From d70bd944321f45d58e7c5762014e0d66b3921c64 Mon Sep 17 00:00:00 2001
From: AKIRA <33112463+Kikyou1997@users.noreply.github.com>
Date: Thu, 10 Aug 2023 11:46:56 +0800
Subject: [PATCH] [opt](stats) No more sync unknown stats since cannot
 serialize (#22775)

Gson can't serialize INFINITY under current configuration
---
 .../main/java/org/apache/doris/statistics/StatisticsCache.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticsCache.java b/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticsCache.java
index 0ec24e09b9b954..fdb3bb221a4ace 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticsCache.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticsCache.java
@@ -232,6 +232,9 @@ public void syncLoadColStats(long tableId, long idxId, String colName) {
         final StatisticsCacheKey k =
                 new StatisticsCacheKey(tableId, idxId, colName);
         final ColumnStatistic c = ColumnStatistic.fromResultRow(columnResults);
+        if (c == ColumnStatistic.UNKNOWN) {
+            return;
+        }
         putCache(k, c);
         TUpdateFollowerStatsCacheRequest updateFollowerStatsCacheRequest = new TUpdateFollowerStatsCacheRequest();
         updateFollowerStatsCacheRequest.key = GsonUtils.GSON.toJson(k);