drop table if exists t1, test1, test2;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
KEY(b)	
) engine=ndbcluster;
insert t1 values(1, 2, 3), (2,3, 5), (3, 4, 6), (4, 5, 8), (5,6, 2), (6,7, 2);
select * from t1 order by b;
a	b	c
1	2	3
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
select * from t1 where b >= 4 order by b;
a	b	c
3	4	6
4	5	8
5	6	2
6	7	2
select * from t1 where b = 4 order by b;
a	b	c
3	4	6
select * from t1 where b > 4 order by b;
a	b	c
4	5	8
5	6	2
6	7	2
select * from t1 where b < 4 order by b;
a	b	c
1	2	3
2	3	5
select * from t1 where b <= 4 order by b;
a	b	c
1	2	3
2	3	5
3	4	6
select tt1.* from t1 as tt1, t1 as tt2 use index(b) where tt1.b = tt2.b order by tt1.b;
a	b	c
1	2	3
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
select a, b, c from t1 where a!=2 and c=6;
a	b	c
3	4	6
select a, b, c from t1 where a!=2 order by a;
a	b	c
1	2	3
3	4	6
4	5	8
5	6	2
6	7	2
update t1 set c = 3 where b = 3;
select * from t1 order by a;
a	b	c
1	2	3
2	3	3
3	4	6
4	5	8
5	6	2
6	7	2
update t1 set c = 10 where b >= 6;
select * from t1 order by a;
a	b	c
1	2	3
2	3	3
3	4	6
4	5	8
5	6	10
6	7	10
update t1 set c = 11 where b < 5;
select * from t1 order by a;
a	b	c
1	2	11
2	3	11
3	4	11
4	5	8
5	6	10
6	7	10
update t1 set c = 12 where b > 0;
select * from t1 order by a;
a	b	c
1	2	12
2	3	12
3	4	12
4	5	12
5	6	12
6	7	12
update t1 set c = 13 where b <= 3;
select * from t1 order by a;
a	b	c
1	2	13
2	3	13
3	4	12
4	5	12
5	6	12
6	7	12
update t1 set b = b + 1 where b > 4 and b < 7;
select * from t1 order by a;
a	b	c
1	2	13
2	3	13
3	4	12
4	6	12
5	7	12
6	7	12
update t1 set a = a + 10 where b > 1 and b < 7;
select * from t1 order by a;
a	b	c
5	7	12
6	7	12
11	2	13
12	3	13
13	4	12
14	6	12
drop table t1;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
KEY(b)	
) engine=ndbcluster;
insert t1 values(1, 2, 13), (2,3, 13), (3, 4, 12), (4, 5, 12), (5,6, 12), (6,7, 12);
delete from t1 where b = 3;
select * from t1 order by a;
a	b	c
1	2	13
3	4	12
4	5	12
5	6	12
6	7	12
delete from t1 where b >= 6;
select * from t1 order by a;
a	b	c
1	2	13
3	4	12
4	5	12
delete from t1 where b < 4;
select * from t1 order by a;
a	b	c
3	4	12
4	5	12
delete from t1 where b > 5;
select * from t1 order by a;
a	b	c
3	4	12
4	5	12
delete from t1 where b <= 4;
select * from t1 order by a;
a	b	c
4	5	12
drop table t1;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned not null
) engine = ndb;
create index a1 on t1 (b, c);
insert into t1 values (1, 2, 13);
insert into t1 values (2,3, 13);
insert into t1 values (3, 4, 12);
insert into t1 values (4, 5, 12);
insert into t1 values (5,6, 12);
insert into t1 values (6,7, 12);
insert into t1 values (7, 2, 1);
insert into t1 values (8,3, 6);
insert into t1 values (9, 4, 12);
insert into t1 values (14, 5, 4);
insert into t1 values (15,5,5);
insert into t1 values (16,5, 6);
insert into t1 values (17,4,4);
insert into t1 values (18,1, 7);
select * from t1 order by a;
a	b	c
1	2	13
2	3	13
3	4	12
4	5	12
5	6	12
6	7	12
7	2	1
8	3	6
9	4	12
14	5	4
15	5	5
16	5	6
17	4	4
18	1	7
select * from t1 where b<=5 order by a;
a	b	c
1	2	13
2	3	13
3	4	12
4	5	12
7	2	1
8	3	6
