Enum DbHandle 

pub enum DbHandle {
    Conn(DatabaseConnection),
    Tx(Arc<DatabaseTransaction>),
}

Request-scoped DB handle: pool connection or open transaction.

Variants

Conn(DatabaseConnection)

Tx(Arc<DatabaseTransaction>)

Implementations

impl DbHandle

pub fn as_conn(&self) -> Option<&DatabaseConnection>

Trait Implementations

impl Clone for DbHandle

fn clone(&self) -> DbHandle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl ConnectionTrait for DbHandle

fn get_database_backend(&self) -> DbBackend

Get the database backend for the connection. This depends on feature flags enabled.

fn execute_raw<'life0, 'async_trait>( &'life0 self, stmt: Statement, ) -> Pin<Box<dyn Future<Output = Result<ExecResult, DbErr>> + Send + 'async_trait>>

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

Execute a Statement

fn execute_unprepared<'life0, 'life1, 'async_trait>( &'life0 self, sql: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<ExecResult, DbErr>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Execute a unprepared Statement

fn query_one_raw<'life0, 'async_trait>( &'life0 self, stmt: Statement, ) -> Pin<Box<dyn Future<Output = Result<Option<QueryResult>, DbErr>> + Send + 'async_trait>>

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

Execute a Statement and return a single row of QueryResult

fn query_all_raw<'life0, 'async_trait>( &'life0 self, stmt: Statement, ) -> Pin<Box<dyn Future<Output = Result<Vec<QueryResult>, DbErr>> + Send + 'async_trait>>

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

Execute a Statement and return a vector of QueryResult

fn execute<'life0, 'life1, 'async_trait, S>( &'life0 self, stmt: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<ExecResult, DbErr>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, S: 'async_trait + StatementBuilder, Self: 'async_trait,

Execute a StatementBuilder

fn query_one<'life0, 'life1, 'async_trait, S>( &'life0 self, stmt: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Option<QueryResult>, DbErr>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, S: 'async_trait + StatementBuilder, Self: 'async_trait,

Execute a StatementBuilder and return a single row of QueryResult

fn query_all<'life0, 'life1, 'async_trait, S>( &'life0 self, stmt: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Vec<QueryResult>, DbErr>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, S: 'async_trait + StatementBuilder, Self: 'async_trait,

Execute a StatementBuilder and return a vector of QueryResult

fn support_returning(&self) -> bool

Check if the connection supports RETURNING syntax on insert and update

fn is_mock_connection(&self) -> bool

Check if the connection is a test connection for the Mock database