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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
| commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
| tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/include/access/brin_revmap.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-14-46651ce6fe013220ed397add242004d764fc0153.tar.xz postgresql-14-46651ce6fe013220ed397add242004d764fc0153.zip | |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/access/brin_revmap.h')
| -rw-r--r-- | src/include/access/brin_revmap.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/include/access/brin_revmap.h b/src/include/access/brin_revmap.h new file mode 100644 index 0000000..4259fe8 --- /dev/null +++ b/src/include/access/brin_revmap.h @@ -0,0 +1,41 @@ +/* + * brin_revmap.h + * Prototypes for BRIN reverse range maps + * + * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * IDENTIFICATION + * src/include/access/brin_revmap.h + */ + +#ifndef BRIN_REVMAP_H +#define BRIN_REVMAP_H + +#include "access/brin_tuple.h" +#include "storage/block.h" +#include "storage/buf.h" +#include "storage/itemptr.h" +#include "storage/off.h" +#include "utils/relcache.h" +#include "utils/snapshot.h" + +/* struct definition lives in brin_revmap.c */ +typedef struct BrinRevmap BrinRevmap; + +extern BrinRevmap *brinRevmapInitialize(Relation idxrel, + BlockNumber *pagesPerRange, Snapshot snapshot); +extern void brinRevmapTerminate(BrinRevmap *revmap); + +extern void brinRevmapExtend(BrinRevmap *revmap, + BlockNumber heapBlk); +extern Buffer brinLockRevmapPageForUpdate(BrinRevmap *revmap, + BlockNumber heapBlk); +extern void brinSetHeapBlockItemptr(Buffer buf, BlockNumber pagesPerRange, + BlockNumber heapBlk, ItemPointerData tid); +extern BrinTuple *brinGetTupleForHeapBlock(BrinRevmap *revmap, + BlockNumber heapBlk, Buffer *buf, OffsetNumber *off, + Size *size, int mode, Snapshot snapshot); +extern bool brinRevmapDesummarizeRange(Relation idxrel, BlockNumber heapBlk); + +#endif /* BRIN_REVMAP_H */ |