Merge work:/home/bk/mysql-4.0 into hundin.mysql.fi:/my/bk/mysql-4.0

Docs/manual.texi:
  Auto merged

BitKeeper/etc/logging_ok

@@ -6,6 +6,7 @@ Sinisa@sinisa.nasamreza.org
 ahlentz@co3064164-a.rochd1.qld.optusnet.com.au
 arjen@co3064164-a.bitbike.com
 arjen@fred.bitbike.com
+arjen@george.bitbike.com
 bell@sanja.is.com.ua
 davida@isil.mysql.com
 heikki@donna.mysql.fi
@@ -20,6 +21,7 @@ jcole@sarvik.tfr.cafe.ee
 jcole@tetra.spaceapes.com
 jorge@linux.jorge.mysql.com
 kaj@work.mysql.com
+lenz@kallisto.mysql.com
 miguel@hegel.local
 miguel@light.local
 monty@bitch.mysql.fi
@@ -51,5 +53,3 @@ tonu@x3.internalnet
 venu@work.mysql.com
 zak@balfor.local
 zak@linux.local
-arjen@george.bitbike.com
-lenz@kallisto.mysql.com

Docs/glibc-2.2.5.patch

@@ -1,73 +1,183 @@
-diff -Nur --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet ../glibc-2.2.5/linuxthreads/internals.h ./linuxthreads/internals.h
+Only in glibc-2.2.4-new: bits
---- ../glibc-2.2.5/linuxthreads/internals.h	Thu Nov 29 00:44:16 2001
+Only in glibc-2.2.4-new: config.cache
-+++ ./linuxthreads/internals.h	Fri Feb 22 21:18:09 2002
+Only in glibc-2.2.4-new: config.h
-@@ -343,7 +343,7 @@
+Only in glibc-2.2.4-new: config.log
-    THREAD_SELF implementation is used, this must be a power of two and
+Only in glibc-2.2.4-new: config.make
-    a multiple of PAGE_SIZE.  */
+Only in glibc-2.2.4-new: config.status
- #ifndef STACK_SIZE
+Only in glibc-2.2.4-new: glibcbug
--#define STACK_SIZE  (2 * 1024 * 1024)
+Only in glibc-2.2.4-new/iconv: strtab.o
-+#define STACK_SIZE  (128 * 1024)
+diff -r -c glibc-2.2.4/linuxthreads/internals.h glibc-2.2.4-new/linuxthreads/internals.h
- #endif
+*** glibc-2.2.4/linuxthreads/internals.h	Mon Jul 23 20:54:13 2001
- 
+--- glibc-2.2.4-new/linuxthreads/internals.h	Tue Apr 16 15:08:03 2002
- /* The initial size of the thread stack.  Must be a multiple of PAGE_SIZE.  */
+***************
-diff -Nur --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet ../glibc-2.2.5/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h ./linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h
+*** 339,345 ****
---- ../glibc-2.2.5/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h	Thu Jun  8 13:49:49 2000
+     THREAD_SELF implementation is used, this must be a power of two and
-+++ ./linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h	Fri Feb 22 21:18:09 2002
+     a multiple of PAGE_SIZE.  */
-@@ -64,7 +64,7 @@
+  #ifndef STACK_SIZE
- /* The number of threads per process.  */
+! #define STACK_SIZE  (2 * 1024 * 1024)
- #define _POSIX_THREAD_THREADS_MAX	64
+  #endif
- /* This is the value this implementation supports.  */
+  
--#define PTHREAD_THREADS_MAX	1024
+  /* The initial size of the thread stack.  Must be a multiple of PAGE_SIZE.  */
-+#define PTHREAD_THREADS_MAX	4096
+--- 339,345 ----
- 
+     THREAD_SELF implementation is used, this must be a power of two and
- /* Maximum amount by which a process can descrease its asynchronous I/O
+     a multiple of PAGE_SIZE.  */
-    priority level.  */
+  #ifndef STACK_SIZE
-diff -Nur --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet ../glibc-2.2.5/nss/nsswitch.c ./nss/nsswitch.c
+! #define STACK_SIZE  (128 * 1024)
---- ../glibc-2.2.5/nss/nsswitch.c	Tue Jul 17 02:21:36 2001
+  #endif
-+++ ./nss/nsswitch.c	Fri Feb 22 21:18:09 2002
+  
-@@ -515,8 +515,16 @@
+  /* The initial size of the thread stack.  Must be a multiple of PAGE_SIZE.  */
- 					     + (line - name + 1));
+Only in glibc-2.2.4-new/linuxthreads: internals.h.rej
-       if (new_service == NULL)
+diff -r -c glibc-2.2.4/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h glibc-2.2.4-new/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h
- 	return result;
+*** glibc-2.2.4/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h	Fri Jun  9 22:17:35 2000
--
+--- glibc-2.2.4-new/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h	Tue Apr 16 15:10:38 2002
-+#ifdef DO_STATIC_NSS
+***************
-+      if (strncmp(name,"files",5) == 0 ||
+*** 64,70 ****
-+	  strncmp(name,"dns",3) == 0)
+  /* The number of threads per process.  */
-+#endif      
+  #define _POSIX_THREAD_THREADS_MAX	64
-       *((char *) __mempcpy (new_service->name, name, line - name)) = '\0';
+  /* This is the value this implementation supports.  */
-+#ifdef DO_STATIC_NSS
+! #define PTHREAD_THREADS_MAX	1024
-+      else
+  
-+        *((char *) __mempcpy (new_service->name, "files", 5)) = '\0';
+  /* Maximum amount by which a process can descrease its asynchronous I/O
-+#endif      
+     priority level.  */
-+	
+--- 64,70 ----
- 
+  /* The number of threads per process.  */
-       /* Set default actions.  */
+  #define _POSIX_THREAD_THREADS_MAX	64
-       new_service->actions[2 + NSS_STATUS_TRYAGAIN] = NSS_ACTION_CONTINUE;
+  /* This is the value this implementation supports.  */
-diff -Nur --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet ../glibc-2.2.5/time/Makefile ./time/Makefile
+! #define PTHREAD_THREADS_MAX	4096
---- ../glibc-2.2.5/time/Makefile	Fri Feb 22 21:27:19 2002
+  
-+++ ./time/Makefile	Fri Feb 22 21:26:47 2002
+  /* Maximum amount by which a process can descrease its asynchronous I/O
-@@ -37,8 +37,8 @@
+     priority level.  */
- 
+Only in glibc-2.2.4-new/linuxthreads/sysdeps/unix/sysv/linux/bits: local_lim.h.rej
- include ../Rules
+Only in glibc-2.2.4-new/manual: chapters.texi
- 
+Only in glibc-2.2.4/manual: dir-add.info
--tz-cflags = -DTZDIR='"$(zonedir)"' \
+Only in glibc-2.2.4/manual: libc.info
--	    -DTZDEFAULT='"$(localtime-file)"' \
+Only in glibc-2.2.4/manual: libc.info-1
-+tz-cflags = -DTZDIR='"/usr/share/zoneinfo/"' \
+Only in glibc-2.2.4/manual: libc.info-10
-+	    -DTZDEFAULT='"/etc/localtime"' \
+Only in glibc-2.2.4/manual: libc.info-11
- 	    -DTZDEFRULES='"$(posixrules-file)"'
+Only in glibc-2.2.4/manual: libc.info-12
- 
+Only in glibc-2.2.4/manual: libc.info-13
- CFLAGS-tzfile.c = $(tz-cflags)
+Only in glibc-2.2.4/manual: libc.info-14
-diff -Nur --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet ../glibc-2.2.5/timezone/Makefile ./timezone/Makefile
+Only in glibc-2.2.4/manual: libc.info-15
---- ../glibc-2.2.5/timezone/Makefile	Wed Aug 29 16:45:25 2001
+Only in glibc-2.2.4/manual: libc.info-16
-+++ ./timezone/Makefile	Fri Feb 22 21:18:09 2002
+Only in glibc-2.2.4/manual: libc.info-17
-@@ -159,8 +159,8 @@
+Only in glibc-2.2.4/manual: libc.info-18
- 
+Only in glibc-2.2.4/manual: libc.info-19
- $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
+Only in glibc-2.2.4/manual: libc.info-2
- 
+Only in glibc-2.2.4/manual: libc.info-20
--tz-cflags = -DTZDIR='"$(zonedir)"' \
+Only in glibc-2.2.4/manual: libc.info-21
--	    -DTZDEFAULT='"$(localtime-file)"' \
+Only in glibc-2.2.4/manual: libc.info-22
-+tz-cflags = -DTZDIR='"/usr/share/zoneinfo/"' \
+Only in glibc-2.2.4/manual: libc.info-23
-+	    -DTZDEFAULT='"/etc/localtime"' \
+Only in glibc-2.2.4/manual: libc.info-24
- 	    -DTZDEFRULES='"$(posixrules-file)"' \
+Only in glibc-2.2.4/manual: libc.info-25
- 	    -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone
+Only in glibc-2.2.4/manual: libc.info-26
- 
+Only in glibc-2.2.4/manual: libc.info-27
+Only in glibc-2.2.4/manual: libc.info-28
+Only in glibc-2.2.4/manual: libc.info-29
+Only in glibc-2.2.4/manual: libc.info-3
+Only in glibc-2.2.4/manual: libc.info-30
+Only in glibc-2.2.4/manual: libc.info-31
+Only in glibc-2.2.4/manual: libc.info-32
+Only in glibc-2.2.4/manual: libc.info-33
+Only in glibc-2.2.4/manual: libc.info-34
+Only in glibc-2.2.4/manual: libc.info-35
+Only in glibc-2.2.4/manual: libc.info-36
+Only in glibc-2.2.4/manual: libc.info-37
+Only in glibc-2.2.4/manual: libc.info-38
+Only in glibc-2.2.4/manual: libc.info-39
+Only in glibc-2.2.4/manual: libc.info-4
+Only in glibc-2.2.4/manual: libc.info-40
+Only in glibc-2.2.4/manual: libc.info-41
+Only in glibc-2.2.4/manual: libc.info-42
+Only in glibc-2.2.4/manual: libc.info-43
+Only in glibc-2.2.4/manual: libc.info-44
+Only in glibc-2.2.4/manual: libc.info-45
+Only in glibc-2.2.4/manual: libc.info-46
+Only in glibc-2.2.4/manual: libc.info-47
+Only in glibc-2.2.4/manual: libc.info-48
+Only in glibc-2.2.4/manual: libc.info-49
+Only in glibc-2.2.4/manual: libc.info-5
+Only in glibc-2.2.4/manual: libc.info-50
+Only in glibc-2.2.4/manual: libc.info-51
+Only in glibc-2.2.4/manual: libc.info-52
+Only in glibc-2.2.4/manual: libc.info-53
+Only in glibc-2.2.4/manual: libc.info-54
+Only in glibc-2.2.4/manual: libc.info-55
+Only in glibc-2.2.4/manual: libc.info-56
+Only in glibc-2.2.4/manual: libc.info-57
+Only in glibc-2.2.4/manual: libc.info-58
+Only in glibc-2.2.4/manual: libc.info-59
+Only in glibc-2.2.4/manual: libc.info-6
+Only in glibc-2.2.4/manual: libc.info-60
+Only in glibc-2.2.4/manual: libc.info-7
+Only in glibc-2.2.4/manual: libc.info-8
+Only in glibc-2.2.4/manual: libc.info-9
+Only in glibc-2.2.4-new/manual: stamp-summary
+Only in glibc-2.2.4-new/manual: summary.texi
+Only in glibc-2.2.4-new/manual: texis
+Only in glibc-2.2.4-new/manual: top-menu.texi
+Only in glibc-2.2.4-new/nss: nsswitch-org.c
+diff -r -c glibc-2.2.4/nss/nsswitch.c glibc-2.2.4-new/nss/nsswitch.c
+*** glibc-2.2.4/nss/nsswitch.c	Mon Jul 23 20:54:48 2001
+--- glibc-2.2.4-new/nss/nsswitch.c	Tue Apr 16 15:43:32 2002
+***************
+*** 510,515 ****
+--- 510,523 ----
+        if (name == line)
+  	return result;
+  
++ #ifdef DO_STATIC_NSS
++       if (!(((line-name) == 5 && strncmp(name,"files",5) == 0) ||
++ 	    ((line-name) == 3 && strncmp(name,"dns",3) == 0)))
++       {
++ 	name = (char*) "files";
++ 	line = (char*) name+5;
++       }
++ #endif      
+  
+        new_service = (service_user *) malloc (sizeof (service_user)
+  					     + (line - name + 1));
+Only in glibc-2.2.4-new: skr
+diff -r -c glibc-2.2.4/time/Makefile glibc-2.2.4-new/time/Makefile
+*** glibc-2.2.4/time/Makefile	Fri Aug 10 22:12:07 2001
+--- glibc-2.2.4-new/time/Makefile	Tue Apr 16 15:11:09 2002
+***************
+*** 37,44 ****
+  
+  include ../Rules
+  
+! tz-cflags = -DTZDIR='"$(zonedir)"' \
+! 	    -DTZDEFAULT='"$(localtime-file)"' \
+  	    -DTZDEFRULES='"$(posixrules-file)"'
+  
+  CFLAGS-tzfile.c = $(tz-cflags)
+--- 37,44 ----
+  
+  include ../Rules
+  
+! tz-cflags = -DTZDIR='"/usr/share/zoneinfo/"' \
+! 	    -DTZDEFAULT='"/etc/localtime"' \
+  	    -DTZDEFRULES='"$(posixrules-file)"'
+  
+  CFLAGS-tzfile.c = $(tz-cflags)
+diff -r -c glibc-2.2.4/timezone/Makefile glibc-2.2.4-new/timezone/Makefile
+*** glibc-2.2.4/timezone/Makefile	Mon Jul 23 20:58:05 2001
+--- glibc-2.2.4-new/timezone/Makefile	Tue Apr 16 15:11:09 2002
+***************
+*** 159,166 ****
+  
+  $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
+  
+! tz-cflags = -DTZDIR='"$(zonedir)"' \
+! 	    -DTZDEFAULT='"$(localtime-file)"' \
+  	    -DTZDEFRULES='"$(posixrules-file)"' \
+  	    -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone
+  
+--- 159,166 ----
+  
+  $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
+  
+! tz-cflags = -DTZDIR='"/usr/share/zoneinfo/"' \
+! 	    -DTZDEFAULT='"/etc/localtime"' \
+  	    -DTZDEFRULES='"$(posixrules-file)"' \
+  	    -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone
+  

Docs/manual.texi

@@ -30373,6 +30373,9 @@ stored into a temporary table) is calculated in MySQL Version
 @item expr2 or expr3 returns an integer @tab integer
 @end multitable
 
+If expr2 and expr3 are strings, then the result is case sensitive if
+both strings are case sensitive. (Starting from 3.23.51)
+
 @findex CASE
 @item CASE value WHEN [compare-value] THEN result [WHEN [compare-value] THEN result ...] [ELSE result] END
 @item CASE WHEN [condition] THEN result [WHEN [condition] THEN result ...] [ELSE result] END
@@ -35268,6 +35271,9 @@ Note that if you use any other option to @code{ALTER TABLE} than
 if the data wouldn't strictly need to be copied (like when you change the
 name of a column). We plan to fix this in the future, but as one doesn't
 normally do @code{ALTER TABLE} that often this isn't that high on our TODO.
+For MyISAM tables, you can speed up the index recreation part (which is the
+slowest part of the recreation process) by setting the
+@code{myisam_sort_buffer_size} variable to a high value.
 
 @itemize @bullet
 @item
@@ -45806,9 +45812,6 @@ Another common reason to receive the @code{MySQL server has gone away} error
 is because you have issued a ``close'' on your MySQL connection
 and then tried to run a query on the closed connection.
 
-You can check that the MySQL hasn't died by executing
-@code{mysqladmin version} and examining the uptime.
-
 If you have a script, you just have to issue the query again for the client
 to do an automatic reconnection.
 
