path: root/mysql-test/suite/versioning/r/select.result

create or replace table t1 (
x int unsigned,
y int unsigned,
sys_trx_start SYS_DATATYPE as row start invisible,
sys_trx_end SYS_DATATYPE as row end invisible,
period for system_time (sys_trx_start, sys_trx_end)
) with system versioning;
insert into t1 (x, y) values
(0, 100),
(1, 101),
(2, 102),
(3, 103),
(4, 104),
(5, 105),
(6, 106),
(7, 107),
(8, 108),
(9, 109);
set @t0= now(6);
delete from t1 where x = 3;
delete from t1 where x > 7;
insert into t1(x, y) values(3, 33);
select sys_trx_start from t1 where x = 3 and y = 33 into @t1;
Warnings:
Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
select x, y from t1;
x	y
0	100
1	101
2	102
4	104
5	105
6	106
7	107
3	33
select x as ASOF_x, y from t1 for system_time as of timestamp @t0;
ASOF_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
select x as FROMTO_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
FROMTO_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
select x as BETWAND_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
BETWAND_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
3	33
select x as ALL_x, y from t1 for system_time all;
ALL_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
3	33
ASOF2_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
FROMTO2_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
BETWAND2_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
3	33
create or replace table t1 (
x int unsigned,
y int unsigned
) with system versioning;
create or replace table t2 (
x int unsigned,
y int unsigned
) with system versioning;
insert into t1 values (1, 1), (1, 2), (1, 3), (4, 4), (5, 5);
insert into t2 values (1, 2), (2, 1), (3, 1);
set @t0= now(6);
select t1.x as IJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x;
IJ1_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
select t1.x as LJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x;
LJ1_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
4	4	NULL	NULL
5	5	NULL	NULL
select t1.x as RJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x;
RJ1_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
NULL	NULL	2	1
NULL	NULL	3	1
delete from t1;
delete from t2;
explain extended select * from (select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`x` AS `IJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL join `test`.`t2` FOR SYSTEM_TIME ALL where `test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0` and `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0`
explain extended select * from (select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`x` AS `LJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL left join `test`.`t2` FOR SYSTEM_TIME ALL on(`test`.`t2`.`x` = `test`.`t1`.`x` and `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0`) where `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0`
explain extended select * from (select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`x` AS `RJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t2` FOR SYSTEM_TIME ALL left join `test`.`t1` FOR SYSTEM_TIME ALL on(`test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0`) where `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0`
select * from (select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
IJ2_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
select * from (select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
LJ2_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
4	4	NULL	NULL
5	5	NULL	NULL
select * from (select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
RJ2_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
NULL	NULL	2	1
NULL	NULL	3	1
drop table t1;
drop table t2;
create or replace table t1(x int) with system versioning;
insert into t1 values (1);
delete from t1;
insert into t1 values (2);
delete from t1;
insert into t1 values (3);
delete from t1;
select row_start into @start1 from t1 for system_time all where x = 1;
select row_end into @end1 from t1 for system_time all where x = 1;
select row_start into @start2 from t1 for system_time all where x = 2;
select row_end into @end2 from t1 for system_time all where x = 2;
