snuyanzin opened a new pull request, #27799:
URL: https://github.com/apache/flink/pull/27799
## What is the purpose of the change
In case there is existing materialized table like
```sql
CREATE MATERIALIZED TABLE mt (
DISTRIBUTED BY HASH (b) INTO 7 BUCKETS
AS SELECT t1.* FROM t1
```
and then if there is a query like (with different or absent distribution)
```sql
CREATE MATERIALIZED TABLE mt (
DISTRIBUTED BY HASH (z) INTO 123 BUCKETS
AS SELECT t1.* FROM t1
```
another example when first materialized table is without distribution and in
the second with.
## Verifying this change
New tests introduced
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): ( no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: ( no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): ( no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no )
- The S3 file system connector: ( no)
## Documentation
- Does this pull request introduce a new feature? ( no)
- If yes, how is the feature documented? (not applicable)
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