Struct Months

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pub struct Months(/* private fields */);
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A duration in calendar months, analog to chrono::Months. Unlike chrono::Months, this type can represent a negative duration.

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impl Months

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pub const fn new(num: i32) -> Self

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pub fn num_months(&self) -> i32

Trait Implementations§

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impl<Tz: TimeZone> Add<Months> for DateTime<Tz>

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type Output = DateTime<Tz>

The resulting type after applying the + operator.
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fn add(self, rhs: Months) -> Self::Output

Performs the + operation. Read more
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impl Add<Months> for NaiveDate

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type Output = NaiveDate

The resulting type after applying the + operator.
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fn add(self, rhs: Months) -> Self::Output

Performs the + operation. Read more
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impl Add<Months> for NaiveDateTime

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type Output = NaiveDateTime

The resulting type after applying the + operator.
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fn add(self, rhs: Months) -> Self::Output

Performs the + operation. Read more
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impl Clone for Months

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fn clone(&self) -> Months

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 Months

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

Formats the value using the given formatter. Read more
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impl<'r> Decode<'r, Exasol> for Months

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fn decode(value: ExaValueRef<'r>) -> Result<Self, BoxDynError>

Decode a new value of this type using a raw value from the database.
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impl Encode<'_, Exasol> for Months

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fn encode_by_ref(&self, buf: &mut ExaBuffer) -> Result<IsNull, BoxDynError>

Writes the value of self into buf without moving self. Read more
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fn produces(&self) -> Option<ExaTypeInfo>

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fn size_hint(&self) -> usize

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fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Send + Sync>>
where Self: Sized,

Writes the value of self into buf in the expected format for the database.
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impl From<Months> for Months

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fn from(value: Months) -> Self

Converts to this type from the input type.
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impl Hash for Months

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

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 PartialEq for Months

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fn eq(&self, other: &Months) -> 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 Months

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fn partial_cmp(&self, other: &Months) -> 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<Tz: TimeZone> Sub<Months> for DateTime<Tz>

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type Output = DateTime<Tz>

The resulting type after applying the - operator.
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fn sub(self, rhs: Months) -> Self::Output

Performs the - operation. Read more
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impl Sub<Months> for NaiveDate

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type Output = NaiveDate

The resulting type after applying the - operator.
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fn sub(self, rhs: Months) -> Self::Output

Performs the - operation. Read more
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impl Sub<Months> for NaiveDateTime

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type Output = NaiveDateTime

The resulting type after applying the - operator.
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fn sub(self, rhs: Months) -> Self::Output

Performs the - operation. Read more
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impl Type<Exasol> for Months

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fn type_info() -> ExaTypeInfo

Returns the canonical SQL type for this Rust type. Read more
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fn compatible(ty: &ExaTypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type. Read more
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impl Copy for Months

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impl Eq for Months

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impl StructuralPartialEq for Months

Auto Trait Implementations§

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impl Freeze for Months

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impl RefUnwindSafe for Months

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impl Send for Months

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impl Sync for Months

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impl Unpin for Months

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impl UnwindSafe for Months

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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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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 more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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
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impl<T> Same for T

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type Output = T

Should always be Self
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,