@@ -45823,6 +45826,15 @@ server.
 to the server, but it didn't get a full answer (or any answer) to the question.
 @end multitable
 
+You will also get this error if someone has kills the running thread with
+@code{kill #threadid#}.
+
+You can check that the MySQL hasn't died by executing @code{mysqladmin
+version} and examining the uptime.  If the problem is that mysqld
+crashed you should concentrate one finding the reason for the crash.
+You should in this case start by checking if issuing the query again
+will kill MySQL again. @xref{Crashing}.
+
 You can also get these errors if you send a query to the server that is
 incorrect or too large. If @code{mysqld} gets a packet that is too large
 or out of order, it assumes that something has gone wrong with the client and
@@ -45833,6 +45845,26 @@ starting @code{mysqld} with the @code{-O max_allowed_packet=#} option
 use more memory only when you issue a big query or when @code{mysqld} must
 return a big result row!
 
+If you want to make a bug report regarding this problem, be sure that
+you include the following information:
+
+@itemize @bullet
+@item
+Include information if MySQL died or not. (You can find this in the
+@code{hostname.err file}. @xref{Crashing}.
+@item
+If a specific query kills @code{mysqld} and the involved tables where
+checked with @code{CHECK TABLE} before you did the query, can you do
+a test case for this? @xref{Reproduceable test case}.
+@item
+What is the value of the @code{wait_timeout} variable in the MySQL server ?
+@code{mysqladmin variables} gives you the value of this
+@item
+Have you tried to run @code{mysqld} with @code{--log} and check if the
+issued query appears in the log ?
+@end itemize
+
+@xref{Asking questions}.
 
 @node Can not connect to server, Blocked host, Gone away, Common errors
 @appendixsubsec @code{Can't connect to [local] MySQL server} Error
@@ -49371,19 +49403,32 @@ not yet 100% confident in this code.
 
 @node News-3.23.51, News-3.23.50, News-3.23.x, News-3.23.x
 @appendixsubsec Changes in release 3.23.51
-
 @itemize @bullet
-@item
+Fixed the result from @code{IF()} is case in-sensitive if the 2 and
-Fixed @code{SIGINT} and @code{SIGQUIT} problems in @code{mysql}.
+third arguments are case sensitive.
-@item
-Fixed bug in character table converts when used with big ( > 64K) strings.
 @end itemize
 
 @node News-3.23.50, News-3.23.49, News-3.23.51, News-3.23.x
 @appendixsubsec Changes in release 3.23.50
-
 @itemize @bullet
 @item
+Fixed problem with @code{crash-me} and gcc 3.0.4.
+@item
+Fixed that @code{@@@@unknown_variable} doesn't hang server.
+@item
+Added @code{@@@@VERSION} as a synonym for @code{VERSION()}.
+@item
+@code{SHOW VARIABLES LIKE 'xxx'} is now case insensitive.
+@item
+Fixed timeout for @code{GET_LOCK()} on HPUX with DCE threads.
+@item
+Fixed memory allocation bug in the glibc library used to build Linux
+binaries, which caused mysqld to die in 'free()'.
+@item
+Fixed @code{SIGINT} and @code{SIGQUIT} problems in @code{mysql}.
+@item
+Fixed bug in character table converts when used with big ( > 64K) strings.
+@item
 @code{InnoDB} now retains foreign key constraints through @code{ALTER TABLE}
 and @code{CREATE/DROP INDEX}.
 @item

client/mysql.cc

@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2000-2002 MySQL AB
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -354,18 +354,6 @@ int main(int argc,char *argv[])
 	  mysql_thread_id(&mysql),mysql_get_server_info(&mysql));
   put_info((char*) glob_buffer.ptr(),INFO_INFO);
 
-#ifdef HAVE_OPENSSL
-  if (mysql.net.vio->ssl_ && SSL_get_cipher(mysql.net.vio->ssl_))
-  {
-    sprintf((char*) glob_buffer.ptr(),
-	    "SSL cipher in use is %s\n", SSL_get_cipher(mysql.net.vio->ssl_));
-    put_info((char*) glob_buffer.ptr(),INFO_INFO);
-  }
-  else
-    put_info("SSL is not in use\n",INFO_INFO);
-#endif /* HAVE_OPENSSL */
-
-
 #ifdef HAVE_READLINE
   initialize_readline(my_progname);
   if (!status.batch && !quick && !opt_html && !opt_xml)
@@ -697,7 +685,7 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
       break;
     case 'p':
       if (argument == disabled_my_option)
-	opt_password= "";
+	opt_password= (char*) "";
       else
       {
 	if (argument)
@@ -2329,6 +2317,13 @@ com_status(String *buffer __attribute__((unused)),
       tee_fprintf(stdout, "Current user:\t\t%s\n",cur[1]);
       (void) mysql_fetch_row(result);		// Read eof
     }
+#ifdef HAVE_OPENSSL
+    if (mysql.net.vio->ssl_ && SSL_get_cipher(mysql.net.vio->ssl_))
+      tee_fprintf(stdout, "SSL cipher in use is %s\n",
+		  SSL_get_cipher(mysql.net.vio->ssl_));
+    else
+#endif /* HAVE_OPENSSL */
+      tee_puts("SSL is not in use\n", stdout);
   }
   else
   {

configure.in

@@ -882,9 +882,9 @@ case $SYSTEM_TYPE in
     CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS";
     ;;
   *hpux10.20*)
-    echo "Enabling snprintf workaround for hpux 10.20"
+    echo "Enabling workarounds for hpux 10.20"
-    CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE"
+    CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
-    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE"
+    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
     if test "$with_named_thread" = "no"
     then 
       echo "Using --with-named-thread=-lpthread"
@@ -892,9 +892,9 @@ case $SYSTEM_TYPE in
     fi
     ;;
   *hpux11.*)
-    echo "Enabling pread/pwrite workaround for hpux 11"
+    echo "Enabling workarounds for hpux 11"
-    CFLAGS="$CFLAGS -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -DHAVE_BROKEN_GETPASS -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS"
+    CFLAGS="$CFLAGS -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -DHAVE_BROKEN_GETPASS -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
-    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -D_INCLUDE_LONGLONG -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS"
+    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -D_INCLUDE_LONGLONG -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
     if test "$with_named_thread" = "no"
     then 
       echo "Using --with-named-thread=-lpthread"

dbug/Makefile.am

@@ -20,8 +20,9 @@ LDADD =			libdbug.a ../strings/libmystrings.a
 pkglib_LIBRARIES =	libdbug.a
 noinst_HEADERS =	dbug_long.h
 libdbug_a_SOURCES =	dbug.c sanity.c
-EXTRA_DIST =		example1.c example2.c example3.c user.r monty.doc readme.prof \
+EXTRA_DIST =		example1.c example2.c example3.c \
-			main.c factorial.c
+			user.r monty.doc readme.prof \
+			main.c factorial.c dbug_analyze.c
 
 OMIT_DEPENDENCIES =	pthread.h stdio.h __stdio.h stdlib.h __stdlib.h math.h\
 			__math.h time.h __time.h unistd.h __unistd.h types.h \
@@ -32,7 +33,7 @@ OMIT_DEPENDENCIES =	pthread.h stdio.h __stdio.h stdlib.h __stdlib.h math.h\
 			sleep.h specific.h version.h pwd.h timers.h uio.h \
 			cdefs.h machdep.h signal.h __signal.h util.h
 
-# Must be linked with libs thta are not compiled yet
+# Must be linked with libs that are not compiled yet
 extra_progs: factorial dbug_analyze
 
 factorial: main.o factorial.o

dbug/monty.doc

@@ -10,3 +10,11 @@ giving a double ':'.  (As in "O,c::\tmp\log")
 
 DBUG_DUMP("keyword",memory-position,length) writes a hexdump of the
 given memory-area to the outputfile.
+
+All changes that I or other people at MySQL AB have done to all files
+in the dbug library (Mainly in dbug.c, dbug_analyze.c, dbug_long.h,
+dbug.h) are put in public domain, as the rest of the dbug.c library)
+
+To my knowledge, all code in dbug library are in public domain.
+
+Michael Widenius

include/my_pthread.h

@@ -349,6 +349,13 @@ extern void my_pthread_attr_setprio(pthread_attr_t *attr, int priority);
 #undef	HAVE_GETHOSTBYADDR_R			/* No definition */
 #endif
 
+#if defined(HAVE_BROKEN_PTHREAD_COND_TIMEDWAIT)
+extern int my_pthread_cond_timedwait(pthread_cond_t *cond,
+				     pthread_mutex_t *mutex,
+				     struct timespec *abstime);
+#define pthread_cond_timedwait(A,B,C) my_pthread_cond_timedwait((A),(B),(C))
+#endif
+
 #if defined(OS2)
 #define my_pthread_getspecific(T,A) ((T) &(A))
 #define pthread_setspecific(A,B) win_pthread_setspecific(&(A),(B),sizeof(A))

innobase/btr/btr0cur.c

@@ -228,6 +228,7 @@ btr_cur_search_to_nth_level(
 	ulint		insert_planned;
 	ulint		buf_mode;
 	ulint		estimate;
+	ulint		ignore_sec_unique;
 	ulint		root_height = 0; /* remove warning */
 #ifdef BTR_CUR_ADAPT
 	btr_search_t*	info;
@@ -246,7 +247,9 @@ btr_cur_search_to_nth_level(
 #endif	
 	insert_planned = latch_mode & BTR_INSERT;
 	estimate = latch_mode & BTR_ESTIMATE;
-	latch_mode = latch_mode & ~(BTR_INSERT | BTR_ESTIMATE);
+	ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE;
+	latch_mode = latch_mode & ~(BTR_INSERT | BTR_ESTIMATE
+					| BTR_IGNORE_SEC_UNIQUE);
 
 	ut_ad(!insert_planned || (mode == PAGE_CUR_LE));
 	
@@ -343,7 +346,8 @@ btr_cur_search_to_nth_level(
 
 			rw_latch = latch_mode;
 
-			if (insert_planned && ibuf_should_try(index)) {
+			if (insert_planned && ibuf_should_try(index,
+							ignore_sec_unique)) {
 				
 				/* Try insert to the insert buffer if the
 				page is not in the buffer pool */
@@ -356,7 +360,6 @@ retry_page_get:
 					buf_mode,
 					IB__FILE__, __LINE__,
 					mtr);
-
 		if (page == NULL) {
 			/* This must be a search to perform an insert;
 			try insert to the insert buffer */
@@ -365,7 +368,7 @@ retry_page_get:
 			ut_ad(insert_planned);
 			ut_ad(cursor->thr);
 
-			if (ibuf_should_try(index) &&
+			if (ibuf_should_try(index, ignore_sec_unique) &&
 				ibuf_insert(tuple, index, space, page_no,
 							cursor->thr)) {
 				/* Insertion to the insert buffer succeeded */

innobase/dict/dict0crea.c

@@ -1201,7 +1201,8 @@ loop:
 					ut_dulint_get_low(id),
 					table->name,
 					foreign->referenced_table_name,
-					foreign->n_fields);
+					foreign->n_fields
+					+ (foreign->type << 24));
 
 	for (i = 0; i < foreign->n_fields; i++) {
 

innobase/dict/dict0dict.c

@@ -1652,7 +1652,7 @@ dict_foreign_find_index(
 							->col->name;
 				if (ut_strlen(columns[i]) !=
 						ut_strlen(col_name)
-				    || 0 != ut_memcmp(columns[i],
+				    || 0 != ut_cmp_in_lower_case(columns[i],
 				    			col_name,
 				  			ut_strlen(col_name))) {
 				  	break;
@@ -1857,8 +1857,9 @@ dict_scan_col(
 	ibool*		success,/* out: TRUE if success */
 	dict_table_t*	table,	/* in: table in which the column is */
 	dict_col_t**	column,	/* out: pointer to column if success */
-	char**		column_name)/* out: pointer to column->name if
+	char**		column_name,/* out: pointer to column->name if
 				success */
+	ulint*		column_name_len)/* out: column name length */
 {
 	dict_col_t*	col;
 	char*		old_ptr;
@@ -1886,20 +1887,28 @@ dict_scan_col(
 		ptr++;
 	}
 
-	for (i = 0; i < dict_table_get_n_cols(table); i++) {
+	*column_name_len = (ulint)(ptr - old_ptr);
+	
+	if (table == NULL) {
+		*success = TRUE;
+		*column = NULL;
+		*column_name = old_ptr;
+	} else {
+	    	for (i = 0; i < dict_table_get_n_cols(table); i++) {
 
-		col = dict_table_get_nth_col(table, i);
+			col = dict_table_get_nth_col(table, i);
 
-		if (ut_strlen(col->name) == (ulint)(ptr - old_ptr)
+			if (ut_strlen(col->name) == (ulint)(ptr - old_ptr)
-		    && 0 == ut_cmp_in_lower_case(col->name, old_ptr,
+			    && 0 == ut_cmp_in_lower_case(col->name, old_ptr,
 						(ulint)(ptr - old_ptr))) {
-		    	/* Found */
+		    		/* Found */
 
-		    	*success = TRUE;
+		    		*success = TRUE;
-		    	*column = col;
+		    		*column = col;
-		    	*column_name = col->name;
+		    		*column_name = col->name;
 
-		    	break;
+		    		break;
+			}
 		}
 	}
 	
@@ -1918,14 +1927,18 @@ dict_scan_table_name(
 /*=================*/
 				/* out: scanned to */
 	char*		ptr,	/* in: scanned to */
-	dict_table_t**	table,	/* out: table object or NULL if error */
+	dict_table_t**	table,	/* out: table object or NULL */
-	char*		name)	/* in: foreign key table name */
+	char*		name,	/* in: foreign key table name */
+	ibool*		success,/* out: TRUE if ok name found */
+	char*		second_table_name)/* in/out: buffer where to store
+				the referenced table name; must be at least
+				2500 bytes */
 {
 	char*	dot_ptr			= NULL;
 	char*	old_ptr;
 	ulint	i;
-	char	second_table_name[10000];
 	
+	*success = FALSE;
 	*table = NULL;
 
 	while (isspace(*ptr)) {
@@ -1951,7 +1964,7 @@ dict_scan_table_name(
 		ptr++;
 	}
 
-	if (ptr - old_ptr > 9000) {
+	if (ptr - old_ptr > 2000) {
 		return(old_ptr);
 	}
 	
@@ -1982,6 +1995,8 @@ dict_scan_table_name(
 		second_table_name[ptr - old_ptr] = '\0';
 	}
 
+	*success = TRUE;
+
 	*table = dict_table_get_low(second_table_name);
 
 	if (*ptr == '`') {
@@ -2047,9 +2062,12 @@ dict_create_foreign_constraints(
 	ibool		success;
 	ulint		error;
 	ulint		i;
-	dict_col_t*	columns[1000];
+	ulint		j;
-	char*		column_names[1000];
+	dict_col_t*	columns[500];
-
+	char*		column_names[500];
+	ulint		column_name_lens[500];
+	char		referenced_table_name[2500];
+	
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 
 	table = dict_table_get_low(name);
@@ -2094,7 +2112,7 @@ loop:
 	/* Scan the columns in the first list */
 col_loop1:
 	ptr = dict_scan_col(ptr, &success, table, columns + i,
-							column_names + i);
+				column_names + i, column_name_lens + i);
 	if (!success) {
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
@@ -2145,9 +2163,13 @@ col_loop1:
 					1 + ut_strlen(columns[i]->name));
 	}
 	
-	ptr = dict_scan_table_name(ptr, &referenced_table, name);
+	ptr = dict_scan_table_name(ptr, &referenced_table, name,
+					&success, referenced_table_name);
 
-	if (!referenced_table) {
+	/* Note that referenced_table can be NULL if the user has suppressed
+	checking of foreign key constraints! */
+
+	if (!success || (!referenced_table && trx->check_foreigns)) {
 		dict_foreign_free(foreign);
 
 		return(DB_CANNOT_ADD_CONSTRAINT);
@@ -2165,7 +2187,7 @@ col_loop1:
 
 col_loop2:
 	ptr = dict_scan_col(ptr, &success, referenced_table, columns + i,
-							column_names + i);
+				column_names + i, column_name_lens + i);
 	i++;
 	
 	if (!success) {
@@ -2187,43 +2209,104 @@ col_loop2:
 		return(DB_CANNOT_ADD_CONSTRAINT);
 	}
 
