Sharding
Resource Operation
- Configure data source information
ADD RESOURCE ds_0 (
HOST="127.0.0.1",
PORT=3306,
DB="ds_1",
USER="root",
PASSWORD="root"
),ds_1 (
HOST="127.0.0.1",
PORT=3306,
DB="ds_2",
USER="root",
PASSWORD="root"
);
Rule Operation
CREATE SHARDING TABLE RULE t_order(
RESOURCES(ds_0,ds_1),
SHARDING_COLUMN=order_id,
TYPE(NAME="hash_mod",PROPERTIES("sharding-count"="4")),
KEY_GENERATE_STRATEGY(COLUMN=order_id,TYPE(NAME="snowflake"))
);
CREATE TABLE `t_order` (
`order_id` int NOT NULL,
`user_id` int NOT NULL,
`status` varchar(45) DEFAULT NULL,
PRIMARY KEY (`order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
DROP SHARDING TABLE RULE t_order;
DROP RESOURCE ds_0, ds_1;
- Drop distributed database