amorynan commented on code in PR #29297:
URL: https://github.com/apache/doris/pull/29297#discussion_r1441462591
##########
be/src/vec/columns/column.h:
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@@ -453,6 +453,7 @@ class IColumn : public COW<IColumn> {
* For example, if nan_direction_hint == -1 is used by descending
sorting, NaNs will be at the end.
*
* For non Nullable and non floating point types, nan_direction_hint is
ignored.
+ * For array/map/struct types, comparison means equal.
Review Comment:
This note is not accurate.
My actual expression is
For array/map/struct types, we compare with nested column element and
offsets size
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