(paimon) branch master updated: [core] Normalize changelog file format (#5908)

[lzljs3620320]

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lzljs3620320 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/paimon.git


The following commit(s) were added to refs/heads/master by this push:
     new aa5c7c27ac [core] Normalize changelog file format (#5908)
aa5c7c27ac is described below

commit aa5c7c27ac49cdce2bb42e5f87b887ef727d0ef3
Author: xiaochen <598457...@qq.com>
AuthorDate: Wed Jul 16 09:37:48 2025 +0800

    [core] Normalize changelog file format (#5908)
---
 paimon-api/src/main/java/org/apache/paimon/CoreOptions.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paimon-api/src/main/java/org/apache/paimon/CoreOptions.java 
b/paimon-api/src/main/java/org/apache/paimon/CoreOptions.java
index 2d57a7ca48..19ca49737a 100644
--- a/paimon-api/src/main/java/org/apache/paimon/CoreOptions.java
+++ b/paimon-api/src/main/java/org/apache/paimon/CoreOptions.java
@@ -1983,7 +1983,7 @@ public class CoreOptions implements Serializable {
     }
 
     public static String normalizeFileFormat(String fileFormat) {
-        return fileFormat.toLowerCase();
+        return StringUtils.isEmpty(fileFormat) ? fileFormat : 
fileFormat.toLowerCase();
     }
 
     public String dataFilePrefix() {
@@ -2001,7 +2001,7 @@ public class CoreOptions implements Serializable {
 
     @Nullable
     public String changelogFileFormat() {
-        return options.get(CHANGELOG_FILE_FORMAT);
+        return normalizeFileFormat(options.get(CHANGELOG_FILE_FORMAT));
     }
 
     @Nullable