merge

BitKeeper/etc/logging_ok

 jcole@tetra.bedford.progress.com
 jcole@tetra.spaceapes.com
+monty@narttu.mysql.fi
+mwagner@evoq.home.mwagner.org
 sasha@laptop.slkc.uswest.net
 sasha@mysql.sashanet.com
 sasha@work.mysql.com
 serg@serg.mysql.com
 yfaktoro@nslinuxw2.bedford.progress.com
-mwagner@evoq.home.mwagner.org

client/mysql.cc

@@ -115,7 +115,7 @@ static bool info_flag=0,ignore_errors=0,wait_flag=0,quick=0,
 	    opt_compress=0,
 	    vertical=0,skip_line_numbers=0,skip_column_names=0,opt_html=0,
             no_named_cmds=1; // we want this to be the default
-static uint verbose=0,opt_silent=0,opt_mysql_port=0;
+static uint verbose=0,opt_silent=0,opt_mysql_port=0,opt_connect_timeout=0;
 static my_string opt_mysql_unix_port=0;
 static int connect_flag=CLIENT_INTERACTIVE;
 static char *current_host,*current_db,*current_user=0,*opt_password=0,
@@ -334,7 +334,7 @@ sig_handler mysql_end(int sig)
   exit(status.exit_status);
 }
 
-enum options {OPT_CHARSETS_DIR=256, OPT_DEFAULT_CHARSET} ;
+enum options {OPT_CHARSETS_DIR=256, OPT_DEFAULT_CHARSET, OPT_TIMEOUT} ;
 
 
 static struct option long_options[] =
@@ -374,6 +374,7 @@ static struct option long_options[] =
   {"socket",	    required_argument,	   0, 'S'},
 #include "sslopt-longopts.h"
   {"table",	    no_argument,	   0, 't'},
+  {"timeout",	    required_argument,	   0, OPT_TIMEOUT},
 #ifndef DONT_ALLOW_USER_CHANGE
   {"user",	    required_argument,	   0, 'u'},
 #endif
@@ -545,9 +546,12 @@ static int get_options(int argc, char **argv)
     case 'p':
       if (optarg)
       {
+	char *start=optarg;
 	my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
 	opt_password=my_strdup(optarg,MYF(MY_FAE));
 	while (*optarg) *optarg++= 'x';		// Destroy argument
+	if (*start)
+	  start[1]=0;
       }
       else
 	tty_password=1;
@@ -603,6 +607,9 @@ static int get_options(int argc, char **argv)
       opt_mysql_unix_port=my_strdup(MYSQL_NAMEDPIPE,MYF(0));
 #endif
       break;
+    case OPT_TIMEOUT:
+      opt_connect_timeout=atoi(optarg);
+      break;
     case 'V': usage(1); exit(0);
     case 'I':
     case '?':
@@ -1772,6 +1779,9 @@ sql_real_connect(char *host,char *database,char *user,char *password,
     connected= 0;
   }
   mysql_init(&mysql);
+  if (opt_connect_timeout)
+    mysql_options(&mysql,MYSQL_OPT_CONNECT_TIMEOUT,
+		  (char*) &opt_connect_timeout);
   if (opt_compress)
     mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS);
 #ifdef HAVE_OPENSSL

client/mysqladmin.c

@@ -28,7 +28,7 @@
 #include <my_pthread.h>				/* because of signal()	*/
 #endif
 
-#define ADMIN_VERSION "8.9"
+#define ADMIN_VERSION "8.11"
 #define MAX_MYSQL_VAR 64
 #define MAX_TIME_TO_WAIT 3600			/* Wait for shutdown */
 #define MAX_TRUNC_LENGTH 3
@@ -137,7 +137,7 @@ int main(int argc,char *argv[])
 {
   int	c, error = 0,option_index=0;
   MYSQL mysql;
-  char	*host = NULL,*password=0,*user=0,**commands;
+  char	*host = NULL,*opt_password=0,*user=0,**commands;
   my_bool tty_password=0;
   MY_INIT(argv[0]);
   mysql_init(&mysql);
@@ -160,9 +160,12 @@ int main(int argc,char *argv[])
     case 'p':
       if (optarg)
       {
-	my_free(password,MYF(MY_ALLOW_ZERO_PTR));
-	password=my_strdup(optarg,MYF(MY_FAE));
+	char *start=optarg;
+	my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
+	opt_password=my_strdup(optarg,MYF(MY_FAE));
 	while (*optarg) *optarg++= 'x';		/* Destroy argument */
+	if (*start)
+	  start[1]=0;				/* Cut length of argument */
       }
       else
 	tty_password=1;
@@ -243,12 +246,11 @@ int main(int argc,char *argv[])
     exit(1);
   }
   if (tty_password)
-    password = get_tty_password(NullS);
+    opt_password = get_tty_password(NullS);
 
   VOID(signal(SIGINT,endprog));			/* Here if abort */
   VOID(signal(SIGTERM,endprog));		/* Here if abort */
 
-  mysql_init(&mysql);
   if (opt_compress)
     mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS);
 #ifdef HAVE_OPENSSL
@@ -256,7 +258,7 @@ int main(int argc,char *argv[])
     mysql_ssl_set(&mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
 		  opt_ssl_capath);
 #endif /* HAVE_OPENSSL */
-  if (sql_connect(&mysql,host,user,password,option_wait))
+  if (sql_connect(&mysql,host,user,opt_password,option_wait))
     error = 1;
   else
   {
@@ -269,7 +271,7 @@ int main(int argc,char *argv[])
 	if (option_wait && !interrupted)
 	{
 	  mysql_close(&mysql);
-	  if (!sql_connect(&mysql,host,user,password,option_wait))
+	  if (!sql_connect(&mysql,host,user,opt_password,option_wait))
 	    continue;				/* Retry */
 	}
 	error=1;
@@ -286,7 +288,7 @@ int main(int argc,char *argv[])
     }
     mysql_close(&mysql);
   }
-  my_free(password,MYF(MY_ALLOW_ZERO_PTR));
+  my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
   my_free(user,MYF(MY_ALLOW_ZERO_PTR));
   free_defaults(argv);
   my_end(0);

client/mysqldump.c

@@ -37,7 +37,7 @@
 **   Tnu Samuel  <tonu@please.do.not.remove.this.spam.ee>
 **/
 
-#define DUMP_VERSION "8.10"
+#define DUMP_VERSION "8.11"
 
 #include <global.h>
 #include <my_sys.h>
@@ -75,7 +75,7 @@ static my_bool  verbose=0,tFlag=0,cFlag=0,dFlag=0,quick=0, extended_insert = 0,
                 opt_delayed=0,create_options=0,opt_quoted=0,opt_databases=0,
                 opt_alldbs=0,opt_create_db=0,opt_first_slave=0;
 static MYSQL  mysql_connection,*sock=0;
-static char  insert_pat[12 * 1024],*password=0,*current_user=0,
+static char  insert_pat[12 * 1024],*opt_password=0,*current_user=0,
              *current_host=0,*path=0,*fields_terminated=0,
              *lines_terminated=0, *enclosed=0, *opt_enclosed=0, *escaped=0,
              *where=0, *default_charset;
@@ -333,9 +333,12 @@ static int get_options(int *argc,char ***argv)
     case 'p':
       if (optarg)
       {
-	my_free(password,MYF(MY_ALLOW_ZERO_PTR));
-	password=my_strdup(optarg,MYF(MY_FAE));
-	while (*optarg) *optarg++= 'x';    /* Destroy argument */
+	char *start=optarg;
+	my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
+	opt_password=my_strdup(optarg,MYF(MY_FAE));
+	while (*optarg) *optarg++= 'x';		/* Destroy argument */
+	if (*start)
+	  start[1]=0;				/* Cut length of argument */
       }
       else
 	tty_password=1;
@@ -459,7 +462,7 @@ static int get_options(int *argc,char ***argv)
     return 1;
   }
   if (tty_password)
-    password=get_tty_password(NullS);
+    opt_password=get_tty_password(NullS);
   return(0);
 } /* get_options */
 
@@ -596,7 +599,6 @@ static uint getTableStructure(char *table, char* db)
 
   sprintf(insert_pat,"SET OPTION SQL_QUOTE_SHOW_CREATE=%d", opt_quoted);
   table_name=quote_name(table,table_buff);
-
   if (mysql_query(sock,insert_pat))
   {
     /* using SHOW CREATE statement */
@@ -1318,7 +1320,7 @@ int main(int argc, char **argv)
     my_end(0);
     exit(EX_USAGE);
   }
-  if (dbConnect(current_host, current_user, password))
+  if (dbConnect(current_host, current_user, opt_password))
     exit(EX_MYSQLERR);
   if (!path)
     write_heder(stdout, *argv);
@@ -1358,7 +1360,7 @@ int main(int argc, char **argv)
   }
   dbDisconnect(current_host);
   puts("");
-  my_free(password, MYF(MY_ALLOW_ZERO_PTR));
+  my_free(opt_password, MYF(MY_ALLOW_ZERO_PTR));
   if (extended_insert)
     dynstr_free(&extended_row);
   my_end(0);

client/mysqlimport.c

@@ -25,7 +25,7 @@
 **			   *			   *
 **			   *************************
 */
-#define IMPORT_VERSION "2.4"
+#define IMPORT_VERSION "2.6"
 
