tgeo_aggfuncs.h

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#ifndef __TGEO_AGGFUNCS_H__
#define __TGEO_AGGFUNCS_H__
 
/* PostgreSQL */
#include <postgres.h>
/* MEOS */
#include <meos.h>
 
 
/*****************************************************************************/
 
struct GeoAggregateState
{
  int32_t srid;
  bool hasz;
};
 
/*****************************************************************************/
 
extern bool ensure_geoaggstate(const SkipList *state, int32_t srid, bool hasz);
extern bool ensure_geoaggstate_state(const SkipList *state1,
  const SkipList *state2);
 
extern Temporal **tpoint_transform_tcentroid(const Temporal *temp, int *count);
extern TSequence *tpointinst_tcentroid_finalfn(TInstant **instants, int count,
  int32_t srid);
extern TSequenceSet *tpointseq_tcentroid_finalfn(TSequence **sequences,
  int count, int32_t srid);
extern Temporal *tpoint_tcentroid_finalfn(SkipList *state);
 
/*****************************************************************************/
 
#endif