From 232024e38ba8b73c56a2d804afb8923e43a4cd84 Mon Sep 17 00:00:00 2001
From: Panchen Xue <pan.panchen.xue@gmail.com>
Date: Mon, 15 Jan 2018 14:16:43 -0500
Subject: [PATCH] Update BinaryBuilder::Resize(int64_t capacity) in builder.cc

When building BinaryArrays with a known size using Resize and Reserve methods, space is also reserved for value_data_builder_ to prevent internal reallocation
---
 cpp/src/arrow/builder.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/src/arrow/builder.cc b/cpp/src/arrow/builder.cc
index de132b5f6a0d1..51b94374c85fc 100644
--- a/cpp/src/arrow/builder.cc
+++ b/cpp/src/arrow/builder.cc
@@ -1223,6 +1223,7 @@ Status BinaryBuilder::Resize(int64_t capacity) {
   DCHECK_LT(capacity, std::numeric_limits<int32_t>::max());
   // one more then requested for offsets
   RETURN_NOT_OK(offsets_builder_.Resize((capacity + 1) * sizeof(int64_t)));
+  RETURN_NOT_OK(value_data_builder_.Resize(capacity));
   return ArrayBuilder::Resize(capacity);
 }