pub struct IsRoot { /* private fields */ }Implementations§
Trait Implementations§
Source§impl Function for IsRoot
impl Function for IsRoot
fn info(&self) -> &FunctionInfo
fn capabilities(&self) -> &[FunctionCapability]
fn return_type(&self, _input_types: &[Type]) -> Type
fn execute( &self, ctx: &FunctionContext<'_>, args: &Columns, ) -> Result<Columns, FunctionError>
fn accepted_types(&self) -> InputTypes
fn propagates_options(&self) -> bool
Source§fn call(
&self,
ctx: &FunctionContext<'_>,
args: &Columns,
) -> Result<Columns, FunctionError>
fn call( &self, ctx: &FunctionContext<'_>, args: &Columns, ) -> Result<Columns, FunctionError>
Calls the function, automatically propagating Option columns if
propagates_options() returns true.fn accumulator( &self, _ctx: &FunctionContext<'_>, ) -> Option<Box<dyn Accumulator>>
Auto Trait Implementations§
impl Freeze for IsRoot
impl RefUnwindSafe for IsRoot
impl Send for IsRoot
impl Sync for IsRoot
impl Unpin for IsRoot
impl UnsafeUnpin for IsRoot
impl UnwindSafe for IsRoot
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> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
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