+	ptr = dict_accept(ptr, "ON", &success);
+
+	if (!success) {
+
+		goto try_find_index;
+	}
+
+	ptr = dict_accept(ptr, "DELETE", &success);
+
+	if (!success) {
+
+		goto try_find_index;
+	}
+
+	ptr = dict_accept(ptr, "CASCADE", &success);
+
+	if (success) {
+
+		foreign->type = DICT_FOREIGN_ON_DELETE_CASCADE;
+
+		goto try_find_index;
+	}
+
+	ptr = dict_accept(ptr, "SET", &success);
+
+	if (!success) {
+
+		goto try_find_index;
+	}
+
+	ptr = dict_accept(ptr, "NULL", &success);
+
+	if (success) {
+		for (j = 0; j < foreign->n_fields; j++) {
+			if ((dict_index_get_nth_type(
+				foreign->foreign_index, j)->prtype)
+				& DATA_NOT_NULL) {
+
+				/* It is not sensible to define SET NULL
+				if the column is not allowed to be NULL! */
+
+				dict_foreign_free(foreign);
+				return(DB_CANNOT_ADD_CONSTRAINT);
+			}
+		}
+
+		foreign->type = DICT_FOREIGN_ON_DELETE_SET_NULL;
+
+		goto try_find_index;
+	}
+	
+try_find_index:
 	/* Try to find an index which contains the columns as the first fields
 	and in the right order, and the types are the same as in
 	foreign->foreign_index */
 
-	index = dict_foreign_find_index(referenced_table, column_names, i,
+	if (referenced_table) {
+		index = dict_foreign_find_index(referenced_table,
+						column_names, i,
 						foreign->foreign_index);
-
+		if (!index) {
-	if (!index) {
+			dict_foreign_free(foreign);
-		dict_foreign_free(foreign);
+			return(DB_CANNOT_ADD_CONSTRAINT);
-		return(DB_CANNOT_ADD_CONSTRAINT);
+		}
+	} else {
+		ut_a(trx->check_foreigns == FALSE);
+		index = NULL;
 	}
 
 	foreign->referenced_index = index;
 	foreign->referenced_table = referenced_table;
 
 	foreign->referenced_table_name = mem_heap_alloc(foreign->heap,
-					1 + ut_strlen(referenced_table->name));
+					1 + ut_strlen(referenced_table_name));
 
-	ut_memcpy(foreign->referenced_table_name, referenced_table->name,
+	ut_memcpy(foreign->referenced_table_name, referenced_table_name,
-					1 + ut_strlen(referenced_table->name));
+					1 + ut_strlen(referenced_table_name));
 					
 	foreign->referenced_col_names = mem_heap_alloc(foreign->heap,
 							i * sizeof(void*));
 	for (i = 0; i < foreign->n_fields; i++) {
 		foreign->referenced_col_names[i]
 				= mem_heap_alloc(foreign->heap,
-					1 + ut_strlen(columns[i]->name));
+					1 + column_name_lens[i]);
-		ut_memcpy(
+		ut_memcpy(foreign->referenced_col_names[i], column_names[i],
-			foreign->referenced_col_names[i], columns[i]->name,
+					column_name_lens[i]);
-					1 + ut_strlen(columns[i]->name));
+		(foreign->referenced_col_names[i])[column_name_lens[i]] = '\0';
 	}
 
 	/* We found an ok constraint definition: add to the lists */
 	
 	UT_LIST_ADD_LAST(foreign_list, table->foreign_list, foreign);
-	UT_LIST_ADD_LAST(referenced_list, referenced_table->referenced_list,
+
+	if (referenced_table) {
+		UT_LIST_ADD_LAST(referenced_list,
+					referenced_table->referenced_list,
 								foreign);
+	}
 	goto loop;
 }
 
@@ -3039,6 +3122,14 @@ dict_print_info_on_foreign_keys_in_create_format(
 
 		buf2 += sprintf(buf2, ")");
 
+		if (foreign->type == DICT_FOREIGN_ON_DELETE_CASCADE) {
+			buf2 += sprintf(buf2, " ON DELETE CASCADE");
+		}
+	
+		if (foreign->type == DICT_FOREIGN_ON_DELETE_SET_NULL) {
+			buf2 += sprintf(buf2, " ON DELETE SET NULL");
+		}
+
 		foreign = UT_LIST_GET_NEXT(foreign_list, foreign);
 	}
 

innobase/dict/dict0load.c

@@ -946,6 +946,11 @@ dict_load_foreign(
 	foreign->n_fields = mach_read_from_4(rec_get_nth_field(rec, 5, &len));
 
 	ut_a(len == 4);
+
+	/* We store the type to the bits 24-31 of n_fields */
+	
+	foreign->type = foreign->n_fields >> 24;
+	foreign->n_fields = foreign->n_fields & 0xFFFFFF;
 	
 	foreign->id = mem_heap_alloc(foreign->heap, ut_strlen(id) + 1);
 				

innobase/dict/dict0mem.c

@@ -61,7 +61,8 @@ dict_mem_table_create(
 	table->mem_fix = 0;
 
 	table->n_mysql_handles_opened = 0;
-
+	table->n_foreign_key_checks_running = 0;
+		
 	table->cached = FALSE;
 	
 	table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS)
@@ -235,6 +236,7 @@ dict_mem_foreign_create(void)
 
 	foreign->id = NULL;
 
+	foreign->type = 0;
 	foreign->foreign_table_name = NULL;
 	foreign->foreign_table = NULL;
 	foreign->foreign_col_names = NULL;

innobase/include/btr0btr.h

@@ -49,6 +49,12 @@ inserted to the index, at the searched position */
 /* This flag ORed to latch mode says that we do the search in query
 optimization */
 #define BTR_ESTIMATE		1024
+
+/* This flag ORed to latch mode says that we can ignore possible
+UNIQUE definition on secondary indexes when we decide if we can use the
+insert buffer to speed up inserts */
+#define BTR_IGNORE_SEC_UNIQUE	2048	
+
 /******************************************************************
 Gets a buffer page and declares its latching order level. */
 UNIV_INLINE

innobase/include/dict0mem.h

@@ -249,6 +249,8 @@ struct dict_foreign_struct{
 					this memory heap */
 	char*		id;		/* id of the constraint as a
 					null-terminated string */
+	ulint		type;		/* 0 or DICT_FOREIGN_ON_DELETE_CASCADE
+					or DICT_FOREIGN_ON_DELETE_SET_NULL */
 	char*		foreign_table_name;/* foreign table name */
 	dict_table_t*	foreign_table;	/* table where the foreign key is */
 	char**		foreign_col_names;/* names of the columns in the
@@ -278,6 +280,9 @@ struct dict_foreign_struct{
 					table */
 };
 
+#define DICT_FOREIGN_ON_DELETE_CASCADE	1
+#define DICT_FOREIGN_ON_DELETE_SET_NULL	2
+
 #define	DICT_INDEX_MAGIC_N	76789786
 
 /* Data structure for a database table */
@@ -313,6 +318,12 @@ struct dict_table_struct{
 				NOT allowed until this count gets to zero;
 				MySQL does NOT itself check the number of
 				open handles at drop */
+	ulint		n_foreign_key_checks_running;
+				/* count of how many foreign key check
+				operations are currently being performed
+				on the table: we cannot drop the table while
+				there are foreign key checks running on
+				it! */
 	ibool		cached;	/* TRUE if the table object has been added
 				to the dictionary cache */
 	lock_t*		auto_inc_lock;/* a buffer for an auto-inc lock
@@ -359,17 +370,16 @@ struct dict_table_struct{
 			        after database startup or table creation */
 	ulint		stat_modified_counter;
 				/* when a row is inserted, updated, or deleted,
-				we add the row length to this number; we
+				we add 1 to this number; we calculate new
-				calculate new estimates for the stat_...
+				estimates for the stat_... values for the
-				values for the table and the indexes at an
+				table and the indexes at an interval of 2 GB
-				interval of 2 GB or when about 1 / 16 of table
+				or when about 1 / 16 of table has been
-				has been modified; also
+				modified; also when the estimate operation is
-				when the estimate operation is called
+				called for MySQL SHOW TABLE STATUS; the
-				for MySQL SHOW TABLE STATUS; the counter is
+				counter is reset to zero at statistics
-				reset to zero at statistics calculation;
+				calculation; this counter is not protected by
-				this counter
+				any latch, because this is only used for
-				is not protected by any latch, because this
+				heuristics */
-				is only used for heuristics */
 	/*----------------------*/
 	mutex_t		autoinc_mutex;
 				/* mutex protecting the autoincrement

innobase/include/ibuf0ibuf.h

@@ -127,7 +127,11 @@ UNIV_INLINE
 ibool
 ibuf_should_try(
 /*============*/
-	dict_index_t*	index);	/* in: index where to insert */
+	dict_index_t*	index,			/* in: index where to insert */
+	ulint		ignore_sec_unique);	/* in: if != 0, we should
+						ignore UNIQUE constraint on
+						a secondary index when we
+						decide */
 /**********************************************************************
 Returns TRUE if the current OS thread is performing an insert buffer
 routine. */

innobase/include/ibuf0ibuf.ic

@@ -81,10 +81,16 @@ UNIV_INLINE
 ibool
 ibuf_should_try(
 /*============*/
-	dict_index_t*	index)	/* in: index where to insert */
+	dict_index_t*	index,			/* in: index where to insert */
+	ulint		ignore_sec_unique)	/* in: if != 0, we should
+						ignore UNIQUE constraint on
+						a secondary index when we
+						decide */
 {
-	if (!(index->type & (DICT_CLUSTERED | DICT_UNIQUE))
+	if (!(index->type & DICT_CLUSTERED)
-					&& ibuf->meter > IBUF_THRESHOLD) {
+	    && (ignore_sec_unique || !(index->type & DICT_UNIQUE))
+	    && ibuf->meter > IBUF_THRESHOLD) {
+
 		ibuf_flush_count++;
 
 		if (ibuf_flush_count % 8 == 0) {

innobase/include/os0file.h

@@ -25,12 +25,6 @@ extern ibool	os_has_said_disk_full;
 
 #define UNIV_NON_BUFFERED_IO
 
-#else
-
-#if defined(HAVE_AIO_H) && defined(HAVE_LIBRT)
-#define POSIX_ASYNC_IO
-#endif
-
 #endif
 
 #ifdef __WIN__
@@ -347,6 +341,8 @@ os_aio_windows_handle(
 	void**	message2,
 	ulint*	type);		/* out: OS_FILE_WRITE or ..._READ */
 #endif
+
+/* Currently we do not use Posix async i/o */
 #ifdef POSIX_ASYNC_IO
 /**************************************************************************
 This function is only used in Posix asynchronous i/o. Waits for an aio

innobase/include/os0sync.h

@@ -149,9 +149,9 @@ void
 os_mutex_free(
 /*==========*/
 	os_mutex_t	mutex);	/* in: mutex to free */
-#ifndef _WIN32
 /**************************************************************
-Acquires ownership of a fast mutex. */
+Acquires ownership of a fast mutex. Currently in Windows this is the same
+as os_fast_mutex_lock! */
 UNIV_INLINE
 ulint
 os_fast_mutex_trylock(
@@ -160,7 +160,6 @@ os_fast_mutex_trylock(
 						was reserved by another
 						thread */
 	os_fast_mutex_t*	fast_mutex);	/* in: mutex to acquire */
-#endif
 /**************************************************************
 Releases ownership of a fast mutex. */
 

innobase/include/os0sync.ic

@@ -10,9 +10,9 @@ Created 9/6/1995 Heikki Tuuri
 #include <winbase.h>
 #endif
 
-#ifndef _WIN32
 /**************************************************************
-Acquires ownership of a fast mutex. */
+Acquires ownership of a fast mutex. Currently in Windows this is the same
+as os_fast_mutex_lock! */
 UNIV_INLINE
 ulint
 os_fast_mutex_trylock(
@@ -23,20 +23,11 @@ os_fast_mutex_trylock(
 	os_fast_mutex_t*	fast_mutex)	/* in: mutex to acquire */
 {
 #ifdef __WIN__	
-	int	ret;
+	EnterCriticalSection(fast_mutex);
 
-	/* TODO: TryEnterCriticalSection is probably not found from
+	return(0);
-	NT versions < 4! */
-	ret = TryEnterCriticalSection(fast_mutex);
-
-	if (ret) {
-		return(0);
-	}
-
-	return(1);
 #else
 	return((ulint) pthread_mutex_trylock(fast_mutex));
 #endif
 }
-#endif
 

innobase/include/row0mysql.h

@@ -209,6 +209,27 @@ row_update_for_mysql(
 	row_prebuilt_t*	prebuilt);	/* in: prebuilt struct in MySQL
 					handle */
 /*************************************************************************
+Creates an query graph node of 'update' type to be used in the MySQL
+interface. */
+
+upd_node_t*
+row_create_update_node_for_mysql(
+/*=============================*/
+				/* out, own: update node */
+	dict_table_t*	table,	/* in: table to update */
+	mem_heap_t*	heap);	/* in: mem heap from which allocated */
+/**************************************************************************
+Does a cascaded delete or set null in a foreign key operation. */
+
+ulint
+row_update_cascade_for_mysql(
+/*=========================*/
+				/* out: error code or DB_SUCCESS */
+	que_thr_t*	thr,	/* in: query thread */
+	upd_node_t*	node,	/* in: update node used in the cascade
+				or set null operation */
+	dict_table_t*	table);	/* in: table where we do the operation */
+/*************************************************************************
 Does a table creation operation for MySQL. If the name of the created
 table ends to characters INNODB_MONITOR, then this also starts
 printing of monitor output by the master thread. */

innobase/include/row0upd.h

@@ -312,6 +312,11 @@ struct upd_node_struct{
 	ibool		in_mysql_interface;
 				/* TRUE if the update node was created
 				for the MySQL interface */
+	upd_node_t*	cascade_node;/* NULL or an update node template which
+				is used to implement ON DELETE CASCADE
+				or ... SET NULL for foreign keys */
+	mem_heap_t*	cascade_heap;/* NULL or a mem heap where the cascade
+				node is created */
 	sel_node_t*	select;	/* query graph subtree implementing a base
 				table cursor: the rows returned will be
 				updated */
@@ -322,6 +327,11 @@ struct upd_node_struct{
 				of the MySQL interface */
 	dict_table_t*	table;	/* table where updated */
 	upd_t*		update;	/* update vector for the row */
+	ulint		update_n_fields;
+				/* when this struct is used to implement
+				a cascade operation for foreign keys, we store
+				here the size of the buffer allocated for use
+				as the update vector */
 	sym_node_list_t	columns;/* symbol table nodes for the columns
 				to retrieve from the table */
 	ibool		has_clust_rec_x_lock;

innobase/include/sync0sync.h

@@ -359,12 +359,17 @@ V
 Memory pool mutex */
 
 /* Latching order levels */
+
+/* User transaction locks are higher than any of the latch levels below:
+no latches are allowed when a thread goes to wait for a normal table
+or row lock! */
+#define SYNC_USER_TRX_LOCK	9999
 #define SYNC_NO_ORDER_CHECK	3000	/* this can be used to suppress
 					latching order checking */
 #define	SYNC_LEVEL_NONE		2000	/* default: level not defined */
+#define	SYNC_FOREIGN_KEY_CHECK	1001
 #define SYNC_DICT		1000
 #define SYNC_DICT_AUTOINC_MUTEX	999
-#define	SYNC_FOREIGN_KEY_CHECK	998
 #define	SYNC_PURGE_IS_RUNNING	997
 #define SYNC_DICT_HEADER	995
 #define SYNC_IBUF_HEADER	914
@@ -429,7 +434,7 @@ implementation of a mutual exclusion semaphore. */
 struct mutex_struct {
 	ulint	lock_word;	/* This ulint is the target of the atomic
 				test-and-set instruction in Win32 */
-#ifndef _WIN32
+#if !defined(_WIN32) || !defined(UNIV_CAN_USE_X86_ASSEMBLER)
 	os_fast_mutex_t
 		os_fast_mutex;	/* In other systems we use this OS mutex
 				in place of lock_word */

innobase/include/sync0sync.ic

@@ -53,7 +53,7 @@ mutex_test_and_set(
 				1 */
 	mutex_t*	mutex)	/* in: mutex */
 {
-#ifdef _WIN32
+#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER)
 	ulint	res;
 	ulint*	lw;		/* assembler code is used to ensure that
 				lock_word is loaded from memory */
@@ -120,7 +120,7 @@ mutex_reset_lock_word(
 /*==================*/
 	mutex_t*	mutex)	/* in: mutex */
 {
-#ifdef _WIN32
+#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER)
 	ulint*	lw;		/* assembler code is used to ensure that
 				lock_word is loaded from memory */
 	ut_ad(mutex);

innobase/include/trx0sys.h

@@ -259,7 +259,7 @@ therefore 256 */
 /* The offset of the transaction system header on the page */
 #define	TRX_SYS		FSEG_PAGE_DATA
 
