Struct diesel::pg::PgMetadataCacheKey

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pub struct PgMetadataCacheKey<'a> { /* private fields */ }
Available on crate features postgres_backend and i-implement-a-third-party-backend-and-opt-into-breaking-changes only.
Expand description

The key used to lookup cached type oid’s inside of a PgMetadataCache.

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impl<'a> PgMetadataCacheKey<'a>

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pub fn new(schema: Option<Cow<'a, str>>, type_name: Cow<'a, str>) -> Self

Construct a new cache key from an optional schema name and a type name

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pub fn into_owned(self) -> PgMetadataCacheKey<'static>

Convert the possibly borrowed version of this metadata cache key into a lifetime independ owned version

Trait Implementations§

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impl<'a> Clone for PgMetadataCacheKey<'a>

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

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<'a> Debug for PgMetadataCacheKey<'a>

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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<'a> Hash for PgMetadataCacheKey<'a>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> PartialEq for PgMetadataCacheKey<'a>

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fn eq(&self, other: &PgMetadataCacheKey<'a>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a> Eq for PgMetadataCacheKey<'a>

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impl<'a> StructuralPartialEq for PgMetadataCacheKey<'a>

Auto Trait Implementations§

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impl<'a> Freeze for PgMetadataCacheKey<'a>

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impl<'a> RefUnwindSafe for PgMetadataCacheKey<'a>

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impl<'a> Send for PgMetadataCacheKey<'a>

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impl<'a> Sync for PgMetadataCacheKey<'a>

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impl<'a> Unpin for PgMetadataCacheKey<'a>

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impl<'a> UnwindSafe for PgMetadataCacheKey<'a>

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> 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> IntoSql for T

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fn into_sql<T>(self) -> AsExprOf<Self, T>

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T>

Convert &self to an expression for Diesel’s query builder. Read more
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V