For offline store，does openmldb have any plan to support doris or clickhouse?

Now, many company build warehouse with some real db like doris clickhouse, and tidb.
does openmldb have any plan to support doris or clickhouse as offline source?

The issue asks about supporting Doris or ClickHouse as an offline source. Research the OpenMLDB architecture for offline storage connectors, likely in the storage or ingestion modules. Check existing documentation on supported offline sources and see how new integrations are designed. Determine what 'done' looks like by understanding the scope of adding a new database backend, which involves design and implementation work.

Written by the indexing model from the issue text.