- StarRocks
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Edit
ALTER MATERIALIZED VIEW
Description
Alters the name or refresh strategy of an asynchronous materialized view.
Syntax
ALTER MATERIALIZED VIEW [database.]mv_name {REFRESH ASYNC new_refresh_scheme_desc | RENAME [database.]new_mv_name}Parameters in brackets [] is optional.
Parameters
| Parameter | Required | Description |
|---|---|---|
| mv_name | yes | The name of the materialized view to alter. |
| new_refresh_scheme_desc | no | New async refresh strategy, see SQL Reference - CREATE MATERIALIZED VIEW - Parameters for details. |
| new_mv_name | no | New name for the materialized view. |
Example
Example 1: Alter the name of the materialized view
ALTER MATERIALIZED VIEW lo_mv1 RENAME lo_mv1_new_name;Example 2: Alter the refresh interval of the materialized view
ALTER MATERIALIZED VIEW lo_mv2 REFRESH ASYNC EVERY(INTERVAL 1 DAY);