 #include <global.h>
 #include <my_sys.h>
@@ -45,7 +45,7 @@ static my_bool	verbose=0,lock_tables=0,ignore_errors=0,delete=0,
 		replace=0,silent=0,ignore=0,opt_compress=0,opt_local_file=0;
 
 static MYSQL	mysql_connection;
-static char	*password=0, *current_user=0,
+static char	*opt_password=0, *current_user=0,
 		*current_host=0, *current_db=0, *fields_terminated=0,
 		*lines_terminated=0, *enclosed=0, *opt_enclosed=0,
 		*escaped=0, opt_low_priority=0, *opt_columns=0;
@@ -125,7 +125,7 @@ file. The SQL command 'LOAD DATA INFILE' is used to import the rows.\n");
                         Give the column names in a comma separated list.\n\
                         This is same as giving columns to LOAD DATA INFILE.\n\
   -C, --compress        Use compression in server/client protocol\n\
-  -d, --delete          Deletes first all rows from table.\n\
+  -d, --delete          First delete all rows from table.\n\
   -f, --force		Continue even if we get an sql-error.\n\
   -h, --host=...	Connect to host.\n\
   -i, --ignore          If duplicate unique key was found, keep old row.\n\
@@ -202,9 +202,12 @@ static int get_options(int *argc, char ***argv)
     case 'p':
       if (optarg)
       {
-	my_free(password,MYF(MY_ALLOW_ZERO_PTR));
-	password= my_strdup(optarg,MYF(MY_FAE));
+	char *start=optarg;
+	my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
+	opt_password=my_strdup(optarg,MYF(MY_FAE));
 	while (*optarg) *optarg++= 'x';		/* Destroy argument */
+	if (*start)
+	  start[1]=0;				/* Cut length of argument */
       }
       else
 	tty_password= 1;
@@ -276,7 +279,7 @@ static int get_options(int *argc, char ***argv)
   current_db= *((*argv)++);
   (*argc)--;
   if (tty_password)
-    password=get_tty_password(NullS);
+    opt_password=get_tty_password(NullS);
   return(0);
 }
 
@@ -504,7 +507,7 @@ int main(int argc, char **argv)
   argv_to_free= argv;
   if (get_options(&argc, &argv))
     return(1);
-  if (!(sock= db_connect(current_host,current_db,current_user,password)))
+  if (!(sock= db_connect(current_host,current_db,current_user,opt_password)))
     return(1); /* purecov: deadcode */
   if (lock_tables)
     lock_table(sock, argc, argv);
@@ -513,7 +516,7 @@ int main(int argc, char **argv)
       if (exitcode == 0)
 	exitcode = error;
   db_disconnect(current_host, sock);
-  my_free(password,MYF(MY_ALLOW_ZERO_PTR));
+  my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
   free_defaults(argv_to_free);
   my_end(0);
   return(exitcode);

client/mysqlshow.c

@@ -28,7 +28,7 @@
 #include <stdarg.h>
 #include <getopt.h>
 
-static my_string host=0,password=0,user=0;
+static my_string host=0,opt_password=0,user=0;
 static my_bool opt_show_keys=0,opt_compress=0,opt_status=0;
 
 static void get_options(int *argc,char ***argv);
@@ -88,15 +88,13 @@ int main(int argc, char **argv)
     mysql_ssl_set(&mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
 		  opt_ssl_capath);
 #endif
-  if (!(mysql_real_connect(&mysql,host,user,password,
+  if (!(mysql_real_connect(&mysql,host,user,opt_password,
 			   argv[0],opt_mysql_port,opt_mysql_unix_port,
 			   0)))
   {
     fprintf(stderr,"%s: %s\n",my_progname,mysql_error(&mysql));
     exit(1);
   }
-  /*  if (!(mysql_connect(&mysql,host,user,password))) */
-
 
   switch (argc)
   {
@@ -111,11 +109,12 @@ int main(int argc, char **argv)
     if (opt_status && ! wild)
       error=list_table_status(&mysql,argv[0],argv[1]);
     else
-      error=list_fields(&mysql,argv[0],argv[1],wild); break;
+      error=list_fields(&mysql,argv[0],argv[1],wild);
+    break;
   }
   mysql_close(&mysql);			/* Close & free connection */
-  if (password)
-    my_free(password,MYF(0));
+  if (opt_password)
+    my_free(opt_password,MYF(0));
   my_end(0);
   exit(error ? 1 : 0);
   return 0;				/* No compiler warnings */
@@ -223,9 +222,12 @@ get_options(int *argc,char ***argv)
     case 'p':
       if (optarg)
       {
-	my_free(password,MYF(MY_ALLOW_ZERO_PTR));
-	password=my_strdup(optarg,MYF(MY_FAE));
+	char *start=optarg;
+	my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
+	opt_password=my_strdup(optarg,MYF(MY_FAE));
 	while (*optarg) *optarg++= 'x';		/* Destroy argument */
+	if (*start)
+	  start[1]=0;				/* Cut length of argument */
       }
       else
 	tty_password=1;
@@ -266,7 +268,7 @@ get_options(int *argc,char ***argv)
   (*argc)-=optind;
   (*argv)+=optind;
   if (tty_password)
-    password=get_tty_password(NullS);
+    opt_password=get_tty_password(NullS);
   return;
 }
 

client/sql_string.cc

@@ -95,17 +95,6 @@ bool String::realloc(uint32 alloc_length)
   return FALSE;
 }
 
-
-#ifdef NOT_NEEDED
-bool String::set(long num)
-{
-  if (alloc(14))
-    return TRUE;
-  str_length=(uint32) (int10_to_str(num,Ptr,-10)-Ptr);
-  return FALSE;
-}
-#endif
-
 bool String::set(longlong num)
 {
   if (alloc(21))
@@ -274,6 +263,7 @@ bool String::append(const char *s,uint32 arg_length)
   return FALSE;
 }
 
+#ifdef TO_BE_REMOVED
 bool String::append(FILE* file, uint32 arg_length, myf my_flags)
 {
   if (realloc(str_length+arg_length))
@@ -286,6 +276,20 @@ bool String::append(FILE* file, uint32 arg_length, myf my_flags)
   str_length+=arg_length;
   return FALSE;
 }
+#endif
+
+bool String::append(IO_CACHE* file, uint32 arg_length)
+{
+  if (realloc(str_length+arg_length))
+    return TRUE;
+  if (my_b_read(file, (byte*) Ptr + str_length, arg_length))
+  {
+    shrink(str_length);
+    return TRUE;
+  }
+  str_length+=arg_length;
+  return FALSE;
+}
 
 uint32 String::numchars()
 {

client/sql_string.h

@@ -100,16 +100,16 @@ public:
   bool set(ulonglong num);
   bool set(double num,uint decimals=2);
   inline void free()
+  {
+    if (alloced)
     {
-      if (alloced)
-      {
-	alloced=0;
-	Alloced_length=0;
-	my_free(Ptr,MYF(0));
-	Ptr=0;
-      }
+      alloced=0;
+      Alloced_length=0;
+      my_free(Ptr,MYF(0));
+      Ptr=0;
+      str_length=0;				/* Safety */
     }
-
+  }
   inline bool alloc(uint32 arg_length)
   {
     if (arg_length < Alloced_length)
@@ -152,7 +152,7 @@ public:
   bool copy(const char *s,uint32 arg_length);	// Allocate new string
   bool append(const String &s);
   bool append(const char *s,uint32 arg_length=0);
-  bool append(FILE* file, uint32 arg_length, myf my_flags);
+  bool append(IO_CACHE* file, uint32 arg_length);
   int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
   int strrstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
   bool replace(uint32 offset,uint32 arg_length,const String &to);

configure.in

@@ -4,7 +4,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
-AM_INIT_AUTOMAKE(mysql, 3.23.27-beta)
+AM_INIT_AUTOMAKE(mysql, 3.23.28-gamma)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10
@@ -687,6 +687,8 @@ case $SYSTEM_TYPE in
     then
       CFLAGS="$CFLAGS -traditional-cpp -DHAVE_DARWIN_THREADS"
       CXXFLAGS="$CXXFLAGS -traditional-cpp -DHAVE_DARWIN_THREADS"
+      CFLAGS="$CFLAGS -traditional-cpp -DHAVE_DARWIN_THREADS -D_P1003_1B_VISIBLE"
+      CXXFLAGS="$CXXFLAGS -traditional-cpp -DHAVE_DARWIN_THREADS -D_P1003_1B_VISIBLE"
       MAX_C_OPTIMIZE="-O"
       with_named_curses=""
     fi
@@ -1235,13 +1237,13 @@ AC_FUNC_UTIME_NULL
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS(alarm bmove \
  chsize ftruncate rint finite fpsetmask fpresetsticky\
- cuserid fcntl fconvert  \
+ cuserid fcntl fconvert poll \
  getrusage getpwuid getcwd getrlimit getwd index stpcpy locking longjmp \
  perror pread realpath rename \
  socket strnlen madvise mkstemp \
  strtol strtoul strtoull snprintf tempnam thr_setconcurrency \
  gethostbyaddr_r gethostbyname_r getpwnam \
- bfill bzero bcmp strstr strpbrk strerror\
+ bfill bzero bcmp strstr strpbrk strerror \
  tell atod memcpy memmove \
  setupterm strcasecmp sighold \
  vidattr setupterm lrand48 localtime_r \

include/my_pthread.h

@@ -351,10 +351,9 @@ struct tm *localtime_r(const time_t *clock, struct tm *res);
 #define pthread_kill(A,B) pthread_dummy(0)
 #define pthread_condattr_init(A) pthread_dummy(0)
 #define pthread_condattr_destroy(A) pthread_dummy(0)
-#define pthread_cond_init( A, B ) pthread_cond_init( (A), 0 )
 #define pthread_signal(A,B) pthread_dummy(0)
 #undef	pthread_detach_this_thread
-#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
+#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
 #undef sigset
 #define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))
 #endif

include/my_sys.h

@@ -59,6 +59,7 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #define MY_WME		16	/* Write message on error */
 #define MY_WAIT_IF_FULL 32	/* Wait and try again if disk full error */
 #define MY_RAID         64      /* Support for RAID (not the "Johnson&Johnson"-s one ;) */
+#define MY_DONT_CHECK_FILESIZE 128	/* Option to init_io_cache() */
 #define MY_LINK_WARNING 32	/* my_redel() gives warning if links */
 #define MY_COPYTIME	64	/* my_redel() copys time */
 #define MY_HOLD_ORIGINAL_MODES 128  /* my_copy() holds to file modes */
@@ -506,6 +507,10 @@ extern int my_block_write(IO_CACHE *info, const byte *Buffer,
 			  uint Count, my_off_t pos);
 extern int flush_io_cache(IO_CACHE *info);
 extern int end_io_cache(IO_CACHE *info);
+extern uint my_b_fill(IO_CACHE *info);
+extern void my_b_seek(IO_CACHE *info,my_off_t pos);
+extern uint my_b_gets(IO_CACHE *info, char *to, uint max_length);
+extern uint my_b_printf(IO_CACHE *info, const char* fmt, ...);
 extern my_bool open_cached_file(IO_CACHE *cache,const char *dir,
 				 const char *prefix, uint cache_size,
 				 myf cache_myflags);

include/violite.h

@@ -108,6 +108,9 @@ my_bool vio_peer_addr(Vio * vio, char *buf);
 
 void vio_in_addr(Vio *vio, struct in_addr *in);
 
