daft.functions.decompress#

def decompress(bytes: Expression, codec: COMPRESSION_CODEC) -> Expression:
    """Decompress binary values using the specified codec.

    Args:
        bytes (Binray Expression): The binary expression to decompress.
        codec (str): The decompression codec (deflate, gzip, zlib)

    Returns:
        Expression: A binary expression with the decoded values.

    Examples:
        >>> import zlib
        >>> import daft
        >>> from daft.functions import decompress
        >>> df = daft.from_pydict({"bytes": [zlib.compress(b"hello, world!")]})
        >>> df.select(decompress(df["bytes"], "zlib")).show()
        ╭──────────────────╮
        │ bytes            │
        │ ---              │
        │ Binary           │
        ╞══════════════════╡
        │ b"hello, world!" │
        ╰──────────────────╯
        <BLANKLINE>
        (Showing first 1 of 1 rows)

    """
    return Expression._call_builtin_scalar_fn("decode", bytes, codec=codec)