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The JSON-to-columns approach is a best practice for analytic applications. ClickHouse has a feature called materialized columns that allows you to do this cheap
by hodgesrm 6y ago
The JSON-to-columns approach is a best practice for analytic applications. ClickHouse has a feature called materialized columns that allows you to do this cheaply. You can add new columns that are computed from JSON on existing rows and materialized for new rows.