Use f64::total_cmp instead of OrderedFloat

datafusion/common/Cargo.toml

@@ -44,7 +44,6 @@ arrow = { version = "26.0.0", default-features = false }
 chrono = { version = "0.4", default-features = false }
 cranelift-module = { version = "0.89.0", optional = true }
 object_store = { version = "0.5.0", default-features = false, optional = true }
-ordered-float = "3.0"
 parquet = { version = "26.0.0", default-features = false, optional = true }
 pyo3 = { version = "0.17.1", optional = true }
 sqlparser = "0.26"

datafusion/common/src/scalar.rs

@@ -24,6 +24,9 @@ use std::ops::{Add, Sub};
 use std::str::FromStr;
 use std::{convert::TryFrom, fmt, iter::repeat, sync::Arc};
 
+use crate::cast::as_struct_array;
+use crate::delta::shift_months;
+use crate::error::{DataFusionError, Result};
 use arrow::{
     array::*,
     compute::kernels::cast::{cast, cast_with_options, CastOptions},
@@ -37,11 +40,6 @@ use arrow::{
     },
 };
 use chrono::{Datelike, Duration, NaiveDate, NaiveDateTime};
-use ordered_float::OrderedFloat;
-
-use crate::cast::as_struct_array;
-use crate::delta::shift_months;
-use crate::error::{DataFusionError, Result};
 
 /// Represents a dynamically typed, nullable single value.
 /// This is the single-valued counter-part of arrow's `Array`.
@@ -116,8 +114,7 @@ pub enum ScalarValue {
     Dictionary(Box<DataType>, Box<ScalarValue>),
 }
 
-// manual implementation of `PartialEq` that uses OrderedFloat to
-// get defined behavior for floating point
+// manual implementation of `PartialEq`
 impl PartialEq for ScalarValue {
     fn eq(&self, other: &Self) -> bool {
         use ScalarValue::*;
@@ -131,17 +128,15 @@ impl PartialEq for ScalarValue {
             (Decimal128(_, _, _), _) => false,
             (Boolean(v1), Boolean(v2)) => v1.eq(v2),
             (Boolean(_), _) => false,
-            (Float32(v1), Float32(v2)) => {
-                let v1 = v1.map(OrderedFloat);
-                let v2 = v2.map(OrderedFloat);
-                v1.eq(&v2)
-            }
+            (Float32(v1), Float32(v2)) => match (v1, v2) {
+                (Some(f1), Some(f2)) => f1.to_bits() == f2.to_bits(),
+                _ => v1.eq(v2),
+            },
             (Float32(_), _) => false,
-            (Float64(v1), Float64(v2)) => {
-                let v1 = v1.map(OrderedFloat);
-                let v2 = v2.map(OrderedFloat);
-                v1.eq(&v2)
-            }
+            (Float64(v1), Float64(v2)) => match (v1, v2) {
+                (Some(f1), Some(f2)) => f1.to_bits() == f2.to_bits(),
+                _ => v1.eq(v2),
+            },
             (Float64(_), _) => false,
             (Int8(v1), Int8(v2)) => v1.eq(v2),
             (Int8(_), _) => false,
@@ -201,8 +196,7 @@ impl PartialEq for ScalarValue {
     }
 }
 
-// manual implementation of `PartialOrd` that uses OrderedFloat to
-// get defined behavior for floating point
+// manual implementation of `PartialOrd`
 impl PartialOrd for ScalarValue {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
         use ScalarValue::*;
@@ -221,17 +215,15 @@ impl PartialOrd for ScalarValue {
             (Decimal128(_, _, _), _) => None,
             (Boolean(v1), Boolean(v2)) => v1.partial_cmp(v2),
             (Boolean(_), _) => None,
-            (Float32(v1), Float32(v2)) => {
-                let v1 = v1.map(OrderedFloat);
-                let v2 = v2.map(OrderedFloat);
-                v1.partial_cmp(&v2)
-            }
+            (Float32(v1), Float32(v2)) => match (v1, v2) {
+                (Some(f1), Some(f2)) => Some(f1.total_cmp(f2)),
+                _ => v1.partial_cmp(v2),
+            },
             (Float32(_), _) => None,
-            (Float64(v1), Float64(v2)) => {
-                let v1 = v1.map(OrderedFloat);
-                let v2 = v2.map(OrderedFloat);
-                v1.partial_cmp(&v2)
-            }
+            (Float64(v1), Float64(v2)) => match (v1, v2) {
+                (Some(f1), Some(f2)) => Some(f1.total_cmp(f2)),
+                _ => v1.partial_cmp(v2),
+            },
             (Float64(_), _) => None,
             (Int8(v1), Int8(v2)) => v1.partial_cmp(v2),
             (Int8(_), _) => None,
@@ -625,8 +617,23 @@ where
     intermediate.add(Duration::milliseconds(ms as i64))
 }
 
