Enum PlanCacheMode

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pub enum PlanCacheMode {
    Auto,
    ForceGenericPlan,
    ForceCustomPlan,
}

Expand description

PostgreSQL plan_cache_mode 枚举值（[provider.sqldb.postgres_session]）。

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Auto

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ForceGenericPlan

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ForceCustomPlan

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impl PlanCacheMode

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pub fn to_sql_value(self) -> &'static str

PostgreSQL SET plan_cache_mode 接受的取值。

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impl Clone for PlanCacheMode

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fn clone(&self) -> PlanCacheMode

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 Copy for PlanCacheMode

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impl Debug for PlanCacheMode

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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 PlanCacheMode

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fn default() -> PlanCacheMode

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

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impl<'de> Deserialize<'de> for PlanCacheMode

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Eq for PlanCacheMode

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impl PartialEq for PlanCacheMode

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

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

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impl StructuralPartialEq for PlanCacheMode

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impl UnwindSafe for PlanCacheMode

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneAny for T
where T: Any + Clone + Send + Sync,

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fn clone_any(&self) -> Box<dyn CloneAny>

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fn clone_any_send(&self) -> Box<dyn CloneAny + Send>

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fn clone_any_sync(&self) -> Box<dyn CloneAny + Sync>

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fn clone_any_send_sync(&self) -> Box<dyn CloneAny + Send + Sync>

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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> DebugAny for T
where T: Any + Debug,

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> EnvTomlLoad<T> for T
where T: DeserializeOwned,

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fn env_load_toml( path: &Path, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

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fn env_parse_toml( content: &str, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

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impl<T> EnvYamlLoad<T> for T
where T: DeserializeOwned,

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fn env_load_yaml( path: &Path, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

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fn env_parse_yaml( content: &str, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self

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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 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 for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> UnsafeAny for T
where T: Any,

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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

Enum PlanCacheMode Copy item path

Variants§

Auto

ForceGenericPlan

ForceCustomPlan

Implementations§

impl PlanCacheMode

pub fn to_sql_value(self) -> &'static str

Trait Implementations§

impl Clone for PlanCacheMode

fn clone(&self) -> PlanCacheMode

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

impl Copy for PlanCacheMode

impl Debug for PlanCacheMode

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

impl Default for PlanCacheMode

fn default() -> PlanCacheMode

impl<'de> Deserialize<'de> for PlanCacheMode

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

impl Eq for PlanCacheMode

impl PartialEq for PlanCacheMode

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

fn ne(&self, other: &Rhs) -> bool

impl StructuralPartialEq for PlanCacheMode

Auto Trait Implementations§

impl Freeze for PlanCacheMode

impl RefUnwindSafe for PlanCacheMode

impl Send for PlanCacheMode

impl Sync for PlanCacheMode

impl Unpin for PlanCacheMode

impl UnsafeUnpin for PlanCacheMode

impl UnwindSafe for PlanCacheMode

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DTwhere ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DTwhere ST: ?Sized, DT: ?Sized,

impl<T> CloneAny for Twhere T: Any + Clone + Send + Sync,

fn clone_any(&self) -> Box<dyn CloneAny>

fn clone_any_send(&self) -> Box<dyn CloneAny + Send>

fn clone_any_sync(&self) -> Box<dyn CloneAny + Sync>

fn clone_any_send_sync(&self) -> Box<dyn CloneAny + Send + Sync>

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> DebugAny for Twhere T: Any + Debug,

impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,

impl<T> EnvTomlLoad<T> for Twhere T: DeserializeOwned,

fn env_load_toml( path: &Path, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

fn env_parse_toml( content: &str, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

impl<T> EnvYamlLoad<T> for Twhere T: DeserializeOwned,

fn env_load_yaml( path: &Path, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

fn env_parse_yaml( content: &str, dict: &ValueDict, ) -> Result<T, StructError<ConfIOReason>>

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self> ⓘ

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘwhere F: FnOnce(&Self) -> bool,

impl<T> Read<Exclusive, BecauseExclusive> for Twhere T: ?Sized,

impl<T> Same for T

type Output = T

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = !

fn try_from(value: U) -> Result<T, !>

Enum PlanCacheMode

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

impl<T> CloneAny for T
where T: Any + Clone + Send + Sync,

impl<T> CloneToUninit for T
where T: Clone,

impl<T> DebugAny for T
where T: Any + Debug,

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

impl<T> EnvTomlLoad<T> for T
where T: DeserializeOwned,

impl<T> EnvYamlLoad<T> for T
where T: DeserializeOwned,

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

impl<T> ToOwned for T
where T: Clone,

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

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

impl<T> UnsafeAny for T
where T: Any,

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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