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ExprNode

dbkit_core::expr

Enum ExprNode 

Source 
pub enum ExprNode {

Show 17 variants    Column(ColumnRef),
    Value(Value),
    Row {
        values: Vec<ExprNode>,
    },
    Func {
        name: &'static str,
        args: Vec<ExprNode>,
    },
    Normalize {
        expr: Box<ExprNode>,
        form: NormalizationForm,
    },
    Trim {
        direction: TrimDirection,
        expr: Box<ExprNode>,
        characters: Option<Box<ExprNode>>,
    },
    AggregateFilter {
        aggregate: Box<ExprNode>,
        predicate: Box<ExprNode>,
    },
    VectorBinary {
        left: Box<ExprNode>,
        op: VectorBinaryOp,
        right: Box<ExprNode>,
    },
    MakeInterval {
        field: IntervalField,
        value: Box<ExprNode>,
    },
    Binary {
        left: Box<ExprNode>,
        op: BinaryOp,
        right: Box<ExprNode>,
    },
    Bool {
        left: Box<ExprNode>,
        op: BoolOp,
        right: Box<ExprNode>,
    },
    Unary {
        op: UnaryOp,
        expr: Box<ExprNode>,
    },
    In {
        expr: Box<ExprNode>,
        values: Vec<Value>,
    },
    RowIn {
        expr: Box<ExprNode>,
        rows: Vec<Vec<Value>>,
    },
    IsNull {
        expr: Box<ExprNode>,
        negated: bool,
    },
    Like {
        expr: Box<ExprNode>,
        pattern: Value,
        case_insensitive: bool,
    },
    Exists {
        subquery: CompiledSql,
    },

}

Variants§

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Column(ColumnRef)

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Value(Value)

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Row

Fields

§values: Vec<ExprNode>
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Func

Fields

§name: &'static str
§args: Vec<ExprNode>
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Normalize

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Trim

Fields

§direction: TrimDirection
§expr: Box<ExprNode>
§characters: Option<Box<ExprNode>>
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AggregateFilter

Fields

§aggregate: Box<ExprNode>
§predicate: Box<ExprNode>
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VectorBinary

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MakeInterval

Fields

§field: IntervalField
§value: Box<ExprNode>
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Binary

Fields

§left: Box<ExprNode>
§op: BinaryOp
§right: Box<ExprNode>
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Bool

Fields

§left: Box<ExprNode>
§op: BoolOp
§right: Box<ExprNode>
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Unary

Fields

§op: UnaryOp
§expr: Box<ExprNode>
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In

Fields

§expr: Box<ExprNode>
§values: Vec<Value>
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RowIn

Fields

§expr: Box<ExprNode>
§rows: Vec<Vec<Value>>
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IsNull

Fields

§expr: Box<ExprNode>
§negated: bool
§

Like

Fields

§expr: Box<ExprNode>
§pattern: Value
§case_insensitive: bool
§

Exists

Fields

§subquery: CompiledSql

Trait Implementations§

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impl Clone for ExprNode

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fn clone(&self) -> ExprNode

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ExprNode

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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 ToSql for ExprNode

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fn to_sql(&self, builder: &mut SqlBuilder)

Auto Trait Implementations§

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> 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