                                     const char *user, const char *tname,
                                     bool exact)
 {
-  char helping [NAME_BYTE_LEN*2+USERNAME_BYTE_LENGTH+3];
+  char helping [NAME_LEN*2+USERNAME_LENGTH+3];
   uint len;
   GRANT_NAME *grant_name,*found=0;
   HASH_SEARCH_STATE state;
@@ -3307,7 +3307,7 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
 {
   List_iterator <LEX_USER> str_list (list);
   LEX_USER *Str, *tmp_Str;
-  char tmp_db[NAME_BYTE_LEN+1];
+  char tmp_db[NAME_LEN+1];
   bool create_new_users=0;
   TABLE_LIST tables[2];
   DBUG_ENTER("mysql_grant");
@@ -3371,7 +3371,7 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
     {
       result= TRUE;
       continue;
-    }  
+    }
     if (replace_user_table(thd, tables[0].table, *Str,
                            (!db ? rights : 0), revoke_grant, create_new_users,
                            test(thd->variables.sql_mode &
@@ -4011,7 +4011,7 @@ err2:
 bool check_grant_db(THD *thd,const char *db)
 {
   Security_context *sctx= thd->security_ctx;
-  char helping [NAME_BYTE_LEN+USERNAME_BYTE_LENGTH+2];
+  char helping [NAME_LEN+USERNAME_LENGTH+2];
   uint len;
   bool error= 1;
 

sql/sql_parse.cc

@@ -1047,8 +1047,8 @@ static int check_connection(THD *thd)
   char *passwd= strend(user)+1;
   uint user_len= passwd - user - 1;
   char *db= passwd;
-  char db_buff[NAME_BYTE_LEN + 1];              // buffer to store db in utf8
-  char user_buff[USERNAME_BYTE_LENGTH + 1];	// buffer to store user in utf8
+  char db_buff[NAME_LEN + 1];           // buffer to store db in utf8
+  char user_buff[USERNAME_LENGTH + 1];	// buffer to store user in utf8
   uint dummy_errors;
 
   /*
@@ -1724,7 +1724,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
       password.  New clients send the size (1 byte) + string (not null
       terminated, so also '\0' for empty string).
     */
-    char db_buff[NAME_BYTE_LEN+1];               // buffer to store db in utf8
+    char db_buff[NAME_LEN+1];               // buffer to store db in utf8
     char *db= passwd;
     uint passwd_len= thd->client_capabilities & CLIENT_SECURE_CONNECTION ?
       *passwd++ : strlen(passwd);
@@ -7783,7 +7783,6 @@ LEX_USER *get_current_user(THD *thd, LEX_USER *user)
 
   SYNOPSIS
     check_string_length()
-      cs          string charset
       str         string to be checked
       err_msg     error message to be displayed if the string is too long
       max_length  max length
@@ -7793,13 +7792,13 @@ LEX_USER *get_current_user(THD *thd, LEX_USER *user)
     TRUE    the passed string is longer than max_length
 */
 
-bool check_string_length(CHARSET_INFO *cs, LEX_STRING *str,
-                         const char *err_msg, uint max_length)
+bool check_string_length(LEX_STRING *str, const char *err_msg,
+                         uint max_length)
 {
-  if (cs->cset->charpos(cs, str->str, str->str + str->length,
-                        max_length) >= str->length)
-    return FALSE; 
+  if (str->length <= max_length)
+    return FALSE;
 
   my_error(ER_WRONG_STRING_LENGTH, MYF(0), str->str, err_msg, max_length);
+
   return TRUE;
 }

sql/sql_repl.h

@@ -24,7 +24,7 @@ typedef struct st_slave_info
   uint32 server_id;
   uint32 rpl_recovery_rank, master_id;
   char host[HOSTNAME_LENGTH+1];
-  char user[USERNAME_BYTE_LENGTH+1];
+  char user[USERNAME_LENGTH+1];
   char password[MAX_PASSWORD_LENGTH+1];
   uint16 port;
   THD* thd;

sql/sql_yacc.yy

@@ -9237,7 +9237,7 @@ user:
 	  $$->host.str= (char *) "%";
 	  $$->host.length= 1;
 
-	  if (check_string_length(system_charset_info, &$$->user,
+	  if (check_string_length(&$$->user,
                                   ER(ER_USERNAME), USERNAME_LENGTH))
 	    YYABORT;
 	}
@@ -9248,9 +9248,9 @@ user:
 	      YYABORT;
 	    $$->user = $1; $$->host=$3;
 
-	    if (check_string_length(system_charset_info, &$$->user,
+	    if (check_string_length(&$$->user,
                                     ER(ER_USERNAME), USERNAME_LENGTH) ||
-	        check_string_length(&my_charset_latin1, &$$->host,
+	        check_string_length(&$$->host,
                                     ER(ER_HOSTNAME), HOSTNAME_LENGTH))
 	      YYABORT;
 	  }

sql/table.cc

@@ -2257,7 +2257,7 @@ char *get_field(MEM_ROOT *mem, Field *field)
 
 bool check_db_name(char *name)
 {
-  uint name_length= 0;  // name length in symbols
+  char *start= name;
   /* Used to catch empty names and names with end space */
   bool last_char_is_space= TRUE;
 
@@ -2277,15 +2277,13 @@ bool check_db_name(char *name)
         name += len;
         continue;
       }
-    name_length++;
     }
 #else
     last_char_is_space= *name==' ';
 #endif
-    name_length++;
     name++;
   }
-  return last_char_is_space || name_length > NAME_LEN;
+  return last_char_is_space || (uint) (name - start) > NAME_LEN;
 }