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fix(python): declare read-scan methods in the datafusion type stub #918

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Merged
JingsongLi merged 1 commit into from
Sep 24, 2026
Merged

fix(python): declare read-scan methods in the datafusion type stub #918

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12 changes: 12 additions & 0 deletions bindings/python/python/pypaimon_rust/datafusion.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,14 @@ class Plan:
class TableScan:
def with_row_position_slice(self, start: int, end: int) -> "TableScan": ...
def with_row_position_shard(self, index: int, count: int) -> "TableScan": ...
def with_chunk_shuffle(self, seed: str, chunk_size: int) -> "TableScan":
"""Deterministically shuffle fixed-live-row chunks. ``seed`` is a decimal
integer string so arbitrarily large seeds keep Python ``random.Random``
semantics."""
...
def with_shard(self, index: int, count: int) -> "TableScan":
"""Select one balanced worker shard (``index`` of ``count``) for a distributed scan."""
...
def plan(self) -> Plan: ...

class RecordBatchReader:
Expand All @@ -77,6 +85,10 @@ class TableRead:

class ReadBuilder:
def with_projection(self, columns: List[str]) -> "ReadBuilder": ...
def with_nested_projection(self, paths: List[List[str]]) -> "ReadBuilder":
"""Project top-level fields or nested ROW leaves by exact name paths. A MAP
path keeps the complete MAP so the caller can extract literal keys."""
...
def with_case_sensitive(self, case_sensitive: bool) -> "ReadBuilder":
"""
Set whether column-name matching (projection and predicate column
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