pitrou commented on code in PR #45272:
URL: https://github.com/apache/arrow/pull/45272#discussion_r2213555919
##########
cpp/src/arrow/compute/kernels/scalar_compare.cc:
##########
@@ -54,6 +55,39 @@ struct NotEqual {
}
};
+struct ListEqual {
+ template <typename T, typename Arg0, typename Arg1>
+ static T Call(KernelContext*, const Arg0& left, const Arg1& right, Status*) {
+ static_assert(std::is_same<T, bool>::value && std::is_same<Arg0,
Arg1>::value, "");
+
+ if (left.length != right.length) {
+ return false;
+ } else {
+ RangeDataEqualsImpl range_comparer{
+ EqualOptions::Defaults(), false, left, right, 0, 0, 1,
Review Comment:
The parent offset affects reading into the list *offsets* buffer, but it
should not be added to the offsets into the child array (otherwise the parent
offset would be counted twice).
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