Doris的一些进阶用法 |
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SQLALTER TABLE base_table_name RENAME ROLLUP old_rollup_name new_rollup_name; mysql> desc ex_user all; +-----------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ | IndexName | IndexKeysType | Field | Type | Null | Key | Default | Extra | Visible | +-----------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ | ex_user | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | date | DATE | No | true | NULL | | true | | | | city | VARCHAR(20) | Yes | true | NULL | | true | | | | age | SMALLINT | Yes | true | NULL | | true | | | | sex | TINYINT | Yes | true | NULL | | true | | | | last_visit_date | DATETIME | Yes | false | 1970-01-01 00:00:00 | REPLACE | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | | | | max_dwell_time | INT | Yes | false | 0 | MAX | true | | | | min_dwell_time | INT | Yes | false | 99999 | MIN | true | | | | | | | | | | | | rollup_ucd_cost | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | city | VARCHAR(20) | Yes | true | NULL | | true | | | | date | DATE | No | true | NULL | | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | | | | | | | | | | | | rollup_u_cost | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | +-----------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ ALTER TABLE ex_user RENAME ROLLUP rollup_u_cost new_rollup_u_cost; mysql> desc ex_user all; +-------------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ | IndexName | IndexKeysType | Field | Type | Null | Key | Default | Extra | Visible | +-------------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ | ex_user | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | date | DATE | No | true | NULL | | true | | | | city | VARCHAR(20) | Yes | true | NULL | | true | | | | age | SMALLINT | Yes | true | NULL | | true | | | | sex | TINYINT | Yes | true | NULL | | true | | | | last_visit_date | DATETIME | Yes | false | 1970-01-01 00:00:00 | REPLACE | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | | | | max_dwell_time | INT | Yes | false | 0 | MAX | true | | | | min_dwell_time | INT | Yes | false | 99999 | MIN | true | | | | | | | | | | | | rollup_ucd_cost | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | city | VARCHAR(20) | Yes | true | NULL | | true | | | | date | DATE | No | true | NULL | | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | | | | | | | | | | | | new_rollup_u_cost | AGG_KEYS | user_id | LARGEINT | No | true | NULL | | true | | | | cost | BIGINT | Yes | false | 0 | SUM | true | +-------------------+---------------+-----------------+-------------+------+-------+---------------------+---------+---------+ |
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