Module datafusion_physical_expr_common::aggregate

Modules

• groups_accumulator
  Utilities for implementing GroupsAccumulator
• stats
• utils

Structs

• AggregateFunctionExpr
  Physical aggregate expression of a UDAF.
• AggregatePhysicalExpressions
  Stores the physical expressions used inside the AggregateExpr.

Traits

• AggregateExpr
  An aggregate expression that:

Functions

• create_aggregate_expr
  Creates a physical expression of the UDAF, that includes all necessary type coercion. This function errors when args’ can’t be coerced to a valid argument type of the UDAF.