pub struct CountWildcardRule {}
Expand description
Rewrite Count(Expr:Wildcard)
to Count(Expr:Literal)
.
Resolves issue: https://github.com/apache/datafusion/issues/5473
Implementations§
Trait Implementations§
source§impl AnalyzerRule for CountWildcardRule
impl AnalyzerRule for CountWildcardRule
source§fn analyze(&self, plan: LogicalPlan, _: &ConfigOptions) -> Result<LogicalPlan>
fn analyze(&self, plan: LogicalPlan, _: &ConfigOptions) -> Result<LogicalPlan>
Rewrite
plan
source§impl Default for CountWildcardRule
impl Default for CountWildcardRule
source§fn default() -> CountWildcardRule
fn default() -> CountWildcardRule
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for CountWildcardRule
impl RefUnwindSafe for CountWildcardRule
impl Send for CountWildcardRule
impl Sync for CountWildcardRule
impl Unpin for CountWildcardRule
impl UnwindSafe for CountWildcardRule
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<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