alamb commented on code in PR #7520:
URL: https://github.com/apache/arrow-rs/pull/7520#discussion_r2093384535
##########
arrow/benches/concatenate_kernel.rs:
##########
@@ -178,6 +177,50 @@ fn add_benchmark(c: &mut Criterion) {
c.bench_function("concat fixed size lists", |b| {
b.iter(|| bench_concat(&v1, &v2))
});
+
+ {
+ let batch_size = 1024;
+ let batch_count = 2;
+ let struct_arrays = (0..batch_count)
+ .map(|_| {
+ let ints = create_primitive_array::<Int32Type>(batch_size,
0.0);
+ let string_dict = create_sparse_dict_from_values::<Int32Type>(
+ batch_size,
+ 0.0,
+ &create_string_array_with_len::<i32>(20, 0.0, 10),
+ 0..10,
+ );
+ let int_dict = create_sparse_dict_from_values::<UInt16Type>(
+ batch_size,
+ 0.0,
+ &create_primitive_array::<Int64Type>(20, 0.0),
+ 0..10,
+ );
+ let fields = vec![
+ Field::new("int_field", ints.data_type().clone(), false),
+ Field::new("strings_dict_field",
string_dict.data_type().clone(), false),
+ Field::new("int_dict_field", int_dict.data_type().clone(),
false),
+ ];
+
+ StructArray::try_new(
+ fields.clone().into(),
+ vec![Arc::new(ints), Arc::new(string_dict),
Arc::new(int_dict)],
+ None,
+ )
+ .unwrap()
+ })
+ .collect::<Vec<_>>();
+
+ let array_refs = struct_arrays
Review Comment:
this is a really annoying part of the concat API
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