From 91a5b49a573b90469ef0c1f1b26e3623b6069b3f Mon Sep 17 00:00:00 2001
From: Clemens Winter <clemenswinter1@gmail.com>
Date: Sat, 3 Aug 2024 16:13:24 -0700
Subject: [PATCH] Fix null WHERE clause

---
 src/engine/operators/vector_operator.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/engine/operators/vector_operator.rs b/src/engine/operators/vector_operator.rs
index fecb343c..e6431786 100644
--- a/src/engine/operators/vector_operator.rs
+++ b/src/engine/operators/vector_operator.rs
@@ -637,7 +637,13 @@ pub mod operator {
         filter: BufferRef<Nullable<u8>>,
         output: TypedBufferRef,
     ) -> Result<BoxedOperator<'a>, QueryError> {
-        if input.is_nullable() {
+        if input.is_null() {
+            Ok(null_vec_like(
+                filter.any(),
+                output.any(),
+                LengthSource::NonZeroU8ElementCount,
+            ))
+        } else if input.is_nullable() {
             reify_types! {
                 "nullable_filter_nullable";
                 input, output: NullablePrimitive;