File size: 1,345 Bytes
c9a9a76 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | /*
* brin_pageops.h
* Prototypes for operating on BRIN pages.
*
* Portions Copyright (c) 1996-2023, 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 */
|