Struct DbPool 

pub struct DbPool { /* private fields */ }

A highly optimized, easily clonable Database Pool wrapper.

Implementations

impl DbPool

pub fn new(database_url: &str, max_connections: usize) -> Result<Self, DbError>

Create a new PostgreSQL connection pool without panicking. Takes &str to avoid unnecessary allocations and allows configuring max_size.

pub async fn execute( &self, query: &str, params: &[&(dyn ToSql + Sync)], ) -> Result<u64, DbError>

Execute INSERT / UPDATE / DELETE Returns affected rows

pub async fn query_one( &self, query: &str, params: &[&(dyn ToSql + Sync)], ) -> Result<Row, DbError>

Get ONE row

pub async fn query_opt( &self, query: &str, params: &[&(dyn ToSql + Sync)], ) -> Result<Option<Row>, DbError>

Get ONE row or none

pub async fn query( &self, query: &str, params: &[&(dyn ToSql + Sync)], ) -> Result<Vec<Row>, DbError>

Get MANY rows

Trait Implementations

impl Clone for DbPool

fn clone(&self) -> DbPool

Returns a duplicate of the value.

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

Performs copy-assignment from source.