rewrite_* session settings

These settings are available in system.settings and are autogenerated from the ClickHouse snapshot.

rewrite_count_distinct_if_with_count_distinct_implementation

Allows you to rewrite countDistcintIf with count_distinct_implementation setting.

Possible values:

• true — Allow.
• false — Disallow.

rewrite_in_to_join

Rewrite expressions like ‘x IN subquery’ to JOIN. This might be useful for optimizing the whole query with join reordering.