span_aggfuncs.c File Reference

Aggregate functions for span types. More...

#include <assert.h>
#include <postgres.h>
#include <utils/timestamp.h>
#include <meos.h>
#include <meos_internal.h>
#include "temporal/span.h"
#include "temporal/spanset.h"

Functions
Span *	set_extent_transfn (Span *state, const Set *s)
	Transition function for span extent aggregate of sets. More...
Span *	span_extent_transfn (Span *state, const Span *s)
	Transition function for span extent aggregate of spans. More...
Span *	spanbase_extent_transfn (Span *state, Datum value, meosType basetype)
	Transition function for span extent aggregate of values. More...
Span *	spanset_extent_transfn (Span *state, const SpanSet *ss)
	Transition function for span extent aggregate of span sets. More...

Detailed Description

Aggregate functions for span types.