From 530d59757226b4e06ddd66c463947c244dcc14a2 Mon Sep 17 00:00:00 2001
From: David Mollitor <dmollitor@apache.org>
Date: Wed, 4 Aug 2021 22:30:52 -0400
Subject: [PATCH] PARQUET-2072: Do Not Determine Both Min/Max for Binary Stats

---
 .../parquet/column/statistics/BinaryStatistics.java    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/parquet-column/src/main/java/org/apache/parquet/column/statistics/BinaryStatistics.java b/parquet-column/src/main/java/org/apache/parquet/column/statistics/BinaryStatistics.java
index 6cd5395c7f..7715c079c6 100644
--- a/parquet-column/src/main/java/org/apache/parquet/column/statistics/BinaryStatistics.java
+++ b/parquet-column/src/main/java/org/apache/parquet/column/statistics/BinaryStatistics.java
@@ -54,9 +54,13 @@ private BinaryStatistics(BinaryStatistics other) {
   @Override
   public void updateStats(Binary value) {
     if (!this.hasNonNullValue()) {
-      initializeStats(value, value);
-    } else {
-      updateStats(value, value);
+      min = value.copy();
+      max = value.copy();
+      this.markAsNotEmpty();
+    } else if (comparator().compare(min, value) > 0) {
+      min = value.copy();
+    } else if (comparator().compare(max, value) < 0) {
+      max = value.copy();
     }
   }