+  /* Return 1 if there is data to be read */
+my_bool vio_poll_read(Vio *vio,uint timeout);
+
 #ifdef	__cplusplus
 }
 #endif

libmysql/libmysql.c

@@ -64,6 +64,12 @@ my_string	mysql_unix_port=0;
 
 #define CLIENT_CAPABILITIES	(CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG | CLIENT_LOCAL_FILES | CLIENT_TRANSACTIONS)
 
+#ifdef __WIN__
+#define CONNECT_TIMEOUT 20
+#else
+#define CONNECT_TIMEOUT 0
+#endif
+
 #if defined(MSDOS) || defined(__WIN__)
 #define ERRNO WSAGetLastError()
 #define perror(A)
@@ -113,7 +119,7 @@ static ulong mysql_sub_escape_string(CHARSET_INFO *charset_info, char *to,
 *****************************************************************************/
 
 static int connect2(my_socket s, const struct sockaddr *name, uint namelen,
-		    uint to)
+		    uint timeout)
 {
 #if defined(__WIN__)
   return connect(s, (struct sockaddr*) name, namelen);
@@ -128,7 +134,7 @@ static int connect2(my_socket s, const struct sockaddr *name, uint namelen,
    * exactly like the normal connect() call does.
    */
 
-  if (to == 0)
+  if (timeout == 0)
     return connect(s, (struct sockaddr*) name, namelen);
 
   flags = fcntl(s, F_GETFL, 0);		  /* Set socket to not block */
@@ -175,13 +181,13 @@ static int connect2(my_socket s, const struct sockaddr *name, uint namelen,
   start_time = time(NULL);
   for (;;)
   {
-    tv.tv_sec = (long) to;
+    tv.tv_sec = (long) timeout;
     tv.tv_usec = 0;
     if ((res = select(s+1, NULL, &sfds, NULL, &tv)) >= 0)
       break;
     now_time=time(NULL);
-    to-= (uint) (now_time - start_time);
-    if (errno != EINTR || (int) to <= 0)
+    timeout-= (uint) (now_time - start_time);
+    if (errno != EINTR || (int) timeout <= 0)
       return -1;
   }
 
@@ -195,7 +201,7 @@ static int connect2(my_socket s, const struct sockaddr *name, uint namelen,
     return(-1);
 
   if (s_err)
-  {						/* getsockopt() could suceed */
+  {						/* getsockopt could succeed */
     errno = s_err;
     return(-1);					/* but return an error... */
   }
@@ -1001,9 +1007,7 @@ mysql_init(MYSQL *mysql)
   }
   else
     bzero((char*) (mysql),sizeof(*(mysql)));
-#ifdef __WIN__
-  mysql->options.connect_timeout=20;
-#endif
+  mysql->options.connect_timeout=CONNECT_TIMEOUT;
 #if defined(SIGPIPE) && defined(THREAD)
   if (!((mysql)->client_flag & CLIENT_IGNORE_SIGPIPE))
     (void) signal(SIGPIPE,pipe_sig_handler);
@@ -1140,7 +1144,8 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
 		   const char *passwd, const char *db,
 		   uint port, const char *unix_socket,uint client_flag)
 {
-  char		buff[100],charset_name_buff[16],*end,*host_info, *charset_name;
+  char		buff[NAME_LEN+100],charset_name_buff[16],*end,*host_info,
+		*charset_name;
   my_socket	sock;
   uint32	ip_addr;
   struct	sockaddr_in sock_addr;
@@ -1342,6 +1347,13 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
 
   /* Get version info */
   mysql->protocol_version= PROTOCOL_VERSION;	/* Assume this */
+  if (mysql->options.connect_timeout &&
+      vio_poll_read(net->vio, mysql->options.connect_timeout))
+  {
+    net->last_errno= CR_SERVER_LOST;
+    strmov(net->last_error,ER(net->last_errno));    
+    goto error;
+  }
   if ((pkt_length=net_safe_read(mysql)) == packet_error)
     goto error;
 
@@ -1497,7 +1509,7 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
 
   int3store(buff+2,max_allowed_packet);
   if (user && user[0])
-    strmake(buff+5,user,32);
+    strmake(buff+5,user,32);			/* Max user name */
   else
     read_user_name((char*) buff+5);
 #ifdef _CUSTOMCONFIG_
@@ -1508,7 +1520,7 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
 	       (my_bool) (mysql->protocol_version == 9));
   if (db && (mysql->server_capabilities & CLIENT_CONNECT_WITH_DB))
   {
-    end=strmov(end+1,db);
+    end=strmake(end+1,db,NAME_LEN);
     mysql->db=my_strdup(db,MYF(MY_WME));
     db=0;
   }

libmysql/violite.c

@@ -32,6 +32,9 @@
 #include <my_sys.h>
 #include <my_net.h>
 #include <m_string.h>
+#ifdef HAVE_POLL
+#include <sys/poll.h>
+#endif
 
 #if defined(__EMX__)
 #include <sys/ioctl.h>
@@ -98,7 +101,9 @@ Vio *vio_new(my_socket sd, enum enum_vio_type type, my_bool localhost)
   if ((vio = (Vio*) my_malloc(sizeof(*vio),MYF(MY_WME))))
   {
     vio_reset(vio, type, sd, 0, localhost);
-    sprintf(vio->desc, "socket (%d)", vio->sd);
+    sprintf(vio->desc,
+	    (vio->type == VIO_TYPE_SOCKET ? "socket (%d)" : "TCP/IP (%d)"),
+	    vio->sd);
 #if !defined(___WIN__) && !defined(__EMX__)
 #if !defined(NO_FCNTL_NONBLOCK)
     vio->fcntl_mode = fcntl(sd, F_GETFL);
@@ -261,7 +266,7 @@ vio_is_blocking(Vio * vio)
 }
 
 
-int vio_fastsend(Vio * vio, my_bool onoff)
+int vio_fastsend(Vio * vio __attribute__((unused)), my_bool onoff)
 {
   int r=0;
   DBUG_ENTER("vio_fastsend");
@@ -322,7 +327,7 @@ int vio_close(Vio * vio)
   if (vio->type == VIO_TYPE_NAMEDPIPE)
   {
 #if defined(__NT__) && defined(MYSQL_SERVER)
-    CancelIO(vio->hPipe);
+    CancelIo(vio->hPipe);
     DisconnectNamedPipe(vio->hPipe);
 #endif
     r=CloseHandle(vio->hPipe);
@@ -397,4 +402,26 @@ void vio_in_addr(Vio *vio, struct in_addr *in)
   DBUG_VOID_RETURN;
 }
 
+
+/* Return 0 if there is data to be read */
+
+my_bool vio_poll_read(Vio *vio,uint timeout)
+{
+#ifndef HAVE_POLL
+  return 0;
+#else
+  struct pollfd fds;
+  int res;
+  DBUG_ENTER("vio_poll");
+  fds.fd=vio->sd;
+  fds.events=POLLIN;
+  fds.revents=0;
+  if ((res=poll(&fds,1,(int) timeout*1000)) <= 0)
+  {
+    DBUG_RETURN(res < 0 ? 0 : 1);		/* Don't return 1 on errors */
+  }
+  DBUG_RETURN(fds.revents & POLLIN ? 0 : 1);
+#endif
+}
+
 #endif /* HAVE_VIO */

mysys/Makefile.am

@@ -26,7 +26,7 @@ libmysys_a_SOURCES =	my_init.c my_getwd.c mf_getdate.c\
 			mf_path.c mf_loadpath.c\
 			my_open.c my_create.c my_seek.c my_read.c \
 			my_pread.c my_write.c \
-			mf_reccache.c mf_keycache.c \
+			mf_keycache.c \
 			mf_iocache.c mf_cache.c mf_tempfile.c \
 			my_lock.c mf_brkhant.c my_alarm.c \
 			my_malloc.c my_realloc.c my_once.c mulalloc.c \

mysys/hash.c

@@ -374,10 +374,11 @@ my_bool hash_delete(HASH *hash,byte *record)
   uint blength,pos2,pos_hashnr,lastpos_hashnr,idx,empty_index;
   HASH_LINK *data,*lastpos,*gpos,*pos,*pos3,*empty;
   DBUG_ENTER("hash_delete");
+  if (!hash->records)
+    DBUG_RETURN(1);
 
   blength=hash->blength;
   data=dynamic_element(&hash->array,0,HASH_LINK*);
-
   /* Search after record with key */
   pos=data+ hash_mask(rec_hashnr(hash,record),blength,hash->records);
   gpos = 0;

mysys/mf_cache.c

@@ -74,7 +74,7 @@ my_bool open_cached_file(IO_CACHE *cache, const char* dir, const char *prefix,
   }
   my_free(cache->dir,	MYF(MY_ALLOW_ZERO_PTR));
   my_free(cache->prefix,MYF(MY_ALLOW_ZERO_PTR));
-  DBUG_RETURN(0);
+  DBUG_RETURN(1);
 }
 
