Issues

• [Feature] Support a sharded full-cache backend for Query Service

  apache/paimon#10326 · Filter by author Cribbee opened on Sep 30, 2026

• [Bug] PyPaimon DECIMAL range filters return wrong rows with PyArrow 19

  apache/paimon#10316 · Filter by author wangzhigang1999 opened on Sep 29, 2026

• [Feature] Expose the data file being indexed to FileIndexer writers

  apache/paimon#10314 · Filter by author wangyong9999 opened on Sep 29, 2026

• [Feature] Prune shredded Variant Parquet columns by projection paths in PyArrow reader

  enhancement
  apache/paimon#10302 · Filter by author juntaozhang opened on Sep 28, 2026

• GlobalIndexAssigner crashes on a late bootstrap key after an unaligned checkpoint

  apache/paimon#10294 · Filter by author LuciferYang opened on Sep 28, 2026

• local-sort.max-num-file-handles below 2 causes a data-volume-dependent crash on spill

  apache/paimon#10292 · Filter by author LuciferYang opened on Sep 28, 2026

• Altering a MULTISET column's element type fails with a misleading ColumnNotExistException

  apache/paimon#10290 · Filter by author LuciferYang opened on Sep 28, 2026

• Full-text search returns nothing instead of scanning raw data when no full-text index exists

  apache/paimon#10285 · Filter by author LuciferYang opened on Sep 27, 2026

• Preview time travel throws on a manual-only tag group and fails to resolve a valid auto tag

  apache/paimon#10283 · Filter by author LuciferYang opened on Sep 27, 2026

• Merging deletion vectors across a deletion-vectors.bitmap64 flip crashes with a class-type error

  apache/paimon#10281 · Filter by author LuciferYang opened on Sep 27, 2026

• InMemorySetState.retract NPEs on an absent secondary-index key in MEMORY-cache lookup join

  apache/paimon#10279 · Filter by author LuciferYang opened on Sep 27, 2026

• Renaming a column corrupts field-scoped options: nested renames, spaced CSV entries, and clustering.columns

  apache/paimon#10277 · Filter by author LuciferYang opened on Sep 27, 2026

• spill-compression=none crashes with NullPointerException on disk spill

  apache/paimon#10275 · Filter by author LuciferYang opened on Sep 27, 2026

• Creating a conflicting global index over a primary column succeeds at DDL and then breaks index-backed reads

  apache/paimon#10273 · Filter by author LuciferYang opened on Sep 27, 2026

• JDBC catalog lock swallows non-contention SQL errors as lock contention and busy-spins

  apache/paimon#10271 · Filter by author LuciferYang opened on Sep 27, 2026

• JDBC catalog mishandles failures in dropDatabase, alterDatabase and createTable

  apache/paimon#10269 · Filter by author LuciferYang opened on Sep 27, 2026

• REST Catalog alterTable silently reports success when the server returns a non-table/column 404

  apache/paimon#10267 · Filter by author LuciferYang opened on Sep 27, 2026

• Postpone-bucket getWriteId misparses the write id when data-file.prefix or the commit user contains the -s- separator

  apache/paimon#10265 · Filter by author LuciferYang opened on Sep 27, 2026

• Vector search metric guard is ineffective and ANN segments are scored with the wrong distance metric after the metric changes

  apache/paimon#10263 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] Changelog file format's type limits are not validated at DDL time

  apache/paimon#10261 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] MergeTreeWriter restore drops pending index file changes, corrupting the PK index manifest

  apache/paimon#10258 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] CachingCatalog cascade dropDatabase leaves stale partition cache entries

  apache/paimon#10257 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] Iceberg manifest stats are misaligned for partial-column writes with null value-stats columns

  apache/paimon#10253 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] Changelog commit is not atomic and an empty changelog file aborts safelyGetAllChangelogs

  apache/paimon#10252 · Filter by author LuciferYang opened on Sep 27, 2026

• [Bug] Filesystem/JDBC catalogs silently ignore CREATE TABLE for lance/iceberg types and crash DROP TABLE on spaced external paths

  apache/paimon#10250 · Filter by author LuciferYang opened on Sep 27, 2026