Aggregate functions for temporal points. More...
#include <postgres.h>#include <fmgr.h>#include <catalog/pg_type.h>#include "general/temporal.h"#include "general/skiplist.h"
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Data Structures | |
| struct | GeoAggregateState |
| Structure storing the SRID and the dimensionality of the temporal point values for aggregation. More... | |
Functions | |
| void | geoaggstate_check_t (const SkipList *state, const Temporal *t) |
| Check the validity of the temporal point values for aggregation. More... | |
| Datum | tpoint_extent_transfn (PG_FUNCTION_ARGS) |
| Transition function for temporal extent aggregation of temporal point values. More... | |
| Datum | tpoint_extent_combinefn (PG_FUNCTION_ARGS) |
| Combine function for temporal extent aggregation of temporal point values. More... | |
| Datum | tpoint_tcentroid_transfn (PG_FUNCTION_ARGS) |
| Transition function for temporal centroid aggregation of temporal point values. More... | |
| Datum | tpoint_tcentroid_combinefn (PG_FUNCTION_ARGS) |
| Combine function for temporal centroid aggregation of temporal point values. More... | |
| Datum | tpoint_tcentroid_finalfn (PG_FUNCTION_ARGS) |
| Final function for temporal centroid aggregation of temporal point values. More... | |
| Temporal ** | tpoint_transform_tcentroid (const Temporal *temp, int *count) |
| Transform a temporal point value for performing temporal centroid aggregation (dispatch function) More... | |
Detailed Description
Aggregate functions for temporal points.
