88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* sequence.h
|
|
* prototypes for sequence.c.
|
|
*
|
|
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* src/include/commands/sequence.h
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef SEQUENCE_H
|
|
#define SEQUENCE_H
|
|
|
|
#include "access/xlogreader.h"
|
|
#include "catalog/objectaddress.h"
|
|
#include "fmgr.h"
|
|
#include "lib/stringinfo.h"
|
|
#include "nodes/parsenodes.h"
|
|
#include "parser/parse_node.h"
|
|
#include "storage/relfilenode.h"
|
|
|
|
|
|
typedef struct FormData_pg_sequence
|
|
{
|
|
NameData sequence_name;
|
|
int64 last_value;
|
|
int64 start_value;
|
|
int64 increment_by;
|
|
int64 max_value;
|
|
int64 min_value;
|
|
int64 cache_value;
|
|
int64 log_cnt;
|
|
bool is_cycled;
|
|
bool is_called;
|
|
} FormData_pg_sequence;
|
|
|
|
typedef FormData_pg_sequence *Form_pg_sequence;
|
|
|
|
/*
|
|
* Columns of a sequence relation
|
|
*/
|
|
|
|
#define SEQ_COL_NAME 1
|
|
#define SEQ_COL_LASTVAL 2
|
|
#define SEQ_COL_STARTVAL 3
|
|
#define SEQ_COL_INCBY 4
|
|
#define SEQ_COL_MAXVALUE 5
|
|
#define SEQ_COL_MINVALUE 6
|
|
#define SEQ_COL_CACHE 7
|
|
#define SEQ_COL_LOG 8
|
|
#define SEQ_COL_CYCLE 9
|
|
#define SEQ_COL_CALLED 10
|
|
|
|
#define SEQ_COL_FIRSTCOL SEQ_COL_NAME
|
|
#define SEQ_COL_LASTCOL SEQ_COL_CALLED
|
|
|
|
/* XLOG stuff */
|
|
#define XLOG_SEQ_LOG 0x00
|
|
|
|
typedef struct xl_seq_rec
|
|
{
|
|
RelFileNode node;
|
|
/* SEQUENCE TUPLE DATA FOLLOWS AT THE END */
|
|
} xl_seq_rec;
|
|
|
|
extern Datum nextval(PG_FUNCTION_ARGS);
|
|
extern Datum nextval_oid(PG_FUNCTION_ARGS);
|
|
extern Datum currval_oid(PG_FUNCTION_ARGS);
|
|
extern Datum setval_oid(PG_FUNCTION_ARGS);
|
|
extern Datum setval3_oid(PG_FUNCTION_ARGS);
|
|
extern Datum lastval(PG_FUNCTION_ARGS);
|
|
|
|
extern Datum pg_sequence_parameters(PG_FUNCTION_ARGS);
|
|
extern Datum pg_sequence_last_value(PG_FUNCTION_ARGS);
|
|
|
|
extern ObjectAddress DefineSequence(ParseState *pstate, CreateSeqStmt *stmt);
|
|
extern ObjectAddress AlterSequence(ParseState *pstate, AlterSeqStmt *stmt);
|
|
extern void ResetSequence(Oid seq_relid);
|
|
extern void ResetSequenceCaches(void);
|
|
|
|
extern void seq_redo(XLogReaderState *rptr);
|
|
extern void seq_desc(StringInfo buf, XLogReaderState *rptr);
|
|
extern const char *seq_identify(uint8 info);
|
|
|
|
#endif /* SEQUENCE_H */
|