Re: [D] Support for nested data [superset]

["thedeceptio (via GitHub)" <gi...@apache.org>]

GitHub user thedeceptio added a comment to the discussion: Support for nested data

I've been running ClickHouse + Superset in production and have run into the same limitation.

I've been exploring a design where array columns become first-class semantic types with an MVP consisting only of:

- Contains
- Explode (arrayJoin/UNNEST)
- Length

The implementation would introduce a generic multi-valued dimension abstraction rather than a ClickHouse-specific feature.

Would maintainers be interested in a SIP/prototype for this?

GitHub link: https://github.com/apache/superset/discussions/25328#discussioncomment-17381344

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