zbtzbtzbt commented on pull request #8500:
URL: https://github.com/apache/incubator-doris/pull/8500#issuecomment-1072971032
> I tried to use template, but get an error when compiling, I have also
tried different ways of writing, all of which are the same error, can someone
help me? thanks
>
use static and constexpr, The following method is also the same error:
```
template <FieldType field_type>
std::shared_ptr<const TypeInfo> get_scalar_type_info_by_template() {
static constexpr TypeTraits<field_type> traits;
static constexpr ScalarTypeInfo p = ScalarTypeInfo(traits);
return std::shared_ptr<const TypeInfo>(&p);
}
```
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