Enum oracle::ShutdownMode

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pub enum ShutdownMode {
    Default,
    Transactional,
    TransactionalLocal,
    Immediate,
    Abort,
    Final,
}
Expand description

Database shutdown mode

See Connection::shutdown_database.

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Default

Further connects are prohibited. Waits for users to disconnect from the database.

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Transactional

Further connects are prohibited and no new transactions are allowed. Waits for active transactions to complete.

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TransactionalLocal

Further connects are prohibited and no new transactions are allowed. Waits only for local transactions to complete.

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Immediate

Does not wait for current calls to complete or users to disconnect from the database. All uncommitted transactions are terminated and rolled back.

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Abort

Does not wait for current calls to complete or users to disconnect from the database. All uncommitted transactions are terminated and are not rolled back. This is the fastest possible way to shut down the database, but the next database startup may require instance recovery. Therefore, this option should be used only in unusual circumstances; for example, if a background process terminates abnormally.

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Final

Shuts down the database. Should be used only in the second call to Connection::shutdown_database after the database is closed and dismounted.

Trait Implementations§

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impl Clone for ShutdownMode

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fn clone(&self) -> ShutdownMode

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 Debug for ShutdownMode

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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 ShutdownMode

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fn eq(&self, other: &ShutdownMode) -> 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 Copy for ShutdownMode

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impl Eq for ShutdownMode

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impl StructuralPartialEq for ShutdownMode

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> 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.