select row_start into @start3 from t1 for system_time all where x = 3;
select row_end into @end3 from t1 for system_time all where x = 3;
select x as ASOF_x from t1 for system_time as of @start2;
ASOF_x
2
select x as ASOF_x from t1 for system_time as of @end2;
ASOF_x
select x as FROMTO_x from t1 for system_time from @start1 to @end3;
FROMTO_x
1
2
3
select x as FROMTO_x from t1 for system_time from @end1 to @start2;
FROMTO_x
select x as BETWAND_x from t1 for system_time between @start1 and @end3;
BETWAND_x
1
2
3
select x as BETWAND_x from t1 for system_time between @end1 and @start2;
BETWAND_x
2
drop table t1;
create table t1(
A int
) with system versioning;
insert into t1 values(1);
select * from t1;
A
1
create or replace table t1 (x int);
insert into t1 values (1);
select * from t1 for system_time all;
ERROR HY000: Table `t1` is not system-versioned
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
select * from t1 for system_time all for update;
x
1
create or replace table t1 (a int not null auto_increment primary key) with system versioning;
select * from (t1 as t2 left join t1 as t3 using (a)) natural left join t1;
a
create or replace table t1 (a int) with system versioning;
create or replace table t2 (a int) with system versioning;
insert into t1 values(1);
insert into t2 values(1);
create view v1 as select * from t2 inner join t1 using (a);
select * from v1;
a
1
drop view v1;
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
create view vt1 as select a from t1;
select * from t1 natural join vt1;
a
1
drop view vt1;
create or replace table t1(x int) with system versioning;
select * from (t1 as r left join t1 as u using (x)), t1;
x	x
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
create trigger read_end after update on t1
for each row set @end = old.row_end;
update t1 set a=2;
select @end;
@end
MAX_RESULT
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int) with system versioning;
insert into t1 values (1);
insert into t2 values (2);
select * from (select * from t1 cross join t2) as tmp;
a	b
1	2
select * from (select * from (select * from t1 cross join t2) as tmp1) as tmp2;
a	b
1	2
select * from (select * from t1 cross join t2 for system_time as of timestamp ('0-0-0')) as tmp;
a	b
create or replace table t1(a1 int) with system versioning;
create or replace table t2(a2 int) with system versioning;
insert into t1 values(1),(2);
insert into t2 values(1),(2);
select * from t1 for system_time all natural left join t2 for system_time all;
a1	a2
1	1
2	1
1	2
2	2
create or replace table t1(a1 int) with system versioning;
create or replace table t2(a2 int) with system versioning;
insert into t1 values(1),(2);
insert into t2 values(1),(2);
create or replace view v1 as select a1 from t1;
select * from v1 natural join t2;
a1	a2
1	1
2	1
1	2
2	2
select * from v1 natural left join t2;
a1	a2
1	1
2	1
1	2
2	2
select * from v1 natural right join t2;
a2	a1
1	1
2	1
1	2
2	2
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
explain extended
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (flat, BNL join)
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (incremental, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a` from `test`.`t1` FOR SYSTEM_TIME ALL left join (`test`.`t1` FOR SYSTEM_TIME ALL `t2` left join `test`.`t1` FOR SYSTEM_TIME ALL `t3` on(`test`.`t3`.`a` = `test`.`t2`.`a` and `test`.`t3`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999')) on(`test`.`t2`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999' and `test`.`t1`.`a` > 1) where `test`.`t1`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999'
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
a	a
2	1
3	1
2	2
3	2
2	3
3	3
1	NULL
create or replace table t1 (x int) with system versioning;
create or replace table t2 (y int) with system versioning;
insert into t1 values (1), (2), (3);
delete from t1 where x = 3;
insert into t2 values (1);
select * from t1, t2 for system_time all;
x	y
1	1
2	1
select * from (select * from t1 for system_time all, t2 for system_time all)
for system_time all as t;
ERROR HY000: Table `t` is not system-versioned
