config root man

drop table if exists t1;
CREATE TABLE t1 ( f_int1 INTEGER NOT NULL, f_int2 INTEGER NOT NULL, 
f_char1 CHAR(10),
f_char2 CHAR(10), f_charbig VARCHAR(1000),
PRIMARY KEY (f_int1,f_int2))
ENGINE = NDB
PARTITION BY LIST(MOD(f_int1 + f_int2,4)) 
(PARTITION part_3 VALUES IN (-3),
PARTITION part_2 VALUES IN (-2),
PARTITION part_1 VALUES IN (-1),
PARTITION part0 VALUES IN (0),
PARTITION part1 VALUES IN (1),
PARTITION part2 VALUES IN (2),
PARTITION part3 VALUES IN (3,4,5));
INSERT INTO t1 SET f_int1 = -2, f_int2 = 20, f_char1 = '20', f_char2 = '20', f_charbig = '===20===';
INSERT INTO t1 SET f_int1 = 1, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
INSERT INTO t1 SET f_int1 = 2, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
INSERT INTO t1 SET f_int1 = 3, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
INSERT INTO t1 SET f_int1 = 4, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
INSERT INTO t1 SET f_int1 = 5, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
INSERT INTO t1 SET f_int1 = 20, f_int2 = 1, f_char1 = '1', f_char2 = '1', f_charbig = '===1===';
SELECT * FROM t1 ORDER BY f_int1;
f_int1	f_int2	f_char1	f_char2	f_charbig
-2	20	20	20	===20===
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===
20	1	1	1	===1===
DROP TABLE t1;
create table t1 ( a int, b int, c int, primary key (a,b)) engine=ndb 
partition by list (a)
(partition part0 values in (0,1,2),
partition part1 values in (3,4,5));
insert into t1 values (0, 0, 0);
insert into t1 values (0, 1, 1);
insert into t1 values (0, 2, 2);
insert into t1 values (1, 0, 3);
insert into t1 values (1, 1, 4);
insert into t1 values (1, 2, 5);
insert into t1 values (4, 0, 6);
insert into t1 values (4, 1, 7);
insert into t1 values (4, 2, 8);
All partitions scan
select * from t1 order by c;
a	b	c
0	0	0
0	1	1
0	2	2
1	0	3
1	1	4
1	2	5
4	0	6
4	1	7
4	2	8
ndb_scan_count
1
ndb_pruned_scan_count
0
Single partition scan
select * from t1 where a=0 order by c;
a	b	c
0	0	0
0	1	1
0	2	2
ndb_scan_count
1
ndb_pruned_scan_count
1
Single partition scan
select * from t1 where a=4 order by c;
a	b	c
4	0	6
4	1	7
4	2	8
ndb_scan_count
1
ndb_pruned_scan_count
1
MRR single partition scan
select * from t1 where a in (0, 2) order by c;
a	b	c
0	0	0
0	1	1
0	2	2
ndb_scan_count
1
ndb_pruned_scan_count
1
drop table t1;