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/*-------------------------------------------------------------------------
*
* sequence.h
* prototypes for sequence.c.
*
*
*-------------------------------------------------------------------------
*/
#ifndef SEQUENCE_H
#define SEQUENCE_H
#include "nodes/parsenodes.h"
/*
* Columns of a sequnece relation
*/
#define SEQ_COL_NAME 1
#define SEQ_COL_LASTVAL 2
#define SEQ_COL_INCBY 3
#define SEQ_COL_MAXVALUE 4
#define SEQ_COL_MINVALUE 5
#define SEQ_COL_CACHE 6
#define SEQ_COL_CYCLE 7
#define SEQ_COL_CALLED 8
#define SEQ_COL_FIRSTCOL SEQ_COL_NAME
#define SEQ_COL_LASTCOL SEQ_COL_CALLED
extern void DefineSequence(CreateSeqStmt *stmt);
extern int4 nextval(struct varlena * seqname);
extern int4 currval(struct varlena * seqname);
extern int4 setval(struct varlena * seqname, int4 next);
extern void CloseSequences(void);
#endif /* SEQUENCE_H */
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