LightDB(13.8-23.3)支持ALTER TABLE name TRUNCATE PARTITION partition_name update indexes语法

普通range分区表

create table test_part_update_indexes_range(id int primary key) 
PARTITION by range(id)(
partition p1 VALUES LESS THAN (202000) nocompress, 
partition p2 VALUES LESS THAN (202001) compress, 
partition p3 VALUES LESS THAN (202002)
);

ALTER  TABLE  test_part_update_indexes_range  TRUNCATE  PARTITION  p1;

drop table test_part_update_indexes_range;

create table test_part_update_indexes_range(id int primary key) 
PARTITION by range(id)(
partition p1 VALUES LESS THAN (202000) nocompress, 
partition p2 VALUES LESS THAN (202001) compress, 
partition p3 VALUES LESS THAN (202002)
);

ALTER  TABLE  test_part_update_indexes_range  TRUNCATE  PARTITION  p1 update indexes;

drop table test_part_update_indexes_range;

普通list分区表

CREATE TABLE test_part_update_indexes_list(
       LOG_ID NUMBER(20) PRIMARY KEY,
       LOG_DATE DATE,
       LOG_DESC VARCHAR2(20)
)
PARTITION BY LIST(LOG_ID)
(
 PARTITION PART_LOG_01 VALUES (1),
 PARTITION PART_LOG_02 VALUES (2),
 PARTITION PART_LOG_03 VALUES (3),
 PARTITION PART_LOG_04 VALUES (4),
 PARTITION PART_LOG_05 VALUES (5),
 PARTITION PART_LOG_06 VALUES (6),
 PARTITION PART_LOG_07 VALUES (7)
);

ALTER  TABLE  test_part_update_indexes_list  TRUNCATE  PARTITION  PART_LOG_01;

drop table test_part_update_indexes_list;

CREATE TABLE test_part_update_indexes_list(
       LOG_ID NUMBER(20) PRIMARY KEY,
       LOG_DATE DATE,
       LOG_DESC VARCHAR2(20)
)
PARTITION BY LIST(LOG_ID)
(
 PARTITION PART_LOG_01 VALUES (1),
 PARTITION PART_LOG_02 VALUES (2),
 PARTITION PART_LOG_03 VALUES (3),
 PARTITION PART_LOG_04 VALUES (4),
 PARTITION PART_LOG_05 VALUES (5),
 PARTITION PART_LOG_06 VALUES (6),
 PARTITION PART_LOG_07 VALUES (7)
);

ALTER  TABLE  test_part_update_indexes_list  TRUNCATE  PARTITION  PART_LOG_01 update indexes;

drop table test_part_update_indexes_list;

普通hash分区表

CREATE TABLE test_part_update_indexes_hash(
       LOG_ID NUMBER(20) PRIMARY KEY,
       LOG_DATE DATE,
       LOG_DESC VARCHAR2(20)
)
PARTITION BY HASH(LOG_ID)
(
 PARTITION PART_LOG_01,
 PARTITION PART_LOG_02,
 PARTITION PART_LOG_03,
 PARTITION PART_LOG_04,
 PARTITION PART_LOG_05,
 PARTITION PART_LOG_06,
 PARTITION PART_LOG_07
);

ALTER  TABLE  test_part_update_indexes_hash  TRUNCATE  PARTITION  PART_LOG_01;

drop table test_part_update_indexes_hash;

CREATE TABLE test_part_update_indexes_hash(
       LOG_ID NUMBER(20) PRIMARY KEY,
       LOG_DATE DATE,
       LOG_DESC VARCHAR2(20)
)
PARTITION BY HASH(LOG_ID)
(
 PARTITION PART_LOG_01,
 PARTITION PART_LOG_02,
 PARTITION PART_LOG_03,
 PARTITION PART_LOG_04,
 PARTITION PART_LOG_05,
 PARTITION PART_LOG_06,
 PARTITION PART_LOG_07
);

