tempcache.h

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/*****************************************************************************
 *
 * This MobilityDB code is provided under The PostgreSQL License.
 *
 * Copyright (c) 2016-2021, 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) 2001-2021, 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.
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 * 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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 *****************************************************************************/

#ifndef TEMPCACHE_H
#define TEMPCACHE_H

#include <postgres.h>
#include <fmgr.h>
#include <catalog/pg_type.h>
#include "temporal.h"

/*****************************************************************************/

typedef struct
{
  Oid temptypid;          
  Oid basetypid;          
  int32 basetyplen;       
  bool basebyval;         
  bool basecont;          
  Oid boxtypid;           
  int32 boxtyplen;        
} temptype_cache_struct;

#define TEMPTYPE_CACHE_MAX_LEN   16

/*****************************************************************************/

typedef enum
{
  T_BOOL,
  T_DOUBLE2,
  T_DOUBLE3,
  T_DOUBLE4,
  T_FLOAT8,
  T_FLOATRANGE,
  T_INT4,
  T_INTRANGE,
  T_PERIOD,
  T_PERIODSET,
  T_STBOX,
  T_TBOOL,
  T_TBOX,
  T_TDOUBLE2,
  T_TDOUBLE3,
  T_TDOUBLE4,
  T_TEXT,
  T_TFLOAT,
  T_TIMESTAMPSET,
  T_TIMESTAMPTZ,
  T_TINT,
  T_TSTZRANGE,
  T_TTEXT,
  T_GEOMETRY,
  T_GEOGRAPHY,
  T_TGEOMPOINT,
  T_TGEOGPOINT,
  T_NPOINT,
  T_NSEGMENT,
  T_TNPOINT,
} CachedType;

typedef enum
{
  EQ_OP,
  NE_OP,
  LT_OP,
  LE_OP,
  GT_OP,
  GE_OP,
  ADJACENT_OP,
  UNION_OP,
  MINUS_OP,
  INTERSECT_OP,
  OVERLAPS_OP,
  CONTAINS_OP,
  CONTAINED_OP,
  SAME_OP,
  LEFT_OP,
  OVERLEFT_OP,
  RIGHT_OP,
  OVERRIGHT_OP,
  BELOW_OP,
  OVERBELOW_OP,
  ABOVE_OP,
  OVERABOVE_OP,
  FRONT_OP,
  OVERFRONT_OP,
  BACK_OP,
  OVERBACK_OP,
  BEFORE_OP,
  OVERBEFORE_OP,
  AFTER_OP,
  OVERAFTER_OP,
} CachedOp;

/* Global variable that states whether the temporal type cache has been filled */
extern bool _temptyp_cache_ready;

extern Oid temporal_basetypid(Oid temptypid);

extern bool _ready;

extern Oid type_oid(CachedType t);
extern Oid oper_oid(CachedOp op, CachedType lt, CachedType rt);
extern Datum fill_opcache(PG_FUNCTION_ARGS);

#endif /* TEMPCACHE_H */

/*****************************************************************************/