Aggregate functions

Aggregate functions for set and span types. More...

Functions
Datum	Set_extent_transfn (PG_FUNCTION_ARGS)
	Transition function for extent aggregation of sets @sqlfn extent() More...
Datum	Set_union_finalfn (PG_FUNCTION_ARGS)
	Final function for union aggregation of sets @sqlfn union() More...
Datum	Set_union_transfn (PG_FUNCTION_ARGS)
	Transition function for union aggregation of sets. More...
Datum	Span_extent_combinefn (PG_FUNCTION_ARGS)
	Combine function for extent aggregation of spans @sqlfn extent() More...
Datum	Span_extent_transfn (PG_FUNCTION_ARGS)
	Transition function for extent aggregation of spans @sqlfn extent() More...
Datum	Span_union_finalfn (PG_FUNCTION_ARGS)
	Final function for union aggregation of spans. More...
Datum	Spanbase_extent_transfn (PG_FUNCTION_ARGS)
	Transition function for extent aggregation of span base values @sqlfn extent() More...
Datum	Spanset_extent_transfn (PG_FUNCTION_ARGS)
	Transition function for extent aggregation of span sets @sqlfn extent() More...
Datum	Spanset_union_transfn (PG_FUNCTION_ARGS)
	Transition function for union aggregation of span sets. More...
Datum	Value_union_transfn (PG_FUNCTION_ARGS)
	Transition function for union aggregation of sets. More...

Detailed Description

Aggregate functions for set and span types.