pub enum TableConstraint {
PrimaryKey {
columns: Vec<SortedColumn>,
auto_increment: bool,
conflict_clause: Option<ResolveType>,
},
Unique {
columns: Vec<SortedColumn>,
conflict_clause: Option<ResolveType>,
},
Check(Expr),
ForeignKey {
columns: Vec<IndexedColumn>,
clause: ForeignKeyClause,
deref_clause: Option<DeferSubclause>,
},
}
Variants§
Trait Implementations§
source§impl Clone for TableConstraint
impl Clone for TableConstraint
source§fn clone(&self) -> TableConstraint
fn clone(&self) -> TableConstraint
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for TableConstraint
impl Debug for TableConstraint
source§impl PartialEq for TableConstraint
impl PartialEq for TableConstraint
source§fn eq(&self, other: &TableConstraint) -> bool
fn eq(&self, other: &TableConstraint) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl ToTokens for TableConstraint
impl ToTokens for TableConstraint
impl Eq for TableConstraint
impl StructuralEq for TableConstraint
impl StructuralPartialEq for TableConstraint
Auto Trait Implementations§
impl RefUnwindSafe for TableConstraint
impl Send for TableConstraint
impl Sync for TableConstraint
impl Unpin for TableConstraint
impl UnwindSafe for TableConstraint
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
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Checks if this value is equivalent to the given key. Read more
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.