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HaiBo Li 9fbc1c7ee6 Support where/orderby/limit after “SHOW ALTER TABLE COLUMN“ syntax (#2380 )

Features：
1、Support WHERE/ORDER BY/LIMIT
2、Columns：TableName、CreatTime、FinishTime、State
3、Only “And” between conditions
4、TableName and State column only support "=" operator
5、CreateTime and FinishTime column support “=”,“>=”,"<=",">","<","!=" operators
6、CreateTime and FinishTime column support Date and DateTime string, eg:"2019-12-04" or "2019-12-04 17:18:00"

TestCase:
MySQL [haibotest]> show alter table column where State='FINISHED' and CreateTime > '2019-12-03' order by FinishTime desc limit 0,2;
+-------+---------------+---------------------+---------------------+---------------+---------+---------------+---------------+---------------+----------+------+----------+---------+
| JobId | TableName | CreateTime | FinishTime | IndexName | IndexId | OriginIndexId | SchemaVersion | TransactionId | State | Msg | Progress | Timeout |
+-------+---------------+---------------------+---------------------+---------------+---------+---------------+---------------+---------------+----------+------+----------+---------+
| 11134 | test_schema_2 | 2019-12-03 19:21:42 | 2019-12-03 19:22:11 | test_schema_2 | 11135 | 11059 | 1:192010000 | 3 | FINISHED | | N/A | 86400 |
| 11096 | test_schema_3 | 2019-12-03 19:21:31 | 2019-12-03 19:21:51 | test_schema_3 | 11097 | 11018 | 1:2063361382 | 2 | FINISHED | | N/A | 86400 |
+-------+---------------+---------------------+---------------------+---------------+---------+---------------+---------------+---------------+----------+------+----------+---------+
2 rows in set (0.00 sec)

2019-12-06 16:24:44 +08:00

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SHOW ALTER

description

该语句用于展示当前正在进行的各类修改任务的执行情况
语法：
    SHOW ALTER [CLUSTER | TABLE [COLUMN | ROLLUP] [FROM db_name]];
    
说明：
    TABLE COLUMN：展示修改列的 ALTER 任务
                  支持语法[WHERE TableName|CreateTime|FinishTime|State] [ORDER BY] [LIMIT]
    TABLE ROLLUP：展示创建或删除 ROLLUP index 的任务
    如果不指定 db_name，使用当前默认 db
    CLUSTER: 展示集群操作相关任务情况（仅管理员使用！待实现...）

example

1. 展示默认 db 的所有修改列的任务执行情况
    SHOW ALTER TABLE COLUMN;

2. 展示某个表最近一次修改列的任务执行情况
    SHOW ALTER TABLE COLUMN WHERE TableName = "table1" ORDER BY CreateTime DESC LIMIT 1;

3. 展示指定 db 的创建或删除 ROLLUP index 的任务执行情况
    SHOW ALTER TABLE ROLLUP FROM example_db;
    
4. 展示集群操作相关任务（仅管理员使用！待实现...）
    SHOW ALTER CLUSTER;

keyword

SHOW,ALTER

1.9 KiB Raw Blame History

SHOW ALTER

description

example

keyword

1.9 KiB

Raw Blame History