Function binary_array_value

parquet-variant-compute/src/variant_array.rs:45–52

Returns the raw bytes at the given index from a binary-like array, return `None` if the array isn't binary-like.

(array: &dyn Array, index: usize)

/// Returns the raw bytes at the given index from a binary-like array, return `None` if the array isn't binary-like.
pub(crate) fn binary_array_value(array: &dyn Array, index: usize) -> Option<&[u8]> {
    match array.data_type() {
        DataType::Binary => Some(array.as_binary::<i32>().value(index)),
        DataType::LargeBinary => Some(array.as_binary::<i64>().value(index)),
        DataType::BinaryView => Some(array.as_binary_view().value(index)),
        _ => None,
    }
}

/// Returns a [`Variant`] from a `metadata` and `value` byte arrays, returns `None`
/// if one of them is of invalid type.