Struct datafusion_optimizer::analyzer::Analyzer

pub struct Analyzer {
    pub rules: Vec<Arc<dyn AnalyzerRule + Send + Sync>>,
}

A rule-based Analyzer.

Fields

rules: Vec<Arc<dyn AnalyzerRule + Send + Sync>>

All rules to apply

Implementations

impl Analyzer

pub fn new() -> Self

Create a new analyzer using the recommended list of rules

pub fn with_rules(rules: Vec<Arc<dyn AnalyzerRule + Send + Sync>>) -> Self

Create a new analyzer with the given rules

pub fn execute_and_check<F>( &self, plan: &LogicalPlan, config: &ConfigOptions, observer: F ) -> Result<LogicalPlan>where F: FnMut(&LogicalPlan, &dyn AnalyzerRule),

Analyze the logical plan by applying analyzer rules, and do necessary check and fail the invalid plans

Trait Implementations

impl Clone for Analyzer

fn clone(&self) -> Analyzer

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for Analyzer

fn default() -> Self

Returns the “default value” for a type.