ALTER  TABLE  test_part_update_indexes_hash  TRUNCATE  PARTITION  PART_LOG_01 update indexes;

drop table test_part_update_indexes_hash;

range+list的二级分区表

CREATE TABLE test_part_upd_idx_range_list
(
    a int, 
    b float, 
    c varchar(20),
    d date,
    e timestamp,
primary key(a,b)
) PARTITION BY RANGE(a)
SUBPARTITION BY LIST (b)
SUBPARTITION TEMPLATE 
(
    SUBPARTITION p1 VALUES (1.1, 2.1, 3.1) COMPRESS ,
    SUBPARTITION p2 VALUES (4.1) NOCOMPRESS 
)
(
    PARTITION p1 VALUES LESS THAN(10) COMPRESS ,
    PARTITION p2 VALUES LESS THAN(20) NOCOMPRESS ,
    PARTITION p3 VALUES LESS THAN(30)
);

ALTER  TABLE  test_part_upd_idx_range_list  TRUNCATE  PARTITION  p1;

drop table test_part_upd_idx_range_list;

CREATE TABLE test_part_upd_idx_range_list
(
    a int, 
    b float, 
    c varchar(20),
    d date,
    e timestamp,
primary key(a,b)
) PARTITION BY RANGE(a)
SUBPARTITION BY LIST (b)
SUBPARTITION TEMPLATE 
(
    SUBPARTITION p1 VALUES (1.1, 2.1, 3.1) COMPRESS ,
    SUBPARTITION p2 VALUES (4.1) NOCOMPRESS 
)
(
    PARTITION p1 VALUES LESS THAN(10) COMPRESS ,
    PARTITION p2 VALUES LESS THAN(20) NOCOMPRESS ,
    PARTITION p3 VALUES LESS THAN(30)
);

ALTER  TABLE  test_part_upd_idx_range_list  TRUNCATE  PARTITION  p1 update indexes;

drop table test_part_upd_idx_range_list;

range+hash的二级分区表

create table test_part_upd_idx_range_hash
(
    transaction_id number,
    item_id number(8) not null,
    item_description varchar(300),
    transaction_date DATE,
primary key(transaction_date,transaction_id)
)
partition by range(transaction_date) 
subpartition by hash(transaction_id)  
subpartitions 2 
(
    partition p1 values less than(to_date('2020-01-01','yyyy-mm-dd')) COMPRESS ,
    partition p2 values less than(to_date('2021-01-01','yyyy-mm-dd')) NOCOMPRESS ,
    partition p3 values less than(to_date('2022-01-01','yyyy-mm-dd'))
);

ALTER  TABLE  test_part_upd_idx_range_hash  TRUNCATE  PARTITION  p1;

drop table test_part_upd_idx_range_hash;

create table test_part_upd_idx_range_hash
(
    transaction_id number,
    item_id number(8) not null,
    item_description varchar(300),
    transaction_date DATE,
primary key(transaction_date,transaction_id)
)
partition by range(transaction_date) 
subpartition by hash(transaction_id)  
subpartitions 2 
(
    partition p1 values less than(to_date('2020-01-01','yyyy-mm-dd')) COMPRESS ,
    partition p2 values less than(to_date('2021-01-01','yyyy-mm-dd')) NOCOMPRESS ,
    partition p3 values less than(to_date('2022-01-01','yyyy-mm-dd'))
);

ALTER  TABLE  test_part_upd_idx_range_hash  TRUNCATE  PARTITION  p1 update indexes;

drop table test_part_upd_idx_range_hash;

list+hash的二级分区表

create table test_part_upd_idx_list_hash
(
    transaction_id number,
    item_id number(8) not null,
    item_description varchar(300),
    transaction_date DATE,
primary key(transaction_date,transaction_id)
)
partition by list(transaction_id) 
subpartition by hash(transaction_date)  
subpartitions 2 
(
    partition p1 values (1) COMPRESS ,
    partition p2 values (2,3,4) NOCOMPRESS ,
    partition p3 values (5,6)
);

ALTER  TABLE  test_part_upd_idx_list_hash  TRUNCATE  PARTITION  p1;

drop table test_part_upd_idx_list_hash;

create table test_part_upd_idx_list_hash
(
    transaction_id number,
    item_id number(8) not null,
    item_description varchar(300),
    transaction_date DATE,
primary key(transaction_date,transaction_id)
)
partition by list(transaction_id) 
subpartition by hash(transaction_date)  
subpartitions 2 
(
    partition p1 values (1) COMPRESS ,
    partition p2 values (2,3,4) NOCOMPRESS ,
    partition p3 values (5,6)
);

ALTER  TABLE  test_part_upd_idx_list_hash  TRUNCATE  PARTITION  p1 update indexes;

drop table test_part_upd_idx_list_hash;