fix(cubesql): Normalize EXTRACT/DATE_TRUNC granularities

Signed-off-by: Alex Qyoun-ae <[email protected]>

Author: MazterQyou

rust/cubesql/cubesql/src/compile/engine/df/optimizers/mod.rs

@@ -3,9 +3,11 @@ pub mod utils;
 mod filter_push_down;
 mod filter_split_meta;
 mod limit_push_down;
+mod plan_normalize;
 mod sort_push_down;
 
 pub use filter_push_down::FilterPushDown;
 pub use filter_split_meta::FilterSplitMeta;
 pub use limit_push_down::LimitPushDown;
+pub use plan_normalize::PlanNormalize;
 pub use sort_push_down::SortPushDown;