From 889a90436ffd69e94975049b047c413c53b2dfe3 Mon Sep 17 00:00:00 2001
From: Matthijs Brobbel <m1brobbel@gmail.com>
Date: Fri, 13 Sep 2024 11:23:25 +0200
Subject: [PATCH] impl `From<ScalarBuffer<T>>` for `Buffer` (#6389)

---
 arrow-buffer/src/buffer/immutable.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arrow-buffer/src/buffer/immutable.rs b/arrow-buffer/src/buffer/immutable.rs
index fef2f8008b2a..8d1a46583fca 100644
--- a/arrow-buffer/src/buffer/immutable.rs
+++ b/arrow-buffer/src/buffer/immutable.rs
@@ -26,7 +26,7 @@ use crate::BufferBuilder;
 use crate::{bytes::Bytes, native::ArrowNativeType};
 
 use super::ops::bitwise_unary_op_helper;
-use super::MutableBuffer;
+use super::{MutableBuffer, ScalarBuffer};
 
 /// Buffer represents a contiguous memory region that can be shared with other buffers and across
 /// thread boundaries.
@@ -391,6 +391,12 @@ impl<T: ArrowNativeType> From<Vec<T>> for Buffer {
     }
 }
 
+impl<T: ArrowNativeType> From<ScalarBuffer<T>> for Buffer {
+    fn from(value: ScalarBuffer<T>) -> Self {
+        value.into_inner()
+    }
+}
+
 /// Creating a `Buffer` instance by storing the boolean values into the buffer
 impl FromIterator<bool> for Buffer {
     fn from_iter<I>(iter: I) -> Self