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Viewing changes to src/include/commands/sequence.h

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2011-05-11 10:41:53 UTC
  • Revision ID: james.westby@ubuntu.com-20110511104153-psbh2o58553fv1m0
Tags: upstream-9.1~beta1
Import upstream version 9.1~beta1

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src/include/commands/sequence.h
 
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/*-------------------------------------------------------------------------
 
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 *
 
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 * sequence.h
 
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 *        prototypes for sequence.c.
 
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 *
 
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 * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
 
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 * Portions Copyright (c) 1994, Regents of the University of California
 
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 *
 
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 * src/include/commands/sequence.h
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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#ifndef SEQUENCE_H
 
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#define SEQUENCE_H
 
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#include "nodes/parsenodes.h"
 
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#include "storage/relfilenode.h"
 
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#include "access/xlog.h"
 
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#include "fmgr.h"
 
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typedef struct FormData_pg_sequence
 
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{
 
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        NameData        sequence_name;
 
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        int64           last_value;
 
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        int64           start_value;
 
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        int64           increment_by;
 
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        int64           max_value;
 
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        int64           min_value;
 
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        int64           cache_value;
 
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        int64           log_cnt;
 
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        bool            is_cycled;
 
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        bool            is_called;
 
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} FormData_pg_sequence;
 
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typedef FormData_pg_sequence *Form_pg_sequence;
 
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/*
 
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 * Columns of a sequence relation
 
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 */
 
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#define SEQ_COL_NAME                    1
 
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#define SEQ_COL_LASTVAL                 2
 
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#define SEQ_COL_STARTVAL                3
 
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#define SEQ_COL_INCBY                   4
 
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#define SEQ_COL_MAXVALUE                5
 
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#define SEQ_COL_MINVALUE                6
 
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#define SEQ_COL_CACHE                   7
 
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#define SEQ_COL_LOG                             8
 
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#define SEQ_COL_CYCLE                   9
 
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#define SEQ_COL_CALLED                  10
 
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#define SEQ_COL_FIRSTCOL                SEQ_COL_NAME
 
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#define SEQ_COL_LASTCOL                 SEQ_COL_CALLED
 
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/* XLOG stuff */
 
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#define XLOG_SEQ_LOG                    0x00
 
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typedef struct xl_seq_rec
 
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{
 
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        RelFileNode node;
 
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        /* SEQUENCE TUPLE DATA FOLLOWS AT THE END */
 
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} xl_seq_rec;
 
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extern Datum nextval(PG_FUNCTION_ARGS);
 
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extern Datum nextval_oid(PG_FUNCTION_ARGS);
 
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extern Datum currval_oid(PG_FUNCTION_ARGS);
 
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extern Datum setval_oid(PG_FUNCTION_ARGS);
 
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extern Datum setval3_oid(PG_FUNCTION_ARGS);
 
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extern Datum lastval(PG_FUNCTION_ARGS);
 
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extern Datum pg_sequence_parameters(PG_FUNCTION_ARGS);
 
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extern void DefineSequence(CreateSeqStmt *stmt);
 
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extern void AlterSequence(AlterSeqStmt *stmt);
 
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extern void ResetSequence(Oid seq_relid);
 
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extern void seq_redo(XLogRecPtr lsn, XLogRecord *rptr);
 
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extern void seq_desc(StringInfo buf, uint8 xl_info, char *rec);
 
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#endif   /* SEQUENCE_H */