Module datafusion::functions_aggregate

re-export of datafusion_functions_aggregate crate

Modules

• approx_distinct
  Defines physical expressions that can evaluated at runtime during query execution
• approx_median
  Defines physical expressions for APPROX_MEDIAN that can be evaluated MEDIAN at runtime during query execution
• approx_percentile_cont
• approx_percentile_cont_with_weight
• average
  Defines Avg & Mean aggregate & accumulators
• bit_and_or_xor
  Defines BitAnd, BitOr, BitXor and BitXor DISTINCT aggregate accumulators
• bool_and_or
  Defines physical expressions that can evaluated at runtime during query execution
• correlation
  Correlation: correlation sample aggregations.
• count
• covariance
  CovarianceSample: covariance sample aggregations.
• expr_fn
  Fluent-style API for creating Exprs
• first_last
  Defines the FIRST_VALUE/LAST_VALUE aggregations.
• grouping
  Defines physical expressions that can evaluated at runtime during query execution
• hyperloglog
  HyperLogLog
• macros
• median
• nth_value
  Defines NTH_VALUE aggregate expression which may specify ordering requirement that can evaluated at runtime during query execution
• regr
  Defines physical expressions that can evaluated at runtime during query execution
• stddev
  Defines physical expressions that can evaluated at runtime during query execution
• string_agg
  StringAgg and [StringAggAccumulator] accumulator for the string_agg function
• sum
  Defines SUM and SUM DISTINCT aggregate accumulators
• variance
  VarianceSample: variance sample aggregations. VariancePopulation: variance population aggregations.

Functions

• all_default_aggregate_functions
  Returns all default aggregate functions
• register_all
  Registers all enabled packages with a FunctionRegistry