9	4	12
14	5	4
15	5	5
16	5	6
17	4	4
18	1	7
select * from t1 where b<=5 and c=0;
a	b	c
insert into t1 values (19,4, 0);
select * from t1 where b<=5 and c=0;
a	b	c
19	4	0
select * from t1 where b=4 and c<=5 order by a;
a	b	c
17	4	4
19	4	0
select * from t1 where b<=4 and c<=5 order by a;
a	b	c
7	2	1
17	4	4
19	4	0
select * from t1 where b<=5 and c=0 or b<=5 and c=2;
a	b	c
19	4	0
select count(*) from t1 where b = 0;
count(*)
0
select count(*) from t1 where b = 1;
count(*)
1
drop table t1;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned,
c int unsigned,
KEY bc(b,c)
) engine = ndb;
insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
select * from t1 use index (bc) where b IS NULL order by a;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc)order by a;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
select * from t1 use index (bc) order by a;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
select * from t1 use index (PRIMARY) where b IS NULL order by a;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL order by a;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
a	b	c
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
a	b	c
2	NULL	2
select * from t1 use index (bc) where b < 4 order by a;
a	b	c
1	1	1
select * from t1 use index (bc) where b IS NOT NULL order by a;
a	b	c
1	1	1
4	4	NULL
drop table t1;
create table t1 (
a int unsigned primary key,
b int unsigned,
c char(10),
key bc (b, c)
) engine=ndb;
insert into t1 values(1,1,'a'),(2,2,'b'),(3,3,'c'),(4,4,'d'),(5,5,'e');
insert into t1 select a*7,10*b,'f' from t1;
insert into t1 select a*13,10*b,'g' from t1;
insert into t1 select a*17,10*b,'h' from t1;
insert into t1 select a*19,10*b,'i' from t1;
insert into t1 select a*23,10*b,'j' from t1;
insert into t1 select a*29,10*b,'k' from t1;
select b, c from t1 where b <= 10 and c <'f' order by b, c;
b	c
1	a
2	b
3	c
4	d
5	e
select b, c from t1 where b <= 10 and c <'f' order by b desc, c desc;
b	c
5	e
4	d
3	c
2	b
1	a
select b, c from t1 where b=4000 and c<'k' order by b, c;
b	c
4000	h
4000	i
4000	i
4000	i
4000	j
4000	j
4000	j
4000	j
4000	j
4000	j
select b, c from t1 where b=4000 and c<'k' order by b desc, c desc;
b	c
4000	j
4000	j
4000	j
4000	j
4000	j
4000	j
4000	i
4000	i
4000	i
4000	h
select b, c from t1 where 1000<=b and b<=100000 and c<'j' order by b, c;
b	c
1000	h
1000	i
1000	i
1000	i
2000	h
2000	i
2000	i
2000	i
3000	h
3000	i
3000	i
3000	i
4000	h
4000	i
4000	i
4000	i
5000	h
5000	i
5000	i
5000	i
10000	i
20000	i
30000	i
40000	i
50000	i
select b, c from t1 where 1000<=b and b<=100000 and c<'j' order by b desc, c desc;
b	c
50000	i
40000	i
30000	i
20000	i
10000	i
5000	i
5000	i
5000	i
5000	h
4000	i
4000	i
4000	i
4000	h
3000	i
3000	i
3000	i
3000	h
2000	i
2000	i
2000	i
2000	h
1000	i
1000	i
1000	i
1000	h
select min(b), max(b) from t1;
min(b)	max(b)
1	5000000
drop table t1;
CREATE TABLE test1 (
SubscrID int(11) NOT NULL auto_increment,
UsrID int(11) NOT NULL default '0',
PRIMARY KEY  (SubscrID),
KEY idx_usrid (UsrID)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO test1 VALUES (2,224),(3,224),(1,224);
CREATE TABLE test2 (
