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PooledConnection

Struct PooledConnection 

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

A connection managed by a pool.

This struct is thread-safe (Sync) because the return callback is protected by a Mutex.

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impl PooledConnection

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pub fn new<F>(connection: Arc<Connection>, on_return: F) -> Self
where F: FnOnce(Arc<Connection>) + Send + 'static,

Create a new pooled connection.

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pub fn connection(&self) -> &Connection

Get a reference to the underlying connection.

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pub fn inner(&self) -> &Connection

Get the underlying connection (alias for connection()).

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pub async fn query(&self, sql: &str) -> Result<QueryResult, ClientError>

Execute a query.

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pub async fn execute(&self, sql: &str) -> Result<u64, ClientError>

Execute a statement.

Methods from Deref<Target = Connection>§

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pub fn id(&self) -> u64

Get the connection ID.

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pub fn is_connected(&self) -> bool

Check if connected.

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pub fn in_transaction(&self) -> bool

Check if in a transaction.

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pub fn age(&self) -> Duration

Get connection age.

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pub fn idle_time(&self) -> Duration

Get idle time.

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pub async fn query(&self, sql: &str) -> Result<QueryResult, ClientError>

Execute a query.

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pub async fn query_with_params( &self, sql: &str, params: Vec<Value>, ) -> Result<QueryResult, ClientError>

Execute a query with parameters.

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pub async fn execute(&self, sql: &str) -> Result<u64, ClientError>

Execute a statement (INSERT, UPDATE, DELETE).

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pub async fn execute_with_params( &self, sql: &str, params: Vec<Value>, ) -> Result<u64, ClientError>

Execute a statement with parameters.

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pub async fn begin_transaction(&self) -> Result<(), ClientError>

Begin a transaction.

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pub async fn commit(&self) -> Result<(), ClientError>

Commit a transaction.

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pub async fn rollback(&self) -> Result<(), ClientError>

Rollback a transaction.

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pub async fn ping(&self) -> Result<(), ClientError>

Ping the connection.

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pub async fn close(&self)

Close the connection.

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pub fn stats(&self) -> ConnectionStats

Get connection statistics.

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pub fn base_url(&self) -> &str

Get the base URL of the server.

Trait Implementations§

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impl Deref for PooledConnection

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type Target = Connection

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl Drop for PooledConnection

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fn drop(&mut self)

Executes the destructor for this type. Read more

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
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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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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

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