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Merge with 4.0.14

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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
This commit is contained in:
unknown
2003-08-11 22:44:43 +03:00
parent f4646c0d06 6db21de014
commit 034b44cb9f
363 changed files with 13819 additions and 2895 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
mysql-test/r/range.result
View File

@ -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;