1 files changed, 66 insertions, 0 deletions
diff --git a/src/include/access/xloginsert.h b/src/include/access/xloginsert.h
new file mode 100644
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+++ b/src/include/access/xloginsert.h
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+/*
+ * xloginsert.h
+ *
+ * Functions for generating WAL records
+ *
+ * Portions Copyright (c) 1996-2021, 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 void log_newpages(RelFileNode *rnode, ForkNumber forkNum, int num_pages,
+						 BlockNumber *blknos, char **pages, 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 */