/*------------------------------------------------------------------------- * * sequence.h * prototypes for sequence.c. * * Portions Copyright (c) 1996-2012, 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/xlog.h" #include "fmgr.h" #include "nodes/parsenodes.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 void DefineSequence(CreateSeqStmt *stmt); extern void AlterSequence(AlterSeqStmt *stmt); extern void ResetSequence(Oid seq_relid); extern void seq_redo(XLogRecPtr lsn, XLogRecord *rptr); extern void seq_desc(StringInfo buf, uint8 xl_info, char *rec); #endif /* SEQUENCE_H */