Merge with 4.0.14

BitKeeper/etc/logging_ok:
  auto-union
scripts/make_win_src_distribution.old:
  Merge rename: scripts/make_win_src_distribution.sh -> scripts/make_win_src_distribution.old
BUILD/compile-pentium-debug-max:
  Auto merged
BitKeeper/deleted/.del-sel000001.result~383913ae4505ec86:
  Auto merged
BitKeeper/deleted/.del-sel000001.test~9567c1646058cc:
  Auto merged
Build-tools/Bootstrap:
  Auto merged
Build-tools/Do-compile:
  Auto merged
Docs/Makefile.am:
  Auto merged
client/get_password.c:
  Auto merged
client/mysql.cc:
  Auto merged
client/mysqltest.c:
  Auto merged
extra/perror.c:
  Auto merged
include/config-win.h:
  Auto merged
include/my_sys.h:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/btr/btr0pcur.c:
  Auto merged
innobase/buf/buf0buf.c:
  Auto merged
innobase/buf/buf0flu.c:
  Auto merged
innobase/dict/dict0dict.c:
  Auto merged
innobase/dict/dict0load.c:
  Auto merged
innobase/include/buf0buf.h:
  Auto merged
innobase/include/log0recv.h:
  Auto merged
innobase/include/row0sel.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/ut0mem.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/mem/mem0pool.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/trx/trx0sys.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
innobase/ut/ut0ut.c:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_extra.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
myisammrg/myrg_queue.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/ctype_latin1_de.result:
  Auto merged
mysql-test/r/flush.result:
  Auto merged
mysql-test/r/func_time.result:
  Auto merged
mysql-test/r/grant_cache.result:
  Auto merged
mysql-test/r/join.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/range.result:
  Auto merged
mysql-test/r/rpl000018.result:
  Auto merged
mysql-test/r/rpl_insert_id.result:
  Auto merged
mysql-test/r/rpl_master_pos_wait.result:
  Auto merged
mysql-test/r/rpl_relayspace.result:
  Auto merged
mysql-test/r/select_safe.result:
  Auto merged
mysql-test/r/symlink.result:
  Auto merged
mysql-test/r/type_date.result:
  Auto merged
mysql-test/r/type_datetime.result:
  Auto merged
mysql-test/t/alias.test:
  Auto merged
mysql-test/t/ctype_latin1_de.test:
  Auto merged
mysql-test/t/fulltext_left_join.test:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
mysql-test/t/handler.test:
  Auto merged
mysql-test/t/heap.test:
  Auto merged
mysql-test/t/join.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
mysql-test/t/order_by.test:
  Auto merged
mysql-test/t/range.test:
  Auto merged
mysql-test/t/rpl000001.test:
  Auto merged
mysql-test/t/rpl000018.test:
  Auto merged
mysql-test/t/rpl_insert_id.test:
  Auto merged
mysql-test/t/sel000100.test:
  Auto merged
mysql-test/t/select_safe.test:
  Auto merged
mysql-test/t/type_date.test:
  Auto merged
mysql-test/t/type_datetime.test:
  Auto merged
mysql-test/t/user_var.test:
  Auto merged
mysys/default.c:
  Auto merged
mysys/mf_format.c:
  Auto merged
mysys/my_getopt.c:
  Auto merged
mysys/thr_lock.c:
  Auto merged
mysys/tree.c:
  Auto merged
scripts/Makefile.am:
  Auto merged
scripts/mysql_install_db.sh:
  Auto merged
scripts/mysqld_safe.sh:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/field_conv.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/ha_myisammrg.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/net_serv.cc:
  Auto merged
sql/nt_servc.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.h:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_rename.cc:
  Auto merged
sql/sql_repl.h:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
sql/uniques.cc:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
vio/viosocket.c:
  Auto merged
BitKeeper/deleted/.del-ctype-latin1_de.c~c5d8f9208bceb98e:
  merge
BitKeeper/deleted/.del-mini_client.cc~8677895ec8169183:
  merge
acinclude.m4:
  Merge with 4.0 (openssl patch)
client/mysqlbinlog.cc:
  Merge with 4.0 in which we had added code from 4.1
  (We are basicly only using the 4.1 code here)
configure.in:
  Keep 4.1 file
heap/hp_open.c:
  merge with 4.0
include/my_base.h:
  merge with 4.0
include/my_global.h:
