Module function_stub

Aggregate function stubs for test in expr / optimizer.

These are used to avoid a dependence on datafusion-functions-aggregate which live in a different crate

Structs

• Avg
  Testing stub implementation of avg aggregate
• Count
  Testing stub implementation of COUNT aggregate
• Max
  Testing stub implementation of MAX aggregate
• Min
  Testing stub implementation of Min aggregate
• Sum
  Stub sum used for optimizer testing

Functions

• avg
• avg_udaf
  AggregateFunction that returns a AggregateUDF for Avg
• count
• count_udaf
  AggregateFunction that returns a AggregateUDF for Count
• max
• max_udaf
  AggregateFunction that returns a AggregateUDF for Max
• min
• min_udaf
  AggregateFunction that returns a AggregateUDF for Min
• sum
• sum_udaf
  AggregateFunction that returns a AggregateUDF for Sum