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libpqxx
The C++ client library for PostgreSQL
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Nullness: Enums do not have an inherent null value. More...
Inheritance diagram for pqxx::nullness< ENUM, std::enable_if_t< std::is_enum_v< ENUM > > >:
Collaboration diagram for pqxx::nullness< ENUM, std::enable_if_t< std::is_enum_v< ENUM > > >:Additional Inherited Members | |
Static Public Member Functions inherited from pqxx::no_null< ENUM > | |
| static constexpr bool | is_null (ENUM const &) noexcept |
| Does a given value correspond to an SQL null value? | |
Static Public Attributes inherited from pqxx::no_null< ENUM > | |
| static constexpr bool | has_null |
Does TYPE have a "built-in null value"? | |
| static constexpr bool | always_null |
| Are all values of this type null? | |
Nullness: Enums do not have an inherent null value.