yiguolei commented on code in PR #18409:
URL: https://github.com/apache/doris/pull/18409#discussion_r1163680521
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be/src/olap/accept_null_predicate.h:
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@@ -52,8 +52,37 @@ class AcceptNullPredicate : public ColumnPredicate {
uint16_t evaluate(const vectorized::IColumn& column, uint16_t* sel,
uint16_t size) const override {
- LOG(FATAL) << "evaluate without flags not supported";
- // return _nested->evaluate(column, sel, size);
+ // call nested predicate evaluate
+ uint16_t new_size = _nested->evaluate(column, sel, size);
+
+ // process NULL values
+ if (column.has_null() && new_size < size) {
+ // use a sorted set to sotre selected row idxs
+ std::set<uint16_t> selected_rows;
Review Comment:
it may cost a lot of time to insert the null rows and selected row into the
set, because it need to sort.
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