paimon-python/pypaimon/index/deletion_vector_meta.py

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#    http://www.apache.org/licenses/LICENSE-2.0
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from dataclasses import dataclass
from typing import Optional


@dataclass
class DeletionVectorMeta:
    """Metadata of deletion vector."""

    data_file_name: str
    offset: int
    length: int
    cardinality: Optional[int] = None

    def __eq__(self, other):
        if not isinstance(other, DeletionVectorMeta):
            return False
        return (self.data_file_name == other.data_file_name and
                self.offset == other.offset and
                self.length == other.length and
                self.cardinality == other.cardinality)

    def __hash__(self):
        return hash((self.data_file_name, self.offset, self.length, self.cardinality))