 	/* Create the temporary file */
@@ -101,10 +101,12 @@ void close_cached_file(IO_CACHE *cache)
   DBUG_ENTER("close_cached_file");
   if (my_b_inited(cache))
   {
+    File file=cache->file;
+    cache->file= -1;				/* Don't flush data */
     (void) end_io_cache(cache);
-    if (cache->file >= 0)
+    if (file >= 0)
     {
-      (void) my_close(cache->file,MYF(0));
+      (void) my_close(file,MYF(0));
 #ifdef CANT_DELETE_OPEN_FILES
       if (cache->file_name)
       {

mysys/mf_iocache.c

@@ -22,10 +22,13 @@
   (and get a EOF-error).
   Possibly use of asyncronic io.
   macros for read and writes for faster io.
-  Used instead of FILE when reading or writing hole files.
-  This shall make mf_rec_cache obsolite.
-  One can change info->pos_in_file to a higer value to skipp bytes in file if
+  Used instead of FILE when reading or writing whole files.
+  This will make mf_rec_cache obsolete.
+  One can change info->pos_in_file to a higher value to skip bytes in file if
   also info->rc_pos is set to info->rc_end.
+  If called through open_cached_file(), then the temporary file will
+  only be created if a write exeeds the file buffer or if one calls
+  flush_io_cache().  
 */
 
 #define MAP_TO_USE_RAID
@@ -40,7 +43,7 @@ static void my_aiowait(my_aio_result *result);
 
 	/*
 	** if cachesize == 0 then use default cachesize (from s-file)
-	** if file == -1 then real_open_cached_file() will be called to
+	** if file == -1 then real_open_cached_file() will be called.
 	** returns 0 if ok
 	*/
 
@@ -59,17 +62,24 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
   min_cache=use_async_io ? IO_SIZE*4 : IO_SIZE*2;
   if (type == READ_CACHE)
   {						/* Assume file isn't growing */
-    my_off_t file_pos,end_of_file;
-    if ((file_pos=my_tell(file,MYF(0)) == MY_FILEPOS_ERROR))
-      DBUG_RETURN(1);
-    end_of_file=my_seek(file,0L,MY_SEEK_END,MYF(0));
-    if (end_of_file < seek_offset)
-      end_of_file=seek_offset;
-    VOID(my_seek(file,file_pos,MY_SEEK_SET,MYF(0)));
-    if ((my_off_t) cachesize > end_of_file-seek_offset+IO_SIZE*2-1)
+    if (cache_myflags & MY_DONT_CHECK_FILESIZE)
     {
-      cachesize=(uint) (end_of_file-seek_offset)+IO_SIZE*2-1;
-      use_async_io=0;				/* No nead to use async */
+      cache_myflags &= ~MY_DONT_CHECK_FILESIZE;
+    }
+    else
+    {
+      my_off_t file_pos,end_of_file;
+      if ((file_pos=my_tell(file,MYF(0)) == MY_FILEPOS_ERROR))
+	DBUG_RETURN(1);
+      end_of_file=my_seek(file,0L,MY_SEEK_END,MYF(0));
+      if (end_of_file < seek_offset)
+	end_of_file=seek_offset;
+      VOID(my_seek(file,file_pos,MY_SEEK_SET,MYF(0)));
+      if ((my_off_t) cachesize > end_of_file-seek_offset+IO_SIZE*2-1)
+      {
+	cachesize=(uint) (end_of_file-seek_offset)+IO_SIZE*2-1;
+	use_async_io=0;				/* No nead to use async */
+      }
     }
   }
 
@@ -545,7 +555,6 @@ int my_block_write(register IO_CACHE *info, const byte *Buffer, uint Count,
   return error;
 }
 
-
 	/* Flush write cache */
 
 int flush_io_cache(IO_CACHE *info)
@@ -565,7 +574,9 @@ int flush_io_cache(IO_CACHE *info)
       length=(uint) (info->rc_pos - info->buffer);
       if (info->seek_not_done)
       {					/* File touched, do seek */
-	VOID(my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)));
+	if (my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)) ==
+	    MY_FILEPOS_ERROR)
+	  DBUG_RETURN((info->error= -1));
 	info->seek_not_done=0;
       }
       info->rc_pos=info->buffer;

mysys/my_vsnprintf.c

@@ -21,74 +21,49 @@
 #include <stdarg.h>
 #include <m_ctype.h>
 
-
-
-int my_vsnprintf(char* str, size_t n, const char* fmt, va_list ap)
+int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
 {
-  uint		olen = 0, plen;
-  const char *tpos;
-  reg1 char	*endpos;
-  reg2 char		* par;
-  char* ebuff = str;
-  
-  endpos=ebuff;
-  tpos = fmt;
+  char *start=to, *end=to+n-1;
 
-  while (*tpos)
+  for (; *fmt ; fmt++)
   {
-    if (tpos[0] != '%')
+    if (fmt[0] != '%')
     {
-      if(olen + 1 >= n)
+      if (to == end)			/* End of buffer */
 	break;
-      
-      *endpos++= *tpos++;	/* Copy ordinary char */
-      olen++;
+      *to++= *fmt;			/* Copy ordinary char */
       continue;
     }
-    if (*++tpos == '%')		/* test if %% */
-    {
-      olen--;
-    }
-    else
+    /* Skipp if max size is used (to be compatible with printf) */
+    while (isdigit(*fmt) || *fmt == '.' || *fmt == '-')
+      fmt++;
+    if (*fmt == 's')				/* String parameter */
     {
-      /* Skipp if max size is used (to be compatible with printf) */
-      while (isdigit(*tpos) || *tpos == '.' || *tpos == '-')
-	tpos++;
-      if (*tpos == 's')				/* String parameter */
-      {
-	par = va_arg(ap, char *);
-	plen = (uint) strlen(par);
-	if (olen + plen < n)		/* Replace if possible */
-	{
-	  endpos=strmov(endpos,par);
-	  tpos++;
-	  olen+=plen;
-	  continue;
-	}
-      }
-      else if (*tpos == 'd' || *tpos == 'u')	/* Integer parameter */
+      reg2 char	*par = va_arg(ap, char *);
+      uint plen = (uint) strlen(par);
+      if ((uint) (end-to) > plen)	/* Replace if possible */
       {
-	register int iarg;
-	iarg = va_arg(ap, int);
-	if(olen + 16 >= n) break;
-	
-	if (*tpos == 'd')
-	  plen= (uint) (int2str((long) iarg,endpos, -10) - endpos);
-	else
-	  plen= (uint) (int2str((long) (uint) iarg,endpos,10)- endpos);
-	if (olen + plen < n) /* Replace parameter if possible */
-	{
-	  endpos+=plen;
-	  tpos++;
-	  olen+=plen;
-	  continue;
-	}
+	to=strmov(to,par);
+	continue;
       }
     }
-    *endpos++='%';		/* % used as % or unknown code */
+    else if (*fmt == 'd' || *fmt == 'u')	/* Integer parameter */
+    {
+      register int iarg;
+      if ((uint) (end-to) < 16)
+	break;
+      iarg = va_arg(ap, int);
+      if (*fmt == 'd')
+	to=int10_to_str((long) iarg,to, -10);
+      else
+	to=int10_to_str((long) (uint) iarg,to,10);
+      continue;
+    }
+    /* We come here on '%%', unknown code or too long parameter */
+    if (to == end)
+      break;
+    *to++='%';				/* % used as % or unknown code */
   }
-  *endpos='\0';
-  /* End of errmessage */
- return olen;
+  *to='\0';				/* End of errmessage */
+  return (uint) (to - start);
 }
-

scripts/safe_mysqld.sh

@@ -28,10 +28,13 @@ parse_arguments() {
       --socket=*)   MYSQL_UNIX_PORT=`echo "$arg" | sed -e "s;--socket=;;"` ;;
       --port=*)     MYSQL_TCP_PORT=`echo "$arg" | sed -e "s;--port=;;"` ;;
       --log=*)      log=`echo "$arg" | sed -e "s;--log=;;"` ;;
-      --err-log=*)  err_log=`echo "$arg" | sed -e "s;--err-log=;;"` ;;
       --basedir=*)  MY_BASEDIR_VERSION=`echo "$arg" | sed -e "s;--basedir=;;"` ;;
-      --ledir=*)    ledir=`echo "$arg" | sed -e "s;--ledir=;;"` ;;
       --user=*)     user=`echo "$arg" | sed -e "s;--user=;;"` ;;
+      --ledir=*)    ledir=`echo "$arg" | sed -e "s;--ledir=;;"` ;;
+      --err-log=*)  err_log=`echo "$arg" | sed -e "s;--err-log=;;"` ;;
+      --open-files=*) open_files=`echo "$arg" | sed -e "s;--open-files=;;"` ;;
+      --core-file-size*) core_file_size=`echo "$arg" | sed -e "s;--core_file_size=;;"` ;;
+      --timezone=*) TZ=`echo "$arg" | sed -e "s;--timezone=;;"` ; export TZ; ;;
     esac
   done
 }
@@ -105,6 +108,14 @@ if test -w /
 then
   # If we are root, change the err log to the right user.
   touch $err_log; chown $user $err_log
+  if test -n "$open_files"
+  then
+    ulimit -n $open_files
+  fi
+  if test -n "$core_file_size"
+  then
+    ulimit -c $core_file_size
+  fi
 fi
 
 #

sql-bench/bench-init.pl.sh

@@ -339,6 +339,15 @@ sub end_benchmark
   exit 0;
 }
 
+sub print_time
+{
+  my ($estimated)=@_;
+  if ($estimated)
+  { print "Estimated time"; }
+  else
+  { print "Time"; }
+}
+
 #
 # Create a filename part for the machine that can be used for log file.
 #

sql-bench/crash-me.sh

@@ -39,7 +39,7 @@
 # "3-byte int" or "same as xxx".
 