# TRANSACTION/TIMESTAMP specifier in SYSTEM_TIME [MDEV-14645, Issue #396]
create or replace table t1 (x int) with system versioning engine myisam;
select * from t1 for system_time as of transaction 1;
ERROR HY000: Transaction-precise system versioning for `t1` is not supported
create or replace table t1 (
x int,
sys_trx_start bigint unsigned as row start invisible,
sys_trx_end bigint unsigned as row end invisible,
period for system_time (sys_trx_start, sys_trx_end)
) with system versioning engine innodb;
insert into t1 values (1);
set @ts= now(6);
delete from t1;
select sys_trx_start from t1 for system_time all into @trx_start;
Warnings:
Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
## ensure @trx_start is much lower than unix timestamp
select @trx_start < unix_timestamp(@ts) - 100 as trx_start_good;
trx_start_good
1
## TIMESTAMP specifier
select x from t1 for system_time as of timestamp @ts;
x
1
set @ts= timestamp'1-1-1 0:0:0';
select x from t1 for system_time as of timestamp @ts;
x
## TRANSACTION specifier
select x from t1 for system_time as of transaction @trx_start;
x
1
## no specifier (auto-detection)
select x from t1 for system_time as of @ts;
x
select x from t1 for system_time as of @trx_start;
x
1
### Issue #365, bug 4 (related to #226, optimized fields)
create or replace table t1 (i int, b int) with system versioning;
insert into t1 values (0, 0), (0, 0);
select min(i) over (partition by b) as f
from (select i + 0 as i, b from t1) as tt
order by i;
f
0
0
### Issue #365, bug 5 (dangling AND)
create or replace table t1 (a int);
create or replace table t2 (b int) with system versioning;
select * from t1
where exists (select 1 from t2 where t2.b = t1.a and t2.b = t1.a);
a
### Issue #365, bug 9 (not a derived subquery)
create or replace table t1 (x int) with system versioning;
select t1.x in (select x from t1) a from t1, (select x from t1) b;
a
### Issue #365, bug 10 (WHERE cond freed prematurely for PS)
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
create or replace view v1 as select x from t1 where x = 1;
prepare stmt from "
select x from t1 where x in (select x from v1);";
execute stmt;
x
1
execute stmt;
x
1
### Issue #365, bug 11 (WHERE cond not top level item)
create or replace table t1 (a int, b int,  key idx(a)) with system versioning;
insert into t1 values (1, 1), (2, 2);
select * from t1 where (a, 2) in ((1, 1), (2, 2)) and b = 1;
a	b
### Issue #398, NOW is now non-magic
create or replace table t1 (x int) with system versioning;
select * from t1 for system_time as of current_timestamp;
x
select * from t1 for system_time as of now;
ERROR 42S22: Unknown column 'now' in 'FOR SYSTEM_TIME'
### Issue #405, NATURAL JOIN failure
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int);
create or replace view v1 as select a, row_start, row_end from t1 where a > round(rand()*1000);
select * from v1 natural join t2;
a	row_start	row_end	b
#
# Issue #406, MDEV-14633 Assertion on TRT read
#
create or replace table t1 (pk int primary key, i int, t time, key (i)) with system versioning;
insert into t1 values (1, 10, '15:01:53'), (2, 20, '00:00:00');
delete from t1;
select * from t1 where t = '00:00:00' and i > 0 and row_end <> '2012-12-12 00:00:00';
pk	i	t
#
# MDEV-14816 Assertion `join->best_read < double(1.797...e+308L)' failed in bool greedy_search
#
create or replace table t1 (f1 int) with system versioning;
create or replace table t2 (f2 int) with system versioning;
create or replace table t3 (f3 int);
create or replace table t4 (f4 int);
insert into t1 values (1), (2), (3), (4);
insert into t2 values (1), (2), (3);
insert into t3 values (1), (2);
insert into t4 values (1);
select * from
t1 as t1a
left join t2 as t2a left join (t3 as t3a inner join t1) on t2a.f2 = t3a.f3  on t1a.f1 = t2a.f2
left join (t2 join t3 inner join t4) on t2a.f2 = t1a.f1;
f1	f2	f3	f1	f2	f3	f4
1	1	1	1	1	1	1
2	2	2	1	1	1	1
1	1	1	2	1	1	1
2	2	2	2	1	1	1
1	1	1	3	1	1	1
2	2	2	3	1	1	1
1	1	1	4	1	1	1
2	2	2	4	1	1	1
1	1	1	1	1	2	1
2	2	2	1	1	2	1
1	1	1	2	1	2	1
2	2	2	2	1	2	1
1	1	1	3	1	2	1
2	2	2	3	1	2	1
1	1	1	4	1	2	1
2	2	2	4	1	2	1
1	1	1	1	2	1	1
2	2	2	1	2	1	1
1	1	1	2	2	1	1
2	2	2	2	2	1	1
1	1	1	3	2	1	1
2	2	2	3	2	1	1
1	1	1	4	2	1	1
2	2	2	4	2	1	1
