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DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a <INT_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> PARTITION BY HASH(a) PARTITIONS 2;
INSERT INTO t1 (a) VALUES (1),(2),(2),(3),(4);
ALTER TABLE t1 ADD PARTITION PARTITIONS 2;
EXPLAIN PARTiTIONS SELECT a FROM t1 WHERE a = 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p3 # # # # # # #
ALTER TABLE t1 COALESCE PARTITION 1;
EXPLAIN PARTiTIONS SELECT a FROM t1 WHERE a = 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 # # # # # # #
ALTER TABLE t1 REORGANIZE PARTITION;
EXPLAIN PARTiTIONS SELECT a FROM t1 WHERE a = 2;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 # # # # # # #
ALTER TABLE t1 REBUILD PARTITION p0;
EXPLAIN PARTiTIONS SELECT a FROM t1;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 # # # # # # #
ALTER TABLE t1 REMOVE PARTITIONING;
EXPLAIN PARTiTIONS SELECT a FROM t1;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 NULL # # # # # # #
ALTER TABLE t1 PARTITION BY LIST(a) (PARTITION p0 VALUES IN (1,2,3), PARTITION p1 VALUES IN (101,102));
ERROR HY000: Table has no partition for value 4
ALTER TABLE t1 PARTITION BY LIST(a) (PARTITION p0 VALUES IN (1,2,3,4), PARTITION p1 VALUES IN (101,102));
INSERT INTO t1 (a) VALUES (50);
ERROR HY000: Table has no partition for value 50
ALTER TABLE t1 ADD PARTITION (PARTITION p2 VALUES IN (50,51));
INSERT INTO t1 (a) VALUES (50);
ALTER TABLE t1 DROP PARTITION p1;
ALTER TABLE t1 REORGANIZE PARTITION p0, p2 INTO (PARTITION p0 VALUES IN (1,2,3), PARTITION p1 VALUES IN (4), PARTITION p2 VALUES IN (50,51), PARTITION p3 VALUES IN (101,102));
EXPLAIN PARTiTIONS SELECT a FROM t1 WHERE a = 2;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 # # # # # # #
DROP TABLE t1;
CREATE TABLE t1 (a <INT_COLUMN>, b <INT_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> PARTITION BY LIST(a) SUBPARTITION by HASH(b) (
PARTITION abc VALUES IN (1,2,3),
PARTITION def VALUES IN (100,101,102)
);
ALTER TABLE t1 DROP PARTITION abc;
DROP TABLE t1;
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