 
-$version="1.50";
+$version="1.51";
 
 use DBI;
 use Getopt::Long;
@@ -289,6 +289,11 @@ report("rename table","rename_table",
 $dbh->do("drop table crash_q1");
 $dbh->do("drop table crash_q");
 
+report("truncate table","truncate_table",
+       "create table crash_q (a integer, b integer,c CHAR(10))",
+       "truncate table crash_q",
+       "drop table crash_q1");
+
 if ($dbh->do("create table crash_q (a integer, b integer,c CHAR(10))") &&
     $dbh->do("create table crash_q1 (a integer, b integer,c CHAR(10) not null)"))
 {

sql-bench/test-insert.sh

@@ -270,7 +270,7 @@ for ($i=1 ; $i <= $small_loop_count ; $i++)
   {
     if (!$error++)
     {
-      print "Warning: Got $found_rows rows when selecting a hole table of " . ($total_rows) . " rows\nContact the database or DBD author!\n";
+      print "Warning: Got $found_rows rows when selecting a whole table of " . ($total_rows) . " rows\nContact the database or DBD author!\n";
     }
   }
   $count+=$found_rows;
@@ -280,44 +280,125 @@ $end_time=new Benchmark;
 print "Time for select_big ($small_loop_count:$count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
+#
+# Do a lot of different ORDER BY queries
+#
+
 $loop_time=new Benchmark;
-$estimated=0;
-$rows=0;
-$count=0;
-for ($i=1 ; $i <= $small_loop_count/2 ; $i++)
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
 {
   $rows+=fetch_all_rows($dbh,"select id from bench1 order by id",1);
+  $end_time=new Benchmark;
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
+					 $small_loop_count));
+}
+if ($estimated)
+{ print "Estimated time"; }
+else
+{ print "Time"; }
+print " for order_by_big_key ($small_loop_count:$rows): " .
+  timestr(timediff($end_time, $loop_time),"all") . "\n";
+
+$loop_time=new Benchmark;
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
+{
   $rows+=fetch_all_rows($dbh,"select id from bench1 order by id desc",1);
-  $count+=2;
   $end_time=new Benchmark;
-  last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$count,
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
 					 $small_loop_count));
 }
 if ($estimated)
 { print "Estimated time"; }
 else
 { print "Time"; }
-print " for order_by_key ($count:$rows): " .
+print " for order_by_big_key_desc ($small_loop_count:$rows): " .
   timestr(timediff($end_time, $loop_time),"all") . "\n";
 
 $loop_time=new Benchmark;
-$estimated=0;
-$rows=0;
-$count=0;
-for ($i=1 ; $i <= $small_loop_count/2 ; $i++)
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
 {
-  $rows+=fetch_all_rows($dbh,"select id2 from bench1 order by id2",1);
-  $rows+=fetch_all_rows($dbh,"select id2 from bench1 order by id2 desc",1);
-  $count+=2;
+  $rows+=fetch_all_rows($dbh,"select id3 from bench1 order by id3",1);
   $end_time=new Benchmark;
-  last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$count,
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
+					 $small_loop_count));
+}
+if ($estimated)
+{ print "Estimated time"; }
+else
+{ print "Time"; }
+print " for order_by_big_key2 ($small_loop_count:$rows): " .
+  timestr(timediff($end_time, $loop_time),"all") . "\n";
+
+$loop_time=new Benchmark;
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
+{
+  $rows+=fetch_all_rows($dbh,"select id2 from bench1 order by id3",1);
+  $end_time=new Benchmark;
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
 					 $small_loop_count));
 }
 if ($estimated)
 { print "Estimated time"; }
 else
 { print "Time"; }
-print " for order_by ($count:$rows): " .
+print " for order_by_big_key_diff ($small_loop_count:$rows): " .
+  timestr(timediff($end_time, $loop_time),"all") . "\n";
+
+
+$loop_time=new Benchmark;
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
+{
+  $rows+=fetch_all_rows($dbh,"select id from bench1 order by id2,id3",1);
+  $end_time=new Benchmark;
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
+					 $small_loop_count));
+}
+if ($estimated)
+{ print "Estimated time"; }
+else
+{ print "Time"; }
+print " for order_by_big ($small_loop_count:$rows): " .
+  timestr(timediff($end_time, $loop_time),"all") . "\n";
+
+$loop_time=new Benchmark;
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
+{
+  $start=$opt_loop_count/$small_loop_count*$i;
+  $end=$start+$i;
+  $rows+=fetch_all_rows($dbh,"select dummy1 from bench1 where id>=$start and id <= $end order by id",1);
+  $end_time=new Benchmark;
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
+					 $small_loop_count));
+}
+if ($estimated)
+{ print "Estimated time"; }
+else
+{ print "Time"; }
+print " for order_by_key ($small_loop_count:$rows): " .
+  timestr(timediff($end_time, $loop_time),"all") . "\n";
+
+$loop_time=new Benchmark;
+$estimated=$rows=0;
+for ($i=1 ; $i <= $small_loop_count ; $i++)
+{
+  $start=$opt_loop_count/$small_loop_count*$i;
+  $end=$start+$small_loop_count;
+  $rows+=fetch_all_rows($dbh,"select id2 from bench1 where id3>=$start and id3 <= $end order by id3",1);
+  $end_time=new Benchmark;
+  last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i,
+					 $small_loop_count));
+}
+if ($estimated)
+{ print "Estimated time"; }
+else
+{ print "Time"; }
+print " for order_by_key2_diff ($small_loop_count:$rows): " .
   timestr(timediff($end_time, $loop_time),"all") . "\n";
 
 #
@@ -417,6 +498,7 @@ if ($limits->{'group_functions'})
   $loop_time=new Benchmark;
   $count=1;
 
+  $estimated=0;
   for ($tests=0 ; $tests < $small_loop_count ; $tests++)
   {
     $sth=$dbh->prepare($query="select count(*) from bench1") or die $DBI::errstr;
@@ -492,9 +574,12 @@ if ($limits->{'group_functions'})
 	print "Warning: '$query' returned wrong number of rows\n";
       }
     }
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$tests,
+					   $small_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for select_group ($count): " .
+  print_time($estimated);
+  print " for select_group ($count): " .
       timestr(timediff($end_time, $loop_time),"all") . "\n";
 
   $loop_time=new Benchmark;

sql-bench/test-select.sh

@@ -205,10 +205,7 @@ for ($i=0 ; $i < $opt_small_loop_count ; $i++)
 					 $opt_small_loop_count));
 }
 
-if ($estimated)
-{ print "Estimated time"; }
-else
-{ print "Time"; }
+print_time($estimated);
 print " for select_range ($count:$rows): " .
   timestr(timediff($end_time, $loop_time),"all") . "\n";
 
@@ -243,10 +240,7 @@ if ($limits->{'group_functions'})
     last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
 					   $tests+1, $opt_loop_count));
   }
-  if ($estimated)
-  { print "Estimated time"; }
-  else
-  { print "Time"; }
+  print_time($estimated);
   print " for min_max_on_key ($count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
@@ -267,10 +261,7 @@ if ($limits->{'group_functions'})
     last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
 					   $tests+1, $opt_loop_count));
   }
-  if ($estimated)
-    { print "Estimated time"; }
-  else
-    { print "Time"; }
+  print_time($estimated);
   print " for count_on_key ($count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
   
@@ -278,7 +269,7 @@ if ($limits->{'group_functions'})
   $rows=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
-    fetch_all_rows($dbh,"select grp,count(*) from bench1 group by grp");
+    $rows+=fetch_all_rows($dbh,"select grp,count(*) from bench1 group by grp");
   }
   $end_time=new Benchmark;
   print "Time for count_group_on_key_parts ($i:$rows): " .
@@ -289,54 +280,74 @@ if ($limits->{'group_functions'})
 {
   print "Testing count(distinct) on the table\n";
   $loop_time=new Benchmark;
-  $rows=0;
+  $rows=$estimated=$count=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
+    $count+=2;
     $rows+=fetch_all_rows($dbh,"select count(distinct region) from bench1");
     $rows+=fetch_all_rows($dbh,"select count(distinct grp) from bench1");
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
+					   $opt_medium_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for count_distinct ($i:$rows): " .
+  print_time($estimated);
+  print " for count_distinct ($count:$rows): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
   $loop_time=new Benchmark;
-  $rows=0;
+  $rows=$estimated=$count=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
+    $count++;
     $rows+=fetch_all_rows($dbh,"select region,count(distinct idn) from bench1 group by region");
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
+					   $opt_medium_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for count_distinct_group_on_key ($i:$rows): " .
+  print_time($estimated);
+  print " for count_distinct_group_on_key ($count:$rows): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
   $loop_time=new Benchmark;
-  $rows=0;
+  $rows=$estimated=$count=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
+    $count++;
     $rows+=fetch_all_rows($dbh,"select grp,count(distinct idn) from bench1 group by grp");
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
+					   $opt_medium_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for count_distinct_group_on_key_parts ($i:$rows): " .
+  print_time($estimated);
+  print " for count_distinct_group_on_key_parts ($count:$rows): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
   $loop_time=new Benchmark;
-  $rows=0;
+  $rows=$estimated=$count=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
+    $count++;
     $rows+=fetch_all_rows($dbh,"select grp,count(distinct rev_idn) from bench1 group by grp");
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
+					   $opt_medium_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for count_distinct_group ($i:$rows): " .
+  print_time($estimated);
+  print " for count_distinct_group ($count:$rows): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 
   $loop_time=new Benchmark;
-  $rows=0;
+  $rows=$estimated=$count=0;
   for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
   {
+    $count++;
     $rows+=fetch_all_rows($dbh,"select idn,count(distinct region) from bench1 group by idn");
+    $end_time=new Benchmark;
+    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
+					   $opt_medium_loop_count));
   }
-  $end_time=new Benchmark;
-  print "Time for count_distinct_big ($i:$rows): " .
+  print_time($estimated);
+  print " for count_distinct_big ($count:$rows): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n";
 }
 

