Operator

Enum Operator 

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pub enum Operator<'a> {
    Equals(Literal),
    Range {
        lower: Bound<Literal>,
        upper: Bound<Literal>,
    },
    GreaterThan(Literal),
    GreaterThanOrEquals(Literal),
    LessThan(Literal),
    LessThanOrEquals(Literal),
    In(&'a [Literal]),
    StartsWith {
        pattern: String,
        case_sensitive: bool,
    },
    EndsWith {
        pattern: String,
        case_sensitive: bool,
    },
    Contains {
        pattern: String,
        case_sensitive: bool,
    },
    IsNull,
    IsNotNull,
}
Expand description

Comparison/matching operators over untyped Literals.

In accepts a borrowed slice of Literals to avoid allocations in the common case of small, static IN lists built at call sites.

Variants§

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Equals(Literal)

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Range

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GreaterThan(Literal)

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GreaterThanOrEquals(Literal)

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LessThan(Literal)

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LessThanOrEquals(Literal)

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In(&'a [Literal])

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StartsWith

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§pattern: String
§case_sensitive: bool
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EndsWith

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§pattern: String
§case_sensitive: bool
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Contains

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§pattern: String
§case_sensitive: bool
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IsNull

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IsNotNull

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impl<'a> Operator<'a>

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pub fn starts_with(pattern: String, case_sensitive: bool) -> Self

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pub fn ends_with(pattern: String, case_sensitive: bool) -> Self

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pub fn contains(pattern: String, case_sensitive: bool) -> Self

Trait Implementations§

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impl<'a> Clone for Operator<'a>

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fn clone(&self) -> Operator<'a>

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<'a> Debug for Operator<'a>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a> Freeze for Operator<'a>

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impl<'a> RefUnwindSafe for Operator<'a>

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impl<'a> Send for Operator<'a>

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impl<'a> Sync for Operator<'a>

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impl<'a> Unpin for Operator<'a>

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impl<'a> UnwindSafe for Operator<'a>

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<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> 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<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,