Skip to main content

Predicate

icydb_core::db::query::predicate::ast

Enum Predicate

pub enum Predicate {
Show 13 variants    True,
    False,
    And(Vec<Self>),
    Or(Vec<Self>),
    Not(Box<Self>),
    Compare(ComparePredicate),
    IsNull {
        field: String,
    },
    IsMissing {
        field: String,
    },
    IsEmpty {
        field: String,
    },
    IsNotEmpty {
        field: String,
    },
    MapContainsKey {
        field: String,
        key: Value,
        coercion: CoercionSpec,
    },
    MapContainsValue {
        field: String,
        value: Value,
        coercion: CoercionSpec,
    },
    MapContainsEntry {
        field: String,
        key: Value,
        value: Value,
        coercion: CoercionSpec,
    },
}

Expand description

Predicate

Variants§

True

False

And(Vec<Self>)

Or(Vec<Self>)

Not(Box<Self>)

Compare(ComparePredicate)

IsNull

Fields

§field: String

IsMissing

Fields

§field: String

IsEmpty

Fields

§field: String

IsNotEmpty

Fields

§field: String

MapContainsKey

Fields

§field: String

§key: Value

§coercion: CoercionSpec

MapContainsValue

Fields

§field: String

§value: Value

§coercion: CoercionSpec

MapContainsEntry

Fields

§field: String

§key: Value

§value: Value

§coercion: CoercionSpec

Trait Implementations§

impl Clone for Predicate

fn clone(&self) -> Predicate

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Predicate

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

Formats the value using the given formatter. Read more

impl PartialEq for Predicate

fn eq(&self, other: &Predicate) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Predicate

impl StructuralPartialEq for Predicate

Auto Trait Implementations§

impl Freeze for Predicate

impl RefUnwindSafe for Predicate

impl Send for Predicate

impl Sync for Predicate

impl Unpin for Predicate

impl UnwindSafe for Predicate

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V