branch-4.0: [fix](hive) Fix partition values cache sync issue in Observer FE during insert #59965 #59994
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…ng insert (#59965) ### What problem does this PR solve? Related PR: #58166 Problem Summary: When Observer FE receives edit logs from Master FE after a Hive insert operation, it may miss adding new partitions to its partition values cache. This happens because: 1. When inserting into a new partition, Master FE refreshes its cache and gets the partition into its partition values cache 2. Master FE records the partition as MODIFIED (not NEW) in the edit log if it already exists in HMS 3. Observer FE processes only newPartNames when updating partition values cache, missing partitions marked as MODIFIED Fix by merging both modifiedPartNames and newPartNames before adding to the partition values cache, ensuring Observer FE stays synchronized with Master FE.
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yiguolei
approved these changes
Jan 18, 2026
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Cherry-picked from #59965