X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=src%2Finclude%2Fcatalog%2Fpg_am.h;h=ddacdf274c49ac7e83b941aa983dbf96214f5812;hb=c6e3ac11b60ac4a8942ab964252d51c1c0bd8845;hp=dfebc0e8c8f46b6f3c3c949d4add0fb0bd77deee;hpb=598ea2c359ef625f472a2a53b870a1baffa45251;p=postgresql diff --git a/src/include/catalog/pg_am.h b/src/include/catalog/pg_am.h index dfebc0e8c8..ddacdf274c 100644 --- a/src/include/catalog/pg_am.h +++ b/src/include/catalog/pg_am.h @@ -1,17 +1,17 @@ /*------------------------------------------------------------------------- * * pg_am.h - * definition of the system "am" relation (pg_am) + * definition of the system "access method" relation (pg_am) * along with the relation's initial contents. * * - * Portions Copyright (c) 1996-2000, PostgreSQL, Inc + * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: pg_am.h,v 1.14 2000/02/17 03:39:47 tgl Exp $ + * src/include/catalog/pg_am.h * * NOTES - * the genbki.sh script reads this file and generates .bki + * the genbki.pl script reads this file and generates .bki * information from the DATA() statements. * * XXX do NOT break up DATA() statements into multiple lines! @@ -22,47 +22,51 @@ #ifndef PG_AM_H #define PG_AM_H -/* ---------------- - * postgres.h contains the system type definintions and the - * CATALOG(), BOOTSTRAP and DATA() sugar words so this file - * can be read by both genbki.sh and the C compiler. - * ---------------- - */ +#include "catalog/genbki.h" /* ---------------- * pg_am definition. cpp turns this into * typedef struct FormData_pg_am * ---------------- */ -CATALOG(pg_am) +#define AccessMethodRelationId 2601 + +CATALOG(pg_am,2601) { NameData amname; /* access method name */ - int4 amowner; /* usesysid of creator */ - int2 amstrategies; /* total NUMBER of strategies by which - * we can traverse/search this AM */ - int2 amsupport; /* total NUMBER of support functions - * that this AM uses */ - int2 amorderstrategy; /* if this AM has a sort order, the - * strategy number of the sort operator. - * Zero if AM is not ordered. */ - regproc amgettuple; /* "next valid tuple" function */ + int2 amstrategies; /* total number of strategies (operators) by + * which we can traverse/search this AM. Zero + * if AM does not have a fixed set of strategy + * assignments. */ + int2 amsupport; /* total number of support functions that this + * AM uses */ + bool amcanorder; /* does AM support order by column value? */ + bool amcanorderbyop; /* does AM support order by operator result? */ + bool amcanbackward; /* does AM support backward scan? */ + bool amcanunique; /* does AM support UNIQUE indexes? */ + bool amcanmulticol; /* does AM support multi-column indexes? */ + bool amcanreturn; /* can AM return IndexTuples? */ + bool amoptionalkey; /* can query omit key for the first column? */ + bool amsearcharray; /* can AM handle ScalarArrayOpExpr quals? */ + bool amsearchnulls; /* can AM search for NULL/NOT NULL entries? */ + bool amstorage; /* can storage type differ from column type? */ + bool amclusterable; /* does AM support cluster command? */ + bool ampredlocks; /* does AM handle predicate locks? */ + Oid amkeytype; /* type of data in index, or InvalidOid */ regproc aminsert; /* "insert this tuple" function */ - regproc amdelete; /* "delete this tuple" function */ - regproc amgetattr; /* - deprecated */ - regproc amsetlock; /* - deprecated */ - regproc