diff --git a/rust/datafusion/src/execution/context.rs b/rust/datafusion/src/execution/context.rs
index aded5f979e39b..5364cab8bc25b 100644
--- a/rust/datafusion/src/execution/context.rs
+++ b/rust/datafusion/src/execution/context.rs
@@ -37,7 +37,9 @@ use crate::execution::filter::FilterRelation;
 use crate::execution::limit::LimitRelation;
 use crate::execution::physical_plan::common;
 use crate::execution::physical_plan::datasource::DatasourceExec;
-use crate::execution::physical_plan::expressions::{BinaryExpr, CastExpr, Column, Literal,};
+use crate::execution::physical_plan::expressions::{
+    BinaryExpr, CastExpr, Column, Literal, Sum,
+};
 use crate::execution::physical_plan::hash_aggregate::HashAggregateExec;
 use crate::execution::physical_plan::merge::MergeExec;
 use crate::execution::physical_plan::projection::ProjectionExec;
@@ -587,6 +589,29 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    fn parallel_selection() -> Result<()> {
+        let tmp_dir = TempDir::new("parallel_selection")?;
+        let partition_count = 4;
+        let mut ctx = create_ctx(&tmp_dir, partition_count)?;
+
+        let logical_plan =
+            ctx.create_logical_plan("SELECT c1, c2 FROM test WHERE c1 > 0 AND c1 < 3")?;
+        let logical_plan = ctx.optimize(&logical_plan)?;
+
+        let physical_plan = ctx.create_physical_plan(&logical_plan, 1024)?;
+
+        let results = ctx.collect(physical_plan.as_ref())?;
+
+        // there should be one batch per partition
+        assert_eq!(results.len(), partition_count);
+
+        let row_count: usize = results.iter().map(|batch| batch.num_rows()).sum();
+        assert_eq!(row_count, 20);
+
+        Ok(())
+    }
+
     #[test]
     fn aggregate() -> Result<()> {
         let results = execute("SELECT SUM(c1), SUM(c2) FROM test", 4)?;
@@ -628,28 +653,6 @@ mod tests {
         ctx.collect(physical_plan.as_ref())
     }
 
-    fn parallel_selection() -> Result<()> {
-        let tmp_dir = TempDir::new("parallel_selection")?;
-        let partition_count = 4;
-        let mut ctx = create_ctx(&tmp_dir, partition_count)?;
-
-        let logical_plan =
-            ctx.create_logical_plan("SELECT c1, c2 FROM test WHERE c1 > 0 AND c1 < 3")?;
-        let logical_plan = ctx.optimize(&logical_plan)?;
-
-        let physical_plan = ctx.create_physical_plan(&logical_plan, 1024)?;
-
-        let results = ctx.collect(physical_plan.as_ref())?;
-
-        // there should be one batch per partition
-        assert_eq!(results.len(), partition_count);
-
-        let row_count: usize = results.iter().map(|batch| batch.num_rows()).sum();
-        assert_eq!(row_count, 20);
-
-        Ok(())
-    }
-
     /// Generate a partitioned CSV file and register it with an execution context
     fn create_ctx(tmp_dir: &TempDir, partition_count: usize) -> Result<ExecutionContext> {
         let mut ctx = ExecutionContext::new();
diff --git a/rust/datafusion/src/execution/physical_plan/expressions.rs b/rust/datafusion/src/execution/physical_plan/expressions.rs
index 52bc1427268bf..ecd1234f38d13 100644
--- a/rust/datafusion/src/execution/physical_plan/expressions.rs
+++ b/rust/datafusion/src/execution/physical_plan/expressions.rs
@@ -22,10 +22,21 @@ use std::rc::Rc;
 use std::sync::Arc;
 
 use crate::error::{ExecutionError, Result};
-use crate::execution::physical_plan::{Accumulator, AggregateExpr, PhysicalExpr};
-use crate::logicalplan::{ScalarValue, Operator};
-use arrow::array::{ArrayRef, Float32Array, Float64Array, Int16Array, Int32Array, Int64Array, Int8Array, UInt16Array, UInt32Array, UInt64Array, UInt8Array, UInt32Builder};
-use arrow::compute::kernels::comparison::{lt, lt_eq, gt, gt_eq, eq, neq};
+use crate::execution::physical_plan::{
+    Accumulator, AggregateExpr, PhysicalExpr, PhysicalExprRef,
+};
+use crate::logicalplan::{Operator, ScalarValue};
+use arrow::array::{
+    ArrayRef, BooleanArray, Float32Array, Float64Array, Int16Array, Int32Array,
+    Int64Array, Int8Array, UInt16Array, UInt32Array, UInt64Array, UInt8Array,
+};
+use arrow::array::{
+    Float32Builder, Float64Builder, Int16Builder, Int32Builder, Int64Builder,
+    Int8Builder, UInt16Builder, UInt32Builder, UInt64Builder, UInt8Builder,
+};
+use arrow::compute::kernels::boolean::{and, or};
+use arrow::compute::kernels::cast::cast;
+use arrow::compute::kernels::comparison::{eq, gt, gt_eq, lt, lt_eq, neq};
 use arrow::datatypes::{DataType, Schema};
 use arrow::record_batch::RecordBatch;
 
@@ -478,11 +489,6 @@ impl PhysicalExpr for CastExpr {
     }
 }
 
-/// Create a column expression
-pub fn col(i: usize) -> PhysicalExprRef {
-    Arc::new(Column::new(i))
-}
-
 /// Create a literal expression
 pub fn lit(value: ScalarValue) -> PhysicalExprRef {
     Arc::new(Literal::new(value))