amorynan commented on code in PR #29297:
URL: https://github.com/apache/doris/pull/29297#discussion_r1442610158
##########
be/src/vec/columns/column_struct.cpp:
##########
@@ -185,6 +185,27 @@ const char*
ColumnStruct::deserialize_and_insert_from_arena(const char* pos) {
return pos;
}
+int ColumnStruct::compare_at(size_t n, size_t m, const IColumn& rhs_,
+ int nan_direction_hint) const {
+ const ColumnStruct& rhs = assert_cast<const ColumnStruct&>(rhs_);
+
+ const size_t lhs_tuple_size = columns.size();
+ const size_t rhs_tuple_size = rhs.tuple_size();
+
+ if (rhs_tuple_size < lhs_tuple_size) {
Review Comment:
I think it's correct, because struct is combination of multi columns, only
tuple size is same, we can compare at elem column. other is self column and
offset column.
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