SbclID int(11) NOT NULL auto_increment,
SbcrID int(11) NOT NULL default '0',
PRIMARY KEY  (SbclID),
KEY idx_sbcrid (SbcrID)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO test2 VALUES (3,2),(1,1),(2,1),(4,2);
select * from test1 order by 1;
SubscrID	UsrID
1	224
2	224
3	224
select * from test2 order by 1;
SbclID	SbcrID
1	1
2	1
3	2
4	2
SELECT s.SubscrID,l.SbclID FROM test1 s left JOIN test2 l ON
l.SbcrID=s.SubscrID WHERE s.UsrID=224 order by 1, 2;
SubscrID	SbclID
1	1
1	2
2	3
2	4
3	NULL
drop table test1;
drop table test2;
create table t1 (
pk int primary key,
dt datetime not null,
da date not null,
ye year not null,
ti time not null,
ts timestamp not null,
index(dt),
index(da),
index(ye),
index(ti),
index(ts)
) engine=ndb;
insert into t1 (pk,dt,da,ye,ti,ts) values
(1, '1901-05-05 23:00:59', '1901-05-05', '1901', '23:00:59', '2001-01-01 23:00:59'),
(2, '1912-09-05 13:00:59', '1912-09-05', '1912', '13:00:59', '2001-01-01 13:00:59'),
(3, '1945-12-31 00:00:00', '1945-12-31', '1945', '00:00:00', '2001-01-01 00:00:00'),
(4, '1955-12-31 00:00:00', '1955-12-31', '1955', '00:00:00', '2001-01-01 00:00:00'),
(5, '1963-06-06 06:06:06', '1963-06-06', '1963', '06:06:06', '2001-01-01 06:06:06'),
(6, '1993-06-06 06:06:06', '1993-06-06', '1993', '06:06:06', '2001-01-01 06:06:06'),
(7, '2001-01-01 10:11:10', '2001-01-01', '2001', '10:11:10', '2001-01-01 10:11:10'),
(8, '2001-01-01 10:11:11', '2001-01-01', '2001', '10:11:11', '2001-01-01 10:11:11'),
(9, '2005-01-31 23:59:59', '2005-01-31', '2005', '23:59:59', '2001-01-01 23:59:59');
select count(*)-9 from t1 use index (dt) where dt >  '1900-01-01 00:00:00';
count(*)-9
0
select count(*)-6 from t1 use index (dt) where dt >= '1955-12-31 00:00:00';
count(*)-6
0
select count(*)-5 from t1 use index (dt) where dt >  '1955-12-31 00:00:00';
count(*)-5
0
select count(*)-5 from t1 use index (dt) where dt <  '1970-03-03 22:22:22';
count(*)-5
0
select count(*)-7 from t1 use index (dt) where dt <  '2001-01-01 10:11:11';
count(*)-7
0
select count(*)-8 from t1 use index (dt) where dt <= '2001-01-01 10:11:11';
count(*)-8
0
select count(*)-9 from t1 use index (dt) where dt <= '2055-01-01 00:00:00';
count(*)-9
0
select count(*)-9 from t1 use index (da) where da >  '1900-01-01';
count(*)-9
0
select count(*)-6 from t1 use index (da) where da >= '1955-12-31';
count(*)-6
0
select count(*)-5 from t1 use index (da) where da >  '1955-12-31';
count(*)-5
0
select count(*)-5 from t1 use index (da) where da <  '1970-03-03';
count(*)-5
0
select count(*)-6 from t1 use index (da) where da <  '2001-01-01';
count(*)-6
0
select count(*)-8 from t1 use index (da) where da <= '2001-01-02';
count(*)-8
0
select count(*)-9 from t1 use index (da) where da <= '2055-01-01';
count(*)-9
0
select count(*)-9 from t1 use index (ye) where ye >  '1900';
count(*)-9
0
select count(*)-6 from t1 use index (ye) where ye >= '1955';
count(*)-6
0
select count(*)-5 from t1 use index (ye) where ye >  '1955';
count(*)-5
0
select count(*)-5 from t1 use index (ye) where ye <  '1970';
count(*)-5
0
select count(*)-6 from t1 use index (ye) where ye <  '2001';
count(*)-6
0