sql/filesort.cc

@@ -38,8 +38,8 @@ if (my_b_write((file),(byte*) (from),param->ref_length)) \
 
 typedef struct st_buffpek {		/* Struktur om sorteringsbuffrarna */
   my_off_t file_pos;			/* Where we are in the sort file */
-  ha_rows count;			/* Number of rows in table */
   uchar *base,*key;			/* key pointers */
+  ha_rows count;			/* Number of rows in table */
   ulong mem_count;			/* numbers of keys in memory */
   ulong max_keys;			/* Max keys in buffert */
 } BUFFPEK;
@@ -98,7 +98,6 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
   BUFFPEK *buffpek;
   ha_rows records;
   uchar **sort_keys;
-  gptr save_1,save_2;
   IO_CACHE tempfile,*selected_records_file,*outfile;
   SORTPARAM param;
   DBUG_ENTER("filesort");
@@ -109,7 +108,6 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
 
   outfile= table[0]->io_cache;
   my_b_clear(&tempfile);
-  save_1=save_2=0;
   buffpek= (BUFFPEK *) NULL; sort_keys= (uchar **) NULL; error= 1;
   maxbuffer=1;
   param.ref_length= table[0]->file->ref_length;
@@ -148,7 +146,7 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
   else
   {
     table[0]->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);/* Get record-count */
-    records=table[0]->file->records+EXTRA_RECORDS;
+    records=table[0]->file->estimate_number_of_rows();
     selected_records_file= 0;
   }
   if (param.sort_length == param.ref_length && records > param.max_rows)
@@ -160,16 +158,11 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
     goto err;
 #endif
 
-	/* Reserve memory for IO_CACHE files */
-  if (! (save_1=my_malloc(DISK_BUFFER_SIZE,MYF(MY_WME))) ||
-      ! (save_2=my_malloc(DISK_BUFFER_SIZE,MYF(MY_WME))))
-    goto err;
-
   memavl=sortbuff_size;
   while (memavl >= MIN_SORT_MEMORY)
   {
-    if ((records+1)*(param.sort_length+sizeof(char*))+sizeof(BUFFPEK)*10 <
-	(ulong) memavl)
+    if ((ulonglong) (records+1)*(param.sort_length+sizeof(char*))+sizeof(BUFFPEK)*10 <
+	(ulonglong) memavl)
       param.keys=(uint) records+1;
     else
     {
@@ -207,10 +200,6 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
     my_error(ER_OUTOFMEMORY,MYF(ME_ERROR+ME_WAITTANG),sortbuff_size);
     goto err;
   }
-  my_free(save_1,MYF(0));		/* Free for later use */
-  my_free(save_2,MYF(0));
-  save_1=save_2=0;
-
   param.sort_form= table[0];
   param.end=(param.local_sortorder=sortorder)+s_length;
   if ((records=find_all_keys(&param,select,sort_keys,buffpek,&maxbuffer,
@@ -252,8 +241,6 @@ ha_rows filesort(TABLE **table, SORT_FIELD *sortorder, uint s_length,
 #endif
   x_free((gptr) sort_keys);
   x_free((gptr) buffpek);
-  x_free(save_1);
-  x_free(save_2);
   close_cached_file(&tempfile);
   if (my_b_inited(outfile))
   {
@@ -382,6 +369,7 @@ static ha_rows find_all_keys(SORTPARAM *param, SQL_SELECT *select,
     }
     if (*killed)
     {
+      DBUG_PRINT("info",("Sort killed by user"));
       (void) file->extra(HA_EXTRA_NO_CACHE);
       file->rnd_end();
       DBUG_RETURN(HA_POS_ERROR);		/* purecov: inspected */

sql/ha_berkeley.cc

@@ -25,8 +25,9 @@
     We will need an updated Berkeley DB version for this.
   - Killing threads that has got a 'deadlock'
   - SHOW TABLE STATUS should give more information about the table.
-  - Get a more accurate count of the number of rows.
-    We could store the found number of rows when the table is scanned.
+  - Get a more accurate count of the number of rows (estimate_number_of_rows()).
+    We could store the found number of rows when the table is scanned and
+    then increment the counter for each attempted write.
   - We will need a manager thread that calls flush_logs, removes old
     logs and makes checkpoints at given intervals.
   - When not using UPDATE IGNORE, don't make a sub transaction but abort
@@ -42,7 +43,6 @@
   - LOCK TABLES
   - CHAR keys
   - BLOBS
-  - delete from t1;
 */
 
 
@@ -60,6 +60,7 @@
 
 #define HA_BERKELEY_ROWS_IN_TABLE 10000 /* to get optimization right */
 #define HA_BERKELEY_RANGE_COUNT	  100
+#define HA_BERKELEY_MAX_ROWS	  10000000 /* Max rows in table */
 
 const char *ha_berkeley_ext=".db";
 bool berkeley_skip=0;
@@ -1297,7 +1298,7 @@ void ha_berkeley::info(uint flag)
   DBUG_ENTER("info");
   if (flag & HA_STATUS_VARIABLE)
   {
-    records = HA_BERKELEY_ROWS_IN_TABLE; // Just to get optimisations right
+    records = estimate_number_of_rows(); 		// Just to get optimisations right
     deleted = 0;
   }
   else if (flag & HA_STATUS_ERRKEY)
@@ -1607,4 +1608,21 @@ void ha_berkeley::update_auto_primary_key()
   pthread_mutex_unlock(&share->mutex);
 }
 
+/*
+  Return an estimated of the number of rows in the table.
+  Used when sorting to allocate buffers and by the optimizer.
+*/
+
+ha_rows ha_berkeley::estimate_number_of_rows()
+{
+  ulonglong max_ident;
+  ulonglong max_rows=table->max_rows ? table->max_rows : HA_BERKELEY_MAX_ROWS;
+  if (!hidden_primary_key)
+    return (ha_rows) max_rows;
+  pthread_mutex_lock(&share->mutex);
+  max_ident=share->auto_ident+EXTRA_RECORDS;
+  pthread_mutex_unlock(&share->mutex);
+  return (ha_rows) min(max_ident,max_rows);
+}
+
 #endif /* HAVE_BERKELEY_DB */

sql/ha_berkeley.h

@@ -91,7 +91,8 @@ class ha_berkeley: public handler
   uint max_keys()          const { return MAX_KEY-1; }
   uint max_key_parts()     const { return MAX_REF_PARTS; }
   uint max_key_length()    const { return MAX_KEY_LENGTH; }
-  uint extra_rec_buf_length() { return BDB_HIDDEN_PRIMARY_KEY_LENGTH; }
+  uint extra_rec_buf_length()	 { return BDB_HIDDEN_PRIMARY_KEY_LENGTH; }
+  ha_rows estimate_number_of_rows();
   bool fast_key_read()	   { return 1;}
   bool has_transactions()  { return 1;}
 

sql/handler.h

@@ -203,6 +203,7 @@ public:
   virtual bool fast_key_read() { return 0;}
   virtual bool has_transactions(){ return 0;}
   virtual uint extra_rec_buf_length() { return 0; }
+  virtual ha_rows estimate_number_of_rows() { return records+EXTRA_RECORDS; }
 
   virtual int index_init(uint idx) { active_index=idx; return 0;}
   virtual int index_end() {return 0; }

sql/item_create.cc

@@ -352,11 +352,6 @@ Item *create_func_to_days(Item* a)
   return new Item_func_to_days(a);
 }
 
-Item *create_func_truncate (Item *a, Item *b)
-{
-  return new Item_func_round(a,b,1);
-}
-
 Item *create_func_ucase(Item* a)
 {
   return new Item_func_ucase(a);

sql/item_create.h

@@ -81,7 +81,6 @@ Item *create_func_tan(Item* a);;
 Item *create_func_time_format(Item *a, Item *b);
 Item *create_func_time_to_sec(Item* a);
 Item *create_func_to_days(Item* a);
-Item *create_func_truncate (Item *a, Item *b);
 Item *create_func_ucase(Item* a);
 Item *create_func_version(void);
 Item *create_func_weekday(Item* a);

sql/item_strfunc.cc

@@ -1598,7 +1598,7 @@ String *Item_load_file::val_str(String *str)
 
   if (!(file_name= args[0]->val_str(str)) ||
       !(current_thd->master_access & FILE_ACL) ||
-      !my_stat(file_name->c_ptr(), &stat_info, MYF(MY_FAE)))
+      !my_stat(file_name->c_ptr(), &stat_info, MYF(MY_WME)))
     goto err;
   if (!(stat_info.st_mode & S_IROTH))
   {

sql/lex.h

@@ -302,6 +302,7 @@ static SYMBOL symbols[] = {
   { "TINYTEXT",		SYM(TINYTEXT),0,0},
   { "TINYINT",		SYM(TINYINT),0,0},
   { "TRAILING",		SYM(TRAILING),0,0},
+  { "TRUNCATE",		SYM(TRUNCATE_SYM),0,0},
   { "TO",		SYM(TO_SYM),0,0},
   { "TYPE",		SYM(TYPE_SYM),0,0},
   { "UNION",	        SYM(UNION_SYM),0,0},
@@ -443,7 +444,6 @@ static SYMBOL sql_functions[] = {
   { "TIME_TO_SEC",	SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_time_to_sec)},
   { "TO_DAYS",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_to_days)},
   { "TRIM",		SYM(TRIM),0,0},
-  { "TRUNCATE",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_truncate )},
   { "UCASE",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_ucase)},
   { "UPPER",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_ucase)},
   { "UNIQUE_USERS",	SYM(UNIQUE_USERS),0,0},

sql/lock.cc

@@ -70,8 +70,8 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **tables,uint count)
       thd->proc_info="Waiting for table";
       pthread_mutex_unlock(&thd->mysys_var->mutex);
 
