Function google_cloud_bigquery::storage::array::new_null_array
pub fn new_null_array(
data_type: &DataType,
length: usize
) -> Arc<dyn Array, Global>Expand description
Creates a new array of data_type of length length filled
entirely of NULL values
use std::sync::Arc;
use arrow_schema::DataType;
use arrow_array::{ArrayRef, Int32Array, new_null_array};
let null_array = new_null_array(&DataType::Int32, 3);
let array: ArrayRef = Arc::new(Int32Array::from(vec![None, None, None]));
assert_eq!(&array, &null_array);