Struct Interval

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pub struct Interval {
    pub months: i32,
    pub days: i32,
    pub microseconds: i64,
}

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§months: i32§days: i32§microseconds: i64

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impl Interval

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pub fn from_duration(duration: Duration) -> Option<Interval>

Tries to convert from the Duration type to a Interval. Will return None on a overflow. This is a lossy conversion in that any units smaller than a microsecond will be lost.

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impl Interval

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impl Interval

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impl Interval

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pub fn new(months: i32, days: i32, microseconds: i64) -> Interval

Create a new instance of interval from the months, days, and microseconds.

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pub fn to_iso_8601(&self) -> String

Output the interval as iso 8601 compliant string.

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pub fn to_postgres(&self) -> String

Output the interval as a postgres interval string.

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pub fn to_sql(&self) -> String

Output the interval as a sql compliant interval string.

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impl Interval

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pub fn checked_add(self, other_interval: Interval) -> Option<Interval>

Checked interval addition. Computes Interval + Interval and None if there was an overflow.

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pub fn add_day_time( self, days: i32, hours: i64, minutes: i64, seconds: f64, ) -> Interval

Shortcut method to add day time part to the interval. Any units smaller than a microsecond will be truncated.

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pub fn checked_add_day_time( self, days: i32, hours: i64, minutes: i64, seconds: f64, ) -> Option<Interval>

Checked day time interval addition. Computes the interval and will return None if a overflow has occured. Any units smaller than a microsecond will be truncated.

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pub fn add_year_month(self, year: i32, months: i32) -> Interval

Adds a year month interval.

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pub fn checked_add_year_month(self, year: i32, months: i32) -> Option<Interval>

Checked year month addition. Computes the interval and will return None if a overflow has occured.

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impl Interval

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pub fn checked_sub(self, other_interval: Interval) -> Option<Interval>

Checked interval subtraction. Computes Interval - Interval and None if there was an underflow.

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pub fn sub_day_time( self, days: i32, hours: i64, minutes: i64, seconds: f64, ) -> Interval

Shortcut method to subtract day time part to the interval. Any units smaller than a microsecond will be truncated.

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pub fn checked_sub_day_time( self, days: i32, hours: i64, minutes: i64, seconds: f64, ) -> Option<Interval>

Checked day time subtraction. Computes the interval and will return None if a overflow/underflow has occured. Any units smaller than a microsecond will be truncated.

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pub fn sub_year_month(self, year: i32, months: i32) -> Interval

Subtracts a year month interval.

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pub fn checked_sub_year_month(self, year: i32, months: i32) -> Option<Interval>

Checked year month subtraction. Computes the interval and will return None if a overflow has occured.

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impl Add for Interval

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type Output = Interval

The resulting type after applying the + operator.
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fn add(self, other_interval: Interval) -> Interval

Performs the + operation. Read more
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impl Clone for Interval

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fn clone(&self) -> Interval

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 Interval

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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<'a> FromSql<'a> for Interval

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fn from_sql( _: &Type, raw: &'a [u8], ) -> Result<Self, Box<dyn Error + Sync + Send>>

Creates a new value of this type from a buffer of data of the specified Postgres Type in its binary format. Read more
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fn accepts(ty: &Type) -> bool

Determines if a value of this type can be created from the specified Postgres Type.
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fn from_sql_null(ty: &Type) -> Result<Self, Box<dyn Error + Sync + Send>>

Creates a new value of this type from a NULL SQL value. Read more
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fn from_sql_nullable( ty: &Type, raw: Option<&'a [u8]>, ) -> Result<Self, Box<dyn Error + Sync + Send>>

A convenience function that delegates to from_sql and from_sql_null depending on the value of raw.
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impl PartialEq for Interval

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fn eq(&self, other: &Interval) -> 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 Sub for Interval

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type Output = Interval

The resulting type after applying the - operator.
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fn sub(self, other_interval: Interval) -> Interval

Performs the - operation. Read more
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impl ToSql for Interval

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fn to_sql( &self, _: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Converts the value of self into the binary format of the specified Postgres Type, appending it to out. Read more
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fn accepts(ty: &Type) -> bool

Determines if a value of this type can be converted to the specified Postgres Type.
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fn to_sql_checked( &self, ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

An adaptor method used internally by Rust-Postgres. Read more
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fn encode_format(&self, _ty: &Type) -> Format

Specify the encode format
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impl Copy for Interval

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impl Eq for Interval

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impl StructuralPartialEq for Interval

Auto Trait 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> BorrowToSql for T
where T: ToSql,

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fn borrow_to_sql(&self) -> &dyn ToSql

Returns a reference to self as a ToSql trait object.
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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<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> 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

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Performs the conversion.
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impl<T> FromSqlOwned for T
where T: for<'a> FromSql<'a>,