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[Data] Added version arg to read_delta_lake #54976

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Merged
merged 3 commits into from
Nov 16, 2025
Merged

[Data] Added version arg to read_delta_lake #54976

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a5445ae
added version arg
soffer-anyscale Jul 28, 2025
6983bea
Merge branch 'master' into data_delta_lake_read
soffer-anyscale Aug 13, 2025
c28b38c
Merge branch 'master' into data_delta_lake_read
richardliaw Nov 16, 2025
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4 changes: 3 additions & 1 deletion python/ray/data/read_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4306,6 +4306,7 @@ def read_unity_catalog(
@PublicAPI(stability="alpha")
def read_delta(
path: Union[str, List[str]],
version: Optional[int] = None,
*,
filesystem: Optional["pyarrow.fs.FileSystem"] = None,
columns: Optional[List[str]] = None,
Expand Down Expand Up @@ -4333,6 +4334,7 @@ def read_delta(
Args:
path: A single file path for a Delta Lake table. Multiple tables are not yet
supported.
version: The version of the Delta Lake table to read. If not specified, the latest version is read.
filesystem: The PyArrow filesystem
implementation to read from. These filesystems are specified in the
`pyarrow docs <https://arrow.apache.org/docs/python/api/\
Expand Down Expand Up @@ -4402,7 +4404,7 @@ def read_delta(
raise ValueError("Only a single Delta Lake table path is supported.")

# Get the parquet file paths from the DeltaTable
paths = DeltaTable(path).file_uris()
paths = DeltaTable(path, version=version).file_uris()

return read_parquet(
paths,
Expand Down