alamb commented on code in PR #21948:
URL: https://github.com/apache/datafusion/pull/21948#discussion_r3178159307
##########
datafusion/functions/benches/to_char.rs:
##########
@@ -278,6 +278,66 @@ fn criterion_benchmark(c: &mut Criterion) {
)
})
});
+
+ // These bellow 02 benchmarks use Date32 data with format strings that
contain
+ // time specifiers (%H, %M, %S, ...). Arrow's Date32 formatter cannot
+ // handle time specifiers and falls back to a Date64 cast.
+
+ // Covers full fallback (every row triggers the cast)
+ c.bench_function("to_char_array_date32_datetime_patterns_1000", |b| {
Review Comment:
Thank you @huymq1710
Can you please put this new benchmark into a separate PR so that we can use
our automated benchmark runner to compare the performance of main and your
proposal?
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