Struct SanityCheckPlan

pub struct SanityCheckPlan {}

The SanityCheckPlan rule rejects the following query plans:

1. Invalid plans containing nodes whose order and/or distribution requirements are not satisfied by their children.
2. Plans that use pipeline-breaking operators on infinite input(s), it is impossible to execute such queries (they will never generate output nor finish)

Implementations

impl SanityCheckPlan

pub fn new() -> Self

Trait Implementations

impl Debug for SanityCheckPlan

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

Formats the value using the given formatter.

impl Default for SanityCheckPlan

fn default() -> SanityCheckPlan

Returns the “default value” for a type.

impl PhysicalOptimizerRule for SanityCheckPlan

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.