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FunctionCalledOnNull in sqlparser::ast - Rust

sqlparser::ast

Enum FunctionCalledOnNull 

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pub enum FunctionCalledOnNull {
    CalledOnNullInput,
    ReturnsNullOnNullInput,
    Strict,
}
Expand description

These attributes describe the behavior of the function when called with a null argument.

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CalledOnNullInput

Function is called even when inputs are null.

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ReturnsNullOnNullInput

Function returns null when any input is null.

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Strict

Function is strict about null inputs.

Trait Implementations§

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impl Clone for FunctionCalledOnNull

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fn clone(&self) -> FunctionCalledOnNull

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 FunctionCalledOnNull

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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<'de> Deserialize<'de> for FunctionCalledOnNull

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Display for FunctionCalledOnNull

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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 Hash for FunctionCalledOnNull

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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 Ord for FunctionCalledOnNull

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fn cmp(&self, other: &FunctionCalledOnNull) -> Ordering

This method returns an Ordering between self and other. Read more

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fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values. Read more

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fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values. Read more

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fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval. Read more

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impl PartialEq for FunctionCalledOnNull

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

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fn partial_cmp(&self, other: &FunctionCalledOnNull) -> 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 Serialize for FunctionCalledOnNull

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl Visit for FunctionCalledOnNull

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fn visit<V: Visitor>(&self, visitor: &mut V) -> ControlFlow<V::Break>

Visit this node with the provided Visitor. Read more

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impl VisitMut for FunctionCalledOnNull

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fn visit<V: VisitorMut>(&mut self, visitor: &mut V) -> ControlFlow<V::Break>

Mutably visit this node with the provided VisitorMut. Read more

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impl Eq for FunctionCalledOnNull

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impl StructuralPartialEq for FunctionCalledOnNull

Auto Trait Implementations§

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impl Freeze for FunctionCalledOnNull

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impl RefUnwindSafe for FunctionCalledOnNull

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impl Send for FunctionCalledOnNull

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impl Sync for FunctionCalledOnNull

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impl Unpin for FunctionCalledOnNull

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impl UnwindSafe for FunctionCalledOnNull

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> ToString for T

where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 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> DeserializeOwned for T

where T: for<'de> Deserialize<'de>,