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📁 ..
📄 amapi.h(6.3 KB)
📄 amvalidate.h(1.19 KB)
📄 attnum.h(1.52 KB)
📄 brin.h(948 B)
📄 brin_internal.h(3.3 KB)
📄 brin_page.h(2.68 KB)
📄 brin_pageops.h(1.28 KB)
📄 brin_revmap.h(1.23 KB)
📄 brin_tuple.h(3.05 KB)
📄 brin_xlog.h(3.28 KB)
📄 clog.h(1.54 KB)
📄 commit_ts.h(2.09 KB)
📄 genam.h(7.31 KB)
📄 generic_xlog.h(1.42 KB)
📄 gin.h(2.3 KB)
📄 gin_private.h(33.12 KB)
📄 gist.h(6.51 KB)
📄 gist_private.h(19.82 KB)
📄 gistscan.h(729 B)
📄 hash.h(13.54 KB)
📄 heapam.h(7.76 KB)
📄 heapam_xlog.h(12.61 KB)
📄 hio.h(1.26 KB)
📄 htup.h(3.16 KB)
📄 htup_details.h(28.31 KB)
📄 itup.h(4.36 KB)
📄 multixact.h(5.13 KB)
📄 nbtree.h(30.22 KB)
📄 parallel.h(2.28 KB)
📄 printtup.h(1.03 KB)
📄 reloptions.h(8.88 KB)
📄 relscan.h(5.63 KB)
📄 rewriteheap.h(1.79 KB)
📄 rmgr.h(609 B)
📄 rmgrlist.h(2.97 KB)
📄 sdir.h(1.43 KB)
📄 skey.h(6.26 KB)
📄 slru.h(5.49 KB)
📄 spgist.h(7.04 KB)
📄 spgist_private.h(21.82 KB)
📄 stratnum.h(2.67 KB)
📄 subtrans.h(973 B)
📄 sysattr.h(890 B)
📄 timeline.h(1.59 KB)
📄 transam.h(6.29 KB)
📄 tsmapi.h(2.55 KB)
📄 tupconvert.h(1.4 KB)
📄 tupdesc.h(4.36 KB)
📄 tupmacs.h(7.16 KB)
📄 tuptoaster.h(7.18 KB)
📄 twophase.h(1.82 KB)
📄 twophase_rmgr.h(1.24 KB)
📄 valid.h(1.4 KB)
📄 visibilitymap.h(1.77 KB)
📄 xact.h(12.29 KB)
📄 xlog.h(10.91 KB)
📄 xlog_fn.h(1.41 KB)
📄 xlog_internal.h(10.29 KB)
📄 xlogdefs.h(3.11 KB)
📄 xloginsert.h(2.28 KB)
📄 xlogreader.h(7.11 KB)
📄 xlogrecord.h(7.76 KB)
📄 xlogutils.h(1.76 KB)

Editing: visibilitymap.h

/*-------------------------------------------------------------------------
 *
 * visibilitymap.h
 *		visibility map interface
 *
 *
 * Portions Copyright (c) 2007-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/access/visibilitymap.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef VISIBILITYMAP_H
#define VISIBILITYMAP_H

#include "access/xlogdefs.h"
#include "storage/block.h"
#include "storage/buf.h"
#include "utils/relcache.h"

/* Number of bits for one heap page */
#define BITS_PER_HEAPBLOCK 2

/* Flags for bit map */
#define VISIBILITYMAP_ALL_VISIBLE	0x01
#define VISIBILITYMAP_ALL_FROZEN	0x02
#define VISIBILITYMAP_VALID_BITS	0x03		/* OR of all valid
												 * visibilitymap flags bits */

/* Macros for visibilitymap test */
#define VM_ALL_VISIBLE(r, b, v) \
	((visibilitymap_get_status((r), (b), (v)) & VISIBILITYMAP_ALL_VISIBLE) != 0)
#define VM_ALL_FROZEN(r, b, v) \
	((visibilitymap_get_status((r), (b), (v)) & VISIBILITYMAP_ALL_FROZEN) != 0)

extern bool visibilitymap_clear(Relation rel, BlockNumber heapBlk,
					Buffer vmbuf, uint8 flags);
extern void visibilitymap_pin(Relation rel, BlockNumber heapBlk,
				  Buffer *vmbuf);
extern bool visibilitymap_pin_ok(BlockNumber heapBlk, Buffer vmbuf);
extern void visibilitymap_set(Relation rel, BlockNumber heapBlk, Buffer heapBuf,
				  XLogRecPtr recptr, Buffer vmBuf, TransactionId cutoff_xid,
				  uint8 flags);
extern uint8 visibilitymap_get_status(Relation rel, BlockNumber heapBlk, Buffer *vmbuf);
extern void visibilitymap_count(Relation rel, BlockNumber *all_visible, BlockNumber *all_frozen);
extern void visibilitymap_truncate(Relation rel, BlockNumber nheapblocks);

#endif   /* VISIBILITYMAP_H */

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Editing: visibilitymap.h

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