  merge with 4.0
include/mysqld_error.h:
  merge with 4.0
innobase/ha/ha0ha.c:
  merge with 4.0
  (Code should be same but we use indentaion from 4.0)
innobase/log/log0recv.c:
  merge with 4.0
libmysql/libmysql.c:
  Remove with 4.0 code that was ported from 4.1
libmysqld/lib_sql.cc:
  merge with 4.0
myisam/mi_open.c:
  Remove 4.0 specific code
myisam/myisamchk.c:
  merge with 4.0
myisammrg/myrg_rkey.c:
  merge with 4.0
mysql-test/r/alter_table.result:
  May need to be fixed after merge
mysql-test/r/create.result:
  May need to be fixed after merge
mysql-test/r/distinct.result:
  May need to be fixed after merge
mysql-test/r/drop.result:
  May need to be fixed after merge
mysql-test/r/fulltext.result:
  May need to be fixed after merge
mysql-test/r/func_set.result:
  May need to be fixed after merge
mysql-test/r/func_str.result:
  May need to be fixed after merge
mysql-test/r/func_test.result:
  May need to be fixed after merge
mysql-test/r/grant.result:
  May need to be fixed after merge
mysql-test/r/group_by.result:
  May need to be fixed after merge
mysql-test/r/handler.result:
  May need to be fixed after merge
mysql-test/r/heap.result:
  May need to be fixed after merge
mysql-test/r/innodb.result:
  May need to be fixed after merge
mysql-test/r/insert.result:
  May need to be fixed after merge
mysql-test/r/insert_select.result:
  May need to be fixed after merge
mysql-test/r/key_diff.result:
  May need to be fixed after merge
mysql-test/r/merge.result:
  May need to be fixed after merge
mysql-test/r/myisam.result:
  May need to be fixed after merge
mysql-test/r/order_by.result:
  May need to be fixed after merge
mysql-test/r/query_cache.result:
  May need to be fixed after merge
mysql-test/r/rpl_flush_log_loop.result:
  May need to be fixed after merge
mysql-test/r/rpl_loaddata.result:
  May need to be fixed after merge
mysql-test/r/rpl_log.result:
  May need to be fixed after merge
mysql-test/r/rpl_log_pos.result:
  May need to be fixed after merge
mysql-test/r/rpl_rotate_logs.result:
  May need to be fixed after merge
mysql-test/r/select.result:
  May need to be fixed after merge
mysql-test/r/union.result:
  May need to be fixed after merge
mysql-test/r/user_var.result:
  May need to be fixed after merge
mysql-test/t/alter_table.test:
  merge with 4.0
mysql-test/t/create.test:
  merge with 4.0
mysql-test/t/distinct.test:
  merge with 4.0
mysql-test/t/drop.test:
  merge with 4.0
mysql-test/t/flush.test:
  merge with 4.0
mysql-test/t/fulltext.test:
  merge with 4.0
mysql-test/t/func_set.test:
  merge with 4.0
mysql-test/t/func_str.test:
  merge with 4.0
mysql-test/t/func_test.test:
  merge with 4.0
mysql-test/t/grant.test:
  merge with 4.0
mysql-test/t/grant_cache.test:
  merge with 4.0
mysql-test/t/innodb.test:
  Add back EXPLAIN and SHOW KEYS statements, but make them independent of number of rows returned by InnoDB
mysql-test/t/insert.test:
  merge with 4.0
mysql-test/t/insert_select.test:
  merge with 4.0
mysql-test/t/merge.test:
  merge with 4.0
mysql-test/t/query_cache.test:
  merge with 4.0
mysql-test/t/rpl_flush_log_loop.test:
  merge with 4.0
mysql-test/t/rpl_loaddata.test:
  merge with 4.0
mysql-test/t/rpl_rotate_logs.test:
  merge with 4.0
mysql-test/t/select.test:
  merge with 4.0
mysql-test/t/symlink.test:
  merge with 4.0
mysql-test/t/union.test:
  merge with 4.0
mysys/charset.c:
  merge with 4.0
scripts/mysql_fix_privilege_tables.sh:
  merge with 4.0 (Add quoting for some variables)
sql/field.h:
  merge with 4.0
sql/ha_innodb.cc:
  merge with 4.0
sql/item_cmpfunc.cc:
  merge with 4.0
sql/item_cmpfunc.h:
  merge with 4.0
sql/item_func.h:
  merge with 4.0
sql/item_strfunc.cc:
  merge with 4.0
  Fixed null handling with ELT()
sql/item_timefunc.h:
  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
  Cleanups:
  - Indentation
  - #endif comments
  - Replace strmov() with *pos++= for two byte strings
  - Moved variable declarations to start of functions
  - Merged identical code (LOAD_EVENT)
  - Added casts when subtracting pointers
  Did a full diff between this and 4.0 to ensure that the file is correct after merge.
