kongfanshen-0801 commented on PR #1799:
URL: https://github.com/apache/cloudberry/pull/1799#issuecomment-4618328225
Thanks for the review! I've restructured the branch to preserve the original
commit history:
- The two upstream PostgreSQL commits are now cherry-picked with their
**original author (Richard Guo), original commit messages, and `(cherry picked
from commit ...)` provenance lines** preserved:
- `Support "Right Semi Join" plan shapes` (aa86129e1)
- `Fix right-semi-joins in HashJoin rescans` (5668a857d)
- The Cloudberry/Greenplum-specific adaptations (moving `JOIN_RIGHT_SEMI` to
the end of the `JoinType` enum to keep the GPDB enum values ABI-stable, and
handling the new join type in `cdbpath_motion_for_join`) are isolated in a
separate follow-up commit.
The code logic is unchanged from what I verified locally (Hash Right Semi
Join chosen and correct via EXPLAIN ANALYZE + cross-validation). PTAL, thanks!
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