temporal_selfuncs.h

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/*****************************************************************************
 *
 * This MobilityDB code is provided under The PostgreSQL License.
 * Copyright (c) 2016-2025, Université libre de Bruxelles and MobilityDB
 * contributors
 *
 * MobilityDB includes portions of PostGIS version 3 source code released
 * under the GNU General Public License (GPLv2 or later).
 * Copyright (c) 2001-2025, PostGIS contributors
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without a written
 * agreement is hereby granted, provided that the above copyright notice and
 * this paragraph and the following two paragraphs appear in all copies.
 *
 * IN NO EVENT SHALL UNIVERSITE LIBRE DE BRUXELLES BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
 * LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
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 * OF SUCH DAMAGE.
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 * UNIVERSITE LIBRE DE BRUXELLES SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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 *****************************************************************************/
 
#ifndef __TEMPORAL_SELFUNCS_H__
#define __TEMPORAL_SELFUNCS_H__
 
/* PostgreSQL */
#include <postgres.h>
#include <catalog/pg_operator.h>
#include <commands/vacuum.h>
#include <utils/lsyscache.h>
#include <utils/selfuncs.h>
#include <utils/typcache.h>
/* MEOS */
#include <meos.h>
#include "temporal/meos_catalog.h"
#include "temporal/temporal.h"
 
#define BTREE_AM_OID   403
 
#define DEFAULT_TEMP_SEL 0.0001
#define DEFAULT_TEMP_JOINSEL 0.001
 
/*****************************************************************************
 * Internal selectivity functions for Temporal types.
 *****************************************************************************/
 
extern Selectivity scalarineqsel(PlannerInfo *root, Oid operid, bool isgt,
  bool iseq, VariableStatData *vardata, Datum constval, Oid consttypid);
extern Selectivity temporal_sel_tstzspan(VariableStatData *vardata, Span *s,
  meosOper oper);
 
/*****************************************************************************
 * Some other helper functions.
 *****************************************************************************/
 
extern float8 temporal_sel(PlannerInfo *root, Oid operid, List *args,
  int varRelid, TemporalFamily tempfamily);
extern double temporal_sel_family(FunctionCallInfo fcinfo,
  TemporalFamily tempfamily);
 
extern double temporal_joinsel(PlannerInfo *root, Oid operid,
  List *args, JoinType jointype, SpecialJoinInfo *sjinfo,
  TemporalFamily tempfamily);
extern double temporal_joinsel_family(FunctionCallInfo fcinfo,
  TemporalFamily tempfamily);
 
/*****************************************************************************/
 
#endif