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/*
* brin_pageops.h
* Prototypes for operating on BRIN pages.
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/include/access/brin_pageops.h
*/
#ifndef BRIN_PAGEOPS_H
#define BRIN_PAGEOPS_H
#include "access/brin_revmap.h"
extern bool brin_doupdate(Relation idxrel, BlockNumber pagesPerRange,
BrinRevmap *revmap, BlockNumber heapBlk,
Buffer oldbuf, OffsetNumber oldoff,
const BrinTuple *origtup, Size origsz,
const BrinTuple *newtup, Size newsz,
bool samepage);
extern bool brin_can_do_samepage_update(Buffer buffer, Size origsz,
Size newsz);
extern OffsetNumber brin_doinsert(Relation idxrel, BlockNumber pagesPerRange,
BrinRevmap *revmap, Buffer *buffer, BlockNumber heapBlk,
BrinTuple *tup, Size itemsz);
extern void brin_page_init(Page page, uint16 type);
extern void brin_metapage_init(Page page, BlockNumber pagesPerRange,
uint16 version);
extern bool brin_start_evacuating_page(Relation idxRel, Buffer buf);
extern void brin_evacuate_page(Relation idxRel, BlockNumber pagesPerRange,
BrinRevmap *revmap, Buffer buf);
extern void brin_page_cleanup(Relation idxrel, Buffer buf);
#endif /* BRIN_PAGEOPS_H */
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