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Mask Rule.En

docs/document/content/user-manual/shardingsphere-proxy/distsql/usage/mask-rule.en.md

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+++ title = "MASK" weight = 4 +++

Storage unit Operation

sql
REGISTER STORAGE UNIT ds_0 (
    HOST="127.0.0.1",
    PORT=3306,
    DB="ds_0",
    USER="root",
    PASSWORD="root"
);

Rule Operation

  • Create mask rule
sql
CREATE MASK RULE t_mask (
    COLUMNS(
        (NAME=phone_number,TYPE(NAME='MASK_FROM_X_TO_Y', PROPERTIES("from-x"=1, "to-y"=2, "replace-char"="*"))),
        (NAME=address,TYPE(NAME='MD5'))
));
  • Create mask table
sql
CREATE TABLE `t_mask` (
    `id` int(11) NOT NULL,
    `user_id` varchar(45) DEFAULT NULL,
    `phone_number` varchar(45) DEFAULT NULL,
    `address` varchar(45) DEFAULT NULL,
    PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  • Alter mask rule
sql
ALTER MASK RULE t_mask (
    COLUMNS(
        (NAME=user_id,TYPE(NAME='MD5'))
));
  • Drop mask rule
sql
DROP MASK RULE t_mask;
  • Unregister storage unit
sql
UNREGISTER STORAGE UNIT ds_0;
  • Drop distributed database
sql
DROP DATABASE mask_db;