HappenLee commented on code in PR #13166:
URL: https://github.com/apache/doris/pull/13166#discussion_r994296566
##########
be/src/exec/olap_common.h:
##########
@@ -550,6 +554,79 @@ void
ColumnValueRange<primitive_type>::convert_to_fixed_value() {
}
}
+template <>
+bool ColumnValueRange<PrimitiveType::TYPE_STRING>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <>
+bool ColumnValueRange<PrimitiveType::TYPE_CHAR>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <>
+bool ColumnValueRange<PrimitiveType::TYPE_VARCHAR>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <>
+bool ColumnValueRange<PrimitiveType::TYPE_HLL>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <>
+bool
ColumnValueRange<PrimitiveType::TYPE_DECIMALV2>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <>
+bool
ColumnValueRange<PrimitiveType::TYPE_LARGEINT>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size);
+
+template <PrimitiveType primitive_type>
+bool ColumnValueRange<primitive_type>::convert_to_avg_range_value(
+ std::vector<OlapTuple>& begin_scan_keys, std::vector<OlapTuple>&
end_scan_keys,
+ size_t step_size) {
+ // Incrementing boolean is denied in C++17, So we use int as bool type
+ using type = std::conditional_t<std::is_same<bool, CppType>::value, int,
CppType>;
+ type current = get_range_min_value();
+
+ constexpr bool cant_add = primitive_type == PrimitiveType::TYPE_DATEV2 ||
Review Comment:
can_not_add ?
##########
be/src/exec/olap_common.cpp:
##########
@@ -59,6 +59,48 @@ void
ColumnValueRange<PrimitiveType::TYPE_LARGEINT>::convert_to_fixed_value() {
return;
}
+template <>
Review Comment:
maybe better use `#define` to do the thing? and do it in `.h` ?
##########
be/src/exec/olap_common.h:
##########
@@ -945,13 +1022,20 @@ Status
OlapScanKeys::extend_scan_key(ColumnValueRange<primitive_type>& range,
_has_range_value = true;
if (_begin_scan_keys.empty()) {
- _begin_scan_keys.emplace_back();
- _begin_scan_keys.back().add_value(cast_to_string<primitive_type,
CppType>(
-
range.get_range_min_value(), range.scale()),
- range.contain_null());
- _end_scan_keys.emplace_back();
- _end_scan_keys.back().add_value(cast_to_string<primitive_type,
CppType>(
- range.get_range_max_value(), range.scale()));
+ size_t step_size =
+ std::max((range.get_convertible_fixed_value_size() +
max_scan_key_num - 1) /
+ max_scan_key_num,
+ (size_t)1);
Review Comment:
why do the cal `step_size` here, not in `convert_to_avg_range_value` and we
only pass the para to `max_scan_key_num` replace `step_size` and only need to
call function `range.get_convertible_fixed_value_size()` one time
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