Struct datafusion::physical_optimizer::pipeline_checker::PipelineChecker

pub struct PipelineChecker {}

The PipelineChecker rule rejects non-runnable query plans that use pipeline-breaking operators on infinite input(s).

Implementations

impl PipelineChecker

pub fn new() -> Self

Trait Implementations

impl Default for PipelineChecker

fn default() -> PipelineChecker

Returns the “default value” for a type.

impl PhysicalOptimizerRule for PipelineChecker

fn optimize( &self, plan: Arc<dyn ExecutionPlan>, config: &ConfigOptions ) -> Result<Arc<dyn ExecutionPlan>>

Rewrite plan to an optimized form

fn name(&self) -> &str

A human readable name for this optimizer rule

fn schema_check(&self) -> bool

A flag to indicate whether the physical planner should valid the rule will not change the schema of the plan after the rewriting. Some of the optimization rules might change the nullable properties of the schema and should disable the schema check.