yiguolei commented on code in PR #39497:
URL: https://github.com/apache/doris/pull/39497#discussion_r1720870446
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be/src/olap/accept_null_predicate.h:
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@@ -158,21 +156,26 @@ class AcceptNullPredicate : public ColumnPredicate {
}
// create selected_flags
uint16_t max_idx = sel[size - 1];
+ std::vector<uint16_t> old_sel(size);
+ memcpy(old_sel.data(), sel, sizeof(uint16_t) * size);
const auto& nullable_col = assert_cast<const
vectorized::ColumnNullable&>(column);
// call nested predicate evaluate
uint16_t new_size =
_nested->evaluate(nullable_col.get_nested_column(), sel, size);
// process NULL values
if (new_size < size) {
- std::vector<uint8_t> selected(max_idx + 1);
- memcpy(selected.data(),
nullable_col.get_null_map_data().data(),
- (max_idx + 1) * sizeof(bool));
+ std::vector<uint8_t> selected(max_idx + 1, 0);
+ const auto* nullmap = nullable_col.get_null_map_data().data();
// add rows selected by _nested->evaluate
for (uint16_t i = 0; i < new_size; ++i) {
uint16_t row_idx = sel[i];
selected[row_idx] = true;
}
+ for (uint16_t i = 0; i < size; ++i) {
Review Comment:
add comment here
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