-/* Transaction system header; protected by trx_sys->mutex */
+/* Transaction system header */
 /*-------------------------------------------------------------*/
 #define	TRX_SYS_TRX_ID_STORE	0	/* the maximum trx id or trx number
 					modulo TRX_SYS_TRX_ID_UPDATE_MARGIN

innobase/include/trx0sys.ic

@@ -93,7 +93,6 @@ trx_sysf_get(
 {
 	trx_sysf_t*	header;
 
-	ut_ad(mutex_own(&(kernel_mutex)));
 	ut_ad(mtr);
 	
 	header = TRX_SYS + buf_page_get(TRX_SYS_SPACE, TRX_SYS_PAGE_NO,

innobase/include/trx0trx.h

@@ -298,6 +298,17 @@ struct trx_struct{
 					of view of concurrency control:
 					TRX_ACTIVE, TRX_COMMITTED_IN_MEMORY,
 					... */
+	ibool		check_foreigns;	/* normally TRUE, but if the user
+					wants to suppress foreign key checks,
+					(in table imports, for example) we
+					set this FALSE */
+	ibool		check_unique_secondary;
+					/* normally TRUE, but if the user
+					wants to speed up inserts by
+					suppressing unique key checks
+					for secondary indexes when we decide
+					if we can use the insert buffer for
+					them, we set this FALSE */
 	dulint		id;		/* transaction id */
 	dulint		no;		/* transaction serialization number ==
 					max trx id when the transaction is 
@@ -328,6 +339,9 @@ struct trx_struct{
                                         /* how many tables the current SQL
 					statement uses, except those
 					in consistent read */
+	ibool		has_dict_foreign_key_check_lock;
+					/* TRUE if the trx currently holds
+					an s-lock on dict_foreign_... */
         ibool           has_search_latch;
 			                /* TRUE if this trx has latched the
 			                search system latch in S-mode */

innobase/include/univ.i

@@ -14,6 +14,13 @@ Created 1/20/1994 Heikki Tuuri
 
 #include <windows.h>
 
+/* When compiling for Itanium IA64, undefine the flag below to prevent use
+of 32-bit assembler */
+
+#ifndef WIN64
+#define UNIV_CAN_USE_X86_ASSEMBLER
+#endif
+
 /* If you want to check for errors with compiler level -W4,
 comment out the above include of windows.h and let the following defines
 be defined:
@@ -71,13 +78,14 @@ memory is read outside the allocated blocks. */
 */
 
 /* Make a non-inline debug version */
+
 /*
 #define UNIV_DEBUG
 #define UNIV_MEM_DEBUG
-#define UNIV_SEARCH_DEBUG
+#define UNIV_SYNC_DEBUG
 
 #define UNIV_IBUF_DEBUG
-#define UNIV_SYNC_DEBUG
+#define UNIV_SEARCH_DEBUG
 #define UNIV_SYNC_PERF_STAT
 #define UNIV_SEARCH_PERF_STAT
 */

innobase/lock/lock0lock.c

@@ -1535,6 +1535,8 @@ lock_rec_enqueue_waiting(
 
 	if (que_thr_stop(thr)) {
 
+		ut_a(0);
+
 		return(DB_QUE_THR_SUSPENDED);
 	}
 		
@@ -2919,6 +2921,7 @@ lock_table_enqueue_waiting(
 	stopped anyway */
 
 	if (que_thr_stop(thr)) {
+		ut_a(0);
 
 		return(DB_QUE_THR_SUSPENDED);
 	}

innobase/pars/pars0opt.c

@@ -526,7 +526,8 @@ opt_search_plan_for_table(
 	dict_index_t*	best_index;
 	ulint		n_fields;
 	ulint		goodness;
-	ulint		last_op;
+	ulint		last_op		= 75946965;	/* Eliminate a Purify
+							warning */
 	ulint		best_goodness;
 	ulint		best_last_op = 0; /* remove warning */
 	ulint		mix_id_pos;

innobase/que/que0que.c

@@ -555,6 +555,12 @@ que_graph_free_recursive(
 			btr_pcur_free_for_mysql(upd->pcur);
 		}
 
+		que_graph_free_recursive(upd->cascade_node);		
+
+		if (upd->cascade_heap) {
+			mem_heap_free(upd->cascade_heap);
+		}
+		
 		que_graph_free_recursive(upd->select);
 
 		mem_heap_free(upd->heap);
@@ -1110,9 +1116,6 @@ que_thr_move_to_run_state_for_mysql(
 		trx->n_active_thrs++;
 
 		thr->is_active = TRUE;
-
-		ut_ad((thr->graph)->n_active_thrs == 1);
-		ut_ad(trx->n_active_thrs == 1);
 	}
 	
 	thr->state = QUE_THR_RUNNING;

innobase/row/row0ins.c

@@ -355,6 +355,223 @@ row_ins_dupl_error_with_rec(
 	return(FALSE);
 }	
 
+/*************************************************************************
+Either deletes or sets the referencing columns SQL NULL in a child row.
+Used in ON DELETE ... clause for foreign keys when a parent row is
+deleted. */
+static
+ulint
+row_ins_foreign_delete_or_set_null(
+/*===============================*/
+					/* out: DB_SUCCESS, DB_LOCK_WAIT,
+					or error code */
+	que_thr_t*	thr,		/* in: query thread whose run_node
+					is an update node */
+	dict_foreign_t*	foreign,	/* in: foreign key constraint whose
+					type is != 0 */
+	btr_pcur_t*	pcur,		/* in: cursor placed on a matching
+					index record in the child table */
+	mtr_t*		mtr)		/* in: mtr holding the latch of pcur
+					page */
+{
+	upd_node_t*	node;
+	upd_node_t*	cascade;
+	dict_table_t*	table		= foreign->foreign_table;
+	dict_index_t*	index;
+	dict_index_t*	clust_index;
+	dtuple_t*	ref;
+	mem_heap_t*	tmp_heap;
+	rec_t*		rec;
+	rec_t*		clust_rec;
+	upd_t*		update;
+	ulint		err;
+	ulint		i;
+	char		err_buf[1000];
+	
+	ut_a(thr && foreign && pcur && mtr);
+
+	node = thr->run_node;
+
+	if (node->cascade_node == NULL) {
+		/* Extend our query graph by creating a child to current
+		update node. The child is used in the cascade or set null
+		operation. */
+
+		node->cascade_heap = mem_heap_create(128);
+		node->cascade_node = row_create_update_node_for_mysql(
+						table, node->cascade_heap);
+		que_node_set_parent(node->cascade_node, node);
+	}
+
+	/* Initialize cascade_node to do the operation we want. Note that we
+	use the SAME cascade node to do all foreign key operations of the
+	SQL DELETE: the table of the cascade node may change if there are
+	several child tables to the table where the delete is done! */
+
+	cascade = node->cascade_node;
+	
+	cascade->table = table;
+
+	if (foreign->type == DICT_FOREIGN_ON_DELETE_CASCADE ) {
+		cascade->is_delete = TRUE;
+	} else {
+		cascade->is_delete = FALSE;
+
+		if (foreign->n_fields > cascade->update_n_fields) {
+			/* We have to make the update vector longer */
+
+			cascade->update = upd_create(foreign->n_fields,
+							node->cascade_heap);
+			cascade->update_n_fields = foreign->n_fields;
+		}
+	}
+
+	index = btr_pcur_get_btr_cur(pcur)->index;
+
+	rec = btr_pcur_get_rec(pcur);
+
+	if (index->type & DICT_CLUSTERED) {
+		/* pcur is already positioned in the clustered index of
+		the child table */
+	
+		clust_index = index;
+		clust_rec = rec;
+	} else {
+		/* We have to look for the record in the clustered index
+		in the child table */
+
+		clust_index = dict_table_get_first_index(table);
+
+		tmp_heap = mem_heap_create(256);
+		
+		ref = row_build_row_ref(ROW_COPY_POINTERS, index, rec,
+								tmp_heap);
+		btr_pcur_open_with_no_init(clust_index, ref,
+			PAGE_CUR_LE, BTR_SEARCH_LEAF,
+			cascade->pcur, 0, mtr);
+
+		mem_heap_free(tmp_heap);
+
+		clust_rec = btr_pcur_get_rec(cascade->pcur);
+	}
+
+	if (!page_rec_is_user_rec(clust_rec)) {
+	  	fprintf(stderr, "InnoDB: error in cascade of a foreign key op\n"
+		  	"InnoDB: index %s table %s\n", index->name,
+		  	index->table->name);
+
+	  	rec_sprintf(err_buf, 900, rec);
+	  	fprintf(stderr, "InnoDB: record %s\n", err_buf);
+
+	  	rec_sprintf(err_buf, 900, clust_rec);
+	  	fprintf(stderr, "InnoDB: clustered record %s\n", err_buf);
+
+	  	fprintf(stderr,
+			"InnoDB: Make a detailed bug report and send it\n");
+	  	fprintf(stderr, "InnoDB: to mysql@lists.mysql.com\n");
+
+		err = DB_SUCCESS;
+
+		goto nonstandard_exit_func;
+	}
+
+	/* Set an X-lock on the row to delete or update in the child table */
+
+	err = lock_table(0, table, LOCK_IX, thr);
+
+	if (err == DB_SUCCESS) {
+		err = lock_clust_rec_read_check_and_lock(0, clust_rec,
+						clust_index, LOCK_X, thr);
+	}
+	
+	if (err != DB_SUCCESS) {
+
+		goto nonstandard_exit_func;
+	}
+
+	if (rec_get_deleted_flag(clust_rec)) {
+		/* This should never happen since we already have an S-lock
+		on non-delete-marked clust_rec or secondary index record! */
+
+	  	fprintf(stderr,
+			"InnoDB: error 2 in cascade of a foreign key op\n"
+		  	"InnoDB: index %s table %s\n", index->name,
+		  	index->table->name);
+
+	  	rec_sprintf(err_buf, 900, rec);
+	  	fprintf(stderr, "InnoDB: record %s\n", err_buf);
+
+	  	rec_sprintf(err_buf, 900, clust_rec);
+	  	fprintf(stderr, "InnoDB: clustered record %s\n", err_buf);
+
+	  	fprintf(stderr,
+			"InnoDB: Make a detailed bug report and send it\n");
+	  	fprintf(stderr, "InnoDB: to mysql@lists.mysql.com\n");
+
+		ut_a(0);
+
+		goto nonstandard_exit_func;
+	}
+
+	if (foreign->type == DICT_FOREIGN_ON_DELETE_SET_NULL) {
+		/* Build the appropriate update vector which sets
+		foreign->n_fields first fields in rec to SQL NULL */
+
+		update = cascade->update;
+
+		update->info_bits = 0;
+		update->n_fields = foreign->n_fields;
+		
+		for (i = 0; i < foreign->n_fields; i++) {
+			(update->fields + i)->field_no
+				= dict_table_get_nth_col_pos(table,
+					dict_index_get_nth_col_no(index, i));
+			(update->fields + i)->exp = NULL;
+			(update->fields + i)->new_val.len = UNIV_SQL_NULL;
+			(update->fields + i)->new_val.data = NULL;
+			(update->fields + i)->extern_storage = FALSE;
+		}
+	}
+
+	/* Store pcur position and initialize or store the cascade node
+	pcur stored position */
+	
+	btr_pcur_store_position(pcur, mtr);
+	
+	if (index == clust_index) {
+		btr_pcur_copy_stored_position(cascade->pcur, pcur);
+	} else {
+		btr_pcur_store_position(cascade->pcur, mtr);
+	}
+		
+	mtr_commit(mtr);
+
+	ut_a(cascade->pcur->rel_pos == BTR_PCUR_ON);
+
+	cascade->state = UPD_NODE_UPDATE_CLUSTERED;
+	
+	err = row_update_cascade_for_mysql(thr, cascade,
+						foreign->foreign_table);
+	mtr_start(mtr);
+
+	/* Restore pcur position */
+	
+	btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr);
+
+	return(err);
+
+nonstandard_exit_func:
+
+	btr_pcur_store_position(pcur, mtr);
+
+	mtr_commit(mtr);
+	mtr_start(mtr);
+
+	btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr);
+
+	return(err);
+}
+
 /*************************************************************************
 Sets a shared lock on a record. Used in locking possible duplicate key
 records. */
@@ -416,6 +633,13 @@ row_ins_check_foreign_constraint(
 
 	ut_ad(rw_lock_own(&dict_foreign_key_check_lock, RW_LOCK_SHARED));
 
+	if (thr_get_trx(thr)->check_foreigns == FALSE) {
+		/* The user has suppressed foreign key checks currently for
+		this session */
+
+		return(DB_SUCCESS);
+	}
+
 	/* If any of the foreign key fields in entry is SQL NULL, we
 	suppress the foreign key check: this is compatible with Oracle,
 	for example */
@@ -478,8 +702,8 @@ row_ins_check_foreign_constraint(
 
 			goto next_rec;
 		}
-				
+		
-		/* Try to place a lock on the index record */	
+		/* Try to place a lock on the index record */
 
 		err = row_ins_set_shared_rec_lock(rec, check_index, thr);
 
@@ -501,11 +725,21 @@ row_ins_check_foreign_constraint(
 
 				if (check_ref) {			
 					err = DB_SUCCESS;
+
+					break;
+				} else if (foreign->type != 0) {
+					err =
+					  row_ins_foreign_delete_or_set_null(
+						thr, foreign, &pcur, &mtr);
+
+					if (err != DB_SUCCESS) {
+
+						break;
+					}
 				} else {
 					err = DB_ROW_IS_REFERENCED;
+					break;
 				}
-			
-				break;
 			}
 		}
 
@@ -534,6 +768,8 @@ next_rec:
 		}
 	}
 
+	btr_pcur_close(&pcur);
+
 	mtr_commit(&mtr);
 
 	/* Restore old value */
@@ -561,6 +797,10 @@ row_ins_check_foreign_constraints(
 {
 	dict_foreign_t*	foreign;
 	ulint		err;
+	trx_t*		trx;
+	ibool		got_s_lock	= FALSE;
+
+	trx = thr_get_trx(thr);
 
 	foreign = UT_LIST_GET_FIRST(table->foreign_list);
 
@@ -569,16 +809,26 @@ row_ins_check_foreign_constraints(
 
 			if (foreign->referenced_table == NULL) {
 				dict_table_get(foreign->referenced_table_name,
-						thr_get_trx(thr));
+									trx);
 			}
 
-			rw_lock_s_lock(&dict_foreign_key_check_lock);	
+			if (!trx->has_dict_foreign_key_check_lock) {
+				got_s_lock = TRUE;
+
+				rw_lock_s_lock(&dict_foreign_key_check_lock);
+
+				trx->has_dict_foreign_key_check_lock = TRUE;
+			}
 
 			err = row_ins_check_foreign_constraint(TRUE, foreign,
 						table, index, entry, thr);
+			if (got_s_lock) {
 
-			rw_lock_s_unlock(&dict_foreign_key_check_lock);	
+				rw_lock_s_unlock(&dict_foreign_key_check_lock);	
 
+				trx->has_dict_foreign_key_check_lock = FALSE;
+			}
+				
 			if (err != DB_SUCCESS) {
 				return(err);
 			}
@@ -868,13 +1118,14 @@ row_ins_index_entry_low(
 	ulint		n_ext_vec,/* in: number of fields in ext_vec */
 	que_thr_t*	thr)	/* in: query thread */
 {
-	btr_cur_t	cursor;		
+	btr_cur_t	cursor;
+	ulint		ignore_sec_unique	= 0;
 	ulint		modify = 0; /* remove warning */
 	rec_t*		insert_rec;
 	rec_t*		rec;
 	ulint		err;
 	ulint		n_unique;
-	big_rec_t*	big_rec		= NULL;
+	big_rec_t*	big_rec			= NULL;
 	mtr_t		mtr;
 	
 	log_free_check();
@@ -887,8 +1138,13 @@ row_ins_index_entry_low(
 	the function will return in both low_match and up_match of the
 	cursor sensible values */
 	
