Struct sqlparser::ast::ConstraintCharacteristics
source · pub struct ConstraintCharacteristics {
pub deferrable: Option<bool>,
pub initially: Option<DeferrableInitial>,
pub enforced: Option<bool>,
}
Expand description
<constraint_characteristics> = [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] [ ENFORCED | NOT ENFORCED ]
Used in UNIQUE and foreign key constraints. The individual settings may occur in any order.
Fields§
§deferrable: Option<bool>
[ DEFERRABLE | NOT DEFERRABLE ]
initially: Option<DeferrableInitial>
[ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
enforced: Option<bool>
[ ENFORCED | NOT ENFORCED ]
Trait Implementations§
source§impl Clone for ConstraintCharacteristics
impl Clone for ConstraintCharacteristics
source§fn clone(&self) -> ConstraintCharacteristics
fn clone(&self) -> ConstraintCharacteristics
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 ConstraintCharacteristics
impl Debug for ConstraintCharacteristics
source§impl<'de> Deserialize<'de> for ConstraintCharacteristics
impl<'de> Deserialize<'de> for ConstraintCharacteristics
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Display for ConstraintCharacteristics
impl Display for ConstraintCharacteristics
source§impl Hash for ConstraintCharacteristics
impl Hash for ConstraintCharacteristics
source§impl Ord for ConstraintCharacteristics
impl Ord for ConstraintCharacteristics
source§fn cmp(&self, other: &ConstraintCharacteristics) -> Ordering
fn cmp(&self, other: &ConstraintCharacteristics) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for ConstraintCharacteristics
impl PartialEq for ConstraintCharacteristics
source§fn eq(&self, other: &ConstraintCharacteristics) -> bool
fn eq(&self, other: &ConstraintCharacteristics) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for ConstraintCharacteristics
impl PartialOrd for ConstraintCharacteristics
source§fn partial_cmp(&self, other: &ConstraintCharacteristics) -> Option<Ordering>
fn partial_cmp(&self, other: &ConstraintCharacteristics) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl Visit for ConstraintCharacteristics
impl Visit for ConstraintCharacteristics
source§impl VisitMut for ConstraintCharacteristics
impl VisitMut for ConstraintCharacteristics
fn visit<V: VisitorMut>(&mut self, visitor: &mut V) -> ControlFlow<V::Break>
impl Copy for ConstraintCharacteristics
impl Eq for ConstraintCharacteristics
impl StructuralPartialEq for ConstraintCharacteristics
Auto Trait Implementations§
impl Freeze for ConstraintCharacteristics
impl RefUnwindSafe for ConstraintCharacteristics
impl Send for ConstraintCharacteristics
impl Sync for ConstraintCharacteristics
impl Unpin for ConstraintCharacteristics
impl UnwindSafe for ConstraintCharacteristics
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