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libpqxx
The C++ client library for PostgreSQL
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There's no real null for std::string_view.
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Inheritance diagram for pqxx::nullness< std::string_view >:
Collaboration diagram for pqxx::nullness< std::string_view >:Additional Inherited Members | |
Static Public Member Functions inherited from pqxx::no_null< std::string_view > | |
| static constexpr bool | is_null (std::string_view const &) noexcept |
| Does a given value correspond to an SQL null value? | |
Static Public Attributes inherited from pqxx::no_null< std::string_view > | |
| 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? | |
There's no real null for std::string_view.
I'm not sure how clear-cut this is: a string_view may have a null data pointer, which is analogous to a null char pointer.