Struct SessionModeHandler 

pub struct SessionModeHandler { /* private fields */ }

Session mode handler

In session mode, a connection is held for the entire client session. This provides 1:1 client-to-backend mapping, which is:

• Safest for all PostgreSQL features
• Compatible with server-side prepared statements
• Compatible with LISTEN/NOTIFY
• Compatible with temp tables and session variables

The downside is less connection sharing between clients.

Implementations

impl SessionModeHandler

pub fn new() -> Self

Create a new session mode handler

pub fn with_prepared_tracking() -> Self

Create with prepared statement tracking enabled

pub fn create_lease( &self, connection: PooledConnection, client_id: ClientId, ) -> ConnectionLease

Create a lease for this mode

pub fn on_statement_complete( &self, _lease: &mut ConnectionLease, _sql: &str, ) -> LeaseAction

Process a statement and determine action

Session mode always holds the connection.

pub fn on_transaction_end(&self, _lease: &mut ConnectionLease) -> LeaseAction

Process transaction end

Session mode always holds the connection.

pub fn should_release(&self, _lease: &ConnectionLease) -> bool

Check if connection should be released

Session mode never releases until client disconnects.

pub fn on_client_disconnect(&self, _lease: ConnectionLease) -> LeaseAction

Called when client disconnects

pub fn mode(&self) -> PoolingMode

Get the pooling mode

pub fn tracks_prepared_statements(&self) -> bool

Check if prepared statement tracking is enabled

Trait Implementations

impl Default for SessionModeHandler

fn default() -> Self

Returns the “default value” for a type.