is-null

Signed-off-by: Joe Isaacs <[email protected]>

Author: joseph-isaacs

vortex-array/src/expr/exprs/is_null.rs

@@ -6,32 +6,33 @@ use std::ops::Not;
 
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
-use vortex_error::vortex_bail;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
+use vortex_error::vortex_bail;
 use vortex_mask::Mask;
-use vortex_vector::bool::BoolVector;
 use vortex_vector::Vector;
 use vortex_vector::VectorOps;
+use vortex_vector::bool::BoolVector;
 
+use crate::Array;
+use crate::ArrayRef;
+use crate::IntoArray;
 use crate::arrays::BoolArray;
 use crate::arrays::ConstantArray;
-use crate::expr::exprs::binary::eq;
-use crate::expr::exprs::literal::lit;
-use crate::expr::functions::EmptyOptions;
-use crate::expr::stats::Stat;
+use crate::expr::ChildName;
 use crate::expr::ExecutionArgs;
 use crate::expr::ExprId;
 use crate::expr::Expression;
 use crate::expr::ExpressionView;
+use crate::expr::ScalarFnExprExt;
 use crate::expr::StatsCatalog;
 use crate::expr::VTable;
 use crate::expr::VTableExt;
-use crate::expr::{ChildName, ScalarFnExprExt};
+use crate::expr::exprs::binary::eq;
+use crate::expr::exprs::literal::lit;
+use crate::expr::functions::EmptyOptions;
+use crate::expr::stats::Stat;
 use crate::scalar_fns::is_null;
-use crate::Array;
-use crate::ArrayRef;
-use crate::IntoArray;
 
 /// Expression that checks for null values.
 pub struct IsNull;
@@ -144,6 +145,7 @@ mod tests {
     use vortex_utils::aliases::hash_set::HashSet;
 
     use super::is_null;
+    use crate::IntoArray;
     use crate::arrays::PrimitiveArray;
     use crate::arrays::StructArray;
     use crate::expr::exprs::binary::eq;
@@ -154,7 +156,6 @@ mod tests {
     use crate::expr::pruning::checked_pruning_expr;
     use crate::expr::stats::Stat;
     use crate::expr::test_harness;
-    use crate::IntoArray;
 
     #[test]
     fn dtype() {

vortex-array/src/scalar_fns/is_null/mod.rs

@@ -5,19 +5,19 @@ use vortex_dtype::DType;
 use vortex_dtype::Nullability::NonNullable;
 use vortex_error::VortexResult;
 use vortex_mask::Mask;
-use vortex_vector::bool::BoolVector;
 use vortex_vector::Datum;
 use vortex_vector::ScalarOps;
 use vortex_vector::Vector;
 use vortex_vector::VectorOps;
+use vortex_vector::bool::BoolVector;
 
+use crate::expr::ChildName;
+use crate::expr::ExprId;
 use crate::expr::functions::ArgName;
 use crate::expr::functions::Arity;
 use crate::expr::functions::EmptyOptions;
 use crate::expr::functions::ExecutionArgs;
 use crate::expr::functions::VTable;
-use crate::expr::ChildName;
-use crate::expr::ExprId;
 
 pub struct IsNull;
 impl VTable for IsNull {
@@ -48,7 +48,8 @@ impl VTable for IsNull {
             Datum::Vector(vec) => Vector::Bool(BoolVector::new(
                 vec.validity().to_bit_buffer(),
                 Mask::AllTrue(vec.len()),
-            )).into()
+            ))
+            .into(),
         })
     }
 }

vortex-vector/src/bool/scalar.rs

@@ -48,4 +48,4 @@ impl From<bool> for Scalar {
     fn from(value: bool) -> Self {
         BoolScalar::new(Some(value)).into()
     }
-}
+}