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GeezerVison is showing github.com — feat: Add LanceFormat table format with version/tag pinning by haoxu0 · Pull Request #6925 · feast-dev/feast

feat: Add LanceFormat table format with version/tag pinning #6925

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Merged
ntkathole merged 1 commit into feast-dev:master from haoxu0:feat/lance-table-format
Oct 4, 2026

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feat: Add LanceFormat table format with version/tag pinning #6925

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feat: Add LanceFormat table format with version/tag pinning
haoxu0 Oct 1, 2026
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22 changes: 22 additions & 0 deletions 22 protos/feast/core/DataFormat.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -75,11 +75,33 @@ message TableFormat {
map<string, string> properties = 4;
}

// Defines options for the Lance table format
message LanceFormat {
// Optional catalog name for the Lance table
string catalog = 1;

// Optional namespace within the catalog
string namespace = 2;

// Pin reads to a specific Lance dataset version. Zero means unset.
// Mutually exclusive with tag.
uint64 version = 3;

// Pin reads to a named Lance tag, which resolves to a version.
// Mutually exclusive with version.
string tag = 4;

// Additional properties for Lance configuration
// Examples: storage options, index parameters, etc.
map<string, string> properties = 5;
}

// Specifies the table format and format-specific options
oneof format {
IcebergFormat iceberg_format = 1;
DeltaFormat delta_format = 2;
HudiFormat hudi_format = 3;
LanceFormat lance_format = 4;
}
}

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50 changes: 28 additions & 22 deletions 50 sdk/python/feast/protos/feast/core/DataFormat_pb2.py
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63 changes: 60 additions & 3 deletions 63 sdk/python/feast/protos/feast/core/DataFormat_pb2.pyi
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Expand Up @@ -191,25 +191,82 @@ class TableFormat(google.protobuf.message.Message):
) -> None: ...
def ClearField(self, field_name: typing_extensions.Literal["precombine_field", b"precombine_field", "properties", b"properties", "record_key", b"record_key", "table_type", b"table_type"]) -> None: ...

class LanceFormat(google.protobuf.message.Message):
"""Defines options for the Lance table format"""

DESCRIPTOR: google.protobuf.descriptor.Descriptor

class PropertiesEntry(google.protobuf.message.Message):
DESCRIPTOR: google.protobuf.descriptor.Descriptor

KEY_FIELD_NUMBER: builtins.int
VALUE_FIELD_NUMBER: builtins.int
key: builtins.str
value: builtins.str
def __init__(
self,
*,
key: builtins.str = ...,
value: builtins.str = ...,
) -> None: ...
def ClearField(self, field_name: typing_extensions.Literal["key", b"key", "value", b"value"]) -> None: ...

CATALOG_FIELD_NUMBER: builtins.int
NAMESPACE_FIELD_NUMBER: builtins.int
VERSION_FIELD_NUMBER: builtins.int
TAG_FIELD_NUMBER: builtins.int
PROPERTIES_FIELD_NUMBER: builtins.int
catalog: builtins.str
"""Optional catalog name for the Lance table"""
namespace: builtins.str
"""Optional namespace within the catalog"""
version: builtins.int
"""Pin reads to a specific Lance dataset version. Zero means unset.
Mutually exclusive with tag.
"""
tag: builtins.str
"""Pin reads to a named Lance tag, which resolves to a version.
Mutually exclusive with version.
"""
@property
def properties(self) -> google.protobuf.internal.containers.ScalarMap[builtins.str, builtins.str]:
"""Additional properties for Lance configuration
Examples: storage options, index parameters, etc.
"""
def __init__(
self,
*,
catalog: builtins.str = ...,
namespace: builtins.str = ...,
version: builtins.int = ...,
tag: builtins.str = ...,
properties: collections.abc.Mapping[builtins.str, builtins.str] | None = ...,
) -> None: ...
def ClearField(self, field_name: typing_extensions.Literal["catalog", b"catalog", "namespace", b"namespace", "properties", b"properties", "tag", b"tag", "version", b"version"]) -> None: ...

ICEBERG_FORMAT_FIELD_NUMBER: builtins.int
DELTA_FORMAT_FIELD_NUMBER: builtins.int
HUDI_FORMAT_FIELD_NUMBER: builtins.int
LANCE_FORMAT_FIELD_NUMBER: builtins.int
@property
def iceberg_format(self) -> global___TableFormat.IcebergFormat: ...
@property
def delta_format(self) -> global___TableFormat.DeltaFormat: ...
@property
def hudi_format(self) -> global___TableFormat.HudiFormat: ...
@property
def lance_format(self) -> global___TableFormat.LanceFormat: ...
def __init__(
self,
*,
iceberg_format: global___TableFormat.IcebergFormat | None = ...,
delta_format: global___TableFormat.DeltaFormat | None = ...,
hudi_format: global___TableFormat.HudiFormat | None = ...,
lance_format: global___TableFormat.LanceFormat | None = ...,
) -> None: ...
def HasField(self, field_name: typing_extensions.Literal["delta_format", b"delta_format", "format", b"format", "hudi_format", b"hudi_format", "iceberg_format", b"iceberg_format"]) -> builtins.bool: ...
def ClearField(self, field_name: typing_extensions.Literal["delta_format", b"delta_format", "format", b"format", "hudi_format", b"hudi_format", "iceberg_format", b"iceberg_format"]) -> None: ...
def WhichOneof(self, oneof_group: typing_extensions.Literal["format", b"format"]) -> typing_extensions.Literal["iceberg_format", "delta_format", "hudi_format"] | None: ...
def HasField(self, field_name: typing_extensions.Literal["delta_format", b"delta_format", "format", b"format", "hudi_format", b"hudi_format", "iceberg_format", b"iceberg_format", "lance_format", b"lance_format"]) -> builtins.bool: ...
def ClearField(self, field_name: typing_extensions.Literal["delta_format", b"delta_format", "format", b"format", "hudi_format", b"hudi_format", "iceberg_format", b"iceberg_format", "lance_format", b"lance_format"]) -> None: ...
def WhichOneof(self, oneof_group: typing_extensions.Literal["format", b"format"]) -> typing_extensions.Literal["iceberg_format", "delta_format", "hudi_format", "lance_format"] | None: ...

global___TableFormat = TableFormat

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