First part of automatic repair of MyISAM tables.

Error on full disk on repair.
SIGHUP signal handling.
Update with keys on timestamp
Portability fixes


Docs/manual.texi:
  Added documentation about automatic repair of MyISAM tables
client/mysql.cc:
  Remove usage of tempnam.
include/my_sys.h:
  Added create_temp_file
include/myisam.h:
  Fix for disk full on repair
myisam/mi_check.c:
  Fix for disk full on repair
myisam/sort.c:
  Fix for disk full on repair & removed usage of tempnam()
mysys/mf_cache.c:
  Remove usage of tempnam()
mysys/mf_dirname.c:
  Changed convert_dirname to return end 0
mysys/my_fopen.c:
  Security fixes
mysys/my_tempnam.c:
  remove blanks
readline/bind.c:
  Portability fixes
readline/complete.c:
  Portability fixes
readline/histexpand.c:
  Portability fixes
readline/input.c:
  Portability fixes
readline/search.c:
  Portability fixes
readline/shell.c:
  Portability fixes
readline/terminal.c:
  Portability fixes
readline/tilde.c:
  Portability fixes
readline/undo.c:
  Portability fixes
regex/cname.h:
  Portability fixes
regex/debug.c:
  Portability fixes
regex/main.c:
  Portability fixes
regex/regcomp.c:
  Portability fixes
regex/regerror.c:
  Portability fixes
sql/filesort.cc:
  Remove dummy code
sql/ha_myisam.cc:
  Automatic repair of MyISAM tables
sql/ha_myisam.h:
  Automatic repair of MyISAM tables
sql/handler.cc:
  Automatic repair of MyISAM tables
sql/handler.h:
  Automatic repair of MyISAM tables
sql/key.cc:
  Fix for UPDATE with key on timestamp column
sql/mysql_priv.h:
  Automatic repair of MyISAM tables
sql/mysqld.cc:
  Automatic repair of MyISAM tables & signal SIGHUP handling
sql/sql_base.cc:
  Automatic repair of MyISAM tables
sql/sql_class.cc:
  Automatic repair of MyISAM tables
sql/sql_class.h:
  Fix for insert with reference to columns
sql/sql_insert.cc:
  Fix for insert with reference to columns
sql/table.cc:
  Automatic repair of MyISAM tables
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

-bk@work.mysql.com
-davida@work.mysql.com
-jamppa@work.mysql.com
-jcole@ham.spaceapes.com
-jcole@jcole.burghcom.com
-jcole@nslinux.bedford.progress.com
-jcole@tetra.bedford.progress.com
-jcole@tetra.spaceapes.com
-matt@work.mysql.com
-monty@donna.mysql.com
-monty@work.mysql.com
-mwagner@evoq.home.mwagner.org
-nusphere@main.burghcom.com
-paul@central.snake.net
-paul@work.mysql.com
-sasha@mysql.sashanet.com
-sasha@work.mysql.com
-serg@infomag.ape.relarn.ru
-serg@work.mysql.com
-sinisa@work.mysql.com
-tim@localhost.polyesthetic.msg
-tim@work.mysql.com
-tonu@work.mysql.com
-spurr@nslinux.bedford.progress.com
+monty@tramp.mysql.fi

Docs/manual.texi

@@ -8984,6 +8984,24 @@ Lock the @code{mysqld} process in memory.  This works only if your system
 supports the @code{mlockall()} system call.  This may help if you have
 a problem where the opearting system is causing @code{mysqld} to swap on disk.
 
+@item --myisam-recover [=option[,option...]]] where option is one of DEFAULT, BACKUP or FORCE.
+If this option is used, @code{mysqld} will on open check if the table is
+marked as crashed or if if the table wasn't closed properly
+(The last option only works if you are running with @code{--skip-locking}).
+If this is the case mysqld will run check on the table. If the table was
+corrupted, @code{mysqld} will attempt to repair it.
+
+The following options affects how the repair works.
+
+@multitable @columnfractions .3 .7
+@item DEFAULT @tab The same as not giving any option to @code{--myisam-recover}.
+@item BACKUP @tab If the data table was changed during recover, save a backup of the @file{table_name.MYD} data file as @file{table_name-datetime.BAK}.
+@item FORCE @tab Run recover even if we will loose more than one row from the .MYD file.
+@end multitable
+
+Before a table is automaticly repaired, mysqld will add a note about this
+in the error log.
+
 @item --pid-file=path
 Path to pid file used by @code{safe_mysqld}.
 
@@ -21065,6 +21083,9 @@ The following is new in @code{MyISAM}:
 
 @itemize @bullet
 @item
+If @code{mysqld} is started with @code{--myisam-recover}, @code{MyISAM} tables
+will automaticly be repaired on open if the table wasn't closed properly.
+@item
 You can @code{INSERT} new rows in a table without deleted rows,
 while other threads are reading from the table.
 @item
@@ -21148,6 +21169,18 @@ Note that index files are usually much smaller with @code{MyISAM} than with
 system resources than @code{ISAM}, but will need more CPU when inserting
 data into compressed index.
 
+The following options to @code{mysqld} can be used to change the behavior of
+@code{MyISAM} tables:
+
+@multitable @columnfractions .40 .60
+@item @strong{Option} @tab @strong{Meaning}
+@item @code{--myisam-recover} @tab Automatic recover of crashed tables.
+@item @code{-O myisam_sort_buffer_size=#} @tab Buffer used when recovering tables.
+@item @code{--delay-key-write-for-all-tables} @tab Don't flush key buffers between writes for any MyISAM table
+@end multitable
+
+@xref{Command-line options}.
+
 @menu
 * Key space::                   Space needed for keys
 * MyISAM table formats::        MyISAM table formats
@@ -37416,7 +37449,14 @@ though, so 3.23 is not released as a stable version yet.
 @appendixsubsec Changes in release 3.23.26
 @itemize @bullet
 @item
-Fixed bug in @code{FULLTEXT} index when inserting a NULL column.
+Automatic repair of @code{MyISAM} tables.
+@item
+Columns referenced in @code{INSERT} are are now properly initialized.
+@item
+@code{UPDATE} didn't always work when used with a range on a timestamp that
+was part of the key that was used to find rows.
+@item
+Fixed bug in @code{FULLTEXT} index when inserting a NULL value.
 @item
 Changed to use @code{mkstemp()} instead of @code{tempnam()}.
 @end itemize

client/mysql.cc

@@ -1543,12 +1543,12 @@ com_edit(String *buffer,char *line __attribute__((unused)))
   put_info("Sorry, you can't send the result to an editor in Win32",
 	   INFO_ERROR);
 #else
-  char	*filename,buff[160];
+  char	filename[FN_REFLEN],buff[160];
   int	fd,tmp;
   const char *editor;
 
-  filename = my_tempnam(NullS,"sql",MYF(MY_WME));
-  if ((fd = my_create(filename,0,O_CREAT | O_WRONLY, MYF(MY_WME))) < 0)
+  if ((fd=create_temp_file(filename,NullS,"sql", O_CREAT | O_WRONLY,
+			   MYF(MY_WME))) < 0)
     goto err;
   if (buffer->is_empty() && !old_buffer.is_empty())
     (void) my_write(fd,(byte*) old_buffer.ptr(),old_buffer.length(),
@@ -1576,7 +1576,6 @@ com_edit(String *buffer,char *line __attribute__((unused)))
   (void) my_close(fd,MYF(0));
   (void) my_delete(filename,MYF(MY_WME));
 err:
-  free(filename);
 #endif
   return 0;
 }

include/my_sys.h

@@ -266,20 +266,21 @@ typedef struct st_dynamic_string {
 
 typedef struct st_io_cache		/* Used when cacheing files */
 {
+  my_off_t pos_in_file,end_of_file;
   byte	*rc_pos,*rc_end,*buffer,*rc_request_pos;
+  int (*read_function)(struct st_io_cache *,byte *,uint);
+  char *file_name;			/* if used with 'open_cached_file' */
+  char *dir,*prefix;
   File file;
   int	seek_not_done,error;
   uint	buffer_length,read_length;
-  my_off_t pos_in_file,end_of_file;
   myf	myflags;			/* Flags used to my_read/my_write */
+  enum cache_type type;
 #ifdef HAVE_AIOWAIT
   uint inited;
   my_off_t aio_read_pos;
   my_aio_result aio_result;
 #endif
-  enum cache_type type;
-  int (*read_function)(struct st_io_cache *,byte *,uint);
-  char *file_name;			/* if used with 'open_cached_file' */
 } IO_CACHE;
 
