Struct AggregateFunctionRegistry 

pub struct AggregateFunctionRegistry { /* private fields */ }

Registry for aggregate functions

Implementations

impl AggregateFunctionRegistry

pub fn new() -> Self

pub fn register(&mut self, function: Box<dyn AggregateFunction>)

Register an aggregate function

pub fn get(&self, name: &str) -> Option<Arc<Box<dyn AggregateFunction>>>

Get an aggregate function by name

pub fn contains(&self, name: &str) -> bool

Check if a function exists

pub fn list_functions(&self) -> Vec<String>

List all registered functions