1/*-------------------------------------------------------------------------
2 *
3 * hio.h
4 * POSTGRES heap access method input/output definitions.
5 *
6 *
7 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/access/hio.h
11 *
12 *-------------------------------------------------------------------------
13 */
14#ifndef HIO_H
15#define HIO_H
16
17#include "access/htup.h"
18#include "utils/relcache.h"
19#include "storage/buf.h"
20
21
22/*
23 * state for bulk inserts --- private to heapam.c and hio.c
24 *
25 * If current_buf isn't InvalidBuffer, then we are holding an extra pin
26 * on that buffer.
27 *
28 * "typedef struct BulkInsertStateData *BulkInsertState" is in heapam.h
29 */
30typedef struct BulkInsertStateData
31{
32 BufferAccessStrategy strategy; /* our BULKWRITE strategy object */
33 Buffer current_buf; /* current insertion target page */
34} BulkInsertStateData;
35
36
37extern void RelationPutHeapTuple(Relation relation, Buffer buffer,
38 HeapTuple tuple, bool token);
39extern Buffer RelationGetBufferForTuple(Relation relation, Size len,
40 Buffer otherBuffer, int options,
41 BulkInsertStateData *bistate,
42 Buffer *vmbuffer, Buffer *vmbuffer_other);
43
44#endif /* HIO_H */
45