sql/log_event.h:
  merge with 4.0
sql/mysql_priv.h:
  merge with 4.0
sql/mysqld.cc:
  merge with 4.0
sql/repl_failsafe.cc:
  merge with 4.0
sql/set_var.cc:
  merge with 4.0
sql/set_var.h:
  merge with 4.0
sql/share/czech/errmsg.txt:
  merge with 4.0
sql/share/danish/errmsg.txt:
  merge with 4.0
sql/share/dutch/errmsg.txt:
  merge with 4.0
sql/share/english/errmsg.txt:
  merge with 4.0
sql/share/estonian/errmsg.txt:
  merge with 4.0
sql/share/french/errmsg.txt:
  merge with 4.0
sql/share/german/errmsg.txt:
  merge with 4.0
sql/share/greek/errmsg.txt:
  merge with 4.0
sql/share/hungarian/errmsg.txt:
  merge with 4.0
sql/share/italian/errmsg.txt:
  merge with 4.0
sql/share/japanese/errmsg.txt:
  merge with 4.0
sql/share/korean/errmsg.txt:
  merge with 4.0
sql/share/norwegian-ny/errmsg.txt:
  merge with 4.0
sql/share/norwegian/errmsg.txt:
  merge with 4.0
sql/share/polish/errmsg.txt:
  merge with 4.0
sql/share/portuguese/errmsg.txt:
  merge with 4.0
sql/share/romanian/errmsg.txt:
  merge with 4.0
sql/share/russian/errmsg.txt:
  merge with 4.0
sql/share/slovak/errmsg.txt:
  merge with 4.0
sql/share/spanish/errmsg.txt:
  merge with 4.0
sql/share/swedish/errmsg.txt:
  merge with 4.0
sql/share/ukrainian/errmsg.txt:
  merge with 4.0
sql/slave.cc:
  Merge + some indentation fixes
sql/slave.h:
  merge with 4.0
sql/sql_acl.cc:
  merge with 4.0
  Some end space removal to make it easier to do future merges
sql/sql_acl.h:
  merge with 4.0
sql/sql_cache.cc:
  merge with 4.0
sql/sql_class.h:
  merge with 4.0
sql/sql_handler.cc:
  merge with 4.0
sql/sql_lex.cc:
  merge with 4.0
sql/sql_lex.h:
  merge with 4.0
sql/sql_parse.cc:
  merge with 4.0
sql/sql_repl.cc:
  merge with 4.0
sql/sql_select.cc:
  merge with 4.0
sql/sql_table.cc:
  merge with 4.0
sql/sql_union.cc:
  Merge with 4.0
  Note that I couldn't find out how to merge OPTION_FOUND_ROWS handling so this has to be fixed later
sql/sql_yacc.yy:
  merge with 4.0
  Removed end space to make merge easier
vio/Makefile.am:
  merge with 4.0

1 files changed, 50 insertions, 31 deletions

diff --git a/mysql-test/r/range.result b/mysql-test/r/range.result
index 86a93398a9f..247221a92f3 100644
--- a/mysql-test/r/range.result
+++ b/mysql-test/r/range.result
@@ -5,7 +5,24 @@ type int(11) DEFAULT '0' NOT NULL,
 event_id int(11) DEFAULT '0' NOT NULL,
 PRIMARY KEY (event_date,type,event_id)
 );
-INSERT INTO t1 VALUES ('1999-07-10',100100,24),('1999-07-11',100100,25),('1999-07-13',100600,0),('1999-07-13',100600,4),('1999-07-13',100600,26),('1999-07-14',100600,10),('1999-07-15',100600,16),('1999-07-15',100800,45),('1999-07-15',101000,47),('1999-07-16',100800,46),('1999-07-20',100600,5),('1999-07-20',100600,27),('1999-07-21',100600,11),('1999-07-22',100600,17),('1999-07-23',100100,39),('1999-07-24',100100,39),('1999-07-24',100500,40),('1999-07-25',100100,39),('1999-07-27',100600,1),('1999-07-27',100600,6),('1999-07-27',100600,28),('1999-07-28',100600,12),('1999-07-29',100500,41),('1999-07-29',100600,18),('1999-07-30',100500,41),('1999-07-31',100500,41),('1999-08