Struct CustomAggregationRule 

pub struct CustomAggregationRule { /* private fields */ }

Rule that applies a custom aggregation across the entire table

Implementations

impl CustomAggregationRule

pub fn builder( aggregation: Expr, rule_name: String, ) -> CustomAggregationRuleBuilder

Trait Implementations

impl Clone for CustomAggregationRule

fn clone(&self) -> CustomAggregationRule

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CustomAggregationRule

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

Formats the value using the given formatter.

impl Default for CustomAggregationRule

fn default() -> CustomAggregationRule

Returns the “default value” for a type.

impl TableRule for CustomAggregationRule

fn apply( &self, df: DataFrame, column_name: &str, ) -> Result<DataFrame, ValidationError>

Apply the rule to a DataFrame, adding a new column with aggregated results

fn name(&self) -> &str

Get the name of the rule

fn new_column_name(&self, column_name: &str) -> String

Get the name of the new column

fn description(&self) -> &str

Get the description of the rule

fn apply_with_ruleset( &self, df: DataFrame, column_name: &str, _rule_set: &RuleSet, ) -> Result<DataFrame, ValidationError>

Apply the rule to a DataFrame with access to the RuleSet