amsettid; /* - deprecated */ - regproc amfreetuple; /* - deprecated */ - regproc ambeginscan; /* "start new scan" function */ - regproc amrescan; /* "restart this scan" function */ - regproc amendscan; /* "end this scan" function */ + regproc ambeginscan; /* "prepare for index scan" function */ + regproc amgettuple; /* "next valid tuple" function, or 0 */ + regproc amgetbitmap; /* "fetch all valid tuples" function, or 0 */ + regproc amrescan; /* "(re)start index scan" function */ + regproc amendscan; /* "end index scan" function */ regproc ammarkpos; /* "mark current scan position" function */ regproc amrestrpos; /* "restore marked scan position" function */ - regproc amopen; /* - deprecated */ - regproc amclose; /* - deprecated */ regproc ambuild; /* "build new index" function */ - regproc amcreate; /* - deprecated */ - regproc amdestroy; /* - deprecated */ - regproc amcostestimate; /* estimate cost of an indexscan */ + regproc ambuildempty; /* "build empty index" function */ + regproc ambulkdelete; /* bulk-delete function */ + regproc amvacuumcleanup; /* post-VACUUM cleanup function */ + regproc amcostestimate; /* estimate cost of an indexscan */ + regproc amoptions; /* parse AM-specific parameters */ } FormData_pg_am; /* ---------------- @@ -76,45 +80,54 @@ typedef FormData_pg_am *Form_pg_am; * compiler constants for pg_am * ---------------- */ -#define Natts_pg_am 23 +#define Natts_pg_am 30 #define Anum_pg_am_amname 1 -#define Anum_pg_am_amowner 2 -#define Anum_pg_am_amstrategies 3 -#define Anum_pg_am_amsupport 4 -#define Anum_pg_am_amorderstrategy 5 -#define Anum_pg_am_amgettuple 6 -#define Anum_pg_am_aminsert 7 -#define Anum_pg_am_amdelete 8 -#define Anum_pg_am_amgetattr 9 -#define Anum_pg_am_amsetlock 10 -#define Anum_pg_am_amsettid 11 -#define Anum_pg_am_amfreetuple 12 -#define Anum_pg_am_ambeginscan 13 -#define Anum_pg_am_amrescan 14 -#define Anum_pg_am_amendscan 15 -#define Anum_pg_am_ammarkpos 16 -#define Anum_pg_am_amrestrpos 17 -#define Anum_pg_am_amopen 18 -#define Anum_pg_am_amclose 19 -#define Anum_pg_am_ambuild 20 -#define Anum_pg_am_amcreate 21 -#define Anum_pg_am_amdestroy 22 -#define Anum_pg_am_amcostestimate 23 +#define Anum_pg_am_amstrategies 2 +#define Anum_pg_am_amsupport 3 +#define Anum_pg_am_amcanorder 4 +#define Anum_pg_am_amcanorderbyop 5 +#define Anum_pg_am_amcanbackward 6 +#define Anum_pg_am_amcanunique 7 +#define Anum_pg_am_amcanmulticol 8 +#define Anum_pg_am_amcanreturn 9 +#define Anum_pg_am_amoptionalkey 10 +#define Anum_pg_am_amsearcharray 11 +#define Anum_pg_am_amsearchnulls 12 +#define Anum_pg_am_amstorage 13 +#define Anum_pg_am_amclusterable 14 +#define Anum_pg_am_ampredlocks 15 +#define Anum_pg_am_amkeytype 16 +#define Anum_pg_am_aminsert 17 +#define Anum_pg_am_ambeginscan 18 +#define Anum_pg_am_amgettuple 19 +#define Anum_pg_am_amgetbitmap 20 +#define Anum_pg_am_amrescan 21 +#define Anum_pg_am_amendscan 22 +#define Anum_pg_am_ammarkpos 23 +#define Anum_pg_am_amrestrpos 24 +#define Anum_pg_am_ambuild 25 +#define Anum_pg_am_ambuildempty 26 +#define Anum_pg_am_ambulkdelete 27 +#define Anum_pg_am_amvacuumcleanup 28 +#define Anum_pg_am_amcostestimate 29 +#define Anum_pg_am_amoptions 30 /* ---------------- * initial contents of pg_am * ---------------- */ -DATA(insert OID = 402 ( rtree PGUID 8 3 0 rtgettuple rtinsert rtdelete - - - - rtbeginscan rtrescan rtendscan rtmarkpos rtrestrpos - - