Module aggregate

Modules

agg_types

Macros to generate match arms for AggType. IMPORTANT: These macros must be carefully maintained especially when adding new AggType/PbAggKind variants.

def 🔒

Aggregation function definitions.

scalar_wrapper 🔒

user_defined 🔒

Structs

AggArgs

An aggregation function may accept 0, 1 or 2 arguments.

AggCall

Represents an aggregation function.

Enums

AggType

Aggregate function kind.

AggregateState

Intermediate state of an aggregate function.

Traits

AggStateDyn

AggregateFunction

A trait over all aggregate functions.

Functions

build

Build an aggregate function.

build_append_only

Build an append-only Aggregator from AggCall.

build_retractable

Build a retractable Aggregator from AggCall.

Type Aliases

BoxedAggregateFunction

PbAggKind

Alias for [Kind].