1	1	1	1	2	2	1
2	2	2	1	2	2	1
1	1	1	2	2	2	1
2	2	2	2	2	2	1
1	1	1	3	2	2	1
2	2	2	3	2	2	1
1	1	1	4	2	2	1
2	2	2	4	2	2	1
1	1	1	1	3	1	1
2	2	2	1	3	1	1
1	1	1	2	3	1	1
2	2	2	2	3	1	1
1	1	1	3	3	1	1
2	2	2	3	3	1	1
1	1	1	4	3	1	1
2	2	2	4	3	1	1
1	1	1	1	3	2	1
2	2	2	1	3	2	1
1	1	1	2	3	2	1
2	2	2	2	3	2	1
1	1	1	3	3	2	1
2	2	2	3	3	2	1
1	1	1	4	3	2	1
2	2	2	4	3	2	1
3	3	NULL	NULL	1	1	1
3	3	NULL	NULL	1	2	1
3	3	NULL	NULL	2	1	1
3	3	NULL	NULL	2	2	1
3	3	NULL	NULL	3	1	1
3	3	NULL	NULL	3	2	1
4	NULL	NULL	NULL	NULL	NULL	NULL
#
# MDEV-15004 parser greedily parses AS OF TIMESTAMP
#
select timestamp'2016-02-30 08:07:06';
ERROR HY000: Incorrect DATETIME value: '2016-02-30 08:07:06'
select * from t1 for system_time as of timestamp'2016-02-30 08:07:06';
ERROR HY000: Incorrect DATETIME value: '2016-02-30 08:07:06'
select timestamp('2003-12-31 12:00:00','12:00:00');
timestamp('2003-12-31 12:00:00','12:00:00')
2004-01-01 00:00:00
select * from t1 for system_time as of timestamp('2003-12-31 12:00:00','12:00:00');
f1
#
# MDEV-15391 Server crashes in JOIN::fix_all_splittings_in_plan or Assertion `join->best_read < double(1.79...e+308L)' failed [tempesta-tech#475]
#
create or replace table t1 (f1 int) with system versioning;
insert t1 values (1),(2);
create or replace table t2 (f2 int);
create or replace table t3 (f3 int);
create or replace table t4 (f4 int) with system versioning;
select f1 from t1 join t2 left join t3 left join t4 on f3 = f4 on f3 = f2;
f1
insert t2 values (1),(2);
insert t3 values (1),(2);
insert t4 values (1),(2);
explain extended
select f1 from t1 join t2 left join t3 left join t4 on f3 = f4 on f3 = f2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using join buffer (flat, BNL join)
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (incremental, BNL join)
1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (incremental, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`f1` AS `f1` from `test`.`t1` FOR SYSTEM_TIME ALL join `test`.`t2` left join (`test`.`t3` left join `test`.`t4` FOR SYSTEM_TIME ALL on(`test`.`t4`.`f4` = `test`.`t2`.`f2` and `test`.`t4`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999')) on(`test`.`t3`.`f3` = `test`.`t2`.`f2`) where `test`.`t1`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999'
drop view v1;
drop table t1, t2, t3, t4;
#
# MDEV-15980 FOR SYSTEM_TIME BETWEEN and FROM .. TO work with negative intervals
#
create or replace table t1 (
a int,
row_start SYS_DATATYPE as row start invisible,
row_end SYS_DATATYPE as row end invisible,
period for system_time (row_start, row_end)
) with system versioning;
insert into t1 values (1);
delete from t1;
select row_start from t1 for system_time all into @t1;
Warnings:
Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
select row_end from t1 for system_time all into @t2;
Warnings:
Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
select * from t1 for system_time between @t1 and @t2;
a
1
select * from t1 for system_time between @t2 and @t1;
a
select * from t1 for system_time from @t1 to @t2;
a
1
select * from t1 for system_time from @t2 to @t1;
a
drop table t1;
#
# MDEV-15991 Server crashes in setup_on_expr upon calling SP or function executing DML on versioned tables
#
create or replace table t1 (i int);
insert into t1 values (1);
create or replace procedure p(n int)
begin
select * from t1;
end $
call p(1);
i
1
alter table t1 add system versioning;
call p(2);
i
1
call p(3);
i
1
#
# MDEV-15947 ASAN heap-use-after-free in Item_ident::print or in my_strcasecmp_utf8 or unexpected ER_BAD_FIELD_ERROR upon call of stored procedure reading from versioned table
#
create or replace table t1 (i int) with system versioning;
create or replace procedure p() select * from t1;
call p;
i
flush tables;
call p;
i
call p;
i
drop procedure p;
drop table t1;
call verify_trt_dummy(34);
No	A	B	C	D
1	1	1	1	1
2	1	1	1	1
3	1	1	1	1
4	1	1	1	1
5	1	1	1	1
6	1	1	1	1
7	1	1	1	1
8	1	1	1	1
9	1	1	1	1
10	1	1	1	1
11	1	1	1	1
12	1	1	1	1
13	1	1	1	1
14	1	1	1	1
15	1	1	1	1
16	1	1	1	1
17	1	1	1	1
18	1	1	1	1
19	1	1	1	1
20	1	1	1	1
21	1	1	1	1
22	1	1	1	1
23	1	1	1	1
24	1	1	1	1
25	1	1	1	1
26	1	1	1	1
27	1	1	1	1
28	1	1	1	1
29	1	1	1	1
30	1	1	1	1
31	1	1	1	1
32	1	1	1	1
33	1	1	1	1
34	1	1	1	1