Struct DatabasePool 

pub struct DatabasePool { /* private fields */ }

Database connection pool

Implementations

impl DatabasePool

pub async fn connect(url: &str) -> Result<Self>

Connect to database with default configuration

pub async fn connect_with_config(url: &str, config: PoolConfig) -> Result<Self>

Connect to database with custom configuration

Recommended settings by service type:

• High-concurrency (chat, search, order): max=25-30, min=10-15
• Medium-concurrency (auth, payment): max=20, min=5-10
• Low-concurrency (feature-flags, media): max=15, min=3-5
• One-shot binaries (extract-schema): max=1, min=0

pub fn inner(&self) -> &Pool<Postgres>

Get underlying pool

pub async fn health_check(&self) -> Result<()>

Check database health

Trait Implementations

impl Clone for DatabasePool

fn clone(&self) -> DatabasePool

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Transactional for DatabasePool

fn begin_transaction<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'_>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Begin a transaction

fn with_transaction<'life0, 'async_trait, F, T>( &'life0 self, _f: F, ) -> Pin<Box<dyn Future<Output = Result<T>> + Send + 'async_trait>>

where F: FnOnce(&mut Transaction<'_>) -> Pin<Box<dyn Future<Output = Result<T>> + Send>> + Send + 'async_trait, T: Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Execute within a transaction