| /*------------------------------------------------------------------------- |
| * |
| * datapagemap.h |
| * |
| * Copyright (c) 2013-2021, PostgreSQL Global Development Group |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef DATAPAGEMAP_H |
| #define DATAPAGEMAP_H |
| |
| #include "storage/block.h" |
| #include "storage/relfilenode.h" |
| |
| struct datapagemap |
| { |
| char *bitmap; |
| int bitmapsize; |
| }; |
| |
| typedef struct datapagemap datapagemap_t; |
| typedef struct datapagemap_iterator datapagemap_iterator_t; |
| |
| extern void datapagemap_add(datapagemap_t *map, BlockNumber blkno); |
| extern datapagemap_iterator_t *datapagemap_iterate(datapagemap_t *map); |
| extern bool datapagemap_next(datapagemap_iterator_t *iter, BlockNumber *blkno); |
| extern void datapagemap_print(datapagemap_t *map); |
| |
| #endif /* DATAPAGEMAP_H */ |
