Aggregate functions for temporal points. More...
#include "point/tpoint_aggfuncs.h"#include <assert.h>#include "general/temporaltypes.h"#include "general/tempcache.h"#include "general/temporal_util.h"#include "general/doublen.h"#include "general/skiplist.h"#include "general/temporal_aggfuncs.h"#include "point/tpoint.h"#include "point/tpoint_spatialfuncs.h"
Include dependency graph for tpoint_aggfuncs.c:
Functions | |
| void | geoaggstate_check (const SkipList *state, int32_t srid, bool hasz) |
| Check the validity of the temporal point values for aggregation. More... | |
| static void | geoaggstate_check_as (const SkipList *state1, const SkipList *state2) |
| Check the validity of the temporal point values for aggregation. More... | |
| void | geoaggstate_check_t (const SkipList *state, const Temporal *t) |
| Check the validity of the temporal point values for aggregation. More... | |
| static TInstant * | tpointinst_transform_tcentroid (const TInstant *inst) |
| Transform a temporal point value of instant type into a temporal double3/double4 value for performing temporal centroid aggregation. More... | |
| static TInstant ** | tpointinstset_transform_tcentroid (const TInstantSet *ti) |
| Transform a temporal point value of instant set type into a temporal double3/double4 value for performing temporal centroid aggregation. More... | |
| static TSequence * | tpointseq_transform_tcentroid (const TSequence *seq) |
| Transform a temporal point value of sequence type into a temporal double3/double4 value for performing temporal centroid aggregation. More... | |
| static TSequence ** | tpointseqset_transform_tcentroid (const TSequenceSet *ts) |
| Transform a temporal point value of sequence set type into a temporal double3/double4 value for performing temporal centroid aggregation. More... | |
| Temporal ** | tpoint_transform_tcentroid (const Temporal *temp, int *count) |
| Transform a temporal point value for performing temporal centroid aggregation (dispatch function) More... | |
| PGDLLEXPORT Datum | tpoint_extent_transfn (PG_FUNCTION_ARGS) |
| Transition function for temporal extent aggregation of temporal point values. More... | |
| PGDLLEXPORT Datum | tpoint_extent_combinefn (PG_FUNCTION_ARGS) |
| Combine function for temporal extent aggregation of temporal point values. More... | |
| PGDLLEXPORT Datum | tpoint_tcentroid_transfn (PG_FUNCTION_ARGS) |
| Transition function for temporal centroid aggregation of temporal point values. More... | |
| PGDLLEXPORT Datum | tpoint_tcentroid_combinefn (PG_FUNCTION_ARGS) |
| Combine function for temporal centroid aggregation of temporal point values. More... | |
| static Datum | doublen_to_point (const TInstant *inst, int srid) |
| Transforms a temporal doubleN instant into a point. More... | |
| TInstantSet * | tpointinst_tcentroid_finalfn (TInstant **instants, int count, int srid) |
| Final function for temporal centroid aggregation of temporal point values with instant type. More... | |
| TSequenceSet * | tpointseq_tcentroid_finalfn (TSequence **sequences, int count, int srid) |
| Final function for temporal centroid aggregation of temporal point values with sequence type. More... | |
| PGDLLEXPORT Datum | tpoint_tcentroid_finalfn (PG_FUNCTION_ARGS) |
| Final function for temporal centroid aggregation of temporal point values. More... | |
Detailed Description
Aggregate functions for temporal points.
The only functions currently provided are extent and temporal centroid.
