src/Db/Pgsql/Database.php
public function getDedicatedConnection() {
        $config = [
            'pgConnection' => $this->getPgClient()->getDedicatedConnection(false),
        ];
        return $this->createComponent(ConnectionInterface::class, $config);
    }
public function getDedicatedConnection() {
        $config = [
            'pgConnection' => $this->getPgClient()->getDedicatedConnection(false),
        ];
        return $this->createComponent(ConnectionInterface::class, $config);
    }
Get dedicated connection (Not used in shared pool)
@return ConnectionInterface