From 2a88153390c3f4eec30173df78c2beaa1264d9c2 Mon Sep 17 00:00:00 2001
From: luoluoyuyu <zhenyu@apache.org>
Date: Fri, 26 Sep 2025 20:25:15 +0800
Subject: [PATCH 1/2] Modify the TsFileSequenceReaderTimeseriesMetadataIterator
 next function to return a LinkedHashMap

---
 .../read/TsFileSequenceReaderTimeseriesMetadataIterator.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java b/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
index 2fc83d954..c0cd441f2 100644
--- a/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
+++ b/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
@@ -34,6 +34,7 @@
 import java.util.Deque;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.NoSuchElementException;
@@ -91,7 +92,7 @@ public Map<IDeviceID, List<TimeseriesMetadata>> next() {
       throw new NoSuchElementException();
     }
 
-    final Map<IDeviceID, List<TimeseriesMetadata>> timeseriesMetadataMap = new HashMap<>();
+    final Map<IDeviceID, List<TimeseriesMetadata>> timeseriesMetadataMap = new LinkedHashMap<>();
 
     while (currentTimeseriesMetadataCount < timeseriesBatchReadNumber) {
       // 1. Check Buffer

From 0b886f2bff25a0fe922a7030b9cbac69965b19a0 Mon Sep 17 00:00:00 2001
From: luoluoyuyu <zhenyu@apache.org>
Date: Fri, 26 Sep 2025 20:31:30 +0800
Subject: [PATCH 2/2] spotless

---
 .../read/TsFileSequenceReaderTimeseriesMetadataIterator.java     | 1 -
 1 file changed, 1 deletion(-)

diff --git a/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java b/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
index c0cd441f2..b0eb407dc 100644
--- a/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
+++ b/java/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReaderTimeseriesMetadataIterator.java
@@ -32,7 +32,6 @@
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Deque;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;