Struct FunctionRegistry 

pub struct FunctionRegistry { /* private fields */ }

Implementations

impl FunctionRegistry

pub fn new() -> FunctionRegistry

pub fn register_function(&self, name: &str, function: Function)

pub fn get_function(&self, name: &str) -> Option<Arc<Function>>

pub fn get_aggregating_function_names(&self) -> HashSet<String>

Trait Implementations

impl Default for FunctionRegistry

fn default() -> Self

Returns the “default value” for a type.

impl QueryConfiguration for FunctionRegistry

fn get_aggregating_function_names(&self) -> HashSet<String>

impl RegisterAggregationFunctions for FunctionRegistry

fn register_aggregation_functions(&self)

impl RegisterFutureFunctions for FunctionRegistry

fn register_future_functions( &self, future_queue: Arc<dyn FutureQueue>, result_index: Arc<dyn ResultIndex>, expression_evaluator: Weak<ExpressionEvaluator>, )

impl RegisterPastFunctions for FunctionRegistry

fn register_past_functions(&self, archive_index: Arc<dyn ElementArchiveIndex>)