Skip to main content

RelationalJoinPlanningReason

hawdb_optimizer

Enum RelationalJoinPlanningReason

pub enum RelationalJoinPlanningReason {
Show 17 variants    NoJoin,
    UnsupportedJoinKind,
    LockingSelect,
    ExplicitSyntaxOrder,
    UnresolvedColumns,
    UnsupportedJoinPredicate,
    UnavailableAccessBinding,
    UnsupportedPostJoinFilter,
    SpecializedJoinNotEnumerated,
    GroupBudgetExceeded,
    ExpressionBudgetExceeded,
    DisconnectedGraph,
    RequiredPropertiesUnsatisfied,
    NoLegalPlan,
    SyntaxFallback,
    SyntaxOrderOptimal,
    CostReordered,
}

Variants§

NoJoin

UnsupportedJoinKind

LockingSelect

ExplicitSyntaxOrder

UnresolvedColumns

UnsupportedJoinPredicate

UnavailableAccessBinding

UnsupportedPostJoinFilter

SpecializedJoinNotEnumerated

GroupBudgetExceeded

ExpressionBudgetExceeded

DisconnectedGraph

RequiredPropertiesUnsatisfied

NoLegalPlan

SyntaxFallback

SyntaxOrderOptimal

CostReordered

Implementations§

impl RelationalJoinPlanningReason

pub const fn as_str(self) -> &'static str

Trait Implementations§

impl Clone for RelationalJoinPlanningReason

fn clone(&self) -> RelationalJoinPlanningReason

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Copy for RelationalJoinPlanningReason

impl Debug for RelationalJoinPlanningReason

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

impl Eq for RelationalJoinPlanningReason

impl PartialEq for RelationalJoinPlanningReason

fn eq(&self, other: &RelationalJoinPlanningReason) -> bool

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

impl StructuralPartialEq for RelationalJoinPlanningReason

Auto Trait Implementations§

impl Freeze for RelationalJoinPlanningReason

impl RefUnwindSafe for RelationalJoinPlanningReason

impl Send for RelationalJoinPlanningReason

impl Sync for RelationalJoinPlanningReason

impl Unpin for RelationalJoinPlanningReason

impl UnsafeUnpin for RelationalJoinPlanningReason

impl UnwindSafe for RelationalJoinPlanningReason

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> RuntimeIoWavePermit for T
where T: Debug + Send,

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.