select count(*)-8 from t1 use index (ye) where ye <= '2001';
count(*)-8
0
select count(*)-9 from t1 use index (ye) where ye <= '2055';
count(*)-9
0
select count(*)-9 from t1 use index (ti) where ti >= '00:00:00';
count(*)-9
0
select count(*)-7 from t1 use index (ti) where ti >  '00:00:00';
count(*)-7
0
select count(*)-7 from t1 use index (ti) where ti >  '05:05:05';
count(*)-7
0
select count(*)-5 from t1 use index (ti) where ti >  '06:06:06';
count(*)-5
0
select count(*)-5 from t1 use index (ti) where ti <  '10:11:11';
count(*)-5
0
select count(*)-6 from t1 use index (ti) where ti <= '10:11:11';
count(*)-6
0
select count(*)-8 from t1 use index (ti) where ti <  '23:59:59';
count(*)-8
0
select count(*)-9 from t1 use index (ti) where ti <= '23:59:59';
count(*)-9
0
select count(*)-9 from t1 use index (ts) where ts >= '2001-01-01 00:00:00';
count(*)-9
0
select count(*)-7 from t1 use index (ts) where ts >  '2001-01-01 00:00:00';
count(*)-7
0
select count(*)-7 from t1 use index (ts) where ts >  '2001-01-01 05:05:05';
count(*)-7
0
select count(*)-5 from t1 use index (ts) where ts >  '2001-01-01 06:06:06';
count(*)-5
0
select count(*)-5 from t1 use index (ts) where ts <  '2001-01-01 10:11:11';
count(*)-5
0
select count(*)-6 from t1 use index (ts) where ts <= '2001-01-01 10:11:11';
count(*)-6
0
select count(*)-8 from t1 use index (ts) where ts <  '2001-01-01 23:59:59';
count(*)-8
0
select count(*)-9 from t1 use index (ts) where ts <= '2001-01-01 23:59:59';
count(*)-9
0
drop table t1;
create table t1 (
a int primary key,
s decimal(12),
t decimal(12, 5),
u decimal(12) unsigned,
v decimal(12, 5) unsigned,
key (s),
key (t),
key (u),
key (v)
) engine=ndb;
insert into t1 values
( 0, -000000000007, -0000061.00003,  000000000061,  0000965.00042),
( 1, -000000000007, -0000061.00042,  000000000061,  0000965.00003),
( 2, -071006035767,  4210253.00024,  000000000001,  0000001.84488),
( 3,  000000007115,  0000000.77607,  000077350625,  0000018.00013),
( 4, -000000068391, -0346486.00000,  000000005071,  0005334.00002),
( 5, -521579890459, -1936874.00001,  000000000154,  0000003.00018),
( 6, -521579890459, -1936874.00018,  000000000154,  0000003.00001),
( 7,  000000000333,  0000051.39140,  000000907958,  0788643.08374),
( 8,  000042731229,  0000009.00000,  000000000009,  6428667.00000),
( 9, -000008159769,  0000918.00004,  000096951421,  7607730.00008);
select count(*)- 5 from t1 use index (s) where s  < -000000000007;
count(*)- 5
0
select count(*)- 7 from t1 use index (s) where s <= -000000000007;
count(*)- 7
0
select count(*)- 2 from t1 use index (s) where s  = -000000000007;
count(*)- 2
0
select count(*)- 5 from t1 use index (s) where s >= -000000000007;
count(*)- 5
0
select count(*)- 3 from t1 use index (s) where s  > -000000000007;
count(*)- 3
0
select count(*)- 4 from t1 use index (t) where t  < -0000061.00003;
count(*)- 4
0
select count(*)- 5 from t1 use index (t) where t <= -0000061.00003;
count(*)- 5
0
select count(*)- 1 from t1 use index (t) where t  = -0000061.00003;
count(*)- 1
0
select count(*)- 6 from t1 use index (t) where t >= -0000061.00003;
count(*)- 6
