peterxcli opened a new pull request, #23854: URL: https://github.com/apache/datafusion/pull/23854
## Which issue does this PR close? - Closes https://github.com/apache/datafusion/issues/23376. ## Rationale for this change Partitioned hash joins build one dynamic filter per build partition. Existing routing uses `hash(key) % N`, which cannot reproduce a Range partitioning layout. Compatible Range co-partitioned joins instead need to route probe rows using their existing ordering and split points. ## What changes are included in this PR? - Enable dynamic filter pushdown for hash joins with compatible Range-partitioned inputs. - Build a searched `CASE` expression that routes probe rows to the corresponding partition filter using the Range ordering and split points. - Preserve empty and canceled partition behavior for both Hash and Range routing. - Move the TopK lexicographic filter builder into the shared ordering module for reuse. ## Are these changes tested? unit test. ## Are there any user-facing changes? no -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