-      while (global_read_lock && ! thd->killed ||
-	     thd->version != refresh_version)
+      while (global_read_lock && ! thd->killed &&
+	     thd->version == refresh_version)
       {
 	(void) pthread_cond_wait(&COND_refresh,&LOCK_open);
       }

sql/log_event.h

@@ -65,9 +65,9 @@ public:
   int valid_exec_time; // if false, the exec time setting is bogus 
   uint32 server_id;
 
-  int write(FILE* file);
-  int write_header(FILE* file);
-  virtual int write_data(FILE* file __attribute__((unused))) { return 0; }
+  int write(IO_CACHE* file);
+  int write_header(IO_CACHE* file);
+  virtual int write_data(IO_CACHE* file __attribute__((unused))) { return 0; }
   virtual Log_event_type get_type_code() = 0;
   Log_event(time_t when_arg, ulong exec_time_arg = 0,
 	    int valid_exec_time_arg = 0, uint32 server_id = 0): when(when_arg),
@@ -92,11 +92,11 @@ public:
   void print_header(FILE* file);
 
   // if mutex is 0, the read will proceed without mutex
-  static Log_event* read_log_event(FILE* file, pthread_mutex_t* log_lock);
+  static Log_event* read_log_event(IO_CACHE* file, pthread_mutex_t* log_lock);
   static Log_event* read_log_event(const char* buf, int event_len);
 
 #ifndef MYSQL_CLIENT
-  static int read_log_event(FILE* file, String* packet,
+  static int read_log_event(IO_CACHE* file, String* packet,
 			    pthread_mutex_t* log_lock);
 #endif
   
@@ -132,18 +132,18 @@ public:
   }
 #endif
 
-  Query_log_event(FILE* file, time_t when, uint32 server_id);
+  Query_log_event(IO_CACHE* file, time_t when, uint32 server_id);
   Query_log_event(const char* buf, int event_len);
   ~Query_log_event()
   {
     if (data_buf)
     {
-      my_free((gptr)data_buf, MYF(0));
+      my_free((gptr) data_buf, MYF(0));
     }
   }
   Log_event_type get_type_code() { return QUERY_EVENT; }
-  int write(FILE* file);
-  int write_data(FILE* file); // returns 0 on success, -1 on error
+  int write(IO_CACHE* file);
+  int write_data(IO_CACHE* file); // returns 0 on success, -1 on error
   int get_data_size()
   {
     return q_len + db_len + 2 +
@@ -183,6 +183,8 @@ class Load_log_event: public Log_event
 {
 protected:
   char* data_buf;
+  void Load_log_event::copy_log_event(const char *buf, ulong data_len);
+
 public:
   int thread_id;
   uint32 table_name_len;
@@ -272,17 +274,17 @@ public:
   void set_fields(List<Item> &fields);
 #endif
 
-  Load_log_event(FILE* file, time_t when, uint32 server_id);
+  Load_log_event(IO_CACHE * file, time_t when, uint32 server_id);
   Load_log_event(const char* buf, int event_len);
   ~Load_log_event()
   {
     if (data_buf)
     {
-      my_free((gptr)data_buf, MYF(0));
+      my_free((gptr) data_buf, MYF(0));
     }
   }
   Log_event_type get_type_code() { return LOAD_EVENT; }
-  int write_data(FILE* file); // returns 0 on success, -1 on error
+  int write_data(IO_CACHE* file); // returns 0 on success, -1 on error
   int get_data_size()
   {
     return table_name_len + 2 + db_len + 2 + fname_len
@@ -311,30 +313,26 @@ public:
     created = (uint32) when;
     memcpy(server_version, ::server_version, sizeof(server_version));
   }
-  Start_log_event(FILE* file, time_t when_arg, uint32 server_id) :
+  Start_log_event(IO_CACHE* file, time_t when_arg, uint32 server_id) :
     Log_event(when_arg, 0, 0, server_id)
   {
     char buf[sizeof(server_version) + sizeof(binlog_version) +
-	    sizeof(created)];
-    my_fseek(file, 4L, MY_SEEK_CUR, MYF(MY_WME)); // skip the event length
-    if (my_fread(file, (byte*) buf, sizeof(buf), MYF(MY_NABP | MY_WME)))
+	    sizeof(created)+4];
+    if (my_b_read(file, (byte*) buf, sizeof(buf)))
       return;				
-    binlog_version = uint2korr(buf);
-    memcpy(server_version, buf + 2, sizeof(server_version));
-    created = uint4korr(buf + 2 + sizeof(server_version));
+    binlog_version = uint2korr(buf+4);
+    memcpy(server_version, buf + 6, sizeof(server_version));
+    created = uint4korr(buf + 6 + sizeof(server_version));
   }
   Start_log_event(const char* buf);
   
   ~Start_log_event() {}
   Log_event_type get_type_code() { return START_EVENT;}
-  int write_data(FILE* file)
+  int write_data(IO_CACHE* file)
   {
-    if(my_fwrite(file, (byte*) &binlog_version, sizeof(binlog_version),
-		 MYF(MY_NABP | MY_WME)) ||
-       my_fwrite(file, (byte*) server_version, sizeof(server_version),
-		 MYF(MY_NABP | MY_WME)) ||
-       my_fwrite(file, (byte*) &created, sizeof(created),
-		 MYF(MY_NABP | MY_WME)))
+    if (my_b_write(file, (byte*) &binlog_version, sizeof(binlog_version)) ||
+	my_b_write(file, (byte*) server_version, sizeof(server_version)) ||
+	my_b_write(file, (byte*) &created, sizeof(created)))
       return -1;
     return 0;
   }
@@ -354,12 +352,12 @@ public:
   Intvar_log_event(uchar type_arg, ulonglong val_arg)
     :Log_event(time(NULL)),val(val_arg),type(type_arg)
   {}
-  Intvar_log_event(FILE* file, time_t when, uint32 server_id);
+  Intvar_log_event(IO_CACHE* file, time_t when, uint32 server_id);
   Intvar_log_event(const char* buf);
   ~Intvar_log_event() {}
   Log_event_type get_type_code() { return INTVAR_EVENT;}
   int get_data_size() { return  sizeof(type) + sizeof(val);}
-  int write_data(FILE* file);
+  int write_data(IO_CACHE* file);
   
   
   void print(FILE* file, bool short_form = 0);
@@ -370,10 +368,11 @@ class Stop_log_event: public Log_event
 public:
   Stop_log_event() :Log_event(time(NULL))
   {}
-  Stop_log_event(FILE* file, time_t when_arg, uint32 server_id):
+  Stop_log_event(IO_CACHE* file, time_t when_arg, uint32 server_id):
     Log_event(when_arg,0,0,server_id)
   {
-    my_fseek(file, 4L, MY_SEEK_CUR, MYF(MY_WME)); // skip the event length
+    char skip[4];
+    my_b_read(file, skip, sizeof(skip));	// skip the event length
   }
   Stop_log_event(const char* buf):Log_event(buf)
   {
@@ -397,7 +396,7 @@ public:
     alloced(0)
   {}
   
-  Rotate_log_event(FILE* file, time_t when, uint32 server_id) ;
+  Rotate_log_event(IO_CACHE* file, time_t when, uint32 server_id) ;
   Rotate_log_event(const char* buf, int event_len);
   ~Rotate_log_event()
   {
@@ -406,7 +405,7 @@ public:
   }
   Log_event_type get_type_code() { return ROTATE_EVENT;}
   int get_data_size() { return  ident_len;}
-  int write_data(FILE* file);
+  int write_data(IO_CACHE* file);
   
   void print(FILE* file, bool short_form = 0);
 };

sql/mf_iocache.cc

@@ -32,17 +32,19 @@
 
 #define MAP_TO_USE_RAID
 #include "mysql_priv.h"
-#include <mysys_err.h>
 #ifdef HAVE_AIOWAIT
+#include <mysys_err.h>
 #include <errno.h>
 static void my_aiowait(my_aio_result *result);
 #endif
 
-	/* if cachesize == 0 then use default cachesize (from s-file) */
-	/* returns 0 if we have enough memory */
-
 extern "C" {
 
