Available on crate feature compute_hash
only.
Expand description
Checks if an array of type datatype
can be used in hash
.
use arrow2::compute::hash::can_hash;
use arrow2::datatypes::{DataType};
let data_type = DataType::Int8;
assert_eq!(can_hash(&data_type), true);
let data_type = DataType::Null;
assert_eq!(can_hash(&data_type), false);