python: expose pyarrow arrow scan reader#8
Draft
abnobdoss wants to merge 1 commit into
Draft
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Stack position: Rust PR after #7 (ABA-142).
Adds
pyiceberg_core.scan.ArrowReaderreturning apyarrow.RecordBatchReadervia arrow-rsIntoPyArrow, backed by iceberg-rust ArrowReader. Scope is intentionally narrowed: it rejects metadata projections and partition-data tasks until the binding can export the exact reader-produced Arrow schema.Validation:
Challenger loop: red-team found schema export mismatches for metadata and partition constants; both are now rejected before pyarrow stream export. Final review green.