Function as_union_array

datafusion/common/src/cast.rs:206–208

Downcast Array to NullArray

(array: &dyn Array)

// Downcast Array to NullArray
pub fn as_union_array(array: &dyn Array) -> Result<&UnionArray> {
    Ok(downcast_value!(array, UnionArray))
}

// Downcast Array to Time32SecondArray
pub fn as_time32_second_array(array: &dyn Array) -> Result<&Time32SecondArray> {