File Manager

Hackfut Security File Manager

Current Path: /opt/alt/postgresql11/usr/include/pgsql/server/utils

opt / alt / postgresql11 / usr / include / pgsql / server / utils /

📁 ..
📄 acl.h(12.79 KB)
📄 array.h(10.61 KB)
📄 ascii.h(579 B)
📄 attoptcache.h(725 B)
📄 builtins.h(47.77 KB)
📄 bytea.h(1.58 KB)
📄 cash.h(2.07 KB)
📄 catcache.h(7.51 KB)
📄 combocid.h(698 B)
📄 date.h(7.73 KB)
📄 datetime.h(9.92 KB)
📄 datum.h(1.48 KB)
📄 dynahash.h(498 B)
📄 dynamic_loader.h(648 B)
📄 elog.h(12.56 KB)
📄 errcodes.h(19.61 KB)
📄 fmgroids.h(61.09 KB)
📄 fmgrtab.h(1.15 KB)
📄 formatting.h(1.41 KB)
📄 geo_decls.h(15.86 KB)
📄 guc.h(13.19 KB)
📄 guc_tables.h(7.15 KB)
📄 help_config.h(432 B)
📄 hsearch.h(5.51 KB)
📄 inet.h(2.66 KB)
📄 int8.h(4.03 KB)
📄 inval.h(1.81 KB)
📄 json.h(916 B)
📄 logtape.h(1.5 KB)
📄 lsyscache.h(6.51 KB)
📄 memutils.h(5.2 KB)
📄 nabstime.h(5.79 KB)
📄 numeric.h(1.88 KB)
📄 palloc.h(3.92 KB)
📄 pg_crc.h(4.36 KB)
📄 pg_crc_tables.h(19.73 KB)
📄 pg_locale.h(2.59 KB)
📄 pg_lzcompress.h(2.97 KB)
📄 pg_rusage.h(847 B)
📄 plancache.h(8.02 KB)
📄 portal.h(9.22 KB)
📄 probes.h(37.93 KB)
📄 ps_status.h(668 B)
📄 rangetypes.h(7.4 KB)
📄 rbtree.h(2.26 KB)
📄 rel.h(12.27 KB)
📄 relcache.h(3.17 KB)
📄 relmapper.h(1.68 KB)
📄 reltrigger.h(1.95 KB)
📄 resowner.h(5.07 KB)
📄 selfuncs.h(7.5 KB)
📄 snapmgr.h(1.59 KB)
📄 snapshot.h(2.59 KB)
📄 sortsupport.h(5.3 KB)
📄 spccache.h(556 B)
📄 syscache.h(5.51 KB)
📄 timestamp.h(9.5 KB)
📄 tqual.h(3.5 KB)
📄 tuplesort.h(4.62 KB)
📄 tuplestore.h(3.14 KB)
📄 typcache.h(4.26 KB)
📄 tzparser.h(1.13 KB)
📄 uuid.h(861 B)
📄 varbit.h(4.27 KB)
📄 xml.h(3.89 KB)

Editing: tqual.h

/*-------------------------------------------------------------------------
 *
 * tqual.h
 *	  POSTGRES "time qualification" definitions, ie, tuple visibility rules.
 *
 *	  Should be moved/renamed...    - vadim 07/28/98
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/tqual.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef TQUAL_H
#define TQUAL_H

#include "utils/snapshot.h"

/* Static variables representing various special snapshot semantics */
extern PGDLLIMPORT SnapshotData SnapshotNowData;
extern PGDLLIMPORT SnapshotData SnapshotSelfData;
extern PGDLLIMPORT SnapshotData SnapshotAnyData;
extern PGDLLIMPORT SnapshotData SnapshotToastData;

#define SnapshotNow			(&SnapshotNowData)
#define SnapshotSelf		(&SnapshotSelfData)
#define SnapshotAny			(&SnapshotAnyData)
#define SnapshotToast		(&SnapshotToastData)

/*
 * We don't provide a static SnapshotDirty variable because it would be
 * non-reentrant.  Instead, users of that snapshot type should declare a
 * local variable of type SnapshotData, and initialize it with this macro.
 */
#define InitDirtySnapshot(snapshotdata)  \
	((snapshotdata).satisfies = HeapTupleSatisfiesDirty)

/* This macro encodes the knowledge of which snapshots are MVCC-safe */
#define IsMVCCSnapshot(snapshot)  \
	((snapshot)->satisfies == HeapTupleSatisfiesMVCC)

/*
 * HeapTupleSatisfiesVisibility
 *		True iff heap tuple satisfies a time qual.
 *
 * Notes:
 *	Assumes heap tuple is valid.
 *	Beware of multiple evaluations of snapshot argument.
 *	Hint bits in the HeapTuple's t_infomask may be updated as a side effect;
 *	if so, the indicated buffer is marked dirty.
 */
#define HeapTupleSatisfiesVisibility(tuple, snapshot, buffer) \
	((*(snapshot)->satisfies) ((tuple)->t_data, snapshot, buffer))

/* Result codes for HeapTupleSatisfiesVacuum */
typedef enum
{
	HEAPTUPLE_DEAD,				/* tuple is dead and deletable */
	HEAPTUPLE_LIVE,				/* tuple is live (committed, no deleter) */
	HEAPTUPLE_RECENTLY_DEAD,	/* tuple is dead, but not deletable yet */
	HEAPTUPLE_INSERT_IN_PROGRESS,		/* inserting xact is still in progress */
	HEAPTUPLE_DELETE_IN_PROGRESS	/* deleting xact is still in progress */
} HTSV_Result;

/* These are the "satisfies" test routines for the various snapshot types */
extern bool HeapTupleSatisfiesMVCC(HeapTupleHeader tuple,
					   Snapshot snapshot, Buffer buffer);
extern bool HeapTupleSatisfiesNow(HeapTupleHeader tuple,
					  Snapshot snapshot, Buffer buffer);
extern bool HeapTupleSatisfiesSelf(HeapTupleHeader tuple,
					   Snapshot snapshot, Buffer buffer);
extern bool HeapTupleSatisfiesAny(HeapTupleHeader tuple,
					  Snapshot snapshot, Buffer buffer);
extern bool HeapTupleSatisfiesToast(HeapTupleHeader tuple,
						Snapshot snapshot, Buffer buffer);
extern bool HeapTupleSatisfiesDirty(HeapTupleHeader tuple,
						Snapshot snapshot, Buffer buffer);

/* Special "satisfies" routines with different APIs */
extern HTSU_Result HeapTupleSatisfiesUpdate(HeapTupleHeader tuple,
						 CommandId curcid, Buffer buffer);
extern HTSV_Result HeapTupleSatisfiesVacuum(HeapTupleHeader tuple,
						 TransactionId OldestXmin, Buffer buffer);
extern bool HeapTupleIsSurelyDead(HeapTupleHeader tuple,
					  TransactionId OldestXmin);
extern bool XidInMVCCSnapshot(TransactionId xid, Snapshot snapshot);

extern void HeapTupleSetHintBits(HeapTupleHeader tuple, Buffer buffer,
					 uint16 infomask, TransactionId xid);

#endif   /* TQUAL_H */

Hackfut Security File Manager

Editing: tqual.h

Upload File

Create Folder