 typedef int (*qsort2_cmp)(const void *, const void *, const void *);
@@ -399,7 +400,7 @@ extern void TERMINATE(FILE *file);
 #endif
 extern void init_glob_errs(void);
 extern FILE *my_fopen(const char *FileName,int Flags,myf MyFlags);
-extern FILE *my_fdopen(File Filedes,int Flags,myf MyFlags);
+extern FILE *my_fdopen(File Filedes,const char *name, int Flags,myf MyFlags);
 extern int my_fclose(FILE *fd,myf MyFlags);
 extern int my_chsize(File fd,my_off_t newlength,myf MyFlags);
 extern int my_error _VARARGS((int nr,myf MyFlags, ...));
@@ -430,7 +431,7 @@ extern uint dirname_part(my_string to,const char *name);
 extern uint dirname_length(const char *name);
 #define base_name(A) (A+dirname_length(A))
 extern int test_if_hard_path(const char *dir_name);
-extern void convert_dirname(my_string name);
+extern char *convert_dirname(my_string name);
 extern void to_unix_path(my_string name);
 extern my_string fn_ext(const char *name);
 extern my_string fn_same(my_string toname,const char *name,int flag);
@@ -507,6 +508,8 @@ extern my_bool open_cached_file(IO_CACHE *cache,const char *dir,
 				 myf cache_myflags);
 extern my_bool real_open_cached_file(IO_CACHE *cache);
 extern void close_cached_file(IO_CACHE *cache);
+File create_temp_file(char *to, const char *dir, const char *pfx,
+		      int mode, myf MyFlags);
 extern my_bool init_dynamic_array(DYNAMIC_ARRAY *array,uint element_size,
 				  uint init_alloc,uint alloc_increment);
 extern my_bool insert_dynamic(DYNAMIC_ARRAY *array,gptr element);

include/myisam.h

@@ -339,7 +339,6 @@ typedef struct st_mi_check_param
 
 
 typedef struct st_mi_sortinfo {
-  uint key_length;
   ha_rows max_records;
   SORT_INFO *sort_info;
   char *tmpdir;
@@ -347,6 +346,8 @@ typedef struct st_mi_sortinfo {
   int (*key_read)(SORT_INFO *info,void *buff);
   int (*key_write)(SORT_INFO *info, const void *buff);
   void (*lock_in_memory)(MI_CHECK *info);
+  uint key_length;
+  myf myf_rw;
 } MI_SORT_PARAM;
 
 /* functions in mi_check */

myisam/mi_check.c

@@ -1759,6 +1759,7 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
   sort_param.key_read=sort_key_read;
   sort_param.lock_in_memory=lock_memory;
   sort_param.tmpdir=param->tmpdir;
+  sort_param.myf_rw=param->myf_rw;
   sort_param.sort_info=sort_info;
 
   del=info->state->del;

mysys/mf_cache.c

@@ -18,66 +18,115 @@
 /* Open a temporary file and cache it with io_cache. Delete it on close */
 
 #include "mysys_priv.h"
+#include <m_string.h>
+#include "my_static.h"
+#include "mysys_err.h"
+#include <paths.h>
+
+#define TMP_EXT ".tmp"				/* Extension of tempfile  */
+#if ! defined(P_tmpdir)
+#define P_tmpdir ""
+#endif
+
+#ifdef HAVE_TEMPNAM
+#ifndef MSDOS
+extern char **environ;
+#endif
+#endif
+
+	/*
+	  Remove an open tempfile so that it doesn't survive
+	  if we crash;	If the operating system doesn't support
+	  this, just remember the file name for later removal
+	*/
+
+static my_bool cache_remove_open_tmp(IO_CACHE *cache, const char *name)
+{
+#if O_TEMPORARY == 0
+#if !defined(CANT_DELETE_OPEN_FILES)
+  /* The following should always succeed */
+  (void) my_delete(name,MYF(MY_WME | ME_NOINPUT));
+#else
+  int length;
+  if (!(cache->file_name=
+	(char*) my_malloc((length=strlen(name)+1),MYF(MY_WME)))
+  {
+    my_close(cache->file,MYF(0));
+    cache->file = -1;
+    errno=my_error=ENOMEM;
+    return 1;
+  }
+  memcpy(cache->file_name,name,length);
+#endif
+#endif /* O_TEMPORARY == 0 */
+  return 0;
+}
 
 	/*
-	** Open a cached tempfile by IO_CACHE
+	** Open tempfile cached by IO_CACHE
 	** Should be used when no seeks are done (only reinit_io_buff)
 	** Return 0 if cache is inited ok
 	** The actual file is created when the IO_CACHE buffer gets filled
+	** If dir is not given, use TMPDIR.
 	*/
 
 my_bool open_cached_file(IO_CACHE *cache, const char* dir, const char *prefix,
 			  uint cache_size, myf cache_myflags)
 {
   DBUG_ENTER("open_cached_file");
-
+  cache->dir=	 dir ? my_strdup(dir,MYF(cache_myflags & MY_WME)) : (char*) 0;
+  cache->prefix= (prefix ? my_strdup(prefix,MYF(cache_myflags & MY_WME)) :
+		 (char*) 0);
+  cache->file_name=0;
   cache->buffer=0;				/* Mark that not open */
-  if (!(cache->file_name=my_tempnam(dir,prefix,MYF(MY_WME))))
-    DBUG_RETURN(1);
   if (!init_io_cache(cache,-1,cache_size,WRITE_CACHE,0L,0,
 		     MYF(cache_myflags | MY_NABP)))
   {
     DBUG_RETURN(0);
   }
-  (*free)(cache->file_name);			/* my_tempnam uses malloc() */
-  cache->file_name=0;
+  my_free(cache->dir,	MYF(MY_ALLOW_ZERO_PTR));
+  my_free(cache->prefix,MYF(MY_ALLOW_ZERO_PTR));
   DBUG_RETURN(0);
 }
 
+	/* Create the temporary file */
 
 my_bool real_open_cached_file(IO_CACHE *cache)
 {
+  char name_buff[FN_REFLEN];
+  int error=1;
   DBUG_ENTER("real_open_cached_file");
-  if ((cache->file=my_create(cache->file_name,0,
-			     (int) (O_RDWR | O_BINARY | O_TRUNC | O_TEMPORARY |
-				    O_SHORT_LIVED),
+  if ((cache->file=create_temp_file(name_buff, cache->dir, cache->prefix,
+				    (O_RDWR | O_BINARY | O_TRUNC |
+				     O_TEMPORARY | O_SHORT_LIVED),
 				    MYF(MY_WME))) >= 0)
   {
-#if O_TEMPORARY == 0 && !defined(CANT_DELETE_OPEN_FILES)
-    VOID(my_delete(cache->file_name,MYF(MY_WME | ME_NOINPUT)));
-#endif
-    DBUG_RETURN(0);
+    error=0;
+    cache_remove_open_tmp(cache, name_buff);
   }
-  DBUG_RETURN(1);
+  DBUG_RETURN(error);
 }
 
 
 void close_cached_file(IO_CACHE *cache)
 {
   DBUG_ENTER("close_cached_file");
-
   if (my_b_inited(cache))
   {
-    VOID(end_io_cache(cache));
+    (void) end_io_cache(cache);
     if (cache->file >= 0)
     {
-      VOID(my_close(cache->file,MYF(MY_WME)));
+      (void) my_close(cache->file,MYF(0));
 #ifdef CANT_DELETE_OPEN_FILES
-      VOID(my_delete(cache->file_name,MYF(MY_WME | ME_NOINPUT)));
+      if (cache->file_name)
+      {
+	(void) my_delete(cache->file_name,MYF(MY_WME | ME_NOINPUT));
+	my_free(cache->file_name,MYF(0));
+      }
 #endif
     }
-    if (cache->file_name)
-      (*free)(cache->file_name);		/* my_tempnam uses malloc() */
+    my_free(cache->dir,MYF(MY_ALLOW_ZERO_PTR));
+    my_free(cache->prefix,MYF(MY_ALLOW_ZERO_PTR));
   }
   DBUG_VOID_RETURN;
 }

mysys/mf_dirname.c

@@ -66,8 +66,9 @@ uint dirname_part(my_string to, const char *name)
 #define FN_DEVCHAR '\0'				/* For easier code */
 #endif
 
