docs: dbt INDEX projections - #6546
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Blargian
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Thank you for your contribution @29antonioac. I'll wait for a review from one of the dbt-clickhouse maintainers before merging. |
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Summary
Documents the new index parameter for the projections model config introduced in ClickHouse/dbt-clickhouse#651.
The index field is syntax sugar for lightweight index projections using the _part_offset virtual column (ClickHouse 25.6+). It accepts a single column name or a list of columns and generates version-appropriate DDL automatically — INDEX … TYPE basic on 26.1+, or (SELECT _part_offset ORDER BY …) on 25.6–26.0. Specifying both query and index on the same projection entry raises a compile-time error.
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