rok commented on a change in pull request #12774:
URL: https://github.com/apache/arrow/pull/12774#discussion_r840763651
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File path: cpp/src/arrow/compute/kernels/scalar_arithmetic.cc
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@@ -1818,11 +1818,13 @@ struct ArithmeticFunction : ScalarFunction {
// Only promote types for binary functions
if (values->size() == 2) {
ReplaceNullWithOtherType(values);
-
- if (auto type = CommonTemporalResolution(values->data(),
values->size())) {
+ auto type = CommonTemporalResolution(values->data(), values->size());
+ if (type) {
+ ReplaceTemporalTypes(type, values);
+ } else if (auto numeric_type = CommonNumeric(*values)) {
+ ReplaceTypes(numeric_type, values);
+ } else if (type == TimeUnit::SECOND) {
ReplaceTemporalTypes(type, values);
Review comment:
@pitrou I'm sure I'm missing something trivial here?
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