|
static bool | has_null |
| Does this type have a null value?
|
static bool | always_null |
| Is this type always null?
|
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?
|
◆ null()
Return a null value.
Don't use this in generic code to compare a value and see whether it is null. Some types may have multiple null values which do not compare as equal, or may define a null value which is not equal to anything including itself, like in SQL.
The documentation for this struct was generated from the following file:
- /builddir/build/BUILD/libpqxx-7.10.1-build/libpqxx-7.10.1/redhat-linux-build/include/pqxx/binarystring.hxx