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import pandas as pd
import pyarrow as pa

from abc import ABC, abstractmethod
from paimon_python_api import Split
from typing import List


class TableRead(ABC):
    """To read data from data splits."""

    @abstractmethod
    def to_arrow(self, splits: List[Split]) -> pa.Table:
        """Read data from splits and converted to pyarrow.Table format."""

    @abstractmethod
    def to_arrow_batch_reader(self, splits: List[Split]) -> pa.RecordBatchReader:
        """Read data from splits and converted to pyarrow.RecordBatchReader format."""

    @abstractmethod
    def to_pandas(self, splits: List[Split]) -> pd.DataFrame:
        """Read data from splits and converted to pandas.DataFrame format."""