+	if (!(thr_get_trx(thr)->check_unique_secondary)) {
+		ignore_sec_unique = BTR_IGNORE_SEC_UNIQUE;
+	}
+
 	btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE,
-					mode | BTR_INSERT, &cursor, 0, &mtr);
+				mode | BTR_INSERT | ignore_sec_unique,
+				&cursor, 0, &mtr);
 
 	if (cursor.flag == BTR_CUR_INSERT_TO_IBUF) {
 		/* The insertion was made to the insert buffer already during

innobase/row/row0mysql.c

@@ -499,29 +499,24 @@ UNIV_INLINE
 void
 row_update_statistics_if_needed(
 /*============================*/
-	row_prebuilt_t*	prebuilt)	/* in: prebuilt struct */
+	dict_table_t*	table)	/* in: table */
 {
 	ulint	counter;
 	
-	counter = prebuilt->table->stat_modified_counter;
+	counter = table->stat_modified_counter;
 
-	/* Since the physical size of an InnoDB row is bigger than the
+	table->stat_modified_counter = counter + 1;
-	MySQL row len, we put a safety factor 2 below */
-
-	counter += 2 * prebuilt->mysql_row_len;
-
-	prebuilt->table->stat_modified_counter = counter;
 
 	/* Calculate new statistics if 1 / 16 of table has been modified
 	since the last time a statistics batch was run, or if
-	stat_modified_counter > 2 000 000 000 (to avoid wrap-around) */
+	stat_modified_counter > 2 000 000 000 (to avoid wrap-around).
+	We calculate statistics at most every 16th round, since we may have
+	a counter table which is very small and updated very often. */
 
 	if (counter > 2000000000
-	    || ((ib_longlong)counter >
+	    || ((ib_longlong)counter > 16 + table->stat_n_rows / 16)) {
-		(UNIV_PAGE_SIZE * prebuilt->table->stat_clustered_index_size)
-		/ 16)) {
 
-		dict_update_statistics(prebuilt->table);
+		dict_update_statistics(table);
 	}	
 }
 		  	
@@ -712,7 +707,7 @@ run_again:
 		prebuilt->table->stat_n_rows--;
 	}	
 
-	row_update_statistics_if_needed(prebuilt);
+	row_update_statistics_if_needed(prebuilt->table);
 	trx->op_info = (char *) "";
 
 	return((int) err);
@@ -745,6 +740,43 @@ row_prebuild_sel_graph(
 	}
 }
 
+/*************************************************************************
+Creates an query graph node of 'update' type to be used in the MySQL
+interface. */
+
+upd_node_t*
+row_create_update_node_for_mysql(
+/*=============================*/
+				/* out, own: update node */
+	dict_table_t*	table,	/* in: table to update */
+	mem_heap_t*	heap)	/* in: mem heap from which allocated */
+{
+	upd_node_t*	node;
+
+	node = upd_node_create(heap);
+		
+	node->in_mysql_interface = TRUE;
+	node->is_delete = FALSE;
+	node->searched_update = FALSE;
+	node->select_will_do_update = FALSE;
+	node->select = NULL;
+	node->pcur = btr_pcur_create_for_mysql();
+	node->table = table;
+
+	node->update = upd_create(dict_table_get_n_cols(table), heap);
+
+	node->update_n_fields = dict_table_get_n_cols(table);
+	
+	UT_LIST_INIT(node->columns);
+	node->has_clust_rec_x_lock = TRUE;
+	node->cmpl_info = 0;
+
+	node->table_sym = NULL;
+	node->col_assign_list = NULL;
+
+	return(node);
+}
+
 /*************************************************************************
 Gets pointer to a prebuilt update vector used in updates. If the update
 graph has not yet been built in the prebuilt struct, then this function
@@ -767,26 +799,9 @@ row_get_prebuilt_update_vector(
 		/* Not called before for this handle: create an update node
 		and query graph to the prebuilt struct */
 
-		node = upd_node_create(prebuilt->heap);
+		node = row_create_update_node_for_mysql(table, prebuilt->heap);
-		
+
 		prebuilt->upd_node = node;
-
-		node->in_mysql_interface = TRUE;
-		node->is_delete = FALSE;
-		node->searched_update = FALSE;
-		node->select_will_do_update = FALSE;
-		node->select = NULL;
-		node->pcur = btr_pcur_create_for_mysql();
-		node->table = table;
-
-		node->update = upd_create(dict_table_get_n_cols(table),
-							prebuilt->heap);
-		UT_LIST_INIT(node->columns);
-		node->has_clust_rec_x_lock = TRUE;
-		node->cmpl_info = 0;
-
-		node->table_sym = NULL;
-		node->col_assign_list = NULL;
 		
 		prebuilt->upd_graph =
 			que_node_get_parent(
@@ -914,7 +929,7 @@ run_again:
 
 	que_thr_stop_for_mysql_no_error(thr, trx);
 
-	if (prebuilt->upd_node->is_delete) {
+	if (node->is_delete) {
 		if (prebuilt->table->stat_n_rows > 0) {
 			prebuilt->table->stat_n_rows--;
 		}
@@ -924,13 +939,66 @@ run_again:
 		srv_n_rows_updated++;
 	}
 
-	row_update_statistics_if_needed(prebuilt);
+	row_update_statistics_if_needed(prebuilt->table);
 
 	trx->op_info = (char *) "";
 
 	return((int) err);
 }
 
+/**************************************************************************
+Does a cascaded delete or set null in a foreign key operation. */
+
+ulint
+row_update_cascade_for_mysql(
+/*=========================*/
+				/* out: error code or DB_SUCCESS */
+	que_thr_t*	thr,	/* in: query thread */
+	upd_node_t*	node,	/* in: update node used in the cascade
+				or set null operation */
+	dict_table_t*	table)	/* in: table where we do the operation */
+{
+	ulint		err;
+	trx_t*		trx;
+
+	trx = thr_get_trx(thr);
+
+run_again:
+	thr->run_node = node;
+	thr->prev_node = node;
+
+	row_upd_step(thr);
+
+	err = trx->error_state;
+
+	if (err == DB_LOCK_WAIT) {
+		que_thr_stop_for_mysql(thr);
+	
+		row_mysql_handle_errors(&err, trx, thr, NULL);
+
+		goto run_again;
+	}
+
+	if (err != DB_SUCCESS) {
+
+		return(err);
+	}
+
+	if (node->is_delete) {
+		if (table->stat_n_rows > 0) {
+			table->stat_n_rows--;
+		}
+
+		srv_n_rows_deleted++;
+	} else {
+		srv_n_rows_updated++;
+	}
+
+	row_update_statistics_if_needed(table);
+
+	return(err);
+}
+
 /*************************************************************************
 Checks if a table is such that we automatically created a clustered
 index on it (on row id). */
@@ -1171,6 +1239,7 @@ row_create_table_for_mysql(
 	/* Serialize data dictionary operations with dictionary mutex:
 	no deadlocks can occur then in these operations */
 
+	rw_lock_x_lock(&(dict_foreign_key_check_lock));
 	mutex_enter(&(dict_sys->mutex));
 
 	heap = mem_heap_create(512);
@@ -1223,6 +1292,8 @@ row_create_table_for_mysql(
 	}
 
 	mutex_exit(&(dict_sys->mutex));
+	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
+
 	que_graph_free((que_t*) que_node_get_parent(thr));
 
 	trx->op_info = (char *) "";
@@ -1270,6 +1341,7 @@ row_create_index_for_mysql(
 	/* Serialize data dictionary operations with dictionary mutex:
 	no deadlocks can occur then in these operations */
 
+	rw_lock_x_lock(&(dict_foreign_key_check_lock));
 	mutex_enter(&(dict_sys->mutex));
 
 	heap = mem_heap_create(512);
@@ -1300,6 +1372,7 @@ row_create_index_for_mysql(
 	}
 
 	mutex_exit(&(dict_sys->mutex));
+	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
 
 	que_graph_free((que_t*) que_node_get_parent(thr));
 	
@@ -1355,6 +1428,7 @@ row_table_add_foreign_constraints(
 	/* Serialize data dictionary operations with dictionary mutex:
 	no deadlocks can occur then in these operations */
 
+	rw_lock_x_lock(&(dict_foreign_key_check_lock));
 	mutex_enter(&(dict_sys->mutex));
 
 	trx->dict_operation = TRUE;
@@ -1379,6 +1453,7 @@ row_table_add_foreign_constraints(
 	}
 
 	mutex_exit(&(dict_sys->mutex));
+	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
 
 	return((int) err);
 }
@@ -1473,7 +1548,8 @@ loop:
 	        goto already_dropped;
 	}
 
-	if (table->n_mysql_handles_opened > 0) {
+	if (table->n_mysql_handles_opened > 0
+				|| table->n_foreign_key_checks_running > 0) {
 
 		return(n_tables + n_tables_dropped);
 	}
@@ -1722,6 +1798,9 @@ row_drop_table_for_mysql(
 	no deadlocks can occur then in these operations */
 
 	if (!has_dict_mutex) {
+		/* Prevent foreign key checks while we are dropping the table */
+		rw_lock_x_lock(&(dict_foreign_key_check_lock));
+
 		mutex_enter(&(dict_sys->mutex));
 	}
 
@@ -1734,9 +1813,6 @@ row_drop_table_for_mysql(
 
 	graph->fork_type = QUE_FORK_MYSQL_INTERFACE;
 
-	/* Prevent foreign key checks while we are dropping the table */
-	rw_lock_x_lock(&(dict_foreign_key_check_lock));
-
 	/* Prevent purge from running while we are dropping the table */
 	rw_lock_s_lock(&(purge_sys->purge_is_running));
 
@@ -1771,6 +1847,22 @@ row_drop_table_for_mysql(
 		goto funct_exit;
 	}
 
+	if (table->n_foreign_key_checks_running > 0) {
+		
+	        ut_print_timestamp(stderr);
+	        fprintf(stderr,
+		  "  InnoDB: You are trying to drop table %s\n"
+		  "InnoDB: though there are foreign key check running on it.\n"
+		  "InnoDB: Adding the table to the background drop queue.\n",
+		  table->name);
+
+		row_add_table_to_background_drop_list(table);
+
+		err = DB_SUCCESS;
+
+		goto funct_exit;
+	}
+	
 	/* Remove any locks there are on the table or its records */
 	
 	lock_reset_all_on_table(table);
@@ -1798,10 +1890,9 @@ row_drop_table_for_mysql(
 funct_exit:	
 	rw_lock_s_unlock(&(purge_sys->purge_is_running));
 
-	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
-
 	if (!has_dict_mutex) {
 		mutex_exit(&(dict_sys->mutex));
+		rw_lock_x_unlock(&(dict_foreign_key_check_lock));
 	}
 
 	que_graph_free(graph);
@@ -1837,6 +1928,7 @@ row_drop_database_for_mysql(
 	
 	trx_start_if_not_started(trx);
 loop:
+	rw_lock_x_lock(&(dict_foreign_key_check_lock));
 	mutex_enter(&(dict_sys->mutex));
 
 	while ((table_name = dict_get_first_table_name_in_db(name))) {
@@ -1878,6 +1970,7 @@ loop:
 	}
 
 	mutex_exit(&(dict_sys->mutex));
+	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
 	
 	trx_commit_for_mysql(trx);
 
@@ -2014,6 +2107,7 @@ row_rename_table_for_mysql(
 	/* Serialize data dictionary operations with dictionary mutex:
 	no deadlocks can occur then in these operations */
 
+	rw_lock_x_lock(&(dict_foreign_key_check_lock));
 	mutex_enter(&(dict_sys->mutex));
 
 	table = dict_table_get_low(old_name);
@@ -2095,6 +2189,7 @@ row_rename_table_for_mysql(
 	}
 funct_exit:	
 	mutex_exit(&(dict_sys->mutex));
+	rw_lock_x_unlock(&(dict_foreign_key_check_lock));
 
 	que_graph_free(graph);
 	

innobase/row/row0sel.c

@@ -2116,8 +2116,14 @@ row_sel_store_mysql_rec(
 				extern_field_heap = NULL;
  			}
 		} else {
-			mysql_rec[templ->mysql_null_byte_offset] |=
+			if (!templ->mysql_null_bit_mask) {
+				fprintf(stderr,
+"InnoDB: Error: trying to return an SQL NULL field in a non-null\n"
+"innoDB: column! Table name %s\n", prebuilt->table->name);
+			} else {
+				mysql_rec[templ->mysql_null_byte_offset] |=
 					(byte) (templ->mysql_null_bit_mask);
+			}
 		}
 	} 
 }

innobase/row/row0upd.c

@@ -73,8 +73,7 @@ steps of query graph execution. */
 
 /*************************************************************************
 Checks if index currently is mentioned as a referenced index in a foreign
-key constraint. This function also loads into the dictionary cache the
+key constraint. */
-possible referencing table. */
 static
 ibool
 row_upd_index_is_referenced(
@@ -85,44 +84,28 @@ row_upd_index_is_referenced(
 				the referencing table has been dropped when
 				we leave this function: this function is only
 				for heuristic use! */
-	dict_index_t*	index)	/* in: index */
+	dict_index_t*	index,	/* in: index */
+	trx_t*		trx)	/* in: transaction */
 {
-	dict_table_t*	table	= index->table;
+	dict_table_t*	table		= index->table;
 	dict_foreign_t*	foreign;
-	ulint		phase	= 1;
 
-try_again:	
 	if (!UT_LIST_GET_FIRST(table->referenced_list)) {
 
 		return(FALSE);
 	}
 
-	if (phase == 2) {
+	if (!trx->has_dict_foreign_key_check_lock) {
-		mutex_enter(&(dict_sys->mutex));
+		rw_lock_s_lock(&dict_foreign_key_check_lock);
 	}
 
-	rw_lock_s_lock(&dict_foreign_key_check_lock);
-
 	foreign = UT_LIST_GET_FIRST(table->referenced_list);
 
 	while (foreign) {
 		if (foreign->referenced_index == index) {
-			if (foreign->foreign_table == NULL) {
-				if (phase == 2) {
-					dict_table_get_low(foreign->
-							foreign_table_name);
-				} else {
-					phase = 2;
-					rw_lock_s_unlock(
-						&dict_foreign_key_check_lock);
-					goto try_again;
-				}
-			}
 
-			rw_lock_s_unlock(&dict_foreign_key_check_lock);
+			if (!trx->has_dict_foreign_key_check_lock) {
-
+				rw_lock_s_unlock(&dict_foreign_key_check_lock);
-			if (phase == 2) {
-				mutex_exit(&(dict_sys->mutex));
 			}
 
 			return(TRUE);
@@ -131,10 +114,8 @@ try_again:
 		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
 	}
 	
-	rw_lock_s_unlock(&dict_foreign_key_check_lock);
+	if (!trx->has_dict_foreign_key_check_lock) {
-
+		rw_lock_s_unlock(&dict_foreign_key_check_lock);
-	if (phase == 2) {
-		mutex_exit(&(dict_sys->mutex));
 	}
 
 	return(FALSE);
@@ -160,8 +141,17 @@ row_upd_check_references_constraints(
 	dict_foreign_t*	foreign;
 	mem_heap_t*	heap;
 	dtuple_t*	entry;
+	trx_t*		trx;
 	rec_t*		rec;
 	ulint		err;
+	ibool		got_s_lock	= FALSE;
+
+	if (UT_LIST_GET_FIRST(table->referenced_list) == NULL) {
+
+		return(DB_SUCCESS);
+	}
+
+	trx = thr_get_trx(thr);
 
 	rec = btr_pcur_get_rec(pcur);
 
@@ -173,17 +163,61 @@ row_upd_check_references_constraints(
 
 	mtr_start(mtr);	
 	
-	rw_lock_s_lock(&dict_foreign_key_check_lock);	
+	if (!trx->has_dict_foreign_key_check_lock) {
+		got_s_lock = TRUE;
 
