- StarRocks介绍
- 快速开始
- 表设计
- 数据导入
- 数据提取
- 使用StarRocks
- 参考手册
- SQL参考
-
用户账户管理
-
集群管理
- ADMIN CANCEL REPAIR
- ADMIN CHECK TABLET
- ADMIN REPAIR
- ADMIN SET CONFIG
- ADMIN SET REPLICA STATUS
- ADMIN SHOW CONFIG
- ADMIN SHOW REPLICA DISTRIBUTION
- ADMIN SHOW REPLICA STATUS
- ALTER SYSTEM
- CANCEL DECOMMISSION
- CREATE FILE
- DROP FILE
- ENTER
- INSTALL PLUGIN
- LINK DATABASE
- MIGRATE DATABASE
- SHOW BACKENDS
- SHOW BROKER
- SHOW FRONTENDS
- SHOW FULL COLUMNS
- SHOW INDEX
- SHOW MIGRATIONS
- SHOW PLUGINS
- SHOW TABLE STATUS
- SHOW FILE
- UNINSTALL PLUGIN
-
DDL
- ALTER DATABASE
- ALTER TABLE
- ALTER VIEW
- BACKUP
- CANCEL BACKUP
- CANCEL RESTORE
- CREATE DATABASE
- CREATE INDEX
- CREATE MATERIALIZED VIEW
- CREATE REPOSITORY
- CREATE RESOURCE
- CREATE TABLE LIKE
- CREATE TABLE
- CREATE VIEW
- CREATE FUNCTION
- DROP DATABASE
- DROP INDEX
- DROP MATERIALIZED VIEW
- DROP REPOSITORY
- DROP RESOURCE
- DROP TABLE
- DROP VIEW
- DROP FUNCTION
- HLL
- RECOVER
- RESTORE
- SHOW RESOURCES
- SHOW FUNCTION
- TRUNCATE TABLE
-
DML
- ALTER ROUTINE LOAD
- BROKER LOAD
- CANCEL LOAD
- DELETE
- EXPORT
- GROUP BY
- INSERT
- PAUSE ROUTINE LOAD
- RESUME ROUTINE LOAD
- ROUTINE LOAD
- SELECT
- SHOW ALTER
- SHOW BACKUP
- SHOW DATA
- SHOW DATABASES
- SHOW DELETE
- SHOW DYNAMIC PARTITION TABLES
- SHOW EXPORT
- SHOW LOAD
- SHOW PARTITIONS
- SHOW PROPERTY
- SHOW REPOSITORIES
- SHOW RESTORE
- SHOW ROUTINE LOAD
- SHOW ROUTINE LOAD TASK
- SHOW SNAPSHOT
- SHOW TABLES
- SHOW TABLET
- SHOW TRANSACTION
- SPARK LOAD
- STOP ROUTINE LOAD
- STREAM LOAD
-
数据类型
-
辅助命令
-
- 函数参考
- 日期函数
- convert_tz
- curdate
- current_timestamp
- curtime
- datediff
- date_add
- date_format
- date_sub
- date_trunc
- day
- dayname
- dayofmonth
- dayofweek
- dayofyear
- from_days
- from_unixtime
- hour
- minute
- month
- monthname
- now
- second
- str_to_date
- timediff
- timestampadd
- timestampdiff
- to_date
- to_days
- unix_timestamp
- utc_timestamp
- weekofyear
- year
- 地理位置函数
- 字符串函数
- JSON函数
- 聚合函数
- Bitmap函数
- 数组函数
- cast函数
- hash函数
- 日期函数
- 系统变量
- 错误码
- 系统限制
- SQL参考
- 管理手册
- 常见问题解答
- 性能测试
- Release Notes
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
展示默认 db 的所有修改列的任务执行情况
SHOW ALTER TABLE COLUMN;
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
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;
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