-void convert_dirname(my_string to)
+char *convert_dirname(my_string to)
 {
+  reg1 char *pos;
 #ifdef FN_UPPER_CASE
   caseup_str(to);
 #endif
@@ -76,7 +77,6 @@ void convert_dirname(my_string to)
 #endif
 #if FN_LIBCHAR != '/'
   {
-    reg1 my_string pos;
     pos=to-1;					/* Change from '/' */
     while ((pos=strchr(pos+1,'/')) != 0)
       *pos=FN_LIBCHAR;
@@ -84,7 +84,6 @@ void convert_dirname(my_string to)
 #endif
 #ifdef FN_C_BEFORE_DIR_2
   {
-    reg1 my_string pos;
     for (pos=to ; *pos ; pos++)
     {
       if (*pos == FN_C_BEFORE_DIR_2)
@@ -95,12 +94,13 @@ void convert_dirname(my_string to)
   }
 #else
   {					/* Append FN_LIBCHAR if not there */
-    char *end=strend(to);
-    if (end != to && (end[-1] != FN_LIBCHAR && end[-1] != FN_DEVCHAR))
+    pos=strend(to);
+    if (pos != to && (pos[-1] != FN_LIBCHAR && pos[-1] != FN_DEVCHAR))
     {
-      end[0]=FN_LIBCHAR;
-      end[1]=0;
+      *pos++=FN_LIBCHAR;
+      *pos=0;
     }
   }
 #endif
+  return pos;					/* Pointer to end of dir */
 } /* convert_dirname */

mysys/my_fopen.c

@@ -95,7 +95,7 @@ int my_fclose(FILE *fd, myf MyFlags)
   if ((uint) file < MY_NFILE && my_file_info[file].type != UNOPEN)
   {
     my_file_info[file].type = UNOPEN;
-    my_free(my_file_info[file].name, MYF(0));
+    my_free(my_file_info[file].name, MYF(MY_ALLOW_ZERO_PTR));
   }
   pthread_mutex_unlock(&THR_LOCK_open);
   DBUG_RETURN(err);
@@ -103,11 +103,9 @@ int my_fclose(FILE *fd, myf MyFlags)
 
 
 	/* Make a stream out of a file handle */
+	/* Name may be 0 */
 
-FILE *my_fdopen(File Filedes, int Flags, myf MyFlags)
-
-				/* Read | write .. */
-				/* Special flags */
+FILE *my_fdopen(File Filedes, const char *name, int Flags, myf MyFlags)
 {
   FILE *fd;
   char type[5];
@@ -125,11 +123,18 @@ FILE *my_fdopen(File Filedes, int Flags, myf MyFlags)
   else
   {
     pthread_mutex_lock(&THR_LOCK_open);
+    my_stream_opened++;
+    if (Filedes < MY_NFILE)
+    {
       if (my_file_info[Filedes].type != UNOPEN)
       {
-      my_file_info[Filedes].type = STREAM_BY_FDOPEN;
         my_file_opened--;			/* File is opened with my_open ! */
-      my_stream_opened++;
+      }
+      else
+      {
+        my_file_info[Filedes].name=  my_strdup(name,MyFlags);
+      }
+      my_file_info[Filedes].type = STREAM_BY_FDOPEN;
     }
     pthread_mutex_unlock(&THR_LOCK_open);
   }

readline/bind.c

@@ -351,7 +351,7 @@ rl_translate_keyseq (seq, array, len)
 {
   register int i, c, l, temp;
 
-  for (i = l = 0; c = seq[i]; i++)
+  for (i = l = 0; (c = seq[i]); i++)
     {
       if (c == '\\')
 	{
@@ -1028,7 +1028,7 @@ rl_parse_and_bind (string)
     {
       int passc = 0;
 
-      for (i = 1; c = string[i]; i++)
+      for (i = 1; (c = string[i]); i++)
 	{
 	  if (passc)
 	    {
@@ -1104,7 +1104,7 @@ rl_parse_and_bind (string)
     {
       int delimiter = string[i++], passc;
 
-      for (passc = 0; c = string[i]; i++)
+      for (passc = 0; (c = string[i]); i++)
 	{
 	  if (passc)
 	    {
@@ -1721,7 +1721,7 @@ rl_function_dumper (print_readably)
 
   fprintf (rl_outstream, "\n");
 
-  for (i = 0; name = names[i]; i++)
+  for (i = 0; (name = names[i]); i++)
     {
       Function *function;
       char **invokers;

readline/complete.c

@@ -1377,7 +1377,7 @@ completion_matches (text, entry_function)
   match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
   match_list[1] = (char *)NULL;
 
-  while (string = (*entry_function) (text, matches))
+  while ((string = (*entry_function) (text, matches)))
     {
       if (matches + 1 == match_list_size)
 	match_list = (char **)xrealloc
@@ -1427,7 +1427,7 @@ username_completion_function (text, state)
       setpwent ();
     }
 
-  while (entry = getpwent ())
+  while ((entry = getpwent ()))
     {
       /* Null usernames should result in all users as possible completions. */
       if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))

readline/histexpand.c

@@ -200,7 +200,7 @@ get_history_event (string, caller_index, delimiting_quote)
     }
 
   /* Only a closing `?' or a newline delimit a substring search string. */
-  for (local_index = i; c = string[i]; i++)
+  for (local_index = i; (c = string[i]); i++)
     if ((!substring_okay && (whitespace (c) || c == ':' ||
 	(history_search_delimiter_chars && member (c, history_search_delimiter_chars)) ||
 	string[i] == delimiting_quote)) ||

readline/input.c

@@ -368,7 +368,7 @@ rl_read_key ()
   else
     {
       /* If input is coming from a macro, then use that. */
-      if (c = _rl_next_macro_key ())
+      if ((c = _rl_next_macro_key ()))
 	return (c);
 
       /* If the user has an event function, then call it periodically. */

readline/search.c

@@ -174,7 +174,7 @@ noninc_search (dir, pchar)
 #define SEARCH_RETURN rl_restore_prompt (); return
 
   /* Read the search string. */
-  while (c = rl_read_key ())
+  while ((c = rl_read_key ()))
     {
       switch (c)
 	{

readline/shell.c

@@ -38,6 +38,10 @@
 #  include "ansi_stdlib.h"
 #endif /* HAVE_STDLIB_H */
 
+#if defined (HAVE_STDIO_H)
+#  include <stdio.h>
+#endif /* HAVE_STDIO_H */
+
 #if defined (HAVE_STRING_H)
 #  include <string.h>
 #else

readline/terminal.c

@@ -232,6 +232,8 @@ _rl_set_screen_size (rows, cols)
   screenchars = screenwidth * screenheight;
 }
 
+extern void _rl_redisplay_after_sigwinch();
+
 void
 rl_resize_terminal ()
 {
@@ -251,32 +253,32 @@ struct _tc_string {
    search algorithm to something smarter. */
 static struct _tc_string tc_strings[] =
 {
-  "DC", &term_DC,
-  "IC", &term_IC,
-  "ce", &term_clreol,
-  "cl", &term_clrpag,
-  "cr", &term_cr,
-  "dc", &term_dc,
-  "ei", &term_ei,
-  "ic", &term_ic,
-  "im", &term_im,
-  "kd", &term_kd,
-  "kh", &term_kh,	/* home */
-  "kH", &term_kH,	/* end */
-  "kl", &term_kl,
-  "kr", &term_kr,
-  "ku", &term_ku,
-  "ks", &term_ks,
-  "ke", &term_ke,
-  "le", &term_backspace,
-  "mm", &term_mm,
-  "mo", &term_mo,
+  {"DC", &term_DC},
+  {"IC", &term_IC},
+  {"ce", &term_clreol},
+  {"cl", &term_clrpag},
+  {"cr", &term_cr},
+  {"dc", &term_dc},
+  {"ei", &term_ei},
+  {"ic", &term_ic},
+  {"im", &term_im},
+  {"kd", &term_kd},
+  {"kh", &term_kh},	/* home */
+  {"kH", &term_kH},	/* end */
+  {"kl", &term_kl},
+  {"kr", &term_kr},
+  {"ku", &term_ku},
+  {"ks", &term_ks},
+  {"ke", &term_ke},
+  {"le", &term_backspace},
+  {"mm", &term_mm},
+  {"mo", &term_mo},
 #if defined (HACK_TERMCAP_MOTION)
-  "nd", &term_forward_char,
+  {"nd", &term_forward_char},
 #endif
-  "pc", &term_pc,
-  "up", &term_up,
-  "vb", &visible_bell,
+  {"pc", &term_pc},
+  {"up", &term_up},
+  {"vb", &visible_bell},
 };
 
