Struct ViewExploitationPlanner 

pub struct ViewExploitationPlanner { /* private fields */ }

ExtensionPlannerthat chooses the best plan from aOneOf` node.

Implementations

impl ViewExploitationPlanner

pub fn new(cost: CostFn) -> Self

Initialize this ViewExploitationPlanner with a given cost function.

Trait Implementations

impl ExtensionPlanner for ViewExploitationPlanner

fn plan_extension<'life0, 'life1, 'life2, 'life3, 'life4, 'life5, 'life6, 'async_trait>( &'life0 self, _planner: &'life1 dyn PhysicalPlanner, node: &'life2 dyn UserDefinedLogicalNode, logical_inputs: &'life3 [&'life4 LogicalPlan], physical_inputs: &'life5 [Arc<dyn ExecutionPlan>], _session_state: &'life6 SessionState, ) -> Pin<Box<dyn Future<Output = Result<Option<Arc<dyn ExecutionPlan>>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, 'life3: 'async_trait, 'life4: 'async_trait, 'life5: 'async_trait, 'life6: 'async_trait,

Choose the best candidate and use it for the physical plan.