From 6eb9c5a5657d1fe77b55cc261450f3538d35a94d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:19:15 +0200 Subject: Adding upstream version 13.4. Signed-off-by: Daniel Baumann --- src/include/access/xloginsert.h | 64 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/include/access/xloginsert.h (limited to 'src/include/access/xloginsert.h') diff --git a/src/include/access/xloginsert.h b/src/include/access/xloginsert.h new file mode 100644 index 0000000..63df25a --- /dev/null +++ b/src/include/access/xloginsert.h @@ -0,0 +1,64 @@ +/* + * xloginsert.h + * + * Functions for generating WAL records + * + * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/access/xloginsert.h + */ +#ifndef XLOGINSERT_H +#define XLOGINSERT_H + +#include "access/rmgr.h" +#include "access/xlogdefs.h" +#include "storage/block.h" +#include "storage/buf.h" +#include "storage/relfilenode.h" +#include "utils/relcache.h" + +/* + * The minimum size of the WAL construction working area. If you need to + * register more than XLR_NORMAL_MAX_BLOCK_ID block references or have more + * than XLR_NORMAL_RDATAS data chunks in a single WAL record, you must call + * XLogEnsureRecordSpace() first to allocate more working memory. + */ +#define XLR_NORMAL_MAX_BLOCK_ID 4 +#define XLR_NORMAL_RDATAS 20 + +/* flags for XLogRegisterBuffer */ +#define REGBUF_FORCE_IMAGE 0x01 /* force a full-page image */ +#define REGBUF_NO_IMAGE 0x02 /* don't take a full-page image */ +#define REGBUF_WILL_INIT (0x04 | 0x02) /* page will be re-initialized at + * replay (implies NO_IMAGE) */ +#define REGBUF_STANDARD 0x08 /* page follows "standard" page layout, + * (data between pd_lower and pd_upper + * will be skipped) */ +#define REGBUF_KEEP_DATA 0x10 /* include data even if a full-page image + * is taken */ + +/* prototypes for public functions in xloginsert.c: */ +extern void XLogBeginInsert(void); +extern void XLogSetRecordFlags(uint8 flags); +extern XLogRecPtr XLogInsert(RmgrId rmid, uint8 info); +extern void XLogEnsureRecordSpace(int max_block_id, int ndatas); +extern void XLogRegisterData(char *data, int len); +extern void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags); +extern void XLogRegisterBlock(uint8 block_id, RelFileNode *rnode, + ForkNumber forknum, BlockNumber blknum, char *page, + uint8 flags); +extern void XLogRegisterBufData(uint8 block_id, char *data, int len); +extern void XLogResetInsertion(void); +extern bool XLogCheckBufferNeedsBackup(Buffer buffer); + +extern XLogRecPtr log_newpage(RelFileNode *rnode, ForkNumber forkNum, + BlockNumber blk, char *page, bool page_std); +extern XLogRecPtr log_newpage_buffer(Buffer buffer, bool page_std); +extern void log_newpage_range(Relation rel, ForkNumber forkNum, + BlockNumber startblk, BlockNumber endblk, bool page_std); +extern XLogRecPtr XLogSaveBufferForHint(Buffer buffer, bool buffer_std); + +extern void InitXLogInsert(void); + +#endif /* XLOGINSERT_H */ -- cgit v1.2.3