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SqliteOptions

Struct SqliteOptions 

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pub struct SqliteOptions { /* private fields */ }
Expand description

How a SqliteStore opens and uses its connections.

Builder style: SqliteOptions::new().busy_timeout(Duration::from_secs(5)).

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impl SqliteOptions

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pub fn new() -> SqliteOptions

At most 8 idle connections kept; a writer waits at most 30 seconds for the database’s write lock (and a reader for a lock held in exclusive mode); every commit durable (synchronous = FULL).

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pub fn max_size(self, n: usize) -> SqliteOptions

The most idle connections kept open for reuse (at least 1). More may be open at once, one per concurrent call; SQLite connections are cheap, and readers do not wait for each other or for the writer (WAL).

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pub fn busy_timeout(self, d: Duration) -> SqliteOptions

How long a call waits for a lock another connection (of this process or another) holds before failing with Error::Database (SQLITE_BUSY; reads through the Resolver: None). Writers take the database’s one write lock for the duration of a put_*, so this is the longest a writer waits behind the others.

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pub fn durable(self, yes: bool) -> SqliteOptions

Whether each commit is flushed to disk before it returns (synchronous = FULL, the default), or only at checkpoints (synchronous = NORMAL: a power loss can lose the latest commits, never consistency; much faster for bulk loads, like PostgreSQL’s synchronous_commit = off). Either way an application crash loses nothing committed.

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impl Clone for SqliteOptions

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fn clone(&self) -> Self

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 SqliteOptions

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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 SqliteOptions

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fn default() -> SqliteOptions

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

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impl PartialEq for SqliteOptions

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fn eq(&self, other: &Self) -> 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 SqliteOptions

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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<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<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> 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<U> 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<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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