tpoint_aggfuncs.h

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 * Copyright (c) 2016-2023, Université libre de Bruxelles and MobilityDB
 * contributors
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#ifndef __TPOINT_AGGFUNCS_H__
#define __TPOINT_AGGFUNCS_H__
 
/* PostgreSQL */
#include <postgres.h>
/* MEOS */
#include "general/skiplist.h"
#include "general/temporal.h"
 
/*****************************************************************************/
 
struct GeoAggregateState
{
  int32_t srid;
  bool hasz;
};
 
/*****************************************************************************/
 
extern void geoaggstate_check(const SkipList *state, int32_t srid, bool hasz);
extern void geoaggstate_check_temp(const SkipList *state, const Temporal *t);
extern void geoaggstate_check_state(const SkipList *state1,
  const SkipList *state2);
 
extern Temporal **tpoint_transform_tcentroid(const Temporal *temp, int *count);
extern SkipList * tpoint_tcentroid_transfn(SkipList *state, Temporal *temp);
extern TSequence *tpointinst_tcentroid_finalfn(TInstant **instants, int count,
  int srid);
extern TSequenceSet *tpointseq_tcentroid_finalfn(TSequence **sequences,
  int count, int srid);
 
/*****************************************************************************/
 
#endif