HappenLee commented on a change in pull request #4938:
URL: https://github.com/apache/incubator-doris/pull/4938#discussion_r529198744
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File path: be/src/olap/types.h
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@@ -509,98 +530,55 @@ OLAPStatus convert_int_from_varchar(void* dest, const
void* src) {
}
template <typename T>
-OLAPStatus convert_float_from_varchar(void* dest, const void* src) {
- using SrcType = typename CppTypeTraits<OLAP_FIELD_TYPE_VARCHAR>::CppType;
- auto src_value = reinterpret_cast<const SrcType *>(src);
- StringParser::ParseResult parse_res;
- T result = StringParser::string_to_float<T>(src_value->get_data(),
src_value->get_size(), &parse_res);
- if (UNLIKELY(parse_res != StringParser::PARSE_SUCCESS)) {
- return OLAPStatus::OLAP_ERR_INVALID_SCHEMA;
- }
- *reinterpret_cast<T*>(dest) = result;
- return OLAPStatus::OLAP_SUCCESS;
+OLAPStatus arithmetic_convert_from_char(void* dest, const void* src) {
+ prepare_char_before_convert(src);
+ return arithmetic_convert_from_varchar<T>(dest, src);
}
-template<FieldType field_type>
-struct FieldTypeTraits : public BaseFieldtypeTraits<field_type> { };
+// Using ArithmeTicFieldtypeTraits to Derived code for OLAP_FIELD_TYPE_XXXINT,
OLAP_FIELD_TYPE_FLOAT,
+// OLAP_FIELD_TYPE_DOUBLE, to reduce redundant code
+template <FieldType fieldType, bool isArithmetic>
+struct ArithmeTicFieldtypeTraits : public BaseFieldtypeTraits<fieldType> {
Review comment:
OK，i will consider to change the name of it
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