Struct CustomRule 

pub struct CustomRule { /* private fields */ }

Rule that applies a custom SQL expression to a column

Implementations

impl CustomRule

pub fn new(rule_name: &str, expression: Expr) -> Self

Trait Implementations

impl Clone for CustomRule

fn clone(&self) -> CustomRule

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl ColumnRule for CustomRule

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

Apply the rule to a DataFrame, adding a new column

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

impl Debug for CustomRule

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

Formats the value using the given formatter.