Merge mskold@bk-internal.mysql.com:/home/bk/mysql-4.1

into mysql.com:/usr/local/home/marty/MySQL/mysql-4.1

cmd-line-utils/readline/bind.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 #include <sys/types.h>

cmd-line-utils/readline/callback.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include "rlconf.h"
 

cmd-line-utils/readline/complete.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <fcntl.h>

cmd-line-utils/readline/config_readline.h

@@ -0,0 +1,30 @@
+/*
+   config-readline.h  Maintained by hand. Contains the readline specific
+   parts from config.h.in in readline 4.3
+*/
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+/*
+ Ultrix botches type-ahead when switching from canonical to
+   non-canonical mode, at least through version 4.3
+*/
+#if !defined (HAVE_TERMIOS_H) || !defined (HAVE_TCGETATTR) || defined (ultrix)
+#  define TERMIOS_MISSING
+#endif
+
+#if defined (STRCOLL_BROKEN)
+#  undef HAVE_STRCOLL
+#endif
+
+#if defined (__STDC__) && defined (HAVE_STDARG_H)
+#  define PREFER_STDARG
+#  define USE_VARARGS
+#else
+#  if defined (HAVE_VARARGS_H)
+#    define PREFER_VARARGS
+#    define USE_VARARGS
+#  endif
+#endif

cmd-line-utils/readline/display.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/funmap.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #if !defined (BUFSIZ)
 #include <stdio.h>

cmd-line-utils/readline/histexpand.c

@@ -22,9 +22,7 @@
 
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 

cmd-line-utils/readline/histfile.c

@@ -25,9 +25,7 @@
    you can call.  I think I have done that. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 

cmd-line-utils/readline/history.c

@@ -25,9 +25,7 @@
    you can call.  I think I have done that. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 

cmd-line-utils/readline/histsearch.c

@@ -22,9 +22,7 @@
 
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 #if defined (HAVE_STDLIB_H)

cmd-line-utils/readline/input.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <fcntl.h>

cmd-line-utils/readline/isearch.c

@@ -26,9 +26,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/keymaps.c

@@ -20,9 +20,7 @@
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #if defined (HAVE_STDLIB_H)
 #  include <stdlib.h>

cmd-line-utils/readline/kill.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/macro.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/mbutil.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <fcntl.h>

cmd-line-utils/readline/misc.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>

cmd-line-utils/readline/nls.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/parens.c

@@ -23,9 +23,7 @@
 
 #include "rlconf.h"
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>
 #include <sys/types.h>

cmd-line-utils/readline/readline.c

@@ -22,9 +22,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include "posixstat.h"

cmd-line-utils/readline/rltty.c

@@ -22,9 +22,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <signal.h>

cmd-line-utils/readline/search.c

@@ -22,9 +22,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <stdio.h>

cmd-line-utils/readline/shell.c

@@ -22,9 +22,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/signals.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <stdio.h>		/* Just for NULL.  Yuck. */
 #include <sys/types.h>

cmd-line-utils/readline/terminal.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include "posixstat.h"

cmd-line-utils/readline/text.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>

cmd-line-utils/readline/tilde.c

@@ -19,9 +19,7 @@
    along with Readline; see the file COPYING.  If not, write to the Free
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #if defined (HAVE_UNISTD_H)
 #  ifdef _MINIX

cmd-line-utils/readline/undo.c

@@ -22,9 +22,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/util.c

@@ -21,9 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 #include <fcntl.h>

cmd-line-utils/readline/vi_mode.c

@@ -31,9 +31,7 @@
 
 #if defined (VI_MODE)
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#  include <config.h>
-#endif
 
 #include <sys/types.h>
 

cmd-line-utils/readline/xmalloc.c

@@ -20,9 +20,7 @@
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if defined (HAVE_CONFIG_H)
+#include "config_readline.h"
-#include <config.h>
-#endif
 
 #include <stdio.h>
 

libmysql/libmysql.c

@@ -186,6 +186,7 @@ void STDCALL mysql_server_end()
   }
   else
     mysql_thread_end();
+  free_charsets();
   mysql_client_init= org_my_init_done= 0;
 }
 

mysql-test/r/olap.result

@@ -392,3 +392,16 @@ SELECT SQL_CALC_FOUND_ROWS a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1;
 a	SUM(b)
 1	4
 DROP TABLE t1;
+CREATE TABLE t1 (a int(11) NOT NULL);
+INSERT INTO t1 VALUES (1),(2);
+SELECT a, SUM(a) m FROM  t1 GROUP BY a WITH ROLLUP;
+a	m
+1	1
+2	2
+NULL	3
+SELECT * FROM ( SELECT a, SUM(a) m FROM  t1 GROUP BY a WITH ROLLUP ) t2;
+a	m
+1	1
+2	2
+NULL	3
+DROP TABLE t1;

mysql-test/r/type_timestamp.result

@@ -432,3 +432,50 @@ t1	CREATE TABLE "t1" (
 )
 set sql_mode='';
 drop table t1;
+create table t1 (a int auto_increment primary key, b int, c timestamp);
+insert into t1 (a, b, c) values (1, 0, '2001-01-01 01:01:01'),
+(2, 0, '2002-02-02 02:02:02'), (3, 0, '2003-03-03 03:03:03');
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	0	2002-02-02 02:02:02
+3	0	2003-03-03 03:03:03
+update t1 set b = 2, c = c where a = 2;
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	2	2002-02-02 02:02:02
+3	0	2003-03-03 03:03:03
+insert into t1 (a) values (4);
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	2	2002-02-02 02:02:02
+3	0	2003-03-03 03:03:03
+4	NULL	2001-09-09 04:46:59
+update t1 set c = '2004-04-04 04:04:04' where a = 4;
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	2	2002-02-02 02:02:02
+3	0	2003-03-03 03:03:03
+4	NULL	2004-04-04 04:04:04
+insert into t1 (a) values (3), (5) on duplicate key update b = 3, c = c;
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	2	2002-02-02 02:02:02
+3	3	2003-03-03 03:03:03
+4	NULL	2004-04-04 04:04:04
+5	NULL	2001-09-09 04:46:59
+insert into t1 (a, c) values (4, '2004-04-04 00:00:00'),
+(6, '2006-06-06 06:06:06') on duplicate key update b = 4;
+select * from t1;
+a	b	c
+1	0	2001-01-01 01:01:01
+2	2	2002-02-02 02:02:02
+3	3	2003-03-03 03:03:03
+4	4	2001-09-09 04:46:59
+5	NULL	2001-09-09 04:46:59
+6	NULL	2006-06-06 06:06:06
+drop table t1;

mysql-test/t/olap.test

@@ -171,3 +171,16 @@ SELECT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1;
 SELECT SQL_CALC_FOUND_ROWS a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1;
 
 DROP TABLE t1;
+
+#
+# Tests for bug #9681: ROLLUP in subquery for derived table wiht 
+#                      a group by field declared as NOT NULL
+#
+
+CREATE TABLE t1 (a int(11) NOT NULL);
+INSERT INTO t1 VALUES (1),(2);
+
+SELECT a, SUM(a) m FROM  t1 GROUP BY a WITH ROLLUP;
+SELECT * FROM ( SELECT a, SUM(a) m FROM  t1 GROUP BY a WITH ROLLUP ) t2;
+
+DROP TABLE t1;

mysql-test/t/type_timestamp.test

@@ -298,3 +298,24 @@ show create table t1;
 # restore default mode
 set sql_mode='';
 drop table t1;
+
+#
+# Bug#7806 - insert on duplicate key and auto-update of timestamp
+#
+create table t1 (a int auto_increment primary key, b int, c timestamp);
+insert into t1 (a, b, c) values (1, 0, '2001-01-01 01:01:01'),
+  (2, 0, '2002-02-02 02:02:02'), (3, 0, '2003-03-03 03:03:03');
+select * from t1;
+update t1 set b = 2, c = c where a = 2;
+select * from t1;
+insert into t1 (a) values (4);
+select * from t1;
+update t1 set c = '2004-04-04 04:04:04' where a = 4;
+select * from t1;
+insert into t1 (a) values (3), (5) on duplicate key update b = 3, c = c;
+select * from t1;
+insert into t1 (a, c) values (4, '2004-04-04 00:00:00'),
+  (6, '2006-06-06 06:06:06') on duplicate key update b = 4;
+select * from t1;
+drop table t1;
+

ndb/src/ndbapi/TransporterFacade.cpp

@@ -160,6 +160,10 @@ setSignalLog(){
   } else if(tmp !=0){
     if (strcmp(tmp, "-") == 0)
         signalLogger.setOutputStream(stdout);
+#ifndef DBUG_OFF
+    else if (strcmp(tmp, "+") == 0)
+        signalLogger.setOutputStream(DBUG_FILE);
+#endif
     else
         signalLogger.setOutputStream(fopen(tmp, "w"));
     apiSignalLog = tmp;

sql/mysql_priv.h

@@ -668,8 +668,6 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name);
 void mysql_stmt_free(THD *thd, char *packet);
 void mysql_stmt_reset(THD *thd, char *packet);
 void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
-int check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
-			List<Item> &values, ulong counter);
 
 /* sql_error.cc */
 MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,

sql/sql_insert.cc

@@ -42,15 +42,29 @@ static void unlink_blobs(register TABLE *table);
 #define DELAYED_LOG_UPDATE 1
 #define DELAYED_LOG_BIN    2
 
+
 /*
   Check if insert fields are correct.
-  Sets table->timestamp_field_type to TIMESTAMP_NO_AUTO_SET or leaves it
+
-  as is, depending on if timestamp should be updated or not.
+  SYNOPSIS
+    check_insert_fields()
+    thd                         The current thread.
+    table                       The table for insert.
+    fields                      The insert fields.
+    values                      The insert values.
+
+  NOTE
+    Clears TIMESTAMP_AUTO_SET_ON_INSERT from table->timestamp_field_type
+    or leaves it as is, depending on if timestamp should be updated or
+    not.
+
+  RETURN
+    0           OK
+    -1          Error
 */
 
-int
+static int check_insert_fields(THD *thd, TABLE *table, List<Item> &fields,
-check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
+                               List<Item> &values)
-		    List<Item> &values, ulong counter)
 {
   if (fields.elements == 0 && values.elements != 0)
   {
@@ -58,7 +72,7 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
     {
       my_printf_error(ER_WRONG_VALUE_COUNT_ON_ROW,
 		      ER(ER_WRONG_VALUE_COUNT_ON_ROW),
-		      MYF(0),counter);
+		      MYF(0), 1);
       return -1;
     }
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
@@ -66,7 +80,7 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
 	check_grant_all_columns(thd,INSERT_ACL,table))
       return -1;
 #endif
-    table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
+    (int) table->timestamp_field_type&= ~ (int) TIMESTAMP_AUTO_SET_ON_INSERT;
   }
   else
   {						// Part field list
@@ -74,7 +88,7 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
     {
       my_printf_error(ER_WRONG_VALUE_COUNT_ON_ROW,
 		      ER(ER_WRONG_VALUE_COUNT_ON_ROW),
-		      MYF(0),counter);
+		      MYF(0), 1);
       return -1;
     }
     TABLE_LIST table_list;
@@ -96,7 +110,7 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
     }
     if (table->timestamp_field &&	// Don't set timestamp if used
 	table->timestamp_field->query_id == thd->query_id)
-      table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
+      (int) table->timestamp_field_type&= ~ (int) TIMESTAMP_AUTO_SET_ON_INSERT;
   }
   // For the values we need select_priv
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
@@ -106,6 +120,62 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
 }
 
 
+/*
+  Check update fields for the timestamp field.
+
+  SYNOPSIS
+    check_update_fields()
+    thd                         The current thread.
+    insert_table_list           The insert table list.
+    table                       The table for update.
+    update_fields               The update fields.
+
+  NOTE
+    If the update fields include the timestamp field,
+    remove TIMESTAMP_AUTO_SET_ON_UPDATE from table->timestamp_field_type.
+
+  RETURN
+    0           OK
+    -1          Error
+*/
+
+static int check_update_fields(THD *thd, TABLE *table,
+                               TABLE_LIST *insert_table_list,
+                               List<Item> &update_fields)
+{
+  ulong		timestamp_query_id;
+  LINT_INIT(timestamp_query_id);
+
+  /*
+    Change the query_id for the timestamp column so that we can
+    check if this is modified directly.
+  */
+  if (table->timestamp_field)
+  {
+    timestamp_query_id= table->timestamp_field->query_id;
+    table->timestamp_field->query_id= thd->query_id-1;
+  }
+
+  /*
+    Check the fields we are going to modify. This will set the query_id
+    of all used fields to the threads query_id.
+  */
+  if (setup_fields(thd, 0, insert_table_list, update_fields, 1, 0, 0))
+    return -1;
+
+  if (table->timestamp_field)
+  {
+    /* Don't set timestamp column if this is modified. */
+    if (table->timestamp_field->query_id == thd->query_id)
+      (int) table->timestamp_field_type&= ~ (int) TIMESTAMP_AUTO_SET_ON_UPDATE;
+    else
+      table->timestamp_field->query_id= timestamp_query_id;
+  }
+
+  return 0;
+}
+
+
 int mysql_insert(THD *thd,TABLE_LIST *table_list,
                  List<Item> &fields,
                  List<List_item> &values_list,
@@ -450,11 +520,11 @@ int mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
     if (!table->insert_values)
       DBUG_RETURN(-1);
   }
-  if ((values && check_insert_fields(thd, table, fields, *values, 1)) ||
+  if ((values && check_insert_fields(thd, table, fields, *values)) ||
       setup_tables(insert_table_list) ||
       (values && setup_fields(thd, 0, insert_table_list, *values, 0, 0, 0)) ||
       (duplic == DUP_UPDATE &&
-       (setup_fields(thd, 0, insert_table_list, update_fields, 1, 0, 0) ||
+       (check_update_fields(thd, table, insert_table_list, update_fields) ||
         setup_fields(thd, 0, insert_table_list, update_values, 1, 0, 0))))
     DBUG_RETURN(-1);
   if (values && find_real_table_in_list(table_list->next, table_list->db,
@@ -1457,7 +1527,7 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
   DBUG_ENTER("select_insert::prepare");
 
   unit= u;
-  if (check_insert_fields(thd,table,*fields,values,1))
+  if (check_insert_fields(thd, table, *fields, values))
     DBUG_RETURN(1);
 
   restore_record(table,default_values);			// Get empty record

sql/sql_select.cc

@@ -4779,7 +4779,7 @@ static Field* create_tmp_field_from_field(THD *thd, Field* org_field,
       item->result_field= new_field;
     else
       new_field->field_name= name;
-    if (org_field->maybe_null())
+    if (org_field->maybe_null() || (item && item->maybe_null))
       new_field->flags&= ~NOT_NULL_FLAG;	// Because of outer join
     if (org_field->type() == FIELD_TYPE_VAR_STRING)
       table->db_create_options|= HA_OPTION_PACK_RECORD;
@@ -9199,7 +9199,19 @@ bool JOIN::rollup_init()
     for (j=0 ; j < fields_list.elements ; j++)
       rollup.fields[i].push_back(rollup.null_items[i]);
   }
+  List_iterator_fast<Item> it(fields_list);
+  Item *item;
+  while ((item= it++))
+  {
+    ORDER *group_tmp;
+    for (group_tmp= group_list; group_tmp; group_tmp= group_tmp->next)
+    {
+      if (*group_tmp->item == item)
+        item->maybe_null= 1;
+    }
+  }
   return 0;
+
 }
   
 

sql/table.h

@@ -60,6 +60,10 @@ typedef struct st_filesort_info
 /*
   Values in this enum are used to indicate during which operations value
   of TIMESTAMP field should be set to current timestamp.
+  WARNING: The values are used for bit operations. If you change the enum,
+  you must keep the bitwise relation of the values. For example:
+  (int) TIMESTAMP_AUTO_SET_ON_BOTH ==
+    (int) TIMESTAMP_AUTO_SET_ON_INSERT | (int) TIMESTAMP_AUTO_SET_ON_UPDATE.
 */
 enum timestamp_auto_set_type
 {