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NoForeignKey

drizzle_core::traits

Struct NoForeignKey 

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pub struct NoForeignKey;
Expand description

Marker used for columns that do not define a foreign key.

Trait Implementations§

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impl SQLForeignKey for NoForeignKey

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type SourceTable = ()

The table that declares the key.
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type TargetTable = ()

The table the key references.
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type SourceColumns = ()

The key’s columns in the source table, as a tuple.
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type TargetColumns = ()

The referenced columns in the target table, as a tuple.

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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> 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<List> ListIncludes<Nil, ()> for List

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impl<Mk> MarkerAggValidFor<()> for Mk

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

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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> TypeEq<T> for T