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/*-------------------------------------------------------------------------
*
* hypopg.h: Implementation of hypothetical indexes for PostgreSQL
*
* This program is open source, licensed under the PostgreSQL license.
* For license terms, see the LICENSE file.
*
* Copyright (C) 2015-2024: Julien Rouhaud
*
*-------------------------------------------------------------------------
*/
#ifndef _HYPOPG_H_
#define _HYPOPG_H_
#if PG_VERSION_NUM >= 120000
#include "access/table.h"
#endif
#include "catalog/catalog.h"
#include "commands/explain.h"
#include "nodes/nodeFuncs.h"
#include "utils/memutils.h"
#include "include/hypopg_import.h"
/* Provide backward compatibility macros for table.c API on pre v12 versions */
#if PG_VERSION_NUM < 120000
#define table_open(r, l) heap_open(r, l)
#define table_close(r, l) heap_close(r, l)
#endif
/*
* Hacky macro to provide backward compatibility with either 1 or 2 arg lnext()
* on pre v13 versions
*/
#if PG_VERSION_NUM < 130000
#define LNEXT(_1, _2, NAME, ...) NAME
#undef lnext
#define lnext(...) LNEXT(__VA_ARGS__, LNEXT2, LNEXT1) (__VA_ARGS__)
#define LNEXT1(lc) ((lc)->next)
#define LNEXT2(list, lc) ((lc)->next)
#endif
/* Backport of atooid macro */
#if PG_VERSION_NUM < 100000
#define atooid(x) ((Oid) strtoul((x), NULL, 10))
#endif
extern bool isExplain;
/* GUC for enabling / disabling hypopg during EXPLAIN */
extern bool hypo_is_enabled;
extern bool hypo_use_real_oids;
extern MemoryContext HypoMemoryContext;
Oid hypo_getNewOid(Oid relid);
void hypo_reset_fake_oids(void);
#endif
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