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SelectFlag

Enum SelectFlag

pub enum SelectFlag {
    All(Span),
    Distinct(Span),
    DistinctOn(Span),
    DistinctRow(Span),
    HighPriority(Span),
    StraightJoin(Span),
    SqlSmallResult(Span),
    SqlBigResult(Span),
    SqlBufferResult(Span),
    SqlNoCache(Span),
    SqlCalcFoundRows(Span),
}

Expand description

Flags specified after SELECT

Variants§

All(Span)

Distinct(Span)

DistinctOn(Span)

DistinctRow(Span)

HighPriority(Span)

StraightJoin(Span)

SqlSmallResult(Span)

SqlBigResult(Span)

SqlBufferResult(Span)

SqlNoCache(Span)

SqlCalcFoundRows(Span)

Trait Implementations§

impl Clone for SelectFlag

fn clone(&self) -> Self

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 Debug for SelectFlag

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

Formats the value using the given formatter. Read more

impl Spanned for SelectFlag

fn span(&self) -> Span

Compute byte span of an ast fragment

fn join_span(&self, other: &impl OptSpanned) -> Span

Compute the minimal span containing both self and other

Auto Trait Implementations§

impl Freeze for SelectFlag

impl RefUnwindSafe for SelectFlag

impl Send for SelectFlag

impl Sync for SelectFlag

impl Unpin for SelectFlag

impl UnsafeUnpin for SelectFlag

impl UnwindSafe for SelectFlag

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> OptSpanned for T
where T: Spanned,

fn opt_span(&self) -> Option<Range<usize>>

Compute an optional byte span of an ast fragment

fn opt_join_span(&self, other: &impl OptSpanned) -> Option<Span>

Compute the minimal span containing both self and other if either is missing return the other

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.