 #define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))

readline/tilde.c

@@ -182,7 +182,7 @@ tilde_expand (string)
   int result_size, result_index;
 
   result_index = result_size = 0;
-  if (result = strchr (string, '~'))
+  if ((result = strchr (string, '~')))
     result = xmalloc (result_size = (strlen (string) + 16));
   else
     result = xmalloc (result_size = (strlen (string) + 1));

readline/undo.c

@@ -106,7 +106,7 @@ rl_do_undo ()
 {
   UNDO_LIST *release;
   int waiting_for_begin = 0;
-  int start, end;
+  int start = 0, end = 0;
 
 #define TRANS(i) ((i) == -1 ? rl_point : ((i) == -2 ? rl_end : (i)))
 

regex/cname.h

@@ -3,100 +3,102 @@ static struct cname {
 	char *name;
 	char code;
 } cnames[] = {
-	"NUL",	'\0',
-	"SOH",	'\001',
-	"STX",	'\002',
-	"ETX",	'\003',
-	"EOT",	'\004',
-	"ENQ",	'\005',
-	"ACK",	'\006',
-	"BEL",	'\007',
-	"alert",	'\007',
-	"BS",		'\010',
-	"backspace",	'\b',
-	"HT",		'\011',
-	"tab",		'\t',
-	"LF",		'\012',
-	"newline",	'\n',
-	"VT",		'\013',
-	"vertical-tab",	'\v',
-	"FF",		'\014',
-	"form-feed",	'\f',
-	"CR",		'\015',
-	"carriage-return",	'\r',
-	"SO",	'\016',
-	"SI",	'\017',
-	"DLE",	'\020',
-	"DC1",	'\021',
-	"DC2",	'\022',
-	"DC3",	'\023',
-	"DC4",	'\024',
-	"NAK",	'\025',
-	"SYN",	'\026',
-	"ETB",	'\027',
-	"CAN",	'\030',
-	"EM",	'\031',
-	"SUB",	'\032',
-	"ESC",	'\033',
-	"IS4",	'\034',
-	"FS",	'\034',
-	"IS3",	'\035',
-	"GS",	'\035',
-	"IS2",	'\036',
-	"RS",	'\036',
-	"IS1",	'\037',
-	"US",	'\037',
-	"space",		' ',
-	"exclamation-mark",	'!',
-	"quotation-mark",	'"',
-	"number-sign",		'#',
-	"dollar-sign",		'$',
-	"percent-sign",		'%',
-	"ampersand",		'&',
-	"apostrophe",		'\'',
-	"left-parenthesis",	'(',
-	"right-parenthesis",	')',
-	"asterisk",	'*',
-	"plus-sign",	'+',
-	"comma",	',',
-	"hyphen",	'-',
-	"hyphen-minus",	'-',
-	"period",	'.',
-	"full-stop",	'.',
-	"slash",	'/',
-	"solidus",	'/',
-	"zero",		'0',
-	"one",		'1',
-	"two",		'2',
-	"three",	'3',
-	"four",		'4',
-	"five",		'5',
-	"six",		'6',
-	"seven",	'7',
-	"eight",	'8',
-	"nine",		'9',
-	"colon",	':',
-	"semicolon",	';',
-	"less-than-sign",	'<',
-	"equals-sign",		'=',
-	"greater-than-sign",	'>',
-	"question-mark",	'?',
-	"commercial-at",	'@',
-	"left-square-bracket",	'[',
-	"backslash",		'\\',
-	"reverse-solidus",	'\\',
-	"right-square-bracket",	']',
-	"circumflex",		'^',
-	"circumflex-accent",	'^',
-	"underscore",		'_',
-	"low-line",		'_',
-	"grave-accent",		'`',
-	"left-brace",		'{',
-	"left-curly-bracket",	'{',
-	"vertical-line",	'|',
-	"right-brace",		'}',
-	"right-curly-bracket",	'}',
-	"tilde",		'~',
-	"DEL",	'\177',
-	NULL,	0,
+	{"NUL",	        '\0'},
+	{"SOH",	        '\001'},
+	{"STX",	        '\002'},
+	{"ETX",	        '\003'},
+	{"EOT",	        '\004'},
+	{"ENQ",	        '\005'},
+	{"ACK",	        '\006'},
+	{"BEL",	        '\007'},
+	{"alert",	'\007'},
+	{"BS",		'\010'},
+	{"backspace",	'\b'},
+	{"HT",		'\011'},
+	{"tab",       	'\t'},
+	{"LF",		'\012'},
+	{"newline",	'\n'},
+	{"VT",		'\013'},
+	{"vertical-tab",'\v'},
+	{"FF",		'\014'},
+	{"form-feed",	'\f'},
+	{"CR",		'\015'},
+	{"carriage-return",	'\r'},
+	{"SO",	                '\016'},
+	{"SI",	                '\017'},
+	{"DLE",	        '\020'},
+	{"DC1",	        '\021'},
+	{"DC2",	        '\022'},
+	{"DC3",	        '\023'},
+	{"DC4",	        '\024'},
+	{"NAK",	        '\025'},
+	{"SYN",	        '\026'},
+	{"ETB",	        '\027'},
+	{"CAN",	        '\030'},
+	{"EM",	        '\031'},
+	{"SUB",	        '\032'},
+	{"ESC",	        '\033'},
+	{"IS4",	        '\034'},
+	{"FS",	        '\034'},
+	{"IS3",	        '\035'},
+	{"GS",	        '\035'},
+	{"IS2",	        '\036'},
+	{"RS",	        '\036'},
+	{"IS1",	        '\037'},
+	{"US",	        '\037'},
+	{"space",	' '},
+	{"exclamation-mark",	'!'},
+	{"quotation-mark",	'"'},
+	{"number-sign",       	'#'},
+	{"dollar-sign",       	'$'},
+	{"percent-sign",	'%'},
+	{"ampersand",		'&'},
+	{"apostrophe",		'\''},
+	{"left-parenthesis",	'('},
+	{"right-parenthesis",	')'},
+	{"asterisk",	        '*'},
+	{"plus-sign",	        '+'},
+	{"comma",	        ','},
+	{"hyphen",	        '-'},
+	{"hyphen-minus",	'-'},
+	{"period",		'.'},
+	{"full-stop",		'.'},
+	{"slash",		'/'},
+	{"solidus",		'/'},
+	{"zero",		'0'},
+	{"one",			'1'},
+	{"two",			'2'},
+	{"three",		'3'},
+	{"four",		'4'},
+	{"five",		'5'},
+	{"six",			'6'},
+	{"seven",		'7'},
+	{"eight",		'8'},
+	{"nine",		'9'},
+	{"colon",		':'},
+	{"semicolon",		';'},
+	{"less-than-sign",	'<'},
+	{"equals-sign",		'='},
+	{"greater-than-sign",	'>'},
+	{"question-mark",	'?'},
+	{"commercial-at",	'@'},
+	{"left-square-bracket",	'['},
+	{"backslash",		'\\'},
+	{"reverse-solidus",	'\\'},
+	{"right-square-bracket",']'},
+	{"circumflex",		'^'},
+	{"circumflex-accent",	'^'},
+	{"underscore",		'_'},
+	{"low-line",		'_'},
+	{"grave-accent",	'`'},
+	{"left-brace",		'{'},
+	{"left-curly-bracket",	'{'},
+	{"vertical-line",	'|'},
+	{"right-brace",		'}'},
+	{"right-curly-bracket",	'}'},
+	{"tilde",		'~'},
+	{"DEL",	        	'\177'},
+ 	{NULL,			0},
 };
+
+

regex/debug.c

@@ -217,7 +217,7 @@ FILE *d;
 			fprintf(d, ">");
 			break;
 		default:
-			fprintf(d, "!%d(%d)!", OP(*s), opnd);
+			fprintf(d, "!%ld(%ld)!", OP(*s), opnd);
 			break;
 		}
 		if (!done)

