From e250eb1ad25feafe32c7ad6da25aa4b600456d8f Mon Sep 17 00:00:00 2001
From: kikyo <cyborgz1999@gmail.com>
Date: Wed, 9 Aug 2023 16:09:39 +0800
Subject: [PATCH] no more sync unknown stats

---
 .../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 2a2ea06135f33b..12e306ad0c3606 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
@@ -241,6 +241,9 @@ 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);