From 8baf40103ae41d0c7f36c29d114a7f456a4860ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=92=9F=E4=BF=9D=E7=BD=97?= <zhongbaoluo@shxgroup.net>
Date: Thu, 5 Nov 2020 17:10:48 +0800
Subject: [PATCH] Fix the filter query null pointer after row-level deletion

---
 core/src/main/java/org/apache/iceberg/ManifestReader.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/src/main/java/org/apache/iceberg/ManifestReader.java b/core/src/main/java/org/apache/iceberg/ManifestReader.java
index 8311c1998ebd..a01000fccf7c 100644
--- a/core/src/main/java/org/apache/iceberg/ManifestReader.java
+++ b/core/src/main/java/org/apache/iceberg/ManifestReader.java
@@ -271,6 +271,7 @@ private InclusiveMetricsEvaluator metricsEvaluator() {
   private static boolean requireStatsProjection(Expression rowFilter, Collection<String> columns) {
     // Make sure we have all stats columns for metrics evaluator
     return rowFilter != Expressions.alwaysTrue() &&
+         columns != null &&
         !columns.containsAll(ManifestReader.ALL_COLUMNS) &&
         !columns.containsAll(STATS_COLUMNS);
   }