regex/main.c

@@ -103,7 +103,7 @@ char *argv[];
 		len = (int)(subs[0].rm_eo - subs[0].rm_so);
 		if (subs[0].rm_so != -1) {
 			if (len != 0)
-				printf("match `%.*s'\n", len,
+				printf("match `%.*s'\n", (int)len,
 					argv[optind] + subs[0].rm_so);
 			else
 				printf("match `'@%.1s\n",

regex/regcomp.c

@@ -219,7 +219,7 @@ int stop;			/* character this ERE should end at */
 		conc = HERE();
 		while (MORE() && (c = PEEK()) != '|' && c != stop)
 			p_ere_exp(p);
-		REQUIRE(HERE() != conc, REG_EMPTY);	/* require nonempty */
+		if(REQUIRE(HERE() != conc, REG_EMPTY));	/* require nonempty */
 
 		if (!EAT('|'))
 			break;		/* NOTE BREAK OUT */
@@ -266,7 +266,7 @@ register struct parse *p;
 	pos = HERE();
 	switch (c) {
 	case '(':
-		REQUIRE(MORE(), REG_EPAREN);
+		if(REQUIRE(MORE(), REG_EPAREN));
 		p->g->nsub++;
 		subno = (sopno) p->g->nsub;
 		if (subno < NPAREN)
@@ -279,7 +279,7 @@ register struct parse *p;
 			assert(p->pend[subno] != 0);
 		}
 		EMIT(ORPAREN, subno);
-		MUSTEAT(')', REG_EPAREN);
+		if(MUSTEAT(')', REG_EPAREN));
 		break;
 #ifndef POSIX_MISTAKE
 	case ')':		/* happens only if no current unmatched ( */
@@ -322,12 +322,12 @@ register struct parse *p;
 		p_bracket(p);
 		break;
 	case '\\':
-		REQUIRE(MORE(), REG_EESCAPE);
+		if(REQUIRE(MORE(), REG_EESCAPE));
 		c = GETNEXT();
 		ordinary(p, c);
 		break;
 	case '{':		/* okay as ordinary except if digit follows */
-		REQUIRE(!MORE() || !isdigit(PEEK()), REG_BADRPT);
+		if(REQUIRE(!MORE() || !isdigit(PEEK()), REG_BADRPT));
 		/* FALLTHROUGH */
 	default:
 		ordinary(p, c);
@@ -343,7 +343,7 @@ register struct parse *p;
 		return;		/* no repetition, we're done */
 	NEXT();
 
-	REQUIRE(!wascaret, REG_BADRPT);
+	if(REQUIRE(!wascaret, REG_BADRPT));
 	switch (c) {
 	case '*':	/* implemented as +? */
 		/* this case does not require the (y|) trick, noKLUDGE */
@@ -370,7 +370,7 @@ register struct parse *p;
 		if (EAT(',')) {
 			if (isdigit(PEEK())) {
 				count2 = p_count(p);
-				REQUIRE(count <= count2, REG_BADBR);
+				if(REQUIRE(count <= count2, REG_BADBR));
 			} else		/* single number with comma */
 				count2 = RE_INFINITY;
 		} else		/* just a single number */
@@ -379,7 +379,7 @@ register struct parse *p;
 		if (!EAT('}')) {	/* error heuristics */
 			while (MORE() && PEEK() != '}')
 				NEXT();
-			REQUIRE(MORE(), REG_EBRACE);
+			if(REQUIRE(MORE(), REG_EBRACE));
 			SETERROR(REG_BADBR);
 		}
 		break;
@@ -402,7 +402,7 @@ static void
 p_str(p)
 register struct parse *p;
 {
-	REQUIRE(MORE(), REG_EMPTY);
+	if(REQUIRE(MORE(), REG_EMPTY));
 	while (MORE())
 		ordinary(p, GETNEXT());
 }
@@ -445,7 +445,7 @@ register int end2;		/* second terminating character */
 		p->g->neol++;
 	}
 
-	REQUIRE(HERE() != start, REG_EMPTY);	/* require nonempty */
+	if(REQUIRE(HERE() != start, REG_EMPTY));	/* require nonempty */
 }
 
 /*
@@ -470,7 +470,7 @@ int starordinary;		/* is a leading * an ordinary character? */
 	assert(MORE());		/* caller should have ensured this */
 	c = GETNEXT();
 	if (c == '\\') {
-		REQUIRE(MORE(), REG_EESCAPE);
+		if(REQUIRE(MORE(), REG_EESCAPE));
 		c = BACKSL | (unsigned char)GETNEXT();
 	}
 	switch (c) {
@@ -500,7 +500,7 @@ int starordinary;		/* is a leading * an ordinary character? */
 			assert(p->pend[subno] != 0);
 		}
 		EMIT(ORPAREN, subno);
-		REQUIRE(EATTWO('\\', ')'), REG_EPAREN);
+		if(REQUIRE(EATTWO('\\', ')'), REG_EPAREN));
 		break;
 	case BACKSL|')':	/* should not get here -- must be user */
 	case BACKSL|'}':
@@ -530,7 +530,7 @@ int starordinary;		/* is a leading * an ordinary character? */
 		p->g->backrefs = 1;
 		break;
 	case '*':
-		REQUIRE(starordinary, REG_BADRPT);
+		if(REQUIRE(starordinary, REG_BADRPT));
 		/* FALLTHROUGH */
 	default:
 		ordinary(p, c &~ BACKSL);
@@ -548,7 +548,7 @@ int starordinary;		/* is a leading * an ordinary character? */
 		if (EAT(',')) {
 			if (MORE() && isdigit(PEEK())) {
 				count2 = p_count(p);
-				REQUIRE(count <= count2, REG_BADBR);
+				if(REQUIRE(count <= count2, REG_BADBR));
 			} else		/* single number with comma */
 				count2 = RE_INFINITY;
 		} else		/* just a single number */
@@ -557,7 +557,7 @@ int starordinary;		/* is a leading * an ordinary character? */
 		if (!EATTWO('\\', '}')) {	/* error heuristics */
 			while (MORE() && !SEETWO('\\', '}'))
 				NEXT();
-			REQUIRE(MORE(), REG_EBRACE);
+			if(REQUIRE(MORE(), REG_EBRACE));
 			SETERROR(REG_BADBR);
 		}
 	} else if (c == (unsigned char)'$')	/* $ (but not \$) ends it */
@@ -582,7 +582,7 @@ register struct parse *p;
 		ndigits++;
 	}
 
-	REQUIRE(ndigits > 0 && count <= DUPMAX, REG_BADBR);
+	if(REQUIRE(ndigits > 0 && count <= DUPMAX, REG_BADBR));
 	return(count);
 }
 
@@ -622,7 +622,7 @@ register struct parse *p;
 		p_b_term(p, cs);
 	if (EAT('-'))
 		CHadd(cs, '-');
-	MUSTEAT(']', REG_EBRACK);
+	if(MUSTEAT(']', REG_EBRACK));
 
 	if (p->error != 0)	/* don't mess things up further */
 		return;
@@ -693,21 +693,21 @@ register cset *cs;
 	switch (c) {
 	case ':':		/* character class */
 		NEXT2();
-		REQUIRE(MORE(), REG_EBRACK);
+		if(REQUIRE(MORE(), REG_EBRACK));
 		c = PEEK();
-		REQUIRE(c != '-' && c != ']', REG_ECTYPE);
+		if(REQUIRE(c != '-' && c != ']', REG_ECTYPE));
 		p_b_cclass(p, cs);
-		REQUIRE(MORE(), REG_EBRACK);
-		REQUIRE(EATTWO(':', ']'), REG_ECTYPE);
+		if(REQUIRE(MORE(), REG_EBRACK));
+		if(REQUIRE(EATTWO(':', ']'), REG_ECTYPE));
 		break;
 	case '=':		/* equivalence class */
 		NEXT2();
-		REQUIRE(MORE(), REG_EBRACK);
+		if(REQUIRE(MORE(), REG_EBRACK));
 		c = PEEK();
-		REQUIRE(c != '-' && c != ']', REG_ECOLLATE);
+		if(REQUIRE(c != '-' && c != ']', REG_ECOLLATE));
 		p_b_eclass(p, cs);
-		REQUIRE(MORE(), REG_EBRACK);
-		REQUIRE(EATTWO('=', ']'), REG_ECOLLATE);
+		if(REQUIRE(MORE(), REG_EBRACK));
+		if(REQUIRE(EATTWO('=', ']'), REG_ECOLLATE));
 		break;
 	default:		/* symbol, ordinary character, or range */
 /* xxx revision needed for multichar stuff */
@@ -722,7 +722,7 @@ register cset *cs;
 		} else
 			finish = start;
 /* xxx what about signed chars here... */
-		REQUIRE(start <= finish, REG_ERANGE);
+		if(REQUIRE(start <= finish, REG_ERANGE));
 		for (i = start; i <= finish; i++)
 			CHadd(cs, i);
 		break;
@@ -790,13 +790,13 @@ register struct parse *p;
 {
 	register char value;
 
