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/*-------------------------------------------------------------------------
*
* sequence_xlog.h
* Sequence WAL definitions.
*
* Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/commands/sequence_xlog.h
*
*-------------------------------------------------------------------------
*/
#ifndef SEQUENCE_XLOG_H
#define SEQUENCE_XLOG_H
#include "access/xlogreader.h"
#include "lib/stringinfo.h"
/* Record identifier */
#define XLOG_SEQ_LOG 0x00
/*
* The "special area" of a sequence's buffer page looks like this.
*/
#define SEQ_MAGIC 0x1717
typedef struct sequence_magic
{
uint32 magic;
} sequence_magic;
/* Sequence WAL record */
typedef struct xl_seq_rec
{
RelFileLocator locator;
/* SEQUENCE TUPLE DATA FOLLOWS AT THE END */
} xl_seq_rec;
extern void seq_redo(XLogReaderState *record);
extern void seq_desc(StringInfo buf, XLogReaderState *record);
extern const char *seq_identify(uint8 info);
extern void seq_mask(char *page, BlockNumber blkno);
#endif /* SEQUENCE_XLOG_H */
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