Struct PoolOptions 

pub struct PoolOptions {
    pub max_connections: u32,
    pub min_connections: u32,
    pub acquire_timeout: Duration,
    pub idle_timeout: Option<Duration>,
    pub max_lifetime: Option<Duration>,
    pub test_before_acquire: bool,
}

Pool options.

Fields

max_connections: u32

Maximum number of connections.

min_connections: u32

Minimum number of connections to keep idle.

acquire_timeout: Duration

Maximum time to wait for a connection.

idle_timeout: Option<Duration>

Maximum idle time before closing a connection.

max_lifetime: Option<Duration>

Maximum lifetime of a connection.

test_before_acquire: bool

Test connections before returning them.

Implementations

impl PoolOptions

pub fn new() -> Self

Create new pool options.

pub fn max_connections(self, n: u32) -> Self

Set max connections.

pub fn min_connections(self, n: u32) -> Self

Set min connections.

pub fn acquire_timeout(self, timeout: Duration) -> Self

Set acquire timeout.

pub fn idle_timeout(self, timeout: Duration) -> Self

Set idle timeout.

pub fn no_idle_timeout(self) -> Self

Disable idle timeout.

pub fn max_lifetime(self, lifetime: Duration) -> Self

Set max lifetime.

pub fn no_max_lifetime(self) -> Self

Disable max lifetime.

pub fn test_before_acquire(self, enabled: bool) -> Self

Enable/disable test before acquire.

Trait Implementations

impl Clone for PoolOptions

fn clone(&self) -> PoolOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PoolOptions

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

Formats the value using the given formatter.

impl Default for PoolOptions

fn default() -> Self

Returns the “default value” for a type.