Module datafusion_physical_expr::aggregate

Modules

• build_in
  Declaration of built-in (aggregate) functions. This module contains built-in aggregates’ enumeration and metadata.
• moving_min_max
  Keep track of the minimum or maximum value in a sliding window.
• row_accumulator
  Accumulator over row format
• utils
  Utilities used in aggregates

Traits

• AggregateExpr
  An aggregate expression that:

Functions

• is_order_sensitive
  Checks whether the given aggregate expression is order-sensitive. For instance, a SUM aggregation doesn’t depend on the order of its inputs. However, a FirstValue depends on the input ordering (if the order changes, the first value in the list would change).