+		rw_lock_s_lock(&dict_foreign_key_check_lock);
+
+		trx->has_dict_foreign_key_check_lock = TRUE;
+	}
+		
 	foreign = UT_LIST_GET_FIRST(table->referenced_list);
 
 	while (foreign) {
 		if (foreign->referenced_index == index) {
+			if (foreign->foreign_table == NULL) {
+				dict_table_get(foreign->foreign_table_name,
+									trx);
+			}
 
+			if (foreign->foreign_table) {
+				mutex_enter(&(dict_sys->mutex));
+
+				(foreign->foreign_table
+				->n_foreign_key_checks_running)++;
+
+				mutex_exit(&(dict_sys->mutex));
+			}
+
+			/* NOTE that if the thread ends up waiting for a lock
+			we will release dict_foreign_key_check_lock
+			temporarily! But the counter on the table
+			protects 'foreign' from being dropped while the check
+			is running. */
+			
 			err = row_ins_check_foreign_constraint(FALSE, foreign,
 						table, index, entry, thr);
+
+			if (foreign->foreign_table) {
+				mutex_enter(&(dict_sys->mutex));
+
+				ut_a(foreign->foreign_table
+				->n_foreign_key_checks_running > 0);
+
+				(foreign->foreign_table
+				->n_foreign_key_checks_running)--;
+
+				mutex_exit(&(dict_sys->mutex));
+			}
+
 			if (err != DB_SUCCESS) {
-				rw_lock_s_unlock(&dict_foreign_key_check_lock);	
+				if (got_s_lock) {
+					rw_lock_s_unlock(
+						&dict_foreign_key_check_lock);	
+					trx->has_dict_foreign_key_check_lock
+								= FALSE;
+				}
+
 				mem_heap_free(heap);
 
 				return(err);
@@ -193,7 +227,11 @@ row_upd_check_references_constraints(
 		foreign = UT_LIST_GET_NEXT(referenced_list, foreign);
 	}
 
-	rw_lock_s_unlock(&dict_foreign_key_check_lock);	
+	if (got_s_lock) {
+		rw_lock_s_unlock(&dict_foreign_key_check_lock);	
+		trx->has_dict_foreign_key_check_lock = FALSE;
+	}
+
 	mem_heap_free(heap);
 	
 	return(DB_SUCCESS);
@@ -222,6 +260,9 @@ upd_node_create(
 	node->index = NULL;
 	node->update = NULL;
 	
+	node->cascade_heap = NULL;
+	node->cascade_node = NULL;
+	
 	node->select = NULL;
 	
 	node->heap = mem_heap_create(128);
@@ -1027,7 +1068,7 @@ row_upd_sec_index_entry(
 	
 	index = node->index;
 	
-	check_ref = row_upd_index_is_referenced(index);
+	check_ref = row_upd_index_is_referenced(index, thr_get_trx(thr));
 
 	heap = mem_heap_create(1024);
 
@@ -1391,7 +1432,7 @@ row_upd_clust_step(
 	
 	index = dict_table_get_first_index(node->table);
 
-	check_ref = row_upd_index_is_referenced(index);
+	check_ref = row_upd_index_is_referenced(index, thr_get_trx(thr));
 
 	pcur = node->pcur;
 

innobase/srv/srv0srv.c

@@ -2026,15 +2026,18 @@ srv_suspend_mysql_thread(
 /*=====================*/
 				/* out: TRUE if the lock wait timeout was
 				exceeded */
-	que_thr_t*	thr)	/* in: query thread associated with
+	que_thr_t*	thr)	/* in: query thread associated with the MySQL
-				the MySQL OS thread */
+				OS thread */
 {
 	srv_slot_t*	slot;
 	os_event_t	event;
 	double		wait_time;
-
+	trx_t*		trx;
+	
 	ut_ad(!mutex_own(&kernel_mutex));
 
+	trx = thr_get_trx(thr);
+	
 	os_event_set(srv_lock_timeout_thread_event);
 
 	mutex_enter(&kernel_mutex);
@@ -2070,10 +2073,21 @@ srv_suspend_mysql_thread(
 	
 	srv_conc_force_exit_innodb(thr_get_trx(thr));
 
+	/* Release possible foreign key check latch */
+	if (trx->has_dict_foreign_key_check_lock) {
+
+		rw_lock_s_unlock(&dict_foreign_key_check_lock);
+	}
+
 	/* Wait for the release */
 	
 	os_event_wait(event);
 
+	if (trx->has_dict_foreign_key_check_lock) {
+
+		rw_lock_s_lock(&dict_foreign_key_check_lock);
+	}
+
 	/* Return back inside InnoDB */
 	
 	srv_conc_force_enter_innodb(thr_get_trx(thr));

innobase/sync/sync0sync.c

@@ -220,7 +220,7 @@ mutex_create_func(
 	char*		cfile_name,	/* in: file name where created */
 	ulint		cline)		/* in: file line where created */
 {
-#ifdef _WIN32
+#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) 
 	mutex_reset_lock_word(mutex);
 #else	
 	os_fast_mutex_init(&(mutex->os_fast_mutex));
@@ -273,7 +273,7 @@ mutex_free(
 
 	mutex_exit(&mutex_list_mutex);
 
-#ifndef _WIN32
+#if !defined(_WIN32) || !defined(UNIV_CAN_USE_X86_ASSEMBLER) 
 	os_fast_mutex_free(&(mutex->os_fast_mutex));
 #endif
 	/* If we free the mutex protecting the mutex list (freeing is
@@ -1009,7 +1009,7 @@ sync_thread_add_level(
 	} else if (level == SYNC_ANY_LATCH) {
 		ut_a(sync_thread_levels_g(array, SYNC_ANY_LATCH));
 	} else if (level == SYNC_TRX_SYS_HEADER) {
-		ut_a(sync_thread_levels_contain(array, SYNC_KERNEL));
+		ut_a(sync_thread_levels_g(array, SYNC_TRX_SYS_HEADER));
 	} else if (level == SYNC_DOUBLEWRITE) {
 		ut_a(sync_thread_levels_g(array, SYNC_DOUBLEWRITE));
 	} else if (level == SYNC_BUF_BLOCK) {

innobase/trx/trx0sys.c

@@ -438,7 +438,6 @@ trx_sys_update_mysql_binlog_offset(
 	trx_sysf_t*	sys_header;
 	char		namebuf[TRX_SYS_MYSQL_LOG_NAME_LEN];
 	
-	ut_ad(mutex_own(&kernel_mutex));
 	ut_ad(trx->mysql_log_file_name);
 
 	memset(namebuf, ' ', TRX_SYS_MYSQL_LOG_NAME_LEN - 1);
@@ -524,7 +523,7 @@ trx_sys_print_mysql_binlog_offset(void)
 	}
 
 	fprintf(stderr,
-	"InnoDB: Last MySQL binlog file offset %lu %lu, file name %s\n",
+	"InnoDB: Last MySQL binlog file position %lu %lu, file name %s\n",
 		mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO
 					+ TRX_SYS_MYSQL_LOG_OFFSET_HIGH),
 		mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO

innobase/trx/trx0trx.c

@@ -71,6 +71,9 @@ trx_create(
 	trx->type = TRX_USER;
 	trx->conc_state = TRX_NOT_STARTED;
 
+	trx->check_foreigns = TRUE;
+	trx->check_unique_secondary = TRUE;
+
 	trx->dict_operation = FALSE;
 
 	trx->mysql_thd = NULL;
@@ -113,6 +116,7 @@ trx_create(
 	trx->lock_heap = mem_heap_create_in_buffer(256);
 	UT_LIST_INIT(trx->trx_locks);
 
+	trx->has_dict_foreign_key_check_lock = FALSE;
 	trx->has_search_latch = FALSE;
 	trx->search_latch_timeout = BTR_SEA_TIMEOUT;
 
@@ -703,8 +707,7 @@ trx_commit_off_kernel(
 
 		/*-------------------------------------*/
 
-		/* Only in some performance tests the variable srv_flush..
+		/* Most MySQL users run with srv_flush.. set to FALSE: */
-		will be set to FALSE: */
 
 		if (srv_flush_log_at_trx_commit) {
 		

libmysql/libmysql.c

@@ -698,7 +698,7 @@ static const char *default_options[]=
   "port","socket","compress","password","pipe", "timeout", "user",
   "init-command", "host", "database", "debug", "return-found-rows",
   "ssl-key" ,"ssl-cert" ,"ssl-ca" ,"ssl-capath",
-  "character-set-dir", "default-character-set", "interactive-timeout",
+  "character-sets-dir", "default-character-set", "interactive-timeout",
   "connect-timeout", "local-infile", "disable-local-infile",
   "replication-probe", "enable-reads-from-master", "repl-parse-query",
   "ssl-cipher",

myisam/ft_boolean_search.c

@@ -264,7 +264,8 @@ FT_INFO * ft_init_boolean_search(MI_INFO *info, uint keynr, byte *query,
   ftbe->weight=1;
   ftbe->flags=FTB_FLAG_YES;
   ftbe->nos=1;
-  ftbe->quot=ftbe->up=0;
+  ftbe->quot=0;
+  ftbe->up=0;
   ftbe->ythresh=ftbe->yweaks=0;
   ftbe->docid[0]=ftbe->docid[1]=HA_POS_ERROR;
   ftb->root=ftbe;
@@ -288,12 +289,14 @@ int _ftb_strstr(const byte *s0, const byte *e0,
 
   while (s0 < e0)
   {
-    while (s0 < e0 && cs->to_upper[*s0++] != cs->to_upper[*s1])
+    while (s0 < e0 && cs->to_upper[(uint) (uchar) *s0++] !=
+	   cs->to_upper[(uint) (uchar) *s1])
       /* no-op */;
     if (s0 >= e0)
       return 0;
     p=s1+1;
-    while (s0 < e0 && p < e1 && cs->to_upper[*s0++] == cs->to_upper[*p++])
+    while (s0 < e0 && p < e1 && cs->to_upper[(uint) (uchar) *s0++] ==
+	   cs->to_upper[(uint) (uchar) *p++])
       /* no-op */;
     if (p >= e1)
       return 1;

myisam/myisampack.c

@@ -240,7 +240,6 @@ static struct option long_options[] =
   {"force",	no_argument,	   0, 'f'},
   {"join",	required_argument, 0, 'j'},
   {"help",	no_argument,	   0, '?'},
-  {"packlength",required_argument, 0, 'p'},
   {"silent",	no_argument,	   0, 's'},
   {"tmpdir",	required_argument, 0, 'T'},
   {"test",	no_argument,	   0, 't'},
@@ -252,7 +251,7 @@ static struct option long_options[] =
 
 static void print_version(void)
 {
-  printf("%s  Ver 1.12 for %s on %s\n",my_progname,SYSTEM_TYPE,MACHINE_TYPE);
+  printf("%s  Ver 1.13 for %s on %s\n",my_progname,SYSTEM_TYPE,MACHINE_TYPE);
 }
 
 static void usage(void)

mysql-test/mysql-test-run.sh

@@ -874,6 +874,7 @@ start_slave()
           --report-host=127.0.0.1 --report-user=root \
           --report-port=$slave_port \
           --master-retry-count=5 \
+          -O slave_net_timeout=10 \
            $SMALL_SERVER \
            $EXTRA_SLAVE_OPT $EXTRA_SLAVE_MYSQLD_OPT"
   CUR_MYERR=$slave_err

mysql-test/r/func_if.result

@@ -0,0 +1,48 @@
+drop table if exists t1;
+select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
+IF(0,"ERROR","this")	IF(1,"is","ERROR")	IF(NULL,"ERROR","a")	IF(1,2,3)|0	IF(1,2.0,3.0)+0
+this	is	a	2	2.0
+CREATE TABLE t1 (st varchar(255) NOT NULL, u int(11) NOT NULL) TYPE=MyISAM;
+INSERT INTO t1 VALUES ('a',1),('A',1),('aa',1),('AA',1),('a',1),('aaa',0),('BBB',0);
+select if(1,st,st) s from t1 order by s;
+s
+a
+A
+a
+aa
+AA
+aaa
+BBB
+select if(u=1,st,st) s from t1 order by s;
+s
+a
+A
+a
+aa
+AA
+aaa
+BBB
+select if(u=1,binary st,st) s from t1 order by s;
+s
+A
+AA
+BBB
+a
+a
+aa
+aaa
+select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
+s
+A
+AA
+a
+a
+aa
+aaa
+drop table t1;
+create table t1 (num  double(12,2));
+insert into t1 values (144.54);
+select sum(if(num is null,0.00,num)) from t1;
+sum(if(num is null,0.00,num))
+144.54
+drop table t1;

mysql-test/r/func_test.result

@@ -28,9 +28,6 @@ select "aba" regexp concat("^","a");
 select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0;
 !0	NOT 0=1	!(0=0)	1 AND 1	1 && 0	0 OR 1	1 || NULL	1=1 or 1=1 and 1=0
 1	1	0	1	0	1	1	1
-select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
-IF(0,"ERROR","this")	IF(1,"is","ERROR")	IF(NULL,"ERROR","a")	IF(1,2,3)|0	IF(1,2.0,3.0)+0
-this	is	a	2	2.0
 select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3;
 2 between 1 and 3	"monty" between "max" and "my"	2=2 and "monty" between "max" and "my" and 3=3
 1	1	1
@@ -52,10 +49,3 @@ select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1;
 select 1 and 0 or 2, 2 or 1 and 0;
 1 and 0 or 2	2 or 1 and 0
 1	1
-drop table if exists t1;
-create table t1 (num  double(12,2));
-insert into t1 values (144.54);
-select sum(if(num is null,0.00,num)) from t1;
-sum(if(num is null,0.00,num))
-144.54
-drop table t1;

mysql-test/r/identity.result

@@ -1,6 +0,0 @@
-select last_insert_id(345);
-last_insert_id(345)
-345
-select @@IDENTITY,last_insert_id();
-@@IDENTITY	last_insert_id()
-345	345

mysql-test/r/innodb.result

@@ -170,7 +170,7 @@ show keys from t1;
 Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
 t1	0	PRIMARY	1	id	A	87	NULL	NULL		BTREE	
 t1	1	parent_id	1	parent_id	A	43	NULL	NULL		BTREE	
-t1	1	level	1	level	A	8	NULL	NULL		BTREE	
+t1	1	level	1	level	A	6	NULL	NULL		BTREE	
 drop table t1;
 CREATE TABLE t1 (
 gesuchnr int(11) DEFAULT '0' NOT NULL,

mysql-test/r/show_check.result

@@ -37,6 +37,9 @@ drop table t1;
 show variables like "wait_timeout%";
 Variable_name	Value
 wait_timeout	28800
+show variables like "WAIT_timeout%";
+Variable_name	Value
+wait_timeout	28800
 show variables like "this_doesn't_exists%";
 Variable_name	Value
 show table status from test like "this_doesn't_exists%";

mysql-test/r/variables.result

@@ -44,3 +44,17 @@ c_id	c_name	c_country
 1	Bozo	USA
 4	Mr. Floppy	GB
 drop table t1;
+select @@VERSION=version();
+@@VERSION=version()
+1
+select last_insert_id(345);
+last_insert_id(345)
+345
+select @@IDENTITY,last_insert_id();
+@@IDENTITY	last_insert_id()
+345	345
+select @@identity;
+@@IDENTITY
+345
+select @@unknown_variable;
+Unknown system variable 'unknown_variable'

mysql-test/t/func_if.test

@@ -0,0 +1,30 @@
+#
+# Init section
+#
+drop table if exists t1;
+
+#
+# Simple IF tests
+#
+
+select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
+
+#
+# Test of IF and case-sensitiveness
+#
+CREATE TABLE t1 (st varchar(255) NOT NULL, u int(11) NOT NULL) TYPE=MyISAM;
+INSERT INTO t1 VALUES ('a',1),('A',1),('aa',1),('AA',1),('a',1),('aaa',0),('BBB',0);
+select if(1,st,st) s from t1 order by s;
+select if(u=1,st,st) s from t1 order by s;
+select if(u=1,binary st,st) s from t1 order by s;
+select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
+drop table t1;
+
+#
+# Problem with IF()
+#
+
+create table t1 (num  double(12,2));
+insert into t1 values (144.54);
+select sum(if(num is null,0.00,num)) from t1;
+drop table t1;

mysql-test/t/func_test.test

@@ -11,7 +11,6 @@ select 'abc' like '%c','abcabc' like '%c',  "ab" like "", "ab" like "a", "ab" li
 select "Det här är svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$";
 select "aba" regexp concat("^","a");
 select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0;
-select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
 select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3;
 select 'b' between 'a' and 'c', 'B' between 'a' and 'c';
 select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
@@ -24,13 +23,3 @@ select -1.49 or -1.49,0.6 or 0.6;
 select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
 select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1;
 select 1 and 0 or 2, 2 or 1 and 0;
-
-#
-# Problem with IF()
-#
-
-drop table if exists t1;
-create table t1 (num  double(12,2));
-insert into t1 values (144.54);
-select sum(if(num is null,0.00,num)) from t1;
-drop table t1;

mysql-test/t/identity.test

@@ -1,2 +0,0 @@
-select last_insert_id(345);
-select @@IDENTITY,last_insert_id();

mysql-test/t/show_check.test

@@ -20,6 +20,7 @@ drop table t1;
 
