From a18a65174b21bc4933aeac5b37141faa4a6f2875 Mon Sep 17 00:00:00 2001
From: Wes McKinney <wes.mckinney@twosigma.com>
Date: Tue, 27 Dec 2016 00:06:09 -0500
Subject: [PATCH] Fix compiler warning in clang

Change-Id: Idf0fcb17fa177c7ba371132527672d0c343066b6
---
 cpp/src/arrow/array.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cpp/src/arrow/array.h b/cpp/src/arrow/array.h
index 26d53f7d758..5cd56d6df54 100644
--- a/cpp/src/arrow/array.h
+++ b/cpp/src/arrow/array.h
@@ -147,7 +147,9 @@ class ARROW_EXPORT NumericArray : public PrimitiveArray {
     return PrimitiveArray::EqualsExact(static_cast<const PrimitiveArray&>(other));
   }
 
-  bool ApproxEquals(const std::shared_ptr<Array>& arr) const { return Equals(arr); }
+  bool ApproxEquals(const std::shared_ptr<Array>& arr) const override {
+    return Equals(arr);
+  }
 
   bool RangeEquals(int32_t start_idx, int32_t end_idx, int32_t other_start_idx,
       const ArrayPtr& arr) const override {