From 3b76428de9bedee53fc836831014c1f0bfaef39c Mon Sep 17 00:00:00 2001
From: ElvinWei <zhengte.wei@outlook.com>
Date: Wed, 12 Jul 2023 14:57:06 +0800
Subject: [PATCH] [fix](stats) when some stat is NULL, causing an exception
 during display stats (#21588)

During manual statistics injection, some statistics may beNULL, causing an exception during display.
---
 .../java/org/apache/doris/statistics/ColumnStatistic.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatistic.java b/fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatistic.java
index 744c4af7a0..48277b3c51 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatistic.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatistic.java
@@ -192,13 +192,13 @@ public class ColumnStatistic {
             }
             String min = resultRow.getColumnValue("min");
             String max = resultRow.getColumnValue("max");
-            if (min != null) {
+            if (min != null && !min.equalsIgnoreCase("NULL")) {
                 columnStatisticBuilder.setMinValue(StatisticsUtil.convertToDouble(col.getType(), min));
                 columnStatisticBuilder.setMinExpr(StatisticsUtil.readableValue(col.getType(), min));
             } else {
                 columnStatisticBuilder.setMinValue(Double.MIN_VALUE);
             }
-            if (max != null) {
+            if (max != null && !max.equalsIgnoreCase("NULL")) {
                 columnStatisticBuilder.setMaxValue(StatisticsUtil.convertToDouble(col.getType(), max));
                 columnStatisticBuilder.setMaxExpr(StatisticsUtil.readableValue(col.getType(), max));
             } else {