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/* * brin_pageops.h * Prototypes for operating on BRIN pages. * * Portions Copyright (c) 1996-2016, 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 bool brin_page_cleanup(Relation idxrel, Buffer buf); #endif /* BRIN_PAGEOPS_H */