tgeo_aggfuncs.c File Reference

Aggregate functions for temporal geos. More...

#include "geo/tgeo_aggfuncs.h"
#include <assert.h>
#include <meos.h>
#include "temporal/skiplist.h"
#include "temporal/temporal_aggfuncs.h"
#include "geo/stbox.h"
#include "pg_temporal/skiplist.h"

Functions
Datum	Tpoint_tcentroid_combinefn (PG_FUNCTION_ARGS)
	Combine function for temporal centroid aggregation of temporal points @sqlfn tCentroid() More...
Datum	Tpoint_tcentroid_finalfn (PG_FUNCTION_ARGS)
	Final function for temporal centroid aggregation of temporal points @sqlfn tCentroid() More...
Datum	Tpoint_tcentroid_transfn (PG_FUNCTION_ARGS)
	Transition function for temporal centroid aggregation of temporal points @sqlfn tCentroid() More...
Datum	Tspatial_extent_transfn (PG_FUNCTION_ARGS)
	Transition function for temporal extent aggregation of temporal spatial values @sqlfn extent() More...

Detailed Description

Aggregate functions for temporal geos.

The only functions currently provided are extent and temporal centroid for temporal points