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These settings are available in system.settings and are autogenerated from source.

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rewrite_count_distinct_if_with_count_distinct_implementation

Allows you to rewrite countDistcintIf with count_distinct_implementation setting. Possible values:
  • true — Allow.
  • false — Disallow.

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rewrite_in_to_join

Rewrite expressions like ‘x IN subquery’ to JOIN. This might be useful for optimizing the whole query with join reordering.
Last modified on July 24, 2026