Enum datafusion::sql::sqlparser::ast::MergeClause
source · pub enum MergeClause {
MatchedUpdate {
predicate: Option<Expr>,
assignments: Vec<Assignment>,
},
MatchedDelete(Option<Expr>),
NotMatched {
predicate: Option<Expr>,
columns: Vec<Ident>,
values: Values,
},
}
Expand description
MERGE
Statement
MERGE INTO <target_table> USING <source> ON <join_expr> { matchedClause | notMatchedClause } [ ... ]
Variants§
Trait Implementations§
source§impl Clone for MergeClause
impl Clone for MergeClause
source§fn clone(&self) -> MergeClause
fn clone(&self) -> MergeClause
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 MergeClause
impl Debug for MergeClause
source§impl Display for MergeClause
impl Display for MergeClause
source§impl Hash for MergeClause
impl Hash for MergeClause
source§impl Ord for MergeClause
impl Ord for MergeClause
source§fn cmp(&self, other: &MergeClause) -> Ordering
fn cmp(&self, other: &MergeClause) -> 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 MergeClause
impl PartialEq for MergeClause
source§fn eq(&self, other: &MergeClause) -> bool
fn eq(&self, other: &MergeClause) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for MergeClause
impl PartialOrd for MergeClause
source§fn partial_cmp(&self, other: &MergeClause) -> Option<Ordering>
fn partial_cmp(&self, other: &MergeClause) -> 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 MergeClause
impl Visit for MergeClause
source§impl VisitMut for MergeClause
impl VisitMut for MergeClause
fn visit<V>(&mut self, visitor: &mut V) -> ControlFlow<<V as VisitorMut>::Break>where
V: VisitorMut,
impl Eq for MergeClause
impl StructuralPartialEq for MergeClause
Auto Trait Implementations§
impl Freeze for MergeClause
impl RefUnwindSafe for MergeClause
impl Send for MergeClause
impl Sync for MergeClause
impl Unpin for MergeClause
impl UnwindSafe for MergeClause
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
source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more