ALTER DB_DISCOVERY RULE

AlterDatabaseDiscoveryRule ::=
  'ALTER' 'DB_DISCOVERY' 'RULE' databaseDiscoveryDefinition (',' databaseDiscoveryDefinition)*

databaseDiscoveryDefinition ::=
  ruleName '(' 'STORAGE_UNITS' '(' storageUnitName (',' storageUnitName)* ')' ',' 'TYPE' '(' 'NAME' '=' typeName (',' propertiesDefinition)? ')' ',' 'HEARTBEAT' '(' propertiesDefinition ')' ')' 

propertiesDefinition ::=
  'PROPERTIES' '(' key '=' value (',' key '=' value)* ')'

ruleName ::=
  identifier

storageUnitName ::=
  identifier

typeName ::=
  identifier

discoveryHeartbeatName ::=
  identifier

key ::=
  string

value ::=
  literal

ALTER DB_DISCOVERY RULE db_discovery_group_0 (
    STORAGE_UNITS(ds_0, ds_1, ds_2),
    TYPE(NAME='MySQL.MGR',PROPERTIES('group-name'='92504d5b-6dec')),
    HEARTBEAT(PROPERTIES('keep-alive-cron'='0/5 * * * * ?'))
);