Enum DriverDefined 

pub enum DriverDefined {}

Trait Implementations

impl<LEN: Scalar> AttrLen<DriverDefined, LEN> for [MaybeUninit<SQLCHAR>]

type StrLen = LEN

Invariant: StrLen can only be LEN(for slices) or uninhabited type(for scalar types) It is assumed that ODBC driver will never write to StrLen pointer for scalar types

fn len(&self) -> LEN

impl<DT, LEN, V: OdbcVersion> AttrLen<DriverDefined, LEN> for MaybeUninit<RefUnsafeSQLHDESC<'_, DT, V>>

where LEN: From<SQLSMALLINT> + Scalar,

type StrLen = Void

Invariant: StrLen can only be LEN(for slices) or uninhabited type(for scalar types) It is assumed that ODBC driver will never write to StrLen pointer for scalar types

fn len(&self) -> LEN

impl<T: Ident, LEN> AttrLen<DriverDefined, LEN> for MaybeUninit<T>

where LEN: From<T::Type> + Scalar,

type StrLen = Void

Invariant: StrLen can only be LEN(for slices) or uninhabited type(for scalar types) It is assumed that ODBC driver will never write to StrLen pointer for scalar types

fn len(&self) -> LEN

impl<LEN, V: OdbcVersion> AttrLen<DriverDefined, LEN> for Option<&UnsafeSQLHDESC<'_, AppDesc<'_>, V>>

where LEN: From<SQLSMALLINT> + Scalar,

type StrLen = Void

Invariant: StrLen can only be LEN(for slices) or uninhabited type(for scalar types) It is assumed that ODBC driver will never write to StrLen pointer for scalar types

fn len(&self) -> LEN

impl Def for DriverDefined