From 6d401451cc3b6ff36bf93b4959ca5d11858219e0 Mon Sep 17 00:00:00 2001
From: zhengyu <freeman.zhang1992@gmail.com>
Date: Wed, 20 Mar 2024 12:04:07 +0800
Subject: [PATCH] [fix](stats) sort partitions when do sample analyze (#32185)

---
 .../java/org/apache/doris/statistics/OlapAnalysisTask.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/statistics/OlapAnalysisTask.java b/fe/fe-core/src/main/java/org/apache/doris/statistics/OlapAnalysisTask.java
index 5e04c31571..b225abbe3d 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/statistics/OlapAnalysisTask.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/statistics/OlapAnalysisTask.java
@@ -39,6 +39,7 @@ import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -254,7 +255,9 @@ public class OlapAnalysisTask extends BaseAnalysisTask {
         List<Long> sampleTabletIds = new ArrayList<>();
         long actualSampledRowCount = 0;
         boolean enough = false;
-        for (Partition p : olapTable.getPartitions()) {
+        List<Partition> sortedPartitions = olapTable.getPartitions().stream().sorted(
+                Comparator.comparing(Partition::getName)).collect(Collectors.toList());
+        for (Partition p : sortedPartitions) {
             MaterializedIndex materializedIndex = info.indexId == -1 ? p.getBaseIndex() : p.getIndex(info.indexId);
             if (materializedIndex == null) {
                 continue;