[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #2335: [physical-expr] move aggregate exprs and window exprs to their own modules

[GitBox <gi...@apache.org>]

alamb commented on code in PR #2335:
URL: https://github.com/apache/arrow-datafusion/pull/2335#discussion_r858041689


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datafusion/core/src/physical_plan/aggregate_rule.rs:
##########
@@ -1,20 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one

Review Comment:
   nice cleanup



##########
datafusion/physical-expr/src/expressions/mod.rs:
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@@ -17,84 +17,65 @@
 
 //! Defines physical expressions that can evaluated at runtime during query execution
 
-mod approx_distinct;
-mod approx_percentile_cont;
-mod approx_percentile_cont_with_weight;
-mod array_agg;
-mod average;
 #[macro_use]
 mod binary;
 mod case;
 mod cast;
 mod column;
-mod count;
-mod cume_dist;
 mod get_indexed_field;
 mod in_list;
 mod is_not_null;
 mod is_null;
-mod lead_lag;
 mod literal;
-#[macro_use]
-mod min_max;
-mod approx_median;
-mod correlation;
-mod covariance;
-mod distinct_expressions;
 mod negative;
 mod not;
-mod nth_value;
 mod nullif;
-mod rank;
-mod row_number;
-mod stats;
-mod stddev;
-mod sum;
 mod try_cast;
-mod variance;
 
 /// Module with some convenient methods used in expression building
 pub mod helpers {
-    pub use super::min_max::{max, min};
+    pub use crate::aggregate::min_max::{max, min};
 }
 
-pub use approx_distinct::ApproxDistinct;
-pub use approx_median::ApproxMedian;
-pub use approx_percentile_cont::ApproxPercentileCont;
-pub use approx_percentile_cont_with_weight::ApproxPercentileContWithWeight;
-pub use array_agg::ArrayAgg;
-pub use average::{Avg, AvgAccumulator};
+pub use crate::aggregate::approx_distinct::ApproxDistinct;

Review Comment:
   👍 



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