 #show variables;
 show variables like "wait_timeout%";
+show variables like "WAIT_timeout%";
 show variables like "this_doesn't_exists%";
 show table status from test like "this_doesn't_exists%";
 show databases;

mysql-test/t/variables.test

@@ -27,3 +27,14 @@ SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid OR c_id=666;
 ALTER TABLE t1 DROP PRIMARY KEY;
 select * from t1 where c_id=@min_cid OR c_id=@max_cid;
 drop table t1;
+
+#
+# Test system variables
+#
+
+select @@VERSION=version();
+select last_insert_id(345);
+select @@IDENTITY,last_insert_id();
+select @@identity;
+--error 1193
+select @@unknown_variable;

mysys/my_pthread.c

@@ -410,9 +410,23 @@ int my_pthread_cond_init(pthread_cond_t *mp, const pthread_condattr_t *attr)
 
 #endif
 
+/* Change functions on HP to work according to POSIX */
+
+#ifdef HAVE_BROKEN_PTHREAD_COND_TIMEDWAIT
+#undef pthread_cond_timedwait
+
+int my_pthread_cond_timedwait(pthread_cond_t *cond,
+			      pthread_mutex_t *mutex,
+			      struct timespec *abstime)
+{
+  int error=pthread_cond_timedwait(cond,mutex,abstime);
+  return error == EAGAIN ? ETIMEDOUT : error;
+}
+#endif /* HAVE_BROKEN_PTHREAD_COND_TIMEDWAIT */
+
 /*
-** Emulate SOLARIS style calls, not because it's better, but just to make the
+  Emulate SOLARIS style calls, not because it's better, but just to make the
-** usage of getbostbyname_r simpler.
+  usage of getbostbyname_r simpler.
 */
 
 #if !defined(my_gethostbyname_r) && defined(HAVE_GETHOSTBYNAME_R)

mysys/my_thr_init.c

@@ -105,7 +105,7 @@ static long thread_id=0;
 my_bool my_thread_init(void)
 {
   struct st_my_thread_var *tmp;
-#ifdef EXTRA_DEBUG
+#ifdef EXTRA_DEBUG_THREADS
   fprintf(stderr,"my_thread_init(): thread_id=%ld\n",pthread_self());
 #endif  
 #if !defined(__WIN__) || defined(USE_TLS) || ! defined(SAFE_MUTEX)
@@ -152,7 +152,7 @@ end:
 void my_thread_end(void)
 {
   struct st_my_thread_var *tmp=my_thread_var;
-#ifdef EXTRA_DEBUG
+#ifdef EXTRA_DEBUG_THREADS
   fprintf(stderr,"my_thread_end(): tmp=%p,thread_id=%ld\n",
 	  tmp,pthread_self());
 #endif  

sql-bench/limits/mysql.cfg

@@ -29,7 +29,7 @@ columns_in_order_by=+64			# number of columns in order by
 comment_#=yes				# # as comment
 comment_--=yes				# -- as comment (ANSI)
 comment_/**/=yes			# /* */ as comment
-comment_//=no				# // as comment (ANSI)
+comment_//=no				# // as comment
 compute=no				# Compute
 connections=101				# Simultaneous connections (installation default)
 constraint_check=no			# Column constraints
@@ -62,6 +62,7 @@ except=no				# except
 except_all=no				# except all
 except_all_incompat=no			# except all (incompatible lists)
 except_incompat=no			# except (incompatible lists)
+field_name_case=yes			# case independent field names
 float_int_expr=yes			# mixing of integer and float in expression
 foreign_key=no				# foreign keys
 foreign_key_syntax=yes			# foreign key syntax
@@ -228,10 +229,10 @@ func_odbc_timestampdiff=no		# Function TIMESTAMPDIFF
 func_odbc_truncate=yes			# Function TRUNCATE
 func_odbc_ucase=yes			# Function UCASE
 func_odbc_user()=yes			# Function USER()
-func_odbc_week=yes			# Function WEEK
+func_odbc_week=error			# Function WEEK
 func_odbc_year=yes			# Function YEAR
 func_sql_+=yes				# Function +, -, * and /
-func_sql_bit_length=no			# Function BIT_LENGTH
+func_sql_bit_length=yes			# Function BIT_LENGTH
 func_sql_cast=no			# Function CAST
 func_sql_char_length=error		# Function CHAR_LENGTH
 func_sql_char_length(constant)=yes	# Function CHAR_LENGTH(constant)
@@ -299,13 +300,14 @@ group_func_sql_min_str=yes		# Group function MIN on strings
 group_func_sql_some=no			# Group function SOME
 group_func_sql_sum=yes			# Group function SUM
 group_functions=yes			# Group functions
+group_many_distinct_functions=yes	# Group functions with several distinct
 group_on_unused=yes			# Group on unused column
 has_true_false=no			# TRUE and FALSE
 having=yes				# Having
 having_with_alias=yes			# Having on alias
 having_with_group=yes			# Having with group function
 hex_numbers=yes				# hex numbers (0x41)
-hex_strings=no				# hex strings (x'1ace')
+hex_strings=yes				# hex strings (x'1ace')
 ignore_end_space=yes			# Ignore end space in compare
 index_in_create=yes			# index in create table
 index_namespace=yes			# different namespace for index
@@ -319,7 +321,7 @@ intersect=no				# intersect
 intersect_all=no			# intersect all
 intersect_all_incompat=no		# intersect all (incompatible lists)
 intersect_incompat=no			# intersect (incompatible lists)
-join_tables=63				# tables in join
+join_tables=31				# tables in join
 left_outer_join=yes			# left outer join
 left_outer_join_using=yes		# left outer join using
 like_with_column=yes			# column LIKE column
@@ -331,7 +333,7 @@ max_char_size=255			# max char() size
 max_column_name=64			# column name length
 max_columns=3398			# Columns in table
 max_conditions=85660			# OR and AND in WHERE
-max_expressions=1837			# simple expressions
+max_expressions=856			# simple expressions
 max_index=32				# max index
 max_index_length=500			# index length
 max_index_name=64			# index name length
@@ -341,7 +343,7 @@ max_index_varchar_part_length=255	# index varchar part length
 max_row_length=65534			# max table row length (without blobs)
 max_row_length_with_null=65502		# table row length with nulls (without blobs)
 max_select_alias_name=+512		# select alias name length
-max_stack_expression=1837		# stacked expressions
+max_stack_expression=856		# stacked expressions
 max_table_alias_name=+512		# table alias name length
 max_table_name=64			# table name length
 max_text_size=1048543			# max text or blob size
@@ -353,8 +355,8 @@ minus_neg=yes				# Calculate 1--1
 multi_drop=yes				# many tables to drop table
 multi_null_in_unique=yes		# null in unique index
 multi_strings=yes			# Multiple line strings
-multi_table_delete=no			# DELETE FROM table1,table2...
+multi_table_delete=yes			# DELETE FROM table1,table2...
-multi_table_update=no			# Update with many tables
+multi_table_update=yes			# Update with many tables
 natural_join=yes			# natural join
 natural_join_incompat=yes		# natural join (incompatible lists)
 natural_left_outer_join=yes		# natural left outer join
@@ -365,7 +367,7 @@ null_in_unique=yes			# null in unique index
 null_num_expr=yes			# Is 1+NULL = NULL
 nulls_in_unique=yes			# null combination in unique index
 odbc_left_outer_join=yes		# left outer join odbc style
-operating_system=Linux 2.2.13-SMP alpha	# crash-me tested on
+operating_system=Linux 2.4.16-64GB-SMP i686	# crash-me tested on
 order_by=yes				# Order by
 order_by_alias=yes			# Order by alias
 order_by_function=yes			# Order by function
@@ -385,7 +387,7 @@ quote_with_"=yes			# Allows ' and " as string markers
 remember_end_space=no			# Remembers end space in char()
 remember_end_space_varchar=no		# Remembers end space in varchar()
 rename_table=yes			# rename table
-repeat_string_size=1047552		# return string size from function
+repeat_string_size=1048576		# return string size from function
 right_outer_join=yes			# right outer join
 rowid=auto_increment			# Type for row id
 select_constants=yes			# Select constants
@@ -394,7 +396,7 @@ select_limit2=yes			# SELECT with LIMIT #,#
 select_string_size=1048565		# constant string size in SELECT
 select_table_update=no			# Update with sub select
 select_without_from=yes			# SELECT without FROM
-server_version=MySQL 3.23.39 debug	# server version
+server_version=MySQL 4.0.2 alpha debug	# server version
 simple_joins=yes			# ANSI SQL simple joins
 storage_of_float=round			# Storage of float values
 subqueries=no				# subqueries
@@ -402,7 +404,7 @@ table_alias=yes				# Table alias
 table_name_case=no			# case independent table names
 table_wildcard=yes			# Select table_name.*
 temporary_table=yes			# temporary tables
-transactions=yes			# constant string size in where
+transactions=yes			# transactions
 truncate_table=yes			# truncate
 type_extra_abstime=no			# Type abstime
 type_extra_bfile=no			# Type bfile
@@ -512,12 +514,11 @@ type_sql_time=yes			# Type time
 type_sql_timestamp=yes			# Type timestamp
 type_sql_timestamp_with_time_zone=no	# Type timestamp with time zone
 type_sql_varchar(1_arg)=yes		# Type varchar(1 arg)
-union=no				# union
+union=yes				# union
-union_all=no				# union all
+union_all=yes				# union all
-union_all_incompat=no			# union all (incompatible lists)
+union_all_incompat=yes			# union all (incompatible lists)
-union_incompat=no			# union (incompatible lists)
+union_incompat=yes			# union (incompatible lists)
 unique_in_create=yes			# unique in create table
 unique_null_in_create=yes		# unique null in create
-user_comment=Alpha DS20 2x500 MHz, 2G memory, key_buffer=16M; ccc + cxx	# comment
 views=no				# views
 where_string_size=1048539		# constant string size in where

sql/item_cmpfunc.cc

@@ -490,8 +490,12 @@ Item_func_if::fix_length_and_dec()
   decimals=max(args[1]->decimals,args[2]->decimals);
   enum Item_result arg1_type=args[1]->result_type();
   enum Item_result arg2_type=args[2]->result_type();
+  binary=1;
   if (arg1_type == STRING_RESULT || arg2_type == STRING_RESULT)
+  {
     cached_result_type = STRING_RESULT;
+    binary=args[1]->binary | args[2]->binary;
+  }
   else if (arg1_type == REAL_RESULT || arg2_type == REAL_RESULT)
     cached_result_type = REAL_RESULT;
   else

sql/item_func.cc

@@ -59,7 +59,7 @@ bool
 Item_func::fix_fields(THD *thd,TABLE_LIST *tables)
 {
   Item **arg,**arg_end;
-  char buff[sizeof(double)];			// Max argument in function
+  char buff[STACK_BUFF_ALLOC];			// Max argument in function
   binary=0;
   used_tables_cache=0;
   const_item_cache=1;
@@ -1087,7 +1087,7 @@ bool
 udf_handler::fix_fields(THD *thd,TABLE_LIST *tables,Item_result_field *func,
 			uint arg_count, Item **arguments)
 {
-  char buff[sizeof(double)];			// Max argument in function
+  char buff[STACK_BUFF_ALLOC];			// Max argument in function
   DBUG_ENTER("Item_udf_func::fix_fields");
 
   if (thd)
@@ -1607,7 +1607,7 @@ longlong Item_func_get_lock::val_int()
   set_timespec(abstime,timeout);
   while (!thd->killed &&
 	 (error=pthread_cond_timedwait(&ull->cond,&LOCK_user_locks,&abstime))
-	 != ETIME && error != ETIMEDOUT && ull->locked) ;
+	 != ETIME && error != ETIMEDOUT && error != EINVAL && ull->locked) ;
   if (thd->killed)
     error=EINTR;				// Return NULL
   if (ull->locked)
@@ -2248,9 +2248,12 @@ double Item_func_match::val()
 
 Item *get_system_var(LEX_STRING name)
 {
-  if (!strcmp(name.str,"IDENTITY"))
+  if (!my_strcasecmp(name.str,"IDENTITY"))
     return new Item_int((char*) "@@IDENTITY",
 			current_thd->insert_id(),21);
-  my_error(ER_UNKNOWN_SYSTEM_VARIABLE,MYF(0),name);
+  if (!my_strcasecmp(name.str,"VERSION"))
+    return new Item_string("@@VERSION",server_version,
+			   (uint) strlen(server_version));
+  net_printf(&current_thd->net, ER_UNKNOWN_SYSTEM_VARIABLE, name.str);
   return 0;
 }

sql/mysql_priv.h

@@ -75,22 +75,30 @@ char* query_table_status(THD *thd,const char *db,const char *table_name);
 #define MAX_FIELDS_BEFORE_HASH	32
 #define USER_VARS_HASH_SIZE     16
 #define STACK_MIN_SIZE		8192	// Abort if less stack during eval.
+#define STACK_BUFF_ALLOC	32	// For stack overrun checks
 #ifndef MYSQLD_NET_RETRY_COUNT
 #define MYSQLD_NET_RETRY_COUNT  10	// Abort read after this many int.
 #endif
 #define TEMP_POOL_SIZE          128
-/* The following parameters is to decide when to use an extra cache to
+/*
-   optimise seeks when reading a big table in sorted order */
+  The following parameters is to decide when to use an extra cache to
+   optimise seeks when reading a big table in sorted order
+*/
 #define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (16L*1024*1024)
 #define MIN_ROWS_TO_USE_TABLE_CACHE	 100
 
-// The following is used to decide if MySQL should use table scanning
+/*
-// instead of reading with keys.  The number says how many evaluation of the
+  The following is used to decide if MySQL should use table scanning
-// WHERE clause is comparable to reading one extra row from a table.
+  instead of reading with keys.  The number says how many evaluation of the
+  WHERE clause is comparable to reading one extra row from a table.
+*/
 #define TIME_FOR_COMPARE   5	// 5 compares == one read
-// Number of rows in a reference table when refereed through a not unique key.
+
-// This value is only used when we don't know anything about the key
+/*
-// distribution.
+  Number of rows in a reference table when refereed through a not unique key.
+  This value is only used when we don't know anything about the key
+  distribution.
+*/
 #define MATCHING_ROWS_IN_OTHER_TABLE 10
 
 /* Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used) */

sql/mysqld.cc

@@ -101,6 +101,16 @@ extern "C" {					// Because of SCO 3.2V4.2
 #endif /* NEED_SYS_SYSLOG_H */
 int allow_severity = LOG_INFO;
 int deny_severity = LOG_WARNING;
+
+#ifdef __linux__
+#define my_fromhost(A)	   fromhost()
+#define my_hosts_access(A) hosts_access()
+#define my_eval_client(A)  eval_client()
+#else
+#define my_fromhost(A)	   fromhost(A)
+#define my_hosts_access(A) hosts_access(A)
+#define my_eval_client(A)  eval_client(A)
+#endif
 #endif /* HAVE_LIBWRAP */
 
