Trait datafusion_federation::FederationProvider

pub trait FederationProvider: Send + Sync {
    // Required methods
    fn name(&self) -> &str;
    fn compute_context(&self) -> Option<String>;
    fn optimizer(&self) -> Option<Arc<Optimizer>>;
}

Required Methods

fn name(&self) -> &str

fn compute_context(&self) -> Option<String>

fn optimizer(&self) -> Option<Arc<Optimizer>>

Trait Implementations

impl Display for dyn FederationProvider

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for dyn FederationProvider

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

impl PartialEq for dyn FederationProvider

fn eq(&self, other: &dyn FederationProvider) -> bool

Comparing name, args and return_type

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for dyn FederationProvider

Implementors

impl FederationProvider for SQLFederationProvider