(iotdb) branch dev/1.3 updated: Fix division by zero error when flush memtable (#15183)

[haonan]

This is an automated email from the ASF dual-hosted git repository.

haonan pushed a commit to branch dev/1.3
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/dev/1.3 by this push:
     new 78dfd29f6dd Fix division by zero error when flush memtable (#15183)
78dfd29f6dd is described below

commit 78dfd29f6dd0492ed956533195c80a2a1f5be2fa
Author: Haonan <hhao...@outlook.com>
AuthorDate: Tue Mar 25 15:22:08 2025 +0800

    Fix division by zero error when flush memtable (#15183)
---
 .../org/apache/iotdb/db/utils/datastructure/AlignedTVList.java     | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
index 0b9f4d951b0..f379f236290 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
@@ -1288,8 +1288,11 @@ public abstract class AlignedTVList extends TVList {
     if (largestBinaryChunkSize == 0) {
       return largestPrimitivePointSize;
     }
-    int avgPointSizeOfLargestBinaryColumn =
-        (int) largestBinaryChunkSize / 
getColumnValueCnt(largestBinaryColumnIndex);
+    int columnValueCnt = getColumnValueCnt(largestBinaryColumnIndex);
+    if (columnValueCnt == 0) {
+      return largestPrimitivePointSize;
+    }
+    int avgPointSizeOfLargestBinaryColumn = (int) largestBinaryChunkSize / 
columnValueCnt;
     return Math.max(avgPointSizeOfLargestBinaryColumn, 
largestPrimitivePointSize);
   }