[−][src]Struct mongodb::options::CountOptions
Specifies the options to a
Collection::count_documents
operation.
Fields (Non-exhaustive)
Struct { .. }
syntax; cannot be matched against without a wildcard ..
; and struct update syntax will not work.hint: Option<Hint>
The index to use for the operation.
limit: Option<i64>
The maximum number of documents to count.
max_time: Option<Duration>
The maximum amount of time to allow the query to run.
This options maps to the maxTimeMS
MongoDB query option, so the duration will be sent
across the wire as an integer number of milliseconds.
skip: Option<i64>
The number of documents to skip before counting.
collation: Option<Collation>
The collation to use for the operation.
See the documentation for more information on how to use this option.
selection_criteria: Option<SelectionCriteria>
The criteria used to select a server for this operation.
If none specified, the default set on the collection will be used.
read_concern: Option<ReadConcern>
The level of the read concern.
Implementations
impl CountOptions
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pub fn builder() -> CountOptionsBuilder<((), (), (), (), (), (), ())>
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Create a builder for building CountOptions
.
On the builder, call .hint(...)
(optional), .limit(...)
(optional), .max_time(...)
(optional), .skip(...)
(optional), .collation(...)
(optional), .selection_criteria(...)
(optional), .read_concern(...)
(optional) to set the values of the fields (they accept Into
values).
Finally, call .build()
to create the instance of CountOptions
.
Trait Implementations
impl Clone for CountOptions
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fn clone(&self) -> CountOptions
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for CountOptions
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impl Default for CountOptions
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fn default() -> CountOptions
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impl<'de> Deserialize<'de> for CountOptions
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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
Auto Trait Implementations
impl !RefUnwindSafe for CountOptions
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impl Send for CountOptions
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impl Sync for CountOptions
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impl Unpin for CountOptions
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impl !UnwindSafe for CountOptions
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,