-// manual implementation of `Hash` that uses OrderedFloat to
-// get defined behavior for floating point
+//Float wrapper over f32/f64. Just because we cannot build std::hash::Hash for floats directly we have to do it through type wrapper
+struct Fl<T>(T);
+
+macro_rules! hash_float_value {
+    ($(($t:ty, $i:ty)),+) => {
+        $(impl std::hash::Hash for Fl<$t> {
+            #[inline]
+            fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+                state.write(&<$i>::from_ne_bytes(self.0.to_ne_bytes()).to_ne_bytes())
+            }
+        })+
+    };
+}
+
+hash_float_value!((f64, u64), (f32, u32));
+
+// manual implementation of `Hash`
 impl std::hash::Hash for ScalarValue {
     fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
         use ScalarValue::*;
@@ -637,14 +644,8 @@ impl std::hash::Hash for ScalarValue {
                 s.hash(state)
             }
             Boolean(v) => v.hash(state),
-            Float32(v) => {
-                let v = v.map(OrderedFloat);
-                v.hash(state)
-            }
-            Float64(v) => {
-                let v = v.map(OrderedFloat);
-                v.hash(state)
-            }
+            Float32(v) => v.map(Fl).hash(state),
+            Float64(v) => v.map(Fl).hash(state),
             Int8(v) => v.hash(state),
             Int16(v) => v.hash(state),
             Int32(v) => v.hash(state),

datafusion/core/Cargo.toml

@@ -80,7 +80,6 @@ log = "^0.4"
 num-traits = { version = "0.2", optional = true }
 num_cpus = "1.13.0"
 object_store = "0.5.0"
-ordered-float = "3.0"
 parking_lot = "0.12"
 parquet = { version = "26.0.0", features = ["arrow", "async"] }
 paste = "^1.0"

datafusion/physical-expr/Cargo.toml

@@ -55,7 +55,6 @@ itertools = { version = "0.10", features = ["use_std"] }
 lazy_static = { version = "^1.4.0" }
 md-5 = { version = "^0.10.0", optional = true }
 num-traits = { version = "0.2", default-features = false }
-ordered-float = "3.0"
 paste = "^1.0"
 rand = "0.8"
 regex = { version = "^1.4.3", optional = true }

datafusion/physical-expr/src/aggregate/approx_percentile_cont.rs

@@ -15,7 +15,7 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::aggregate::tdigest::TryIntoOrderedF64;
+use crate::aggregate::tdigest::TryIntoF64;
 use crate::aggregate::tdigest::{TDigest, DEFAULT_MAX_SIZE};
 use crate::expressions::{format_state_name, Literal};
 use crate::{AggregateExpr, PhysicalExpr};
@@ -30,7 +30,6 @@ use datafusion_common::DataFusionError;
 use datafusion_common::Result;
 use datafusion_common::{downcast_value, ScalarValue};
 use datafusion_expr::{Accumulator, AggregateState};
-use ordered_float::OrderedFloat;
 use std::{any::Any, iter, sync::Arc};
 
 /// APPROX_PERCENTILE_CONT aggregate expression
@@ -267,9 +266,7 @@ impl ApproxPercentileAccumulator {
         self.digest = TDigest::merge_digests(digests);
     }
 
-    pub(crate) fn convert_to_ordered_float(
-        values: &ArrayRef,
-    ) -> Result<Vec<OrderedFloat<f64>>> {
+    pub(crate) fn convert_to_float(values: &ArrayRef) -> Result<Vec<f64>> {
         match values.data_type() {
             DataType::Float64 => {
                 let array = downcast_value!(values, Float64Array);
@@ -371,8 +368,7 @@ impl Accumulator for ApproxPercentileAccumulator {
     fn update_batch(&mut self, values: &[ArrayRef]) -> Result<()> {
         let values = &values[0];
         let sorted_values = &arrow::compute::sort(values, None)?;
-        let sorted_values =
-            ApproxPercentileAccumulator::convert_to_ordered_float(sorted_values)?;
+        let sorted_values = ApproxPercentileAccumulator::convert_to_float(sorted_values)?;
         self.digest = self.digest.merge_sorted_f64(&sorted_values);
         Ok(())
     }

datafusion/physical-expr/src/aggregate/approx_percentile_cont_with_weight.rs

@@ -126,8 +126,8 @@ impl Accumulator for ApproxPercentileWithWeightAccumulator {
             weights.len(),
             "invalid number of values in means and weights"
         );
-        let means_f64 = ApproxPercentileAccumulator::convert_to_ordered_float(means)?;
-        let weights_f64 = ApproxPercentileAccumulator::convert_to_ordered_float(weights)?;
+        let means_f64 = ApproxPercentileAccumulator::convert_to_float(means)?;
+        let weights_f64 = ApproxPercentileAccumulator::convert_to_float(weights)?;
         let mut digests: Vec<TDigest> = vec![];
         for (mean, weight) in means_f64.iter().zip(weights_f64.iter()) {
             digests.push(TDigest::new_with_centroid(

datafusion/physical-expr/src/aggregate/count_distinct.rs

@@ -410,7 +410,6 @@ mod tests {
 
     macro_rules! test_count_distinct_update_batch_floating_point {
         ($ARRAY_TYPE:ident, $DATA_TYPE:ident, $PRIM_TYPE:ty) => {{
-            use ordered_float::OrderedFloat;
             let values: Vec<Option<$PRIM_TYPE>> = vec![
                 Some(<$PRIM_TYPE>::INFINITY),
                 Some(<$PRIM_TYPE>::NAN),
@@ -437,10 +436,10 @@ mod tests {
 
             let mut state_vec =
                 state_to_vec!(&states[0], $DATA_TYPE, $PRIM_TYPE).unwrap();
+
+            dbg!(&state_vec);
             state_vec.sort_by(|a, b| match (a, b) {
-                (Some(lhs), Some(rhs)) => {
-                    OrderedFloat::from(*lhs).cmp(&OrderedFloat::from(*rhs))
-                }
+                (Some(lhs), Some(rhs)) => lhs.total_cmp(rhs),
                 _ => a.partial_cmp(b).unwrap(),
             });