-01',100700,34),('1999-08-03',100600,7),('1999-08-03',100600,29),('1999-08-04',100600,13),('1999-08-05',100500,42),('1999-08-05',100600,19),('1999-08-06',100500,42),('1999-08-07',100500,42),('1999-08-08',100500,42),('1999-08-10',100600,2),('1999-08-10',100600,9),('1999-08-10',100600,30),('1999-08-11',100600,14),('1999-08-12',100600,20),('1999-08-17',100500,8),('1999-08-17',100600,31),('1999-08-18',100600,15),('1999-08-19',100600,22),('1999-08-24',100600,3),('1999-08-24',100600,32),('1999-08-27',100500,43),('1999-08-31',100600,33),('1999-09-17',100100,37),('1999-09-18',100100,37),('1999-09-19',100100,37),('2000-12-18',100700,38);
+INSERT INTO t1 VALUES ('1999-07-10',100100,24), ('1999-07-11',100100,25),
+('1999-07-13',100600,0), ('1999-07-13',100600,4), ('1999-07-13',100600,26),
+('1999-07-14',100600,10), ('1999-07-15',100600,16), ('1999-07-15',100800,45),
+('1999-07-15',101000,47), ('1999-07-16',100800,46), ('1999-07-20',100600,5),
+('1999-07-20',100600,27), ('1999-07-21',100600,11), ('1999-07-22',100600,17),
+('1999-07-23',100100,39), ('1999-07-24',100100,39), ('1999-07-24',100500,40),
+('1999-07-25',100100,39), ('1999-07-27',100600,1), ('1999-07-27',100600,6),
+('1999-07-27',100600,28), ('1999-07-28',100600,12), ('1999-07-29',100500,41),
+('1999-07-29',100600,18), ('1999-07-30',100500,41), ('1999-07-31',100500,41),
+('1999-08-01',100700,34), ('1999-08-03',100600,7), ('1999-08-03',100600,29),
+('1999-08-04',100600,13), ('1999-08-05',100500,42), ('1999-08-05',100600,19),
+('1999-08-06',100500,42), ('1999-08-07',100500,42), ('1999-08-08',100500,42),
+('1999-08-10',100600,2), ('1999-08-10',100600,9), ('1999-08-10',100600,30),
+('1999-08-11',100600,14), ('1999-08-12',100600,20), ('1999-08-17',100500,8),
+('1999-08-17',100600,31), ('1999-08-18',100600,15), ('1999-08-19',100600,22),
+('1999-08-24',100600,3), ('1999-08-24',100600,32), ('1999-08-27',100500,43),
+('1999-08-31',100600,33), ('1999-09-17',100100,37), ('1999-09-18',100100,37),
+('1999-09-19',100100,37), ('2000-12-18',100700,38);
 select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
 event_date	type	event_id
 1999-07-10	100100	24
@@ -35,35 +52,21 @@ CLOSED tinyint(4) DEFAULT '0' NOT NULL,
 ISS_DATE date DEFAULT '0000-00-00' NOT NULL,
 PRIMARY KEY (PAPER_ID,YEAR,ISSUE)
 );
-INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12');
-INSERT INTO t1 VALUES (1,1999,111,0,'1999-03-23');
-INSERT INTO t1 VALUES (1,1999,222,0,'1999-03-23');
-INSERT INTO t1 VALUES (3,1999,33,0,'1999-07-12');
-INSERT INTO t1 VALUES (3,1999,32,0,'1999-07-12');
-INSERT INTO t1 VALUES (3,1999,31,0,'1999-07-12');
-INSERT INTO t1 VALUES (3,1999,30,0,'1999-07-12');
-INSERT INTO t1 VALUES (3,1999,29,0,'1999-07-12');
-INSERT INTO t1 VALUES (3,1999,28,0,'1999-07-12');
-INSERT INTO t1 VALUES (1,1999,40,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,41,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,42,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,46,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,47,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,48,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,49,1,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,50,0,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,51,0,'1999-05-01');
