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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;