pub enum AttributeKind {
UNSET,
INDEXED,
AUTO_INC,
UNIQUE,
IDENTITY,
PRIMARY_KEY,
PRIMARY_KEY_AUTO,
PRIMARY_KEY_IDENTITY,
}
Expand description
The assigned constraint OR auto-inc marker for a Column
Variants§
UNSET
INDEXED
Index no unique
AUTO_INC
Auto Increment
UNIQUE
Index unique
IDENTITY
Unique + AutoInc
PRIMARY_KEY
Primary key column (implies Unique).
PRIMARY_KEY_AUTO
PrimaryKey + AutoInc
PRIMARY_KEY_IDENTITY
PrimaryKey + Identity
Trait Implementations§
source§impl PartialEq for AttributeKind
impl PartialEq for AttributeKind
source§fn eq(&self, other: &AttributeKind) -> bool
fn eq(&self, other: &AttributeKind) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Eq for AttributeKind
impl StructuralPartialEq for AttributeKind
Auto Trait Implementations§
impl Freeze for AttributeKind
impl RefUnwindSafe for AttributeKind
impl Send for AttributeKind
impl Sync for AttributeKind
impl Unpin for AttributeKind
impl UnwindSafe for AttributeKind
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more