From c3bffcde12f0f4792a411a3aed5d78b5d833b8b6 Mon Sep 17 00:00:00 2001
From: Yongting You <2010youy01@gmail.com>
Date: Mon, 21 Oct 2024 11:26:46 +0800
Subject: [PATCH 1/2] doc RecordBatch size

---
 arrow-array/src/record_batch.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arrow-array/src/record_batch.rs b/arrow-array/src/record_batch.rs
index c56b1fd308cf..b153d146ce0b 100644
--- a/arrow-array/src/record_batch.rs
+++ b/arrow-array/src/record_batch.rs
@@ -469,6 +469,10 @@ impl RecordBatch {
     }
 
     /// Returns the total number of bytes of memory occupied physically by this batch.
+    /// Note that this does not always correspond to the exact memory usage of an
+    /// `RecordBatch` (might overestimate), since multiple columns can share the same
+    /// buffers or slices thereof, the memory used by the shared buffers might be
+    /// counted multiple times.
     pub fn get_array_memory_size(&self) -> usize {
         self.columns()
             .iter()

From 2cc6d2c7a74b0deb688481b3c041fd150330fd0f Mon Sep 17 00:00:00 2001
From: Yongting You <2010youy01@gmail.com>
Date: Mon, 21 Oct 2024 18:20:51 +0800
Subject: [PATCH 2/2] Update arrow-array/src/record_batch.rs

Co-authored-by: Raphael Taylor-Davies <1781103+tustvold@users.noreply.github.com>
---
 arrow-array/src/record_batch.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arrow-array/src/record_batch.rs b/arrow-array/src/record_batch.rs
index b153d146ce0b..78108d441b05 100644
--- a/arrow-array/src/record_batch.rs
+++ b/arrow-array/src/record_batch.rs
@@ -469,7 +469,8 @@ impl RecordBatch {
     }
 
     /// Returns the total number of bytes of memory occupied physically by this batch.
-    /// Note that this does not always correspond to the exact memory usage of an
+    ///
+    /// Note that this does not always correspond to the exact memory usage of a
     /// `RecordBatch` (might overestimate), since multiple columns can share the same
     /// buffers or slices thereof, the memory used by the shared buffers might be
     /// counted multiple times.