Merge with 4.0

BitKeeper/etc/gone:
  auto-union
BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BitKeeper/deleted/.del-.my_sys.h.swp~f6a4a7f8dae03f18:
  Auto merged
BitKeeper/etc/config:
  Auto merged
acconfig.h:
  Auto merged
acinclude.m4:
  Auto merged
Docs/manual.texi:
  Auto merged
client/mysqlcheck.c:
  Auto merged
client/mysqlshow.c:
  Auto merged
include/myisam.h:
  Auto merged
include/violite.h:
  Auto merged
isam/pack_isam.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/Makefile.am:
  Auto merged
myisam/ft_nlq_search.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/func_test.result:
  Auto merged
mysql-test/r/isam.result:
  Auto merged
mysql-test/r/rpl_replicate_do.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/func_test.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/rpl_rotate_logs.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/hash.c:
  Auto merged
mysys/tree.c:
  Auto merged
scripts/Makefile.am:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/gen_lex_hash.cc:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/hash_filo.h:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/lex.h:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/log_event.h:
  Auto merged
sql/mini_client.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_rename.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/german/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/table.h:
  Auto merged
sql/unireg.cc:
  Auto merged
sql-bench/server-cfg.sh:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
sql/ha_myisam.cc:
  Merge with 4.0
  Removed some commented code
sql/sql_db.cc:
  Merge with 4.0
  Optimized the logging of the drop db call a bit
sql/sql_update.cc:
  Added comment

1 files changed, 24 insertions, 24 deletions

diff --git a/mysql-test/r/null_key.result b/mysql-test/r/null_key.result
index cbc8b913f45..85687df411b 100644
--- a/mysql-test/r/null_key.result
+++ b/mysql-test/r/null_key.result
@@ -3,37 +3,37 @@ create table t1 (a int, b int not null,unique key (a,b),index(b)) type=myisam;
 insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6);
 explain select * from t1 where a is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a	a	5	const	3	where used; Using index
+1	SIMPLE	t1	ref	a	a	5	const	3	Using where; Using index
 explain select * from t1 where a is null and b = 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	9	const,const	1	where used; Using index
+1	SIMPLE	t1	ref	a,b	a	9	const,const	1	Using where; Using index
 explain select * from t1 where a is null and b = 7;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	9	const,const	1	where used; Using index
+1	SIMPLE	t1	ref	a,b	a	9	const,const	1	Using where; Using index
 explain select * from t1 where a=2 and b = 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	const	a,b	a	9	const,const	1	
 explain select * from t1 where a<=>b limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	a	9	NULL	12	where used; Using index
+1	SIMPLE	t1	index	NULL	a	9	NULL	12	Using where; Using index
 explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a,b	a	9	NULL	3	where used; Using index
+1	SIMPLE	t1	range	a,b	a	9	NULL	3	Using where; Using index
 explain select * from t1 where (a is null or a = 7) and b=7;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	b	4	const	2	where used
+1	SIMPLE	t1	ref	a,b	b	4	const	2	Using where
 explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used; Using index
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where; Using index
 explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a,b	a	9	NULL	2	where used; Using index
+1	SIMPLE	t1	range	a,b	a	9	NULL	2	Using where; Using index
 explain select * from t1 where a > 1 and a < 3 limit 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a	a	5	NULL	1	where used; Using index
+1	SIMPLE	t1	range	a	a	5	NULL	1	Using where; Using index
 explain select * from t1 where a > 8 and a < 9;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a	a	5	NULL	1	where used; Using index
+1	SIMPLE	t1	range	a	a	5	NULL	1	Using where; Using index
 select * from t1 where a is null;
 a	b
 NULL	7
@@ -66,43 +66,43 @@ NULL	9
 alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10));
 explain select * from t1 where a is null and b = 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where
 explain select * from t1 where a is null and b = 2 and c=0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where
 explain select * from t1 where a is null and b = 7 and c=0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where
 explain select * from t1 where a=2 and b = 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	1	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	1	Using where
 explain select * from t1 where a<=>b limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	12	where used
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	12	Using where
 explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 and c=0 limit 3;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a,b	a	5	NULL	5	where used
+1	SIMPLE	t1	range	a,b	a	5	NULL	5	Using where
 explain select * from t1 where (a is null or a = 7) and b=7 and c=0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a,b	a	5	NULL	4	where used
+1	SIMPLE	t1	range	a,b	a	5	NULL	4	Using where
 explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where
 explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a,b	a	5	const	3	where used
+1	SIMPLE	t1	ref	a,b	a	5	const	3	Using where
 explain select * from t1 where a > 1 and a < 3 limit 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a	a	5	NULL	1	where used
+1	SIMPLE	t1	range	a	a	5	NULL	1	Using where
 explain select * from t1 where a is null and b=7 or a > 1 and a < 3 limit 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a,b	a	5	NULL	4	where used
+1	SIMPLE	t1	range	a,b	a	5	NULL	4	Using where
 explain select * from t1 where a > 8 and a < 9;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	a	a	5	NULL	1	where used
+1	SIMPLE	t1	range	a	a	5	NULL	1	Using where
 explain select * from t1 where b like "6%";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	b	b	12	NULL	1	where used
+1	SIMPLE	t1	range	b	b	12	NULL	1	Using where
 select * from t1 where a is null;
 a	b	c
 NULL	7	0
@@ -152,7 +152,7 @@ INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4
 INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL);
 explain select id from t1 where uniq_id is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	idx1	idx1	5	const	1	where used
+1	SIMPLE	t1	ref	idx1	idx1	5	const	1	Using where
 explain select id from t1 where uniq_id =1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	const	idx1	idx1	5	const	1