Struct CardinalityRule 

pub struct CardinalityRule { /* private fields */ }

Cardinality rule that detects categorical columns

Implementations

impl CardinalityRule

pub fn new() -> Self

Create a new cardinality rule with default thresholds

pub fn with_thresholds(categorical: u64, low_cardinality: u64) -> Self

Create a cardinality rule with custom thresholds

Trait Implementations

impl ConstraintSuggestionRule for CardinalityRule

fn apply(&self, profile: &ColumnProfile) -> Vec<SuggestedConstraint>

Apply this rule to a column profile and return suggested constraints

fn name(&self) -> &str

Get a human-readable name for this rule

fn description(&self) -> &str

Get a description of what this rule analyzes

impl Default for CardinalityRule

fn default() -> Self

Returns the “default value” for a type.