-	REQUIRE(MORE(), REG_EBRACK);
+	if(REQUIRE(MORE(), REG_EBRACK));
 	if (!EATTWO('[', '.'))
 		return(GETNEXT());
 
 	/* collating symbol */
 	value = p_b_coll_elem(p, '.');
-	REQUIRE(EATTWO('.', ']'), REG_ECOLLATE);
+	if(REQUIRE(EATTWO('.', ']'), REG_ECOLLATE));
 	return(value);
 }
 

regex/regerror.c

@@ -31,23 +31,23 @@ static struct rerr {
 	char *name;
 	char *explain;
 } rerrs[] = {
-	REG_NOMATCH,	"REG_NOMATCH",	"regexec() failed to match",
-	REG_BADPAT,	"REG_BADPAT",	"invalid regular expression",
-	REG_ECOLLATE,	"REG_ECOLLATE",	"invalid collating element",
-	REG_ECTYPE,	"REG_ECTYPE",	"invalid character class",
-	REG_EESCAPE,	"REG_EESCAPE",	"trailing backslash (\\)",
-	REG_ESUBREG,	"REG_ESUBREG",	"invalid backreference number",
-	REG_EBRACK,	"REG_EBRACK",	"brackets ([ ]) not balanced",
-	REG_EPAREN,	"REG_EPAREN",	"parentheses not balanced",
-	REG_EBRACE,	"REG_EBRACE",	"braces not balanced",
-	REG_BADBR,	"REG_BADBR",	"invalid repetition count(s)",
-	REG_ERANGE,	"REG_ERANGE",	"invalid character range",
-	REG_ESPACE,	"REG_ESPACE",	"out of memory",
-	REG_BADRPT,	"REG_BADRPT",	"repetition-operator operand invalid",
-	REG_EMPTY,	"REG_EMPTY",	"empty (sub)expression",
-	REG_ASSERT,	"REG_ASSERT",	"\"can't happen\" -- you found a bug",
-	REG_INVARG,	"REG_INVARG",	"invalid argument to regex routine",
-	0,		"",		"*** unknown regexp error code ***",
+	{REG_NOMATCH,	"REG_NOMATCH",	"regexec() failed to match"},
+	{REG_BADPAT,	"REG_BADPAT",	"invalid regular expression"},
+	{REG_ECOLLATE,	"REG_ECOLLATE",	"invalid collating element"},
+	{REG_ECTYPE,	"REG_ECTYPE",	"invalid character class"},
+	{REG_EESCAPE,	"REG_EESCAPE",	"trailing backslash (\\)"},
+	{REG_ESUBREG,	"REG_ESUBREG",	"invalid backreference number"},
+	{REG_EBRACK,	"REG_EBRACK",	"brackets ([ ]) not balanced"},
+	{REG_EPAREN,	"REG_EPAREN",	"parentheses not balanced"},
+	{REG_EBRACE,	"REG_EBRACE",	"braces not balanced"},
+	{REG_BADBR,	"REG_BADBR",	"invalid repetition count(s)"},
+	{REG_ERANGE,	"REG_ERANGE",	"invalid character range"},
+	{REG_ESPACE,	"REG_ESPACE",	"out of memory"},
+	{REG_BADRPT,	"REG_BADRPT",	"repetition-operator operand invalid"},
+	{REG_EMPTY,	"REG_EMPTY",	"empty (sub)expression"},
+	{REG_ASSERT,	"REG_ASSERT",	"\"can't happen\" -- you found a bug"},
+	{REG_INVARG,	"REG_INVARG",	"invalid argument to regex routine"},
+	{0,		"",		"*** unknown regexp error code ***"},
 };
 
 /*

sql/filesort.cc

@@ -861,7 +861,6 @@ static int merge_index(SORTPARAM *param, uchar **sort_keys,
 		    buffpek+maxbuffer,1))
     DBUG_RETURN(1);				/* purecov: inspected */
   DBUG_RETURN(0);
-  /* Was: DBUG_RETURN(my_b_write(outfile,last_ref,param->ref_length)); */
 } /* merge_index */
 
 

sql/ha_myisam.cc

@@ -31,10 +31,11 @@
 #endif
 
 ulong myisam_sort_buffer_size;
-myisam_recover_types myisam_recover_type= HA_RECOVER_NONE;
+ulong myisam_recover_options= HA_RECOVER_NONE;
 
+/* bits in myisam_recover_options */
 const char *myisam_recover_names[] =
-{ "NO","DEFAULT", "BACKUP"};
+{ "DEFAULT", "BACKUP", "FORCE"};
 TYPELIB myisam_recover_typelib= {array_elements(myisam_recover_names),"",
 				 myisam_recover_names};
 
@@ -152,7 +153,7 @@ int ha_myisam::dump(THD* thd, int fd)
   my_off_t bytes_to_read = share->state.state.data_file_length;
   int data_fd = file->dfile;
   byte * buf = (byte*) my_malloc(blocksize, MYF(MY_WME));
-  if(!buf)
+  if (!buf)
     return ENOMEM;
 
   int error = 0;
@@ -342,13 +343,13 @@ int ha_myisam::restore(THD* thd, HA_CHECK_OPT *check_opt)
   char* backup_dir = thd->lex.backup_dir;
   char src_path[FN_REFLEN], dst_path[FN_REFLEN];
   char* table_name = table->real_name;
-  if(!fn_format(src_path, table_name, backup_dir, MI_NAME_DEXT, 4 + 64))
+  if (!fn_format(src_path, table_name, backup_dir, MI_NAME_DEXT, 4 + 64))
     return HA_ADMIN_INVALID;
 
   int error = 0;
   const char* errmsg = "";
   
-  if(my_copy(src_path, fn_format(dst_path, table->path, "",
+  if (my_copy(src_path, fn_format(dst_path, table->path, "",
 				  MI_NAME_DEXT, 4), MYF(MY_WME)))
   {
     error = HA_ADMIN_FAILED;
@@ -373,24 +374,25 @@ int ha_myisam::restore(THD* thd, HA_CHECK_OPT *check_opt)
   }
 }
 
+
 int ha_myisam::backup(THD* thd, HA_CHECK_OPT *check_opt)
 {
   char* backup_dir = thd->lex.backup_dir;
   char src_path[FN_REFLEN], dst_path[FN_REFLEN];
   char* table_name = table->real_name;
-  if(!fn_format(dst_path, table_name, backup_dir, reg_ext, 4 + 64))
+  if (!fn_format(dst_path, table_name, backup_dir, reg_ext, 4 + 64))
     return HA_ADMIN_INVALID;
-  if(my_copy(fn_format(src_path, table->path,"", reg_ext, 4),
+  if (my_copy(fn_format(src_path, table->path,"", reg_ext, 4),
 	     dst_path,
 	     MYF(MY_WME | MY_HOLD_ORIGINAL_MODES )))
   {
     return HA_ADMIN_FAILED;
   }
 
-  if(!fn_format(dst_path, table_name, backup_dir, MI_NAME_DEXT, 4 + 64))
+  if (!fn_format(dst_path, table_name, backup_dir, MI_NAME_DEXT, 4 + 64))
     return HA_ADMIN_INVALID;
 
-  if(my_copy(fn_format(src_path, table->path,"", MI_NAME_DEXT, 4),
+  if (my_copy(fn_format(src_path, table->path,"", MI_NAME_DEXT, 4),
 	      dst_path,
 	      MYF(MY_WME | MY_HOLD_ORIGINAL_MODES ))  )
     return HA_ADMIN_FAILED;
@@ -572,6 +574,33 @@ bool ha_myisam::activate_all_index(THD *thd)
   DBUG_RETURN(error);
 }
 
