Struct PoolConfig 

pub struct PoolConfig {
    pub min_connections: usize,
    pub max_connections: usize,
    pub idle_timeout_ms: u64,
    pub acquire_timeout_ms: u64,
    pub max_lifetime_ms: u64,
    pub test_on_checkout: bool,
    pub test_on_return: bool,
}

Connection pool configuration.

Fields

min_connections: usize

Minimum number of connections to maintain

max_connections: usize

Maximum number of connections allowed

idle_timeout_ms: u64

Connection idle timeout in milliseconds

acquire_timeout_ms: u64

Maximum time to wait for a connection in milliseconds

max_lifetime_ms: u64

Maximum lifetime of a connection in milliseconds

test_on_checkout: bool

Test connections before giving them out

test_on_return: bool

Test connections when returning them to the pool

Implementations

impl PoolConfig

pub fn new(max_connections: usize) -> PoolConfig

Create a new pool configuration with the given max connections.

pub fn min_connections(self, n: usize) -> PoolConfig

Set minimum connections.

pub fn idle_timeout(self, ms: u64) -> PoolConfig

Set idle timeout in milliseconds.

pub fn acquire_timeout(self, ms: u64) -> PoolConfig

Set acquire timeout in milliseconds.

pub fn max_lifetime(self, ms: u64) -> PoolConfig

Set max lifetime in milliseconds.

pub fn test_on_checkout(self, enabled: bool) -> PoolConfig

Enable/disable test on checkout.

pub fn test_on_return(self, enabled: bool) -> PoolConfig

Enable/disable test on return.

Trait Implementations

impl Clone for PoolConfig

fn clone(&self) -> PoolConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PoolConfig

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

Formats the value using the given formatter.

impl Default for PoolConfig

fn default() -> PoolConfig

Returns the “default value” for a type.