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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* visibilitymap.h
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* visibility map interface
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*
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*
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* Portions Copyright (c) 2007-2014, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/access/visibilitymap.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef VISIBILITYMAP_H
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#define VISIBILITYMAP_H
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#include "access/xlogdefs.h"
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#include "storage/block.h"
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#include "storage/buf.h"
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#include "utils/relcache.h"
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extern void visibilitymap_clear(Relation rel, BlockNumber heapBlk,
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Buffer vmbuf);
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extern void visibilitymap_pin(Relation rel, BlockNumber heapBlk,
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Buffer *vmbuf);
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extern bool visibilitymap_pin_ok(BlockNumber heapBlk, Buffer vmbuf);
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extern void visibilitymap_set(Relation rel, BlockNumber heapBlk, Buffer heapBuf,
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XLogRecPtr recptr, Buffer vmBuf, TransactionId cutoff_xid);
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extern bool visibilitymap_test(Relation rel, BlockNumber heapBlk, Buffer *vmbuf);
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extern BlockNumber visibilitymap_count(Relation rel);
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extern void visibilitymap_truncate(Relation rel, BlockNumber nheapblocks);
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#endif /* VISIBILITYMAP_H */
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