sequence.h
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- /*-------------------------------------------------------------------------
- *
- * 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 */