morningman opened a new issue, #70527:
URL: https://github.com/apache/doris/issues/70527
Track the engine feature requested in apache/doris-website#4110. The
documentation issue will be closed in favor of this engine issue.
The reporter wants to change the replica allocation of an existing
asynchronous materialized view (MTMV), including moving replicas to BE nodes
with another location tag for workload isolation.
Requested syntax:
```sql
ALTER MATERIALIZED VIEW db_name.mv_name
SET ("replication_allocation" = "tag.location.default: 1,
tag.location.offline: 2");
```
Expected scope: define whether and how the property can be changed for an
existing MTMV, apply the change consistently to its physical table and
partitions, validate available tagged BEs, and document supported versions and
restrictions.
The original report does not provide a Doris version, table/view DDL, or a
full execution error. This issue preserves the request; it does not claim the
syntax is currently supported or independently reproduce a failure.
Original report: https://github.com/apache/doris-website/issues/4110
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