-INSERT INTO t1 VALUES (1,1999,200,0,'1999-06-28');
-INSERT INTO t1 VALUES (1,1999,52,0,'1999-06-28');
-INSERT INTO t1 VALUES (1,1999,53,0,'1999-06-28');
-INSERT INTO t1 VALUES (1,1999,54,0,'1999-06-28');
-INSERT INTO t1 VALUES (1,1999,55,0,'1999-06-28');
-INSERT INTO t1 VALUES (1,1999,56,0,'1999-07-01');
-INSERT INTO t1 VALUES (1,1999,57,0,'1999-07-01');
-INSERT INTO t1 VALUES (1,1999,58,0,'1999-07-01');
-INSERT INTO t1 VALUES (1,1999,59,0,'1999-07-01');
-INSERT INTO t1 VALUES (1,1999,60,0,'1999-07-01');
-INSERT INTO t1 VALUES (3,1999,35,0,'1999-07-12');
+INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'), (1,1999,111,0,'1999-03-23'),
+(1,1999,222,0,'1999-03-23'), (3,1999,33,0,'1999-07-12'),
+(3,1999,32,0,'1999-07-12'), (3,1999,31,0,'1999-07-12'),
+(3,1999,30,0,'1999-07-12'), (3,1999,29,0,'1999-07-12'),
+(3,1999,28,0,'1999-07-12'), (1,1999,40,1,'1999-05-01'),
+(1,1999,41,1,'1999-05-01'), (1,1999,42,1,'1999-05-01'),
+(1,1999,46,1,'1999-05-01'), (1,1999,47,1,'1999-05-01'),
+(1,1999,48,1,'1999-05-01'), (1,1999,49,1,'1999-05-01'),
+(1,1999,50,0,'1999-05-01'), (1,1999,51,0,'1999-05-01'),
+(1,1999,200,0,'1999-06-28'), (1,1999,52,0,'1999-06-28'),
+(1,1999,53,0,'1999-06-28'), (1,1999,54,0,'1999-06-28'),
+(1,1999,55,0,'1999-06-28'), (1,1999,56,0,'1999-07-01'),
+(1,1999,57,0,'1999-07-01'), (1,1999,58,0,'1999-07-01'),
+(1,1999,59,0,'1999-07-01'), (1,1999,60,0,'1999-07-01'),
+(3,1999,35,0,'1999-07-12');
 select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28))  order by YEAR,ISSUE;
 YEAR	ISSUE
 1999	29
@@ -88,7 +91,12 @@ PRIMARY KEY (id),
 KEY parent_id (parent_id),
 KEY level (level)
 );
-INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2);
+INSERT INTO t1 VALUES (1,0,0), (3,1,1), (4,1,1), (8,2,2), (9,2,2), (17,3,2),
+(22,4,2), (24,4,2), (28,5,2), (29,5,2), (30,5,2), (31,6,2), (32,6,2), (33,6,2),
+(203,7,2), (202,7,2), (20,3,2), (157,0,0), (193,5,2), (40,7,2), (2,1,1),
+(15,2,2), (6,1,1), (34,6,2), (35,6,2), (16,3,2), (7,1,1), (36,7,2), (18,3,2),
+(26,5,2), (27,5,2), (183,4,2), (38,7,2), (25,5,2), (37,7,2), (21,4,2),
+(19,3,2), (5,1,1), (179,5,2);
 SELECT * FROM t1 WHERE level = 1 AND parent_id = 1;
 id	parent_id	level
 3	1	1
@@ -207,3 +215,14 @@ select count(*) from t1 where art = 'J';
 count(*)
 213
 drop table t1;
+create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
+insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
+(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
+(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
+(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
+(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
+(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
+(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
+select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
+id1	idnull
+drop table t1;