0
select count(*)- 5 from t1 use index (t) where t  > -0000061.00003;
count(*)- 5
0
select count(*)- 2 from t1 use index (u) where u  <  000000000061;
count(*)- 2
0
select count(*)- 4 from t1 use index (u) where u <=  000000000061;
count(*)- 4
0
select count(*)- 2 from t1 use index (u) where u  =  000000000061;
count(*)- 2
0
select count(*)- 8 from t1 use index (u) where u >=  000000000061;
count(*)- 8
0
select count(*)- 6 from t1 use index (u) where u  >  000000000061;
count(*)- 6
0
select count(*)- 5 from t1 use index (v) where v  <  0000965.00042;
count(*)- 5
0
select count(*)- 6 from t1 use index (v) where v <=  0000965.00042;
count(*)- 6
0
select count(*)- 1 from t1 use index (v) where v  =  0000965.00042;
count(*)- 1
0
select count(*)- 5 from t1 use index (v) where v >=  0000965.00042;
count(*)- 5
0
select count(*)- 4 from t1 use index (v) where v  >  0000965.00042;
count(*)- 4
0
drop table t1;
create table t1(a int primary key, b int not null, index(b));
insert into t1 values (1,1), (2,2);
set autocommit=0;
begin;
select count(*) from t1;
count(*)
2
ALTER TABLE t1 ADD COLUMN c int;
select a from t1 where b = 2;
a
2
show tables;
Tables_in_test
t1
drop table t1;
create table t1 (a int, c varchar(10),
primary key using hash (a), index(c)) engine=ndb;
insert into t1 (a, c) values (1,'aaa'),(3,'bbb');
select count(*) from t1 where c<'bbb';
count(*)
1
drop table t1;
set autocommit=1;
show session variables like 'ndb_index_stat_%';
Variable_name	Value
ndb_index_stat_cache_entries	32
ndb_index_stat_enable	OFF
ndb_index_stat_update_freq	20
set ndb_index_stat_enable = off;
show session variables like 'ndb_index_stat_%';
Variable_name	Value
ndb_index_stat_cache_entries	32
ndb_index_stat_enable	OFF
ndb_index_stat_update_freq	20
create table t1 (a int, b int, c varchar(10) not null,
primary key using hash (a), index(b,c)) engine=ndb;
insert into t1 values
(1,10,'aaa'),(2,10,'bbb'),(3,10,'ccc'),
(4,20,'aaa'),(5,20,'bbb'),(6,20,'ccc'),
(7,30,'aaa'),(8,30,'bbb'),(9,30,'ccc');
select count(*) from t1 where b < 10;
count(*)
0
select count(*) from t1 where b >= 10 and c >= 'bbb';
count(*)
6
select count(*) from t1 where b > 10;
count(*)
6
select count(*) from t1 where b <= 20 and c < 'ccc';
count(*)
4
select count(*) from t1 where b = 20 and c = 'ccc';
count(*)
1
select count(*) from t1 where b > 20;
count(*)
3
select count(*) from t1 where b = 30 and c > 'aaa';
count(*)
2
select count(*) from t1 where b <= 20;
count(*)
6
select count(*) from t1 where b >= 20 and c > 'aaa';
count(*)
4
drop table t1;
set ndb_index_stat_enable = on;
set ndb_index_stat_cache_entries = 0;
show session variables like 'ndb_index_stat_%';
Variable_name	Value
ndb_index_stat_cache_entries	0
ndb_index_stat_enable	ON
ndb_index_stat_update_freq	20
create table t1 (a int, b int, c varchar(10) not null,
primary key using hash (a), index(b,c)) engine=ndb;
insert into t1 values
(1,10,'aaa'),(2,10,'bbb'),(3,10,'ccc'),
(4,20,'aaa'),(5,20,'bbb'),(6,20,'ccc'),
(7,30,'aaa'),(8,30,'bbb'),(9,30,'ccc');
select count(*) from t1 where b < 10;
count(*)
0
select count(*) from t1 where b >= 10 and c >= 'bbb';
