s1ny1998 commented on PR #43000:
URL: https://github.com/apache/superset/pull/43000#issuecomment-5325288667

   Note : 
   
   **4. `clickhouse_engine=` vs. positional `MergeTree`.** This one dissolved
   rather than got fixed: no SQLAlchemy `Table` is constructed any more, and the
   DDL is issued directly as
   `CREATE TABLE ... ENGINE = MergeTree ORDER BY tuple()` through
   `client.command`. clickhouse-connect's DDL classes are no longer imported at
   all, so there's no clash with clickhouse-sqlalchemy owning the `clickhouse`
   keyword namespace, and nothing here needs a version beyond the advertised
   `>=0.13.0`. Identifiers are backtick-quoted with embedded backticks doubled.
   
   
   point 4 is framed as "dissolved" rather than "fixed" because the rewrite 
removed the MergeTree import entirely.


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