sea_query::types

Struct NullAlias

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pub struct NullAlias;
Expand description

Null Alias

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impl NullAlias

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pub fn new() -> Self

Trait Implementations§

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impl Clone for NullAlias

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fn clone(&self) -> NullAlias

Returns a copy 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 NullAlias

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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 Default for NullAlias

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fn default() -> NullAlias

Returns the “default value” for a type. Read more
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impl Iden for NullAlias

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fn unquoted(&self, _s: &mut dyn Write)

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fn prepare(&self, s: &mut dyn Write, q: Quote)

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fn quoted(&self, q: Quote) -> String

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fn to_string(&self) -> String

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impl Copy for NullAlias

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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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<I> IdenList for I
where I: IntoIden,

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type IntoIter = Once<SeaRc<dyn Iden>>

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fn into_iter(self) -> <I as IdenList>::IntoIter

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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> IntoColumnRef for T
where T: 'static + IntoIden,

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fn into_column_ref(self) -> ColumnRef

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impl<T> IntoIden for T
where T: 'static + Iden,

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fn into_iden(self) -> SeaRc<dyn Iden>

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impl<I> IntoIndexColumn for I
where I: IntoIden,

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fn into_index_column(self) -> IndexColumn

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impl<T> IntoTableRef for T
where T: 'static + IntoIden,

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fn into_table_ref(self) -> TableRef

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impl<I> IntoTypeRef for I
where I: IntoIden,

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fn into_type_ref(self) -> TypeRef

Available on crate feature backend-postgres only.
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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.