count(*)
6
select count(*) from t1 where b > 10;
count(*)
6
select count(*) from t1 where b <= 20 and c < 'ccc';
count(*)
4
select count(*) from t1 where b = 20 and c = 'ccc';
count(*)
1
select count(*) from t1 where b > 20;
count(*)
3
select count(*) from t1 where b = 30 and c > 'aaa';
count(*)
2
select count(*) from t1 where b <= 20;
count(*)
6
select count(*) from t1 where b >= 20 and c > 'aaa';
count(*)
4
drop table t1;
set ndb_index_stat_enable = on;
set ndb_index_stat_cache_entries = 4;
set ndb_index_stat_update_freq = 2;
show session variables like 'ndb_index_stat_%';
Variable_name	Value
ndb_index_stat_cache_entries	4
ndb_index_stat_enable	ON
ndb_index_stat_update_freq	2
create table t1 (a int, b int, c varchar(10) not null,
primary key using hash (a), index(b,c)) engine=ndb;
insert into t1 values
(1,10,'aaa'),(2,10,'bbb'),(3,10,'ccc'),
(4,20,'aaa'),(5,20,'bbb'),(6,20,'ccc'),
(7,30,'aaa'),(8,30,'bbb'),(9,30,'ccc');
select count(*) from t1 where b < 10;
count(*)
0
select count(*) from t1 where b >= 10 and c >= 'bbb';
count(*)
6
select count(*) from t1 where b > 10;
count(*)
6
select count(*) from t1 where b <= 20 and c < 'ccc';
count(*)
4
select count(*) from t1 where b = 20 and c = 'ccc';
count(*)
1
select count(*) from t1 where b > 20;
count(*)
3
select count(*) from t1 where b = 30 and c > 'aaa';
count(*)
2
select count(*) from t1 where b <= 20;
count(*)
6
select count(*) from t1 where b >= 20 and c > 'aaa';
count(*)
4
drop table t1;
set ndb_index_stat_enable = @@global.ndb_index_stat_enable;
set ndb_index_stat_cache_entries = @@global.ndb_index_stat_cache_entries;
set ndb_index_stat_update_freq = @@global.ndb_index_stat_update_freq;
show session variables like 'ndb_index_stat_%';
Variable_name	Value
ndb_index_stat_cache_entries	32
ndb_index_stat_enable	OFF
ndb_index_stat_update_freq	20
create table t1 (a int primary key) engine = ndb;
insert into t1 values (1), (2), (3);
begin;
delete from t1 where a > 1;
rollback;
select * from t1 order by a;
a
1
2
3
begin;
delete from t1 where a > 1;
rollback;
begin;
select * from t1 order by a;
a
1
2
3
delete from t1 where a > 2;
select * from t1 order by a;
a
1
2
delete from t1 where a > 1;
select * from t1 order by a;
a
1
delete from t1 where a > 0;
select * from t1 order by a;
a
rollback;
select * from t1 order by a;
a
1
2
3
delete from t1;
drop table t1;
create table nationaldish (DishID int(10) unsigned NOT NULL AUTO_INCREMENT,
CountryCode char(3) NOT NULL,
DishTitle varchar(64) NOT NULL,
calories smallint(5) unsigned DEFAULT NULL,
PRIMARY KEY (DishID),
INDEX i USING HASH (countrycode,calories)
) ENGINE=ndbcluster;
ERROR HY000: Can't create table 'test.nationaldish' (errno: 138)
create table nationaldish (DishID int(10) unsigned NOT NULL AUTO_INCREMENT,
CountryCode char(3) NOT NULL,
DishTitle varchar(64) NOT NULL,
calories smallint(5) unsigned DEFAULT NULL,
PRIMARY KEY (DishID)
) ENGINE=ndbcluster;
create index i on nationaldish(countrycode,calories) using hash;
ERROR 42000: Table 'nationaldish' uses an extension that doesn't exist in this MySQL version
drop table nationaldish;
