pola-rs/polars · error · ComputeError

statistics load failure for filter column: {p}

Error message

statistics load failure for filter column: {p}

What it means

Error "statistics load failure for filter column: {p}" thrown in pola-rs/polars.

Source

Thrown at py-polars/src/polars/io/iceberg/_utils.py:529

        for stats in self.file_column_statistics.values():
            stats.push_file_statistics(file)

    def finish(
        self,
        expected_height: int,
        identity_transformed_values: dict[int, pl.Series | str],
    ) -> pl.DataFrame:
        import polars as pl

        out: list[pl.DataFrame] = [
            pl.Series("len", self.file_lengths, dtype=pl.UInt32).to_frame()
        ]

        for field_id, stat_builder in self.file_column_statistics.items():
            if (p := identity_transformed_values.get(field_id)) is not None:
                if isinstance(p, str):
                    msg = f"statistics load failure for filter column: {p}"
                    raise ComputeError(msg)

            column_stats_df = stat_builder.finish(expected_height, p)
            out.append(column_stats_df)

        return pl.concat(out, how="horizontal", strict=True)


@dataclass
class IcebergColumnStatisticsLoader:
    column_name: str
    column_dtype: pl.DataType
    field_id: int
    load_from_bytes_impl: LoadFromBytesImpl | None
    null_count: list[int | None]
    min_values: list[bytes | None]
    max_values: list[bytes | None]

    def push_file_statistics(self, file: DataFile) -> None:

View on GitHub (pinned to df599052da)

When it happens

Trigger: Thrown at py-polars/src/polars/io/iceberg/_utils.py:529 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pola-rs/polars@df599052da (2026-08-16). Data as JSON: /api/errors/29177b285b0bb00b. Report an issue: GitHub.