HappenLee commented on code in PR #30152:
URL: https://github.com/apache/doris/pull/30152#discussion_r1473940549
##########
be/src/exprs/minmax_predicate.h:
##########
@@ -48,104 +46,71 @@ class MinMaxNumFunc : public MinMaxFuncBase {
MinMaxNumFunc() = default;
~MinMaxNumFunc() override = default;
- void insert(const void* data) override {
- if (data == nullptr) {
- return;
- }
-
- T val_data = *reinterpret_cast<const T*>(data);
-
- if constexpr (NeedMin) {
- if (val_data < _min) {
- _min = val_data;
- }
- }
-
- if constexpr (NeedMax) {
- if (val_data > _max) {
- _max = val_data;
- }
- }
- }
-
void insert_fixed_len(const vectorized::ColumnPtr& column, size_t start)
override {
if (column->empty()) {
return;
}
if (column->is_nullable()) {
const auto* nullable = assert_cast<const
vectorized::ColumnNullable*>(column.get());
- const auto& col = nullable->get_nested_column();
- const auto& nullmap =
- assert_cast<const
vectorized::ColumnUInt8&>(nullable->get_null_map_column())
- .get_data();
-
- if constexpr (std::is_same_v<T, StringRef>) {
- const auto& column_string = assert_cast<const
vectorized::ColumnString&>(col);
- for (size_t i = start; i < column->size(); i++) {
- if (!nullmap[i]) {
- if constexpr (NeedMin) {
- _min = std::min(_min,
column_string.get_data_at(i));
- }
- if constexpr (NeedMax) {
- _max = std::max(_max,
column_string.get_data_at(i));
- }
- }
- }
+ const auto& col = nullable->get_nested_column_ptr();
+ const auto& nullmap = nullable->get_null_map_data();
+ if (nullable->has_null()) {
+ update_batch(col, nullmap, start);
} else {
- const T* data = (T*)col.get_raw_data().data;
- for (size_t i = start; i < column->size(); i++) {
- if (!nullmap[i]) {
- if constexpr (NeedMin) {
- _min = std::min(_min, *(data + i));
- }
- if constexpr (NeedMax) {
- _max = std::max(_max, *(data + i));
- }
- }
+ update_batch(col, start);
+ }
+ } else {
+ update_batch(column, start);
+ }
+ }
+
+ void update_batch(const vectorized::ColumnPtr& column, size_t start) {
+ if constexpr (std::is_same_v<T, StringRef>) {
+ const auto& column_string = assert_cast<const
vectorized::ColumnString&>(*column);
+ for (size_t i = start; i < column->size(); i++) {
+ if constexpr (NeedMin) {
+ _min = std::min(_min, column_string.get_data_at(i));
+ }
+ if constexpr (NeedMax) {
+ _max = std::max(_max, column_string.get_data_at(i));
}
}
} else {
- if constexpr (std::is_same_v<T, StringRef>) {
- const auto& column_string = assert_cast<const
vectorized::ColumnString&>(*column);
- for (size_t i = start; i < column->size(); i++) {
- if constexpr (NeedMin) {
- _min = std::min(_min, column_string.get_data_at(i));
- }
- if constexpr (NeedMax) {
- _max = std::max(_max, column_string.get_data_at(i));
- }
+ const T* data = (T*)column->get_raw_data().data;
+ for (size_t i = start; i < column->size(); i++) {
+ if constexpr (NeedMin) {
+ _min = std::min(_min, *(data + i));
}
- } else {
- const T* data = (T*)column->get_raw_data().data;
- for (size_t i = start; i < column->size(); i++) {
- if constexpr (NeedMin) {
- _min = std::min(_min, *(data + i));
- }
- if constexpr (NeedMax) {
- _max = std::max(_max, *(data + i));
- }
+ if constexpr (NeedMax) {
+ _max = std::max(_max, *(data + i));
}
}
}
}
- bool find(void* data) override {
- if (data == nullptr) {
- return false;
- }
-
- T val_data = *reinterpret_cast<T*>(data);
- if constexpr (NeedMin) {
- if (val_data < _min) {
- return false;
+ void update_batch(const vectorized::ColumnPtr& column, const
vectorized::NullMap& nullmap,
Review Comment:
nullmap seems useless？
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