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Viewing changes to src/include/catalog/pg_am.h

  • Committer: alvherre
  • Date: 2005-12-16 21:24:52 UTC
  • Revision ID: svn-v4:db760fc0-0f08-0410-9d63-cc6633f64896:trunk:1
Initial import of the REL8_0_3 sources from the Pgsql CVS repository.

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src/include/catalog/pg_am.h
 
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/*-------------------------------------------------------------------------
 
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 *
 
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 * pg_am.h
 
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 *        definition of the system "am" relation (pg_am)
 
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 *        along with the relation's initial contents.
 
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 *
 
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 *
 
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 * Portions Copyright (c) 1996-2005, 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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 * $PostgreSQL: pgsql/src/include/catalog/pg_am.h,v 1.31 2004-12-31 22:03:24 pgsql Exp $
 
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 *
 
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 * NOTES
 
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 *              the genbki.sh script reads this file and generates .bki
 
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 *              information from the DATA() statements.
 
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 *
 
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 *              XXX do NOT break up DATA() statements into multiple lines!
 
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 *                      the scripts are not as smart as you might think...
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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#ifndef PG_AM_H
 
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#define PG_AM_H
 
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/* ----------------
 
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 *              postgres.h contains the system type definitions and the
 
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 *              CATALOG(), BOOTSTRAP and DATA() sugar words so this file
 
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 *              can be read by both genbki.sh and the C compiler.
 
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 * ----------------
 
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 */
 
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/* ----------------
 
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 *              pg_am definition.  cpp turns this into
 
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 *              typedef struct FormData_pg_am
 
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 * ----------------
 
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 */
 
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CATALOG(pg_am)
 
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{
 
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        NameData        amname;                 /* access method name */
 
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        int4            amowner;                /* usesysid of creator */
 
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        int2            amstrategies;   /* total NUMBER of strategies (operators)
 
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                                                                 * by which we can traverse/search this AM */
 
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        int2            amsupport;              /* total NUMBER of support functions that
 
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                                                                 * this AM uses */
 
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        int2            amorderstrategy;/* if this AM has a sort order, the
 
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                                                                 * strategy number of the sort operator.
 
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                                                                 * Zero if AM is not ordered. */
 
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        bool            amcanunique;    /* does AM support UNIQUE indexes? */
 
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        bool            amcanmulticol;  /* does AM support multi-column indexes? */
 
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        bool            amindexnulls;   /* does AM support NULL index entries? */
 
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        bool            amconcurrent;   /* does AM support concurrent updates? */
 
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        regproc         amgettuple;             /* "next valid tuple" function */
 
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        regproc         aminsert;               /* "insert this tuple" function */
 
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        regproc         ambeginscan;    /* "start new scan" function */
 
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        regproc         amrescan;               /* "restart this scan" function */
 
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        regproc         amendscan;              /* "end this scan" function */
 
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        regproc         ammarkpos;              /* "mark current scan position" function */
 
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        regproc         amrestrpos;             /* "restore marked scan position" function */
 
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        regproc         ambuild;                /* "build new index" function */
 
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        regproc         ambulkdelete;   /* bulk-delete function */
 
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        regproc         amvacuumcleanup;        /* post-VACUUM cleanup function */
 
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        regproc         amcostestimate; /* estimate cost of an indexscan */
 
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} FormData_pg_am;
 
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/* ----------------
 
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 *              Form_pg_am corresponds to a pointer to a tuple with
 
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 *              the format of pg_am relation.
 
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 * ----------------
 
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 */
 
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typedef FormData_pg_am *Form_pg_am;
 
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/* ----------------
 
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 *              compiler constants for pg_am
 
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 * ----------------
 
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 */
 
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#define Natts_pg_am                                             20
 
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#define Anum_pg_am_amname                               1
 
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#define Anum_pg_am_amowner                              2
 
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#define Anum_pg_am_amstrategies                 3
 
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#define Anum_pg_am_amsupport                    4
 
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#define Anum_pg_am_amorderstrategy              5
 
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#define Anum_pg_am_amcanunique                  6
 
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#define Anum_pg_am_amcanmulticol                7
 
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#define Anum_pg_am_amindexnulls                 8
 
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#define Anum_pg_am_amconcurrent                 9
 
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#define Anum_pg_am_amgettuple                   10
 
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#define Anum_pg_am_aminsert                             11
 
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#define Anum_pg_am_ambeginscan                  12
 
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#define Anum_pg_am_amrescan                             13
 
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#define Anum_pg_am_amendscan                    14
 
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#define Anum_pg_am_ammarkpos                    15
 
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#define Anum_pg_am_amrestrpos                   16
 
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#define Anum_pg_am_ambuild                              17
 
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#define Anum_pg_am_ambulkdelete                 18
 
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#define Anum_pg_am_amvacuumcleanup              19
 
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#define Anum_pg_am_amcostestimate               20
 
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/* ----------------
 
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 *              initial contents of pg_am
 
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 * ----------------
 
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 */
 
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DATA(insert OID = 402 (  rtree  PGUID   8 3 0 f f f f rtgettuple rtinsert rtbeginscan rtrescan rtendscan rtmarkpos rtrestrpos rtbuild rtbulkdelete - rtcostestimate ));
 
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DESCR("r-tree index access method");
 
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DATA(insert OID = 403 (  btree  PGUID   5 1 1 t t t t btgettuple btinsert btbeginscan btrescan btendscan btmarkpos btrestrpos btbuild btbulkdelete btvacuumcleanup btcostestimate ));
 
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DESCR("b-tree index access method");
 
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#define BTREE_AM_OID 403
 
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DATA(insert OID = 405 (  hash   PGUID   1 1 0 f f f t hashgettuple hashinsert hashbeginscan hashrescan hashendscan hashmarkpos hashrestrpos hashbuild hashbulkdelete - hashcostestimate ));
 
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DESCR("hash index access method");
 
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#define HASH_AM_OID 405
 
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DATA(insert OID = 783 (  gist   PGUID 100 7 0 f t f f gistgettuple gistinsert gistbeginscan gistrescan gistendscan gistmarkpos gistrestrpos gistbuild gistbulkdelete - gistcostestimate ));
 
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DESCR("GiST index access method");
 
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#define GIST_AM_OID 783
 
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#endif   /* PG_AM_H */