datafusion 37.0.0

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//
//   http://www.apache.org/licenses/LICENSE-2.0
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// under the License.

#[macro_use]
extern crate criterion;
extern crate arrow;
extern crate datafusion;

mod data_utils;
use crate::criterion::Criterion;
use datafusion::functions_array::expr_fn::{array_replace_all, make_array};
use datafusion_expr::lit;

fn criterion_benchmark(c: &mut Criterion) {
    // Construct large arrays for benchmarking

    let array_len = 100000000;

    let array = (0..array_len).map(|_| lit(2_i64)).collect::<Vec<_>>();
    let list_array = make_array(vec![make_array(array); 3]);
    let from_array = make_array(vec![lit(2_i64); 3]);
    let to_array = make_array(vec![lit(-2_i64); 3]);

    let expected_array = list_array.clone();

    // Benchmark array functions

    c.bench_function("array_replace", |b| {
        b.iter(|| {
            assert_eq!(
                array_replace_all(
                    list_array.clone(),
                    from_array.clone(),
                    to_array.clone()
                ),
                *criterion::black_box(&expected_array)
            )
        })
    });
}

criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);