+
+bool ha_myisam::check_and_repair(THD *thd, const char *name)
+{
+  int error=0;
+  HA_CHECK_OPT check_opt;
+  DBUG_ENTER("ha_myisam::auto_check_and_repair");
+
+  if (open(name, O_RDWR, HA_OPEN_WAIT_IF_LOCKED))
+    DBUG_RETURN(1);
+
+  check_opt.init();
+  check_opt.flags=T_MEDIUM;
+  if (mi_is_crashed(file) || check(thd, &check_opt))
+  {
+    check_opt.flags=(((myisam_recover_options & HA_RECOVER_BACKUP) ? 
+		      T_BACKUP_DATA : 0) |
+		     (!(myisam_recover_options & HA_RECOVER_FORCE) ? 
+		      T_SAFE_REPAIR : 0));
+    if (repair(thd, &check_opt))
+      error=1;
+  }
+  if (close())
+    error=1;
+  DBUG_RETURN(error);
+}
+
+
 int ha_myisam::update_row(const byte * old_data, byte * new_data)
 {
   statistic_increment(ha_update_count,&LOCK_status);

sql/ha_myisam.h

@@ -24,12 +24,14 @@
 #include <myisam.h>
 #include <ft_global.h>
 
-enum myisam_recover_types { HA_RECOVER_NONE, HA_RECOVER_DEFAULT,
-			    HA_RECOVER_BACKUP};
+#define HA_RECOVER_NONE		0	// No automatic recover
+#define HA_RECOVER_DEFAULT	1	// Automatic recover active
+#define HA_RECOVER_BACKUP	2	// Make a backupfile on recover
+#define HA_RECOVER_FORCE	4	// Recover even if we loose rows
 
 extern ulong myisam_sort_buffer_size;
 extern TYPELIB myisam_recover_typelib;
-extern myisam_recover_types myisam_recover_type;
+extern ulong myisam_recover_options;
 
 class ha_myisam: public handler
 {
@@ -39,11 +41,12 @@ class ha_myisam: public handler
 
  public:
   ha_myisam(TABLE *table): handler(table), file(0),
-    int_option_flag(HA_READ_NEXT+HA_READ_PREV+HA_READ_RND_SAME+
-		    HA_KEYPOS_TO_RNDPOS+ HA_READ_ORDER+ HA_LASTKEY_ORDER+
-		    HA_HAVE_KEY_READ_ONLY+ HA_READ_NOT_EXACT_KEY+
-		    HA_LONGLONG_KEYS+ HA_NULL_KEY +
-		    HA_DUPP_POS + HA_BLOB_KEY + HA_AUTO_PART_KEY)
+    int_option_flag(HA_READ_NEXT | HA_READ_PREV | HA_READ_RND_SAME |
+		    HA_KEYPOS_TO_RNDPOS | HA_READ_ORDER |  HA_LASTKEY_ORDER |
+		    HA_HAVE_KEY_READ_ONLY | HA_READ_NOT_EXACT_KEY |
+		    HA_LONGLONG_KEYS |  HA_NULL_KEY |
+		    HA_DUPP_POS | HA_BLOB_KEY | HA_AUTO_PART_KEY |
+		    HA_CHECK_AND_REPAIR)
   {}
   ~ha_myisam() {}
   const char *table_type() const { return "MyISAM"; }
@@ -100,6 +103,7 @@ class ha_myisam: public handler
   int check(THD* thd, HA_CHECK_OPT* check_opt);
   int analyze(THD* thd,HA_CHECK_OPT* check_opt);
   int repair(THD* thd, HA_CHECK_OPT* check_opt);
+  bool check_and_repair(THD *thd, const char *name);
   int optimize(THD* thd, HA_CHECK_OPT* check_opt);
   int restore(THD* thd, HA_CHECK_OPT* check_opt);
   int backup(THD* thd, HA_CHECK_OPT* check_opt);

sql/handler.cc

@@ -594,7 +594,7 @@ int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
   TABLE table;
   DBUG_ENTER("ha_create_table");
 
-  if (openfrm(name,"",0,(uint) READ_ALL,&table))
+  if (openfrm(name,"",0,(uint) READ_ALL, 0, &table))
     DBUG_RETURN(1);
   if (update_create_info)
   {

sql/handler.h

@@ -66,6 +66,7 @@
 #define HA_NO_WRITE_DELAYED	(HA_NOT_EXACT_COUNT*2)
 #define HA_PRIMARY_KEY_IN_READ_INDEX (HA_NO_WRITE_DELAYED*2)
 #define HA_DROP_BEFORE_CREATE	(HA_PRIMARY_KEY_IN_READ_INDEX*2)
+#define HA_CHECK_AND_REPAIR	(HA_DROP_BEFORE_CREATE*2)
 
 	/* Parameters for open() (in register form->filestat) */
 	/* HA_GET_INFO does a implicit HA_ABORT_IF_LOCKED */
@@ -248,6 +249,7 @@ class handler :public Sql_alloc
   virtual void update_create_info(HA_CREATE_INFO *create_info) {}
   virtual int check(THD* thd,   HA_CHECK_OPT* check_opt );
   virtual int repair(THD* thd,  HA_CHECK_OPT* check_opt);
+  virtual bool check_and_repair(THD *thd, const char *name) {return 1;}
   virtual int optimize(THD* thd,HA_CHECK_OPT* check_opt);
   virtual int analyze(THD* thd, HA_CHECK_OPT* check_opt);
   virtual int backup(THD* thd, HA_CHECK_OPT* check_opt);

sql/key.cc

@@ -243,7 +243,10 @@ void key_unpack(String *to,TABLE *table,uint idx)
 }
 
 
-/* Return 1 if any field in a list is part of key */
+/*
+  Return 1 if any field in a list is part of key or the key uses a field
+  that is automaticly updated (like a timestamp)
+*/
 
 bool check_if_key_used(TABLE *table, uint idx, List<Item> &fields)
 {
@@ -255,6 +258,10 @@ bool check_if_key_used(TABLE *table, uint idx, List<Item> &fields)
        key_part++)
   {
     Item_field *field;
+    
+    if (key_part->field == table->timestamp_field)
+      return 1;					// Can't be used for update
+
     f.rewind();
     while ((field=(Item_field*) f++))
     {

sql/mysql_priv.h

@@ -531,7 +531,7 @@ int rea_create_table(my_string file_name,HA_CREATE_INFO *create_info,
 int format_number(uint inputflag,uint max_length,my_string pos,uint length,
 		  my_string *errpos);
 int openfrm(const char *name,const char *alias,uint filestat,uint prgflag,
-	    TABLE *outparam);
+	    uint ha_open_flags, TABLE *outparam);
 int closefrm(TABLE *table);
 db_type get_table_type(const char *name);
 int read_string(File file, gptr *to, uint length);

sql/mysqld.cc

@@ -282,7 +282,7 @@ extern pthread_handler_decl(handle_slave,arg);
 #ifdef SET_RLIMIT_NOFILE
 static uint set_maximum_open_files(uint max_file_limit);
 #endif
-
+static ulong find_bit_type(const char *x, TYPELIB *bit_lib);
 