 #ifdef HAVE_SYS_MMAN_H
@@ -984,24 +994,22 @@ static void server_init(void)
     IPaddr.sin_addr.s_addr = my_bind_addr;
     IPaddr.sin_port = (unsigned short) htons((unsigned short) mysql_port);
     (void) setsockopt(ip_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg,sizeof(arg));
-    for(;;)
+    if (bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr),
+	     sizeof(IPaddr)) < 0)
     {
-      if (bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr),
-	       sizeof(IPaddr)) >= 0)
-	break;
       DBUG_PRINT("error",("Got error: %d from bind",socket_errno));
-      sql_perror("Can't start server: Bind on TCP/IP port");/* Had a loop here */
+      sql_perror("Can't start server: Bind on TCP/IP port");
       sql_print_error("Do you already have another mysqld server running on port: %d ?",mysql_port);
       unireg_abort(1);
     }
     if (listen(ip_sock,(int) back_log) < 0)
     {
+      sql_perror("Can't start server: listen() on TCP/IP port");
       sql_print_error("Error:  listen() on TCP/IP failed with error %d",
 		      socket_errno);
       unireg_abort(1);
     }
   }
-
   if (mysqld_chroot)
     set_root(mysqld_chroot);
   set_user(mysqld_user);		// Works also with mysqld_user==NULL
@@ -2332,7 +2340,6 @@ static void create_new_thread(THD *thd)
     if (cached_thread_count > wake_thread)
     {
       start_cached_thread(thd);
-      (void) pthread_mutex_unlock(&LOCK_thread_count);
     }
     else
     {
@@ -2359,9 +2366,9 @@ static void create_new_thread(THD *thd)
 	(void) pthread_mutex_unlock(&LOCK_thread_count);
 	DBUG_VOID_RETURN;
       }
-
-      (void) pthread_mutex_unlock(&LOCK_thread_count);
     }
+    (void) pthread_mutex_unlock(&LOCK_thread_count);
+
   }
   DBUG_PRINT("info",("Thread created"));
   DBUG_VOID_RETURN;
@@ -2505,24 +2512,16 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
 	struct request_info req;
 	signal(SIGCHLD, SIG_DFL);
 	request_init(&req, RQ_DAEMON, libwrapName, RQ_FILE, new_sock, NULL);
-#ifndef __linux__
+	my_fromhost(&req);
-	fromhost(&req);
+	if (!my_hosts_access(&req))
-	if (!hosts_access(&req))
 	{
 	  /*
 	    This may be stupid but refuse() includes an exit(0)
 	    which we surely don't want...
 	    clean_exit() - same stupid thing ...
 	  */
-	  syslog(deny_severity, "refused connect from %s", eval_client(&req));
+	  syslog(deny_severity, "refused connect from %s",
-#else
+		 my_eval_client(&req));
-	fromhost();
-	if (!hosts_access())
-	{
-	  syslog(deny_severity, "refused connect from %s", eval_client());
-#endif
-	  if (req.sink)
-	    ((void (*)(int))req.sink)(req.fd);
 
 	  /*
 	    C++ sucks (the gibberish in front just translates the supplied
@@ -2530,7 +2529,10 @@ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
 	    to a void(*sink)(int) if you omit the cast, the C++ compiler
 	    will cry...
 	  */
-	  (void) shutdown(new_sock,2);  // This looks fine to me...
+	  if (req.sink)
+	    ((void (*)(int))req.sink)(req.fd);
+
+	  (void) shutdown(new_sock,2);
 	  (void) closesocket(new_sock);
 	  continue;
 	}

sql/share/czech/errmsg.txt

@@ -203,7 +203,7 @@
 "S-Bíťová chyba při zápisu na master",
 "-BŽádný sloupec nemá vytvořen fulltextový index",
 "Nemohu prov-Bést zadaný příkaz, protože existují aktivní zamčené tabulky nebo aktivní transakce",
-"Nezn-Bámá systémová proměnná '%-.64'",
+"Nezn-Bámá systémová proměnná '%-.64s'",
 "Tabulka '%-.64s' je ozna-Bčena jako porušená a měla by být opravena",
 "Tabulka '%-.64s' je ozna-Bčena jako porušená a poslední (automatická?) oprava se nezdařila",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/danish/errmsg.txt

@@ -197,7 +197,7 @@
 "Netværksfejl ved skrivning til master",
 "Kan ikke finde en FULLTEXT nøgle som svarer til kolonne listen",
 "Kan ikke udføre den givne kommando fordi der findes aktive, låste tabeller eller fordi der udføres en transaktion",
-"Ukendt systemvariabel '%-.64'",
+"Ukendt systemvariabel '%-.64s'",
 "Tabellen '%-.64s' er markeret med fejl og bør repareres",
 "Tabellen '%-.64s' er markeret med fejl og sidste (automatiske?) REPAIR fejlede",
 "Advarsel: Visse data i tabeller der ikke understøtter transaktioner kunne ikke tilbagestilles",

sql/share/dutch/errmsg.txt

@@ -202,7 +202,7 @@
 "Net fout tijdens schrijven naar master",
 "Kan geen FULLTEXT index vinden passend bij de kolom lijst",
 "Kan het gegeven commando niet uitvoeren, want u heeft actieve gelockte tabellen of een actieve transactie",
-"Onbekende systeem variabele '%-.64'",
+"Onbekende systeem variabele '%-.64s'",
 "Tabel '%-.64s' staat als gecrashed gemarkeerd en dient te worden gerepareerd",
 "Tabel '%-.64s' staat als gecrashed gemarkeerd en de laatste (automatische?) reparatie poging mislukte",
 "Waarschuwing: Roll back mislukt voor sommige buiten transacties gewijzigde tabellen",

sql/share/english/errmsg.txt

@@ -194,7 +194,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/estonian/errmsg.txt

@@ -199,7 +199,7 @@
 "Net error writing to master",
 "Ei suutnud leida FULLTEXT indeksit, mis kattuks kasutatud tulpadega",
 "Ei suuda täita antud käsku kuna on aktiivseid lukke või käimasolev transaktsioon",
-"Tundmatu süsteemne muutuja '%-.64'",
+"Tundmatu süsteemne muutuja '%-.64s'",
 "Tabel '%-.64s' on märgitud vigaseks ja tuleb parandada",
 "Tabel '%-.64s' on märgitud vigaseks ja viimane (automaatne?) parandus ebaõnnestus",
 "Hoiatus: mõnesid transaktsioone mittetoetavaid tabeleid ei suudetud tagasi kerida",

sql/share/french/errmsg.txt

@@ -194,7 +194,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/german/errmsg.txt

@@ -197,7 +197,7 @@
 "Netzfehler beim Schreiben zum Master",
 "Kann keinen FULLTEXT-Index finden der der Spaltenliste entspricht",
 "Kann das aktuelle Kommando wegen aktiver Tabellensperre oder aktiver Transaktion nicht ausführen",
-"Unbekannte System-Variabel '%-.64'",
+"Unbekannte System-Variabel '%-.64s'",
 "Tabelle '%-.64s' ist als defekt makiert und sollte repariert werden",
 "Tabelle '%-.64s' ist als defekt makiert und der letzte (automatische) Reparaturversuch schlug fehl.",
 "Warnung:  Das Rollback konnte bei einigen Tabellen, die nicht mittels Transaktionen geändert wurden, nicht ausgeführt werden.",

sql/share/greek/errmsg.txt

@@ -194,7 +194,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/hungarian/errmsg.txt

@@ -196,7 +196,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/italian/errmsg.txt

@@ -194,7 +194,7 @@
 "Errore di rete durante l'invio al master",
 "Impossibile trovare un indice FULLTEXT che corrisponda all'elenco delle colonne",
 "Impossibile eseguire il comando richiesto: tabelle sotto lock o transazione in atto",
-"Variabile di sistema '%-.64' sconosciuta",
+"Variabile di sistema '%-.64s' sconosciuta",
 "La tabella '%-.64s' e` segnalata come corrotta e deve essere riparata",
 "La tabella '%-.64s' e` segnalata come corrotta e l'ultima ricostruzione (automatica?) e` fallita",
 "Attenzione: Alcune delle modifiche alle tabelle non transazionali non possono essere ripristinate (roll back impossibile)",

sql/share/japanese/errmsg.txt

@@ -196,7 +196,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/korean/errmsg.txt

@@ -194,7 +194,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/norwegian-ny/errmsg.txt

@@ -196,7 +196,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/norwegian/errmsg.txt

@@ -196,7 +196,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/polish/errmsg.txt

@@ -198,7 +198,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/portuguese/errmsg.txt

@@ -194,7 +194,7 @@
 "Erro de rede na gravação do 'master'",
 "Não pode encontrar índice FULLTEXT que combine com a lista de colunas",
 "Não pode executar o comando dado porque você tem tabelas ativas travadas ou uma 'transaction' ativa",
-"Variável de sistema '%-.64' desconhecida",
+"Variável de sistema '%-.64s' desconhecida",
 "Tabela '%-.64s' está marcada como danificada e deve ser reparada",
 "Tabela '%-.64s' está marcada como danificada e a última reparação (automática?) falhou",
 "Aviso: Algumas tabelas não-transacionais alteradas não puderam ser reconstituídas ('rolled back')",

sql/share/romanian/errmsg.txt

@@ -198,7 +198,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/russian/errmsg.txt

@@ -197,7 +197,7 @@
 "Сетевая ошибка при писании мастеру",
 "FULLTEXT индекс, соответствующий заданному списку столбцов, не найден",
 "Не могу выполнить комманду из-за активных locked таблиц или активной транзакции",
-"Неизвестная системная переменная '%-.64'",
+"Неизвестная системная переменная '%-.64s'",
 "Таблица '%-.64s' помечена как испорченная и должна быть исправлена",
 "Таблица '%-.64s' помечена как испорченная и последняя попытка исправления (автоматическая?) не удалась",
 "Предупреждение: некоторые нетранзакционные таблицы не подчиняются ROLLBACK",

sql/share/slovak/errmsg.txt

@@ -202,7 +202,7 @@
 "Net error writing to master",
 "Can't find FULLTEXT index matching the column list",
 "Can't execute the given command because you have active locked tables or an active transaction",
-"Unknown system variable '%-.64'",
+"Unknown system variable '%-.64s'",
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Warning:  Some non-transactional changed tables couldn't be rolled back",

sql/share/spanish/errmsg.txt

@@ -195,7 +195,7 @@
 "Error de red escribiendo para el master",
 "No puedo encontrar índice FULLTEXT correspondiendo a la lista de columnas",
 "No puedo ejecutar el comando dado porque tienes tablas bloqueadas o una transición activa",
-"Desconocida variable de sistema '%-.64'",
+"Desconocida variable de sistema '%-.64s'",
 "Tabla '%-.64s' está marcada como crashed y debe ser reparada",
 "Tabla '%-.64s' está marcada como crashed y la última reparación (automactica?) falló",
 "Aviso:  Algunas tablas no transancionales no pueden tener rolled back",

sql/share/swedish/errmsg.txt

@@ -194,7 +194,7 @@
 "Fick nätverksfel vid skrivning till master",
 "Hittar inte ett FULLTEXT index i kolumnlistan",
 "Kan inte exekvera kommandot emedan du har en låst tabell eller an aktiv transaktion",
-"Okänd system variabel '%-.64'",
+"Okänd system variabel '%-.64s'",
 "Tabell '%-.64s' är crashad och bör repareras med REPAIR TABLE",
 "Tabell '%-.64s' är crashad och senast (automatiska?) reparation misslyckades",
 "Warning:  Några icke transaktionella tabeller kunde inte återställas vid ROLLBACK",

sql/share/ukrainian/errmsg.txt

@@ -199,7 +199,7 @@
 "Мережева помилка запису до головного",
 "Не можу знайти FULLTEXT ╕ндекс, що в╕дпов╕да╓ перел╕ку стовбц╕в",
 "Не можу виконати подану команду тому, що таблиця заблокована або викону╓ться транзакц╕я",
-"疽屢켓皐 譚戇터适 謐┧适 '%-.64'",
+"疽屢켓皐 譚戇터适 謐┧适 '%-.64s'",
 "Таблицю '%-.64s' марковано як з╕псовану та ╖╖ потр╕бно в╕дновити",
 "Таблицю '%-.64s' марковано як з╕псовану та останн╓ (автоматичне?) в╕дновлення не вдалося",
 "Застереження: Деяк╕ нетранзакц╕йн╕ зм╕ни таблиць не можна буде повернути",

sql/sql_show.cc

@@ -570,21 +570,30 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
   {
     packet->length(0);
     net_store_data(packet,convert, table->table_name);
-    // a hack - we need to reserve some space for the length before
+    /*
-    // we know what it is - let's assume that the length of create table
+      A hack - we need to reserve some space for the length before
-    // statement will fit into 3 bytes ( 16 MB max :-) )
+      we know what it is - let's assume that the length of create table
+      statement will fit into 3 bytes ( 16 MB max :-) )
+    */
     ulong store_len_offset = packet->length();
     packet->length(store_len_offset + 4);
     if (store_create_info(thd, table, packet))
       DBUG_RETURN(-1);
     ulong create_len = packet->length() - store_len_offset - 4;
     if (create_len > 0x00ffffff) // better readable in HEX ...
-      DBUG_RETURN(1);  // just in case somebody manages to create a table
+    {
-    // with *that* much stuff in the definition
+      /*
+	Just in case somebody manages to create a table
+	with *that* much stuff in the definition
+      */
+      DBUG_RETURN(1);
+    }
 
-    // now we have to store the length in three bytes, even if it would fit
+    /*
-    // into fewer, so we cannot use net_store_data() anymore,
+      Now we have to store the length in three bytes, even if it would fit
-    // and do it ourselves
+      into fewer bytes, so we cannot use net_store_data() anymore,
+      and do it ourselves
+    */
     char* p = (char*)packet->ptr() + store_len_offset;
     *p++ = (char) 253; // The client the length is stored using 3-bytes
     int3store(p, create_len);
@@ -1148,7 +1157,7 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables)
   pthread_mutex_lock(&LOCK_status);
   for (i=0; variables[i].name; i++)
   {
-    if (!(wild && wild[0] && wild_compare(variables[i].name,wild)))
+    if (!(wild && wild[0] && wild_case_compare(variables[i].name,wild)))
     {
       packet2.length(0);
       net_store_data(&packet2,convert,variables[i].name);

sql/sql_string.cc

@@ -40,19 +40,16 @@ extern void sql_element_free(void *ptr);
 bool String::real_alloc(uint32 arg_length)
 {
   arg_length=ALIGN_SIZE(arg_length+1);
+  str_length=0;
   if (Alloced_length < arg_length)
   {
     free();
     if (!(Ptr=(char*) my_malloc(arg_length,MYF(MY_WME))))
-    {
-      str_length=0;
       return TRUE;
-    }
     Alloced_length=arg_length;
     alloced=1;
   }
   Ptr[0]=0;
-  str_length=0;
   return FALSE;
 }
 

strings/bfill.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : bfill.c
     Author : Richard A. O'Keefe.

strings/bmove.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : bmove.c
     Author : Richard A. O'Keefe.

strings/ctype-ujis.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB & tommy@valley.ne.jp.
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /* This file is for Japanese EUC charset, and created by tommy@valley.ne.jp.
  */

strings/strend.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : strend.c
     Author : Richard A. O'Keefe.

strings/strstr.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : strstr.c
     Author : Monty

strings/strxmov.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : strxmov.c
     Author : Richard A. O'Keefe.

strings/strxnmov.c

@@ -1,18 +1,19 @@
-/* Copyright (C) 2000 MySQL AB
+/* Copyright (C) 2002 MySQL AB
-
+   
-   This program is free software; you can redistribute it and/or modify
+   This library is free software; you can redistribute it and/or
-   it under the terms of the GNU General Public License as published by
+   modify it under the terms of the GNU Library General Public
-   the Free Software Foundation; either version 2 of the License, or
+   License as published by the Free Software Foundation; either
-   (at your option) any later version.
+   version 2 of the License, or (at your option) any later version.
-
+   
-   This program is distributed in the hope that it will be useful,
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Library General Public License for more details.
-
+   
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Library General Public
-   along with this program; if not, write to the Free Software
+   License along with this library; if not, write to the Free
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
 
 /*  File   : strxnmov.c
     Author : Richard A. O'Keefe.