skiplist.h File Reference

#include <postgres.h>
#include <meos.h>
#include "temporal/temporal.h"

Go to the source code of this file.

Macros
#define	DatumGetSkipListP(X)   ((SkipList *) DatumGetPointer(X))
	Skiplist data structure used for performing temporal aggregates. More...
#define	PG_GETARG_SKIPLIST_P(n)   DatumGetSkipListP(PG_GETARG_DATUM(n))
#define	PG_RETURN_SKIPLIST_P(x)   return SkipListPGetDatum(x)
#define	SkipListPGetDatum(X)   PointerGetDatum(X)

Functions
void	aggstate_set_extra (SkipList *state, void *data, size_t size)
	Output the skiplist in graphviz dot format for visualisation and debugging purposes. More...
bool	ensure_same_skiplist_subtype (SkipList *state, uint8 subtype)
void *	skiplist_headval (SkipList *list)
	Return the value at the head of the skiplist. More...
SkipList *	skiplist_make (void **values, int count)
	Constructs a skiplist from the array of values values. More...
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. More...
Temporal **	skiplist_temporal_values (SkipList *list)
	Return a copy of the temporal values contained in the skiplist. More...
void **	skiplist_values (SkipList *list)
	Return the values contained in the skiplist. More...