doris/docs/en/sql-reference/sql-statements/Data Definition/CANCEL ALTER.md

title, language

title	language
CANCEL ALTER	en

CANCEL ALTER

Description

This statement is used to undo an ALTER operation.

1. 撤销 ALTER TABLE COLUMN 操作 Grammar: CANCEL ALTER TABLE COLUMN FROM db_name.table_name

2. 撤销 ALTER TABLE ROLLUP 操作 Grammar: CANCEL ALTER TABLE ROLLUP FROM db_name.table_name

3. batch cancel rollup by job id Grammar: CANCEL ALTER TABLE ROLLUP FROM db_name.table_name (jobid,...) Note: Batch cancel rollup job is a async operation, use show alter table rollup to see whether it executes successfully

4. OTHER CLUSTER Grammar: (To be realized...

example

[CANCEL ALTER TABLE COLUMN]

1. 撤销针对 my_table 的 ALTER COLUMN 操作。 CANCEL ALTER TABLE COLUMN FROM example_db.my_table;

[CANCEL ALTER TABLE ROLLUP]

1. 撤销 my_table 下的 ADD ROLLUP 操作。 CANCEL ALTER TABLE ROLLUP FROM example_db.my_table;

[CANCEL ALTER TABLE ROLLUP]

1. cancel rollup alter job by job id CANCEL ALTER TABLE ROLLUP FROM example_db.my_table (12801,12802);

keyword

CANCEL,ALTER,TABLE,COLUMN,ROLLUP