JoinOperator

Enum JoinOperator 

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pub enum JoinOperator {
Show 18 variants Join(JoinConstraint), Inner(JoinConstraint), Left(JoinConstraint), LeftOuter(JoinConstraint), Right(JoinConstraint), RightOuter(JoinConstraint), FullOuter(JoinConstraint), CrossJoin, Semi(JoinConstraint), LeftSemi(JoinConstraint), RightSemi(JoinConstraint), Anti(JoinConstraint), LeftAnti(JoinConstraint), RightAnti(JoinConstraint), CrossApply, OuterApply, AsOf { match_condition: Expr, constraint: JoinConstraint, }, StraightJoin(JoinConstraint),
}

Variants§

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Join(JoinConstraint)

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Inner(JoinConstraint)

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Left(JoinConstraint)

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LeftOuter(JoinConstraint)

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Right(JoinConstraint)

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RightOuter(JoinConstraint)

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FullOuter(JoinConstraint)

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CrossJoin

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Semi(JoinConstraint)

SEMI (non-standard)

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LeftSemi(JoinConstraint)

LEFT SEMI (non-standard)

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RightSemi(JoinConstraint)

RIGHT SEMI (non-standard)

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Anti(JoinConstraint)

ANTI (non-standard)

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LeftAnti(JoinConstraint)

LEFT ANTI (non-standard)

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RightAnti(JoinConstraint)

RIGHT ANTI (non-standard)

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CrossApply

CROSS APPLY (non-standard)

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OuterApply

OUTER APPLY (non-standard)

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AsOf

ASOF joins are used for joining tables containing time-series data whose timestamp columns do not match exactly.

See https://docs.snowflake.com/en/sql-reference/constructs/asof-join.

Fields

§match_condition: Expr
§constraint: JoinConstraint
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StraightJoin(JoinConstraint)

STRAIGHT_JOIN (non-standard)

See https://dev.mysql.com/doc/refman/8.4/en/join.html.

Trait Implementations§

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impl AsNodeKey for JoinOperator

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fn as_node_key(&self) -> NodeKey<'_>

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impl Clone for JoinOperator

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fn clone(&self) -> JoinOperator

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for JoinOperator

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

Formats the value using the given formatter. Read more
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impl Hash for JoinOperator

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for JoinOperator

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fn cmp(&self, other: &JoinOperator) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for JoinOperator

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for JoinOperator

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fn partial_cmp(&self, other: &JoinOperator) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Spanned for JoinOperator

§partial span

Missing spans:

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fn span(&self) -> Span

Return the Span (the minimum and maximum Location) for this AST node, by recursively combining the spans of its children.
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impl<'ast> Transformable<'ast> for JoinOperator

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fn apply_transform_with_path<T>( &'ast self, transformer: &mut T, node_path: &mut NodePath<'ast>, ) -> Result<Self, T::Error>
where T: Transform<'ast>,

Recursively applies transform to self returning Ok(Self) when successful or Err(T::Error) if unsuccessful. Read more
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fn apply_transform<T>(&'ast self, transform: &mut T) -> Result<Self, T::Error>
where T: Transform<'ast>,

Recursively applies transform to self returning Ok(Self) when successful or Err(T::Error) if unsuccessful. Read more
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impl Visitable for JoinOperator

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fn accept<'ast, V: Visitor<'ast>>( &'ast self, visitor: &mut V, ) -> ControlFlow<Break<V::Error>>

Accepts a borrowed Visitor and traverses the AST starting at self invoking Visitor::enter and Visitor::exit as nodes are entered and exiting respectively.
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fn downcast_ref<Target: Visitable>(&self) -> Option<&Target>

Tries to downcast self as &Target.
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fn downcast_mut<Target: Visitable>(&mut self) -> Option<&mut Target>

Tries to downcast self as &mut Target.
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fn is<Target: Visitable>(&self) -> bool

Returns true if the inner type is the same as Target.
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impl Eq for JoinOperator

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impl StructuralPartialEq for JoinOperator

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.