+	/*
+	** if cachesize == 0 then use default cachesize (from s-file)
+	** if file == -1 then real_open_cached_file() will be called.
+	** returns 0 if ok
+	*/
 
 int init_io_cache(IO_CACHE *info, File file, uint cachesize,
 		  enum cache_type type, my_off_t seek_offset,
@@ -60,20 +62,26 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
   min_cache=use_async_io ? IO_SIZE*4 : IO_SIZE*2;
   if (type == READ_CACHE)
   {						/* Assume file isn't growing */
-    my_off_t file_pos,end_of_file;
-    if ((file_pos=my_tell(file,MYF(0)) == MY_FILEPOS_ERROR))
-      DBUG_RETURN(1);
-    end_of_file=my_seek(file,0L,MY_SEEK_END,MYF(0));
-    if (end_of_file < seek_offset)
-      end_of_file=seek_offset;
-    VOID(my_seek(file,file_pos,MY_SEEK_SET,MYF(0)));
-    if ((my_off_t) cachesize > end_of_file-seek_offset+IO_SIZE*2-1)
+    if (cache_myflags & MY_DONT_CHECK_FILESIZE)
+    {
+      cache_myflags &= ~MY_DONT_CHECK_FILESIZE;
+    }
+    else
     {
-      cachesize=(uint) (end_of_file-seek_offset)+IO_SIZE*2-1;
-      use_async_io=0;				/* No nead to use async */
+      my_off_t file_pos,end_of_file;
+      if ((file_pos=my_tell(file,MYF(0)) == MY_FILEPOS_ERROR))
+	DBUG_RETURN(1);
+      end_of_file=my_seek(file,0L,MY_SEEK_END,MYF(0));
+      if (end_of_file < seek_offset)
+	end_of_file=seek_offset;
+      VOID(my_seek(file,file_pos,MY_SEEK_SET,MYF(0)));
+      if ((my_off_t) cachesize > end_of_file-seek_offset+IO_SIZE*2-1)
+      {
+	cachesize=(uint) (end_of_file-seek_offset)+IO_SIZE*2-1;
+	use_async_io=0;				/* No nead to use async */
+      }
     }
   }
-
   if ((int) type < (int) READ_NET)
   {
     for (;;)
@@ -167,7 +175,8 @@ my_bool reinit_io_cache(IO_CACHE *info, enum cache_type type,
   DBUG_ENTER("reinit_io_cache");
 
   info->seek_not_done= test(info->file >= 0);	/* Seek not done */
-  if (!clear_cache && seek_offset >= info->pos_in_file &&
+  if (! clear_cache &&
+      seek_offset >= info->pos_in_file &&
       seek_offset <= info->pos_in_file +
       (uint) (info->rc_end - info->rc_request_pos))
   {						/* use current buffer */
@@ -231,6 +240,7 @@ int _my_b_read(register IO_CACHE *info, byte *Buffer, uint Count)
 {
   uint length,diff_length,left_length;
   my_off_t max_length, pos_in_file;
+
   memcpy(Buffer,info->rc_pos,
 	 (size_t) (left_length=(uint) (info->rc_end-info->rc_pos)));
   Buffer+=left_length;
@@ -607,7 +617,9 @@ int flush_io_cache(IO_CACHE *info)
       length=(uint) (info->rc_pos - info->buffer);
       if (info->seek_not_done)
       {					/* File touched, do seek */
-	VOID(my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)));
+	if (my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)) ==
+	    MY_FILEPOS_ERROR)
+	  DBUG_RETURN((info->error= -1));
 	info->seek_not_done=0;
       }
       info->rc_pos=info->buffer;
@@ -644,4 +656,4 @@ int end_io_cache(IO_CACHE *info)
   DBUG_RETURN(error);
 } /* end_io_cache */
 
-}
+} /* extern "C" */

sql/mysqld.cc

@@ -131,7 +131,7 @@ extern "C" int gethostname(char *name, int namelen);
 
 #ifndef DBUG_OFF
 static const char* default_dbug_option=IF_WIN("d:t:i:O,\\mysqld.trace",
-						"d:t:i:o,/tmp/mysqld.trace");
+					      "d:t:i:o,/tmp/mysqld.trace");
 #endif
 
 #ifdef __NT__
@@ -157,7 +157,7 @@ static pthread_t select_thread;
 static pthread_t flush_thread;			// Used when debugging
 static bool opt_log,opt_update_log,opt_bin_log,opt_slow_log,opt_noacl,
             opt_disable_networking=0, opt_bootstrap=0,opt_skip_show_db=0,
-	    opt_ansi_mode=0,opt_myisam_log=0;
+	    opt_ansi_mode=0,opt_myisam_log=0, opt_large_files=sizeof(my_off_t) > 4;
 bool opt_sql_bin_update = 0, opt_log_slave_updates = 0;
 extern MASTER_INFO glob_mi;
 extern int init_master_info(MASTER_INFO* mi);
@@ -579,8 +579,8 @@ void unireg_abort(int exit_code)
 {
   if (exit_code)
     sql_print_error("Aborting\n");
-  (void) my_delete(pidfile_name,MYF(0));	// This may not always exist
   clean_up(); /* purecov: inspected */
+  (void) my_delete(pidfile_name,MYF(0));	// This may not always exist
   exit(exit_code); /* purecov: inspected */
 }
 
@@ -2436,20 +2436,21 @@ struct show_var_st init_vars[]= {
 #endif
   {"character_set",           default_charset,                      SHOW_CHAR},
   {"character_sets",          (char*) &charsets_list,               SHOW_CHAR_PTR},
-  {"connect_timeout",         (char*) &connect_timeout,             SHOW_LONG},
   {"concurrent_insert",       (char*) &myisam_concurrent_insert,    SHOW_MY_BOOL},
+  {"connect_timeout",         (char*) &connect_timeout,             SHOW_LONG},
   {"datadir",                 mysql_real_data_home,                 SHOW_CHAR},
   {"delay_key_write",         (char*) &myisam_delay_key_write,      SHOW_MY_BOOL},
   {"delayed_insert_limit",    (char*) &delayed_insert_limit,        SHOW_LONG},
   {"delayed_insert_timeout",  (char*) &delayed_insert_timeout,      SHOW_LONG},
   {"delayed_queue_size",      (char*) &delayed_queue_size,          SHOW_LONG},
-  {"join_buffer_size",        (char*) &join_buff_size,              SHOW_LONG},
   {"flush",                   (char*) &myisam_flush,                SHOW_MY_BOOL},
   {"flush_time",              (char*) &flush_time,                  SHOW_LONG},
   {"init_file",               (char*) &opt_init_file,               SHOW_CHAR_PTR},
   {"interactive_timeout",     (char*) &net_interactive_timeout,     SHOW_LONG},
+  {"join_buffer_size",        (char*) &join_buff_size,              SHOW_LONG},
   {"key_buffer_size",         (char*) &keybuff_size,                SHOW_LONG},
   {"language",                language,                             SHOW_CHAR},
+  {"large_files_support",     (char*) &opt_large_files,             SHOW_BOOL},	
 #ifdef HAVE_MLOCKALL
   {"locked_in_memory",	      (char*) &locked_in_memory,	    SHOW_BOOL},
 #endif
@@ -2472,12 +2473,15 @@ struct show_var_st init_vars[]= {
   {"myisam_recover_options",  (char*) &myisam_recover_options_str,  SHOW_CHAR_PTR},
   {"myisam_sort_buffer_size", (char*) &myisam_sort_buffer_size,     SHOW_LONG},
   {"net_buffer_length",       (char*) &net_buffer_length,           SHOW_LONG},
+  {"net_read_timeout",        (char*) &net_read_timeout,	    SHOW_LONG},
   {"net_retry_count",         (char*) &mysqld_net_retry_count,      SHOW_LONG},
+  {"net_write_timeout",       (char*) &net_write_timeout,	    SHOW_LONG},
   {"pid_file",                (char*) pidfile_name,                 SHOW_CHAR},
   {"port",                    (char*) &mysql_port,                  SHOW_INT},
   {"protocol_version",        (char*) &protocol_version,            SHOW_INT},
   {"record_buffer",           (char*) &my_default_record_cache_size,SHOW_LONG},
-  {"server_id",           (char*) &server_id, SHOW_LONG},
+  {"query_buffer_size",       (char*) &query_buff_size,		    SHOW_LONG},
+  {"server_id",               (char*) &server_id,		    SHOW_LONG},
   {"skip_locking",            (char*) &my_disable_locking,          SHOW_MY_BOOL},
   {"skip_networking",         (char*) &opt_disable_networking,      SHOW_BOOL},
   {"skip_show_database",      (char*) &opt_skip_show_db,            SHOW_BOOL},
@@ -2486,11 +2490,11 @@ struct show_var_st init_vars[]= {
   {"sort_buffer",             (char*) &sortbuff_size,               SHOW_LONG},
   {"table_cache",             (char*) &table_cache_size,            SHOW_LONG},
   {"table_type",              (char*) &default_table_type_name,     SHOW_CHAR_PTR},
+  {"thread_cache_size",       (char*) &thread_cache_size,           SHOW_LONG},
 #ifdef HAVE_THR_SETCONCURRENCY
   {"thread_concurrency",      (char*) &concurrency,                 SHOW_LONG},
 #endif
   {"thread_stack",            (char*) &thread_stack,                SHOW_LONG},
-  {"thread_cache_size",       (char*) &thread_cache_size,           SHOW_LONG},
 #ifdef HAVE_TZNAME
   {"timezone",                time_zone,                            SHOW_CHAR},
 #endif
@@ -3414,7 +3418,7 @@ static int get_service_parameters()
     else if ( lstrcmp(szKeyValueName, TEXT("ShowDatabase")) == 0 )
     {
       CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
-      opt_disable_networking = !(*lpdwValue);
+      opt_skip_show_db = !(*lpdwValue);
     }
     else if ( lstrcmp(szKeyValueName, TEXT("HostnameCaching")) == 0 )
     {

sql/sql_load.cc

@@ -158,7 +158,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
       unpack_filename(name,ex->file_name);
 #ifndef __WIN__
       MY_STAT stat_info;
-      if (!my_stat(name,&stat_info,MYF(MY_FAE)))
+      if (!my_stat(name,&stat_info,MYF(MY_WME)))
 	DBUG_RETURN(-1);
       
       // the file must be: