Merge with 4.0.17

BitKeeper/etc/logging_ok:
  auto-union
Build-tools/Do-compile:
  Auto merged
acinclude.m4:
  Auto merged
configure.in:
  Auto merged
dbug/dbug.c:
  Auto merged
include/config-win.h:
  Auto merged
include/my_base.h:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/mysql.h:
  Auto merged
include/mysql_com.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/row/row0umod.c:
  Auto merged
innobase/row/row0upd.c:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_dbug.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
mysql-test/r/auto_increment.result:
  Auto merged
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/func_op.result:
  Auto merged
Build-tools/Bootstrap:
  Merge with 4.0
client/mysql.cc:
  Merge with 4.0
client/mysqldump.c:
  Merge with 4.0
client/mysqltest.c:
  Use local version
innobase/btr/btr0cur.c:
  Merge with 4.0 (Heikki should check if we should remove btr_cur_update_sec_rec_in_place()
libmysql/libmysql.c:
  Merge with 4.0
libmysqld/lib_sql.cc:
  Merge with 4.0
myisam/mi_key.c:
  Merge with 4.0
myisam/mi_search.c:
  Merge with 4.0
mysql-test/r/binary.result:
  Merge with 4.0
mysql-test/r/func_group.result:
  Merge with 4.0
mysql-test/r/func_str.result:
  Merge with 4.0
mysql-test/r/func_time.result:
  Merge with 4.0
mysql-test/r/group_by.result:
  Merge with 4.0
mysql-test/r/handler.result:
  Merge with 4.0
mysql-test/r/innodb.result:
  Merge with 4.0
mysql-test/r/insert.result:
  Merge with 4.0
mysql-test/r/join_outer.result:
  Merge with 4.0
mysql-test/r/loaddata.result:
  Merge with 4.0
mysql-test/r/lowercase_table.result:
  Merge with 4.0
mysql-test/r/multi_update.result:
  Merge with 4.0
mysql-test/r/mysqldump.result:
  Merge with 4.0
mysql-test/r/query_cache.result:
  Merge with 4.0
mysql-test/r/rpl_max_relay_size.result:
  Merge with 4.0
mysql-test/r/rpl_rotate_logs.result:
  Merge with 4.0
mysql-test/r/rpl_trunc_binlog.result:
  Merge with 4.0
mysql-test/r/select_found.result:
  Merge with 4.0
mysql-test/r/symlink.result:
  Merge with 4.0
mysql-test/r/truncate.result:
  Merge with 4.0
mysql-test/r/type_blob.result:
  Merge with 4.0
mysql-test/r/type_datetime.result:
  Merge with 4.0
mysql-test/r/type_decimal.result:
  Merge with 4.0
mysql-test/r/type_enum.result:
  Merge with 4.0
mysql-test/r/type_timestamp.result:
  Merge with 4.0
mysql-test/r/union.result:
  Merge with 4.0
mysql-test/t/auto_increment.test:
  Merge with 4.0
mysql-test/t/bdb.test:
  Merge with 4.0
mysql-test/t/func_group.test:
  Merge with 4.0
mysql-test/t/func_op.test:
  Merge with 4.0
mysql-test/t/func_str.test:
  Merge with 4.0
mysql-test/t/func_time.test:
  Merge with 4.0
mysql-test/t/group_by.test:
  Merge with 4.0
mysql-test/t/handler.test:
  Merge with 4.0
mysql-test/t/innodb.test:
  Merge with 4.0
mysql-test/t/insert.test:
  Merge with 4.0
mysql-test/t/join_outer.test:
  Merge with 4.0
mysql-test/t/limit.test:
  Merge with 4.0
mysql-test/t/loaddata.test:
  Merge with 4.0
mysql-test/t/lowercase_table.test:
  Merge with 4.0
mysql-test/t/multi_update.test:
  Merge with 4.0
mysql-test/t/mysqldump.test:
  Merge with 4.0
mysql-test/t/query_cache.test:
  Merge with 4.0
mysql-test/t/rpl_log_pos.test:
  Merge with 4.0
mysql-test/t/rpl_max_relay_size.test:
  Merge with 4.0
mysql-test/t/rpl_rotate_logs.test:
  Merge with 4.0
mysql-test/t/rpl_trunc_binlog.test:
  Merge with 4.0
mysql-test/t/select_found.test:
  Merge with 4.0
mysql-test/t/symlink.test:
  Merge with 4.0
mysql-test/t/truncate.test:
  Merge with 4.0
mysql-test/t/type_blob.test:
  Merge with 4.0
mysql-test/t/type_datetime.test:
  Merge with 4.0
mysql-test/t/type_decimal.test:
  Merge with 4.0
mysql-test/t/type_enum.test:
  Merge with 4.0
mysql-test/t/type_timestamp.test:
  Merge with 4.0
mysql-test/t/union.test:
  Merge with 4.0
mysys/charset.c:
  Merge with 4.0
mysys/my_init.c:
  Merge with 4.0
mysys/my_symlink.c:
  Merge with 4.0
mysys/my_thr_init.c:
  Merge with 4.0
regex/reginit.c:
  Merge with 4.0
sql/field.cc:
  Change fix_datetime() to print errors
sql/field.h:
  Merge with 4.0
sql/ha_innodb.cc:
  Merge with 4.0
sql/item.cc:
  Merge with 4.0
sql/item.h:
  Merge with 4.0
sql/item_cmpfunc.cc:
  Merge with 4.0
sql/item_func.cc:
  Merge with 4.0
sql/item_func.h:
  Merge with 4.0
sql/item_strfunc.cc:
  Merge with 4.0
sql/item_strfunc.h:
  Merge with 4.0
sql/item_sum.cc:
  Merge with 4.0
sql/item_sum.h:
  Merge with 4.0
sql/item_timefunc.cc:
  Merge with 4.0
sql/lex.h:
  Merge with 4.0
sql/log.cc:
  Merge with 4.0
sql/log_event.cc:
  Merge with 4.0
sql/log_event.h:
  Merge with 4.0
sql/mysql_priv.h:
  Merge with 4.0
sql/mysqld.cc:
  Merge with 4.0
sql/nt_servc.cc:
  Merge with 4.0
sql/opt_range.cc:
  Merge with 4.0
sql/records.cc:
  Merge with 4.0
sql/repl_failsafe.cc:
  Merge with 4.0
sql/slave.cc:
  Merge with 4.0
sql/sql_acl.cc:
  Merge with 4.0
sql/sql_analyse.cc:
  Merge with 4.0
sql/sql_base.cc:
  Merge with 4.0
sql/sql_cache.cc:
  Merge with 4.0
sql/sql_class.h:
  Merge with 4.0
sql/sql_db.cc:
  Merge with 4.0
sql/sql_delete.cc:
  Merge with 4.0
sql/sql_insert.cc:
  Merge with 4.0
sql/sql_load.cc:
  Merge with 4.0
sql/sql_parse.cc:
  Merge with 4.0
sql/sql_rename.cc:
  Merge with 4.0
sql/sql_select.cc:
  Merge with 4.0
sql/sql_show.cc:
  Merge with 4.0
sql/sql_table.cc:
  Merge with 4.0
sql/sql_update.cc:
  Merge with 4.0
sql/sql_yacc.yy:
  Merge with 4.0
sql/table.cc:
  Merge with 4.0
sql/table.h:
  Merge with 4.0
sql/time.cc:
  Merge with 4.0
sql/uniques.cc:
  Merge with 4.0
strings/ctype-tis620.c:
  Merge with 4.0
strings/strto.c:
  Merge with 4.0
support-files/mysql.server.sh:
  Merge with 4.0
support-files/mysql.spec.sh:
  Merge with 4.0

1 files changed, 15 insertions, 6 deletions

diff --git a/sql/item_sum.h b/sql/item_sum.h
index d454f06ccde..3fe40ca4c68 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -65,7 +65,18 @@ public:
   inline bool reset() { clear(); return add(); };
   virtual void clear()= 0;
   virtual bool add()=0;
+  /*
+    Called when new group is started and results are being saved in
+    a temporary table. Similar to reset(), but must also store value in
+    result_field. Like reset() it is supposed to reset start value to
+    default.
+  */
   virtual void reset_field()=0;
+  /*
+    Called for each new value in the group, when temporary table is in use.
+    Similar to add(), but uses temporary table field to obtain current value,
+    Updated value is then saved in the field.
+  */
   virtual void update_field()=0;
   virtual bool keep_field_type(void) const { return 0; }
   virtual void fix_length_and_dec() { maybe_null=1; null_value=1; }
@@ -445,10 +456,10 @@ public:
 
 class Item_sum_bit :public Item_sum_int
 {
- protected:
+protected:
   ulonglong reset_bits,bits;
 
-  public:
+public:
   Item_sum_bit(Item *item_par,ulonglong reset_arg)
     :Item_sum_int(item_par),reset_bits(reset_arg),bits(reset_arg) {}
   Item_sum_bit(THD *thd, Item_sum_bit &item):
@@ -464,11 +475,10 @@ class Item_sum_bit :public Item_sum_int
 
 class Item_sum_or :public Item_sum_bit
 {
-  public:
+public:
   Item_sum_or(Item *item_par) :Item_sum_bit(item_par,LL(0)) {}
   Item_sum_or(THD *thd, Item_sum_or &item) :Item_sum_bit(thd, item) {}
   bool add();
-  void update_field();
   const char *func_name() const { return "bit_or"; }
   Item *copy_or_same(THD* thd);
 };
@@ -477,10 +487,9 @@ class Item_sum_or :public Item_sum_bit
 class Item_sum_and :public Item_sum_bit
 {
   public:
-  Item_sum_and(Item *item_par) :Item_sum_bit(item_par, ~(ulonglong) LL(0)) {}
+  Item_sum_and(Item *item_par) :Item_sum_bit(item_par, ULONGLONG_MAX) {}
   Item_sum_and(THD *thd, Item_sum_and &item) :Item_sum_bit(thd, item) {}
   bool add();
-  void update_field();
   const char *func_name() const { return "bit_and"; }
   Item *copy_or_same(THD* thd);
 };