grafbase_sql_ast::ast

Struct Function

pub struct Function<'a> { /* private fields */ }

Expand description

A database function definition

Implementations§

impl<'a> Function<'a>

pub fn returns_json(&self) -> bool

Trait Implementations§

impl<'a> Aliasable<'a> for Function<'a>

type Target = Function<'a>

fn alias<T>(self, alias: T) -> Self::Target
where T: Into<Cow<'a, str>>,

Alias table for usage elsewhere in the query.

impl<'a> Clone for Function<'a>

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

Returns a copy of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl<'a> Debug for Function<'a>

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

Formats the value using the given formatter. Read more

impl<'a> From<AggregateToString<'a>> for Function<'a>

fn from(value: AggregateToString<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Average<'a>> for Function<'a>

fn from(value: Average<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Coalesce<'a>> for Function<'a>

fn from(value: Coalesce<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Concat<'a>> for Function<'a>

fn from(value: Concat<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Count<'a>> for Function<'a>

fn from(value: Count<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Encode<'a>> for Function<'a>

fn from(value: Encode<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Function<'a>> for Expression<'a>

fn from(f: Function<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<JsonAgg<'a>> for Function<'a>

fn from(value: JsonAgg<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<JsonBuildObject<'a>> for Function<'a>

fn from(value: JsonBuildObject<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<JsonExtract<'a>> for Function<'a>

fn from(value: JsonExtract<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<JsonUnquote<'a>> for Function<'a>

fn from(value: JsonUnquote<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Lower<'a>> for Function<'a>

fn from(value: Lower<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Maximum<'a>> for Function<'a>

fn from(value: Maximum<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Minimum<'a>> for Function<'a>

fn from(value: Minimum<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<RowToJson<'a>> for Function<'a>

fn from(value: RowToJson<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Sum<'a>> for Function<'a>

fn from(value: Sum<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<ToJsonb<'a>> for Function<'a>

fn from(value: ToJsonb<'a>) -> Self

Converts to this type from the input type.

impl<'a> From<Upper<'a>> for Function<'a>

fn from(value: Upper<'a>) -> Self

Converts to this type from the input type.

impl<'a> IntoGroupByDefinition<'a> for Function<'a>

fn into_group_by_definition(self) -> GroupByDefinition<'a>

impl<'a> PartialEq for Function<'a>

fn eq(&self, other: &Function<'a>) -> 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<'a> StructuralPartialEq for Function<'a>

Auto Trait Implementations§

impl<'a> Freeze for Function<'a>

impl<'a> RefUnwindSafe for Function<'a>

impl<'a> Send for Function<'a>

impl<'a> Sync for Function<'a>

impl<'a> Unpin for Function<'a>

impl<'a> UnwindSafe for Function<'a>

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<'a, T> Conjunctive<'a> for T
where T: Into<Expression<'a>>,

fn and<E>(self, other: E) -> ConditionTree<'a>
where E: Into<Expression<'a>>,

Builds an AND condition having self as the left leaf and other as the right.

fn or<E>(self, other: E) -> ConditionTree<'a>
where E: Into<Expression<'a>>,

Builds an OR condition having self as the left leaf and other as the right.

fn not(self) -> ConditionTree<'a>

Builds a NOT condition having self as the condition.

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> 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.