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ForeignKeySnapshot

Struct ForeignKeySnapshot 

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pub struct ForeignKeySnapshot {
    pub name: Option<String>,
    pub columns: Vec<String>,
    pub references_table: String,
    pub references_columns: Vec<String>,
    pub on_delete: Option<ForeignKeyAction>,
    pub on_update: Option<ForeignKeyAction>,
}
Expand description

A snapshot of a foreign key constraint.

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§name: Option<String>

Optional constraint name.

§columns: Vec<String>

Columns in this table.

§references_table: String

Referenced table.

§references_columns: Vec<String>

Referenced columns.

§on_delete: Option<ForeignKeyAction>

ON DELETE action.

§on_update: Option<ForeignKeyAction>

ON UPDATE action.

Trait Implementations§

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impl Clone for ForeignKeySnapshot

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fn clone(&self) -> ForeignKeySnapshot

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 ForeignKeySnapshot

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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 PartialEq for ForeignKeySnapshot

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fn eq(&self, other: &ForeignKeySnapshot) -> 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 Eq for ForeignKeySnapshot

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impl StructuralPartialEq for ForeignKeySnapshot

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, 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, 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.