MobilityDB 1.1
skiplist.h
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29
34#ifndef __SKIPLIST_H__
35#define __SKIPLIST_H__
36
37/* PostgreSQL */
38#include <postgres.h>
39/* MEOS */
40#include <meos.h>
41#include "general/temporal.h"
42
43/*****************************************************************************/
44
45extern void aggstate_set_extra(SkipList *state, void *data, size_t size);
46
47extern SkipList *skiplist_make(void **values, int count,
48 SkipListElemType elemtype);
49extern void *skiplist_headval(SkipList *list);
50extern void skiplist_splice(SkipList *list, void **values, int count,
51 datum_func2 func, bool crossings);
52extern void **skiplist_values(SkipList *list);
55extern void skiplist_free(SkipList *list);
56
57/*****************************************************************************/
58
59#endif
Temporal ** skiplist_temporal_values(SkipList *list)
Return a copy of the temporal values contained in the skiplist.
Definition: skiplist.c:711
Span ** skiplist_period_values(SkipList *list)
Return a copy of the period values contained in the skiplist.
Definition: skiplist.c:693
SkipList * skiplist_make(void **values, int count, SkipListElemType elemtype)
Constructs a skiplist from the array of values values.
Definition: skiplist.c:344
void ** skiplist_values(SkipList *list)
Return the values contained in the skiplist.
Definition: skiplist.c:670
void aggstate_set_extra(SkipList *state, void *data, size_t size)
Skiplist data structure used for performing temporal aggregates.
Definition: skiplist.c:299
void skiplist_free(SkipList *list)
Free the skiplist.
Definition: skiplist.c:203
void skiplist_splice(SkipList *list, void **values, int count, datum_func2 func, bool crossings)
Splice the skiplist with the array of values using the aggregation function.
Definition: skiplist.c:463
void * skiplist_headval(SkipList *list)
Return the value at the head of the skiplist.
Definition: skiplist.c:318
Datum(* datum_func2)(Datum, Datum)
Definition: temporal.h:367
SkipListElemType
Definition: meos.h:230
Structure to represent skiplists that keep the current state of an aggregation.
Definition: meos.h:240
Structure to represent spans (a.k.a.
Definition: meos.h:70
Structure to represent the common structure of temporal values of any temporal subtype.
Definition: meos.h:136
Definition: pgtz.h:42