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EntityMetadata

Struct EntityMetadata 

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pub struct EntityMetadata {
    pub rust_name: &'static str,
    pub schema: &'static str,
    pub table: &'static str,
    pub renamed_from: Option<&'static str>,
    pub columns: &'static [ColumnMetadata],
    pub primary_key: PrimaryKeyMetadata,
    pub indexes: &'static [IndexMetadata],
    pub foreign_keys: &'static [ForeignKeyMetadata],
    pub navigations: &'static [NavigationMetadata],
}
Expand description

Static metadata describing an entity.

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§rust_name: &'static str§schema: &'static str§table: &'static str§renamed_from: Option<&'static str>§columns: &'static [ColumnMetadata]§primary_key: PrimaryKeyMetadata§indexes: &'static [IndexMetadata]§foreign_keys: &'static [ForeignKeyMetadata]§navigations: &'static [NavigationMetadata]

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impl EntityMetadata

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pub fn column(&self, column_name: &str) -> Option<&'static ColumnMetadata>

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pub fn field(&self, rust_field: &str) -> Option<&'static ColumnMetadata>

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pub fn primary_key_columns(&self) -> Vec<&'static ColumnMetadata>

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pub fn rowversion_column(&self) -> Option<&'static ColumnMetadata>

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pub fn foreign_key(&self, name: &str) -> Option<&'static ForeignKeyMetadata>

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pub fn foreign_keys_for_column( &self, column_name: &str, ) -> Vec<&'static ForeignKeyMetadata>

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pub fn foreign_keys_referencing( &self, schema: &str, table: &str, ) -> Vec<&'static ForeignKeyMetadata>

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pub fn navigation( &self, rust_field: &str, ) -> Option<&'static NavigationMetadata>

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pub fn navigations_by_kind( &self, kind: NavigationKind, ) -> Vec<&'static NavigationMetadata>

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pub fn navigations_for_foreign_key( &self, foreign_key_name: &str, ) -> Vec<&'static NavigationMetadata>

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pub fn navigations_targeting( &self, schema: &str, table: &str, ) -> Vec<&'static NavigationMetadata>

Trait Implementations§

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impl Clone for EntityMetadata

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fn clone(&self) -> EntityMetadata

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for EntityMetadata

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

Formats the value using the given formatter. Read more
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impl PartialEq for EntityMetadata

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fn eq(&self, other: &EntityMetadata) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · 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.
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impl Copy for EntityMetadata

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impl Eq for EntityMetadata

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impl StructuralPartialEq for EntityMetadata

Auto Trait 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more