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ProjectionPushdownRule

dbx_core::sql::optimizer

Struct ProjectionPushdownRule

pub struct ProjectionPushdownRule;

Expand description

불필요한 컬럼을 조기 제거하여 메모리 절감

Trait Implementations§

impl OptimizationRule for ProjectionPushdownRule

fn name(&self) -> &str

규칙 이름

fn apply(&self, plan: LogicalPlan) -> DbxResult<LogicalPlan>

LogicalPlan에 규칙 적용

Auto Trait Implementations§

impl Freeze for ProjectionPushdownRule

impl RefUnwindSafe for ProjectionPushdownRule

impl Send for ProjectionPushdownRule

impl Sync for ProjectionPushdownRule

impl Unpin for ProjectionPushdownRule

impl UnsafeUnpin for ProjectionPushdownRule

impl UnwindSafe for ProjectionPushdownRule

Blanket Implementations§

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