 /****************************************************************************
 ** Code to end mysqld
@@ -1064,6 +1064,7 @@ static void init_signals(void)
   sigaddset(&set,SIGTERM);
   sigaddset(&set,SIGHUP);
   signal(SIGTERM,SIG_DFL);			// If it's blocked by parent
+  signal(SIGHUP,SIG_DFL);			// If it's blocked by parent
 #ifdef SIGTSTP
   sigaddset(&set,SIGTSTP);
 #endif
@@ -2568,6 +2569,8 @@ static void usage(void)
 			Log slow queries to this log file.  Defaults logging\n\
                         to hostname-slow.log\n\
   --pid-file=path	Pid file used by safe_mysqld\n\
+  --myisam-recover[=option[,option...]] where options is one of DEAULT,\n\
+			BACKUP or FORCE.\n\
   --memlock		Lock mysqld in memory\n\
   -n, --new		Use very new possible 'unsafe' functions\n\
   -o, --old-protocol	Use the old (3.20) protocol\n\
@@ -2856,13 +2859,13 @@ static void get_options(int argc,char **argv)
       default_table_type=DB_TYPE_ISAM;
       myisam_delay_key_write=0;
       myisam_concurrent_insert=0;
-      myisam_recover_type= HA_RECOVER_NONE;
+      myisam_recover_options= 0;
       break;
     case (int) OPT_SAFE:
       opt_specialflag|= SPECIAL_SAFE_MODE;
       myisam_delay_key_write=0;
       myisam_concurrent_insert=0;
-      myisam_recover_type= HA_RECOVER_NONE;	// For now
+      myisam_recover_options= HA_RECOVER_NONE;	// To be changed
       break;
     case (int) OPT_SKIP_CONCURRENT_INSERT:
       myisam_concurrent_insert=0;
@@ -3026,13 +3029,14 @@ static void get_options(int argc,char **argv)
 #endif
     case OPT_MYISAM_RECOVER:
     {
-      int type;
-      if ((type=find_type(optarg, &myisam_recover_typelib, 2)) <= 0)
+      if (!optarg || !optarg[0])
+	myisam_recover_options=HA_RECOVER_DEFAULT;
+      else if ((myisam_recover_options=
+		find_bit_type(optarg, &myisam_recover_typelib)) == ~(ulong) 0)
       {
-	fprintf(stderr,"Unknown option to myisam-recover: %s\n",optarg);
+	fprintf(stderr, "Unknown option to myisam-recover: %s\n",optarg);
 	exit(1);
       }
-      myisam_recover_type=(myisam_recover_types) (type-1);
       break;
     }
     case OPT_MASTER_HOST:
@@ -3568,6 +3572,64 @@ static uint set_maximum_open_files(uint max_file_limit)
 #endif
 
 
+	/*
+	  Return a bitfield from a string of substrings separated by ','
+	  returns ~(ulong) 0 on error.
+	*/
+
+static ulong find_bit_type(const char *x, TYPELIB *bit_lib)
+{
+  bool found_end;
+  int  found_count;
+  const char *end,*i,*j;
+  const char **array, *pos;
+  ulong found,found_int,bit;
+  DBUG_ENTER("find_bit_type");
+  DBUG_PRINT("enter",("x: '%s'",x));
+
+  found=0;
+  found_end= 0;
+  pos=(my_string) x;
+  do
+  {
+    if (!*(end=strcend(pos,',')))		/* Let end point at fieldend */
+    {
+      while (end > pos && end[-1] == ' ')
+	end--;					/* Skipp end-space */
+      found_end=1;
+    }
+    found_int=0; found_count=0;
+    for (array=bit_lib->type_names, bit=1 ; (i= *array++) ; bit<<=1)
+    {
+      j=pos;
+      while (j != end)
+      {
+	if (toupper(*i++) != toupper(*j++))
+	  goto skipp;
+      }
+      found_int=bit;
+      if (! *i)
+      {
+	found_count=1;
+	break;
+      }
+      else if (j != pos)			// Half field found
+      {
+	found_count++;				// Could be one of two values
+      }
+skipp: ;
+    }
+    if (found_count != 1)
+      DBUG_RETURN(~(ulong) 0);				// No unique value
+    found|=found_int;
+    pos=end+1;
+  } while (! found_end);
+
+  DBUG_PRINT("exit",("bit-field: %ld",(ulong) found));
+  DBUG_RETURN(found);
+} /* find_bit_type */
+
+
 /*****************************************************************************
 ** Instantiate templates
 *****************************************************************************/

sql/sql_base.cc

@@ -675,7 +675,7 @@ void close_thread_tables(THD *thd, bool locked)
   }
   thd->open_tables=0;
   /* Free tables to hold down open files */
-  while (open_cache.records >= table_cache_size && unused_tables)
+  while (open_cache.records > table_cache_size && unused_tables)
     VOID(hash_delete(&open_cache,(byte*) unused_tables)); /* purecov: tested */
   check_unused();
   if (found_old_table)
@@ -987,7 +987,7 @@ TABLE *open_table(THD *thd,const char *db,const char *table_name,
   else
   {
     /* Free cache if too big */
-    while (open_cache.records >= table_cache_size && unused_tables)
+    while (open_cache.records > table_cache_size && unused_tables)
       VOID(hash_delete(&open_cache,(byte*) unused_tables)); /* purecov: tested */
 
     /* make a new table */
@@ -1410,6 +1410,7 @@ static int open_unireg_entry(TABLE *entry,const char *db,const char *name,
 	      (uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE | HA_GET_INDEX |
 		      HA_TRY_READ_ONLY),
 	      READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
+	      ha_open_options,
 	      entry))
   {
     DBUG_RETURN(1);
@@ -1575,6 +1576,7 @@ TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
 	      (uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE | HA_GET_INDEX |
 		      HA_TRY_READ_ONLY),
 	      READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
+	      ha_open_options,
 	      tmp_table))
   {
     DBUG_RETURN(0);
@@ -1859,6 +1861,7 @@ int setup_fields(THD *thd, TABLE_LIST *tables, List<Item> &fields,
 	DBUG_RETURN(-1); /* purecov: inspected */
       if (item->with_sum_func && item->type() != Item::SUM_FUNC_ITEM)
 	item->split_sum_func(*sum_func_list);
+      thd->used_tables|=item->used_tables();
     }
   }
   DBUG_RETURN(test(thd->fatal_error));

sql/sql_class.cc

@@ -88,6 +88,7 @@ THD::THD()
   open_tables=temporary_tables=0;
   tmp_table=0;
   lock=locked_tables=0;
+  used_tables=0;
   cuted_fields=0L;
   options=thd_startup_options;
   update_lock_default= low_priority_updates ? TL_WRITE_LOW_PRIORITY : TL_WRITE;

sql/sql_class.h

@@ -263,6 +263,7 @@ class THD :public ilink {
   ulonglong  next_insert_id,last_insert_id,current_insert_id;
   ha_rows select_limit,offset_limit,default_select_limit,cuted_fields,
           max_join_size,sent_row_count;
+  table_map	used_tables;
   ulong query_id,version, inactive_timeout,options,thread_id;
   long  dbug_thread_id;
   pthread_t  real_id;

sql/sql_insert.cc

@@ -140,6 +140,7 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
   if (!table)
     DBUG_RETURN(-1);
   thd->proc_info="init";
+  thd->used_tables=0;
   save_time_stamp=table->time_stamp;
   values= its++;
   if (check_insert_fields(thd,table,fields,*values,1) ||
@@ -200,6 +201,9 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
     }
     else
     {
+      if (thd->used_tables)			// Column used in values()
+	restore_record(table,2);		// Get empty record
+      else
 	table->record[0][0]=table->record[2][0]; // Fix delete marker
       if (fill_record(table->field,*values))
       {
@@ -1166,12 +1170,7 @@ select_insert::prepare(List<Item> &values)
   if (check_insert_fields(thd,table,*fields,values,1))
     DBUG_RETURN(1);
 
-  if (fields->elements)
-  {
   restore_record(table,2);			// Get empty record
-  }
-  else
-    table->record[0][0]=table->record[2][0];	// Fix delete marker
   table->next_number_field=table->found_next_number_field;
   thd->count_cuted_fields=1;			/* calc cuted fields */
   thd->cuted_fields=0;

sql/table.cc

@@ -40,7 +40,7 @@ static byte* get_field_name(Field *buff,uint *length,
 	/* Open a .frm file */
 
 int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
-	    TABLE *outparam)
+	    uint ha_open_flags, TABLE *outparam)
 {
   reg1 uint i;
   reg2 uchar *strpos;
@@ -216,12 +216,12 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
 	 ha_open(index_file,
 		 (db_stat & HA_READ_ONLY ? O_RDONLY : O_RDWR),
 		 (db_stat & HA_OPEN_TEMPORARY ? HA_OPEN_TMP_TABLE :
-		  db_stat & HA_WAIT_IF_LOCKED ||
-		  specialflag & SPECIAL_WAIT_IF_LOCKED ?
+		  (db_stat & HA_WAIT_IF_LOCKED ||
+		   specialflag & SPECIAL_WAIT_IF_LOCKED) ?
 		  HA_OPEN_WAIT_IF_LOCKED :
 		  (db_stat & (HA_ABORT_IF_LOCKED | HA_GET_INFO)) ?
 		  HA_OPEN_ABORT_IF_LOCKED :
-		  HA_OPEN_IGNORE_IF_LOCKED) | ha_open_options)))
+		  HA_OPEN_IGNORE_IF_LOCKED) | ha_open_flags)))
       goto err_not_open; /* purecov: inspected */
   }
   outparam->db_low_byte_first=outparam->file->low_byte_first();