libpqxx
The C++ client library for PostgreSQL
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Static Public Member Functions | |
static constexpr bool | is_null (std::variant< T... > const &value) noexcept |
static constexpr std::variant< T... > | null ()=delete |
Static Public Attributes | |
static constexpr bool | has_null = (nullness<T>::has_null or ...) |
static constexpr bool | always_null = (nullness<T>::always_null and ...) |
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staticconstexprdelete |
It would be technically possible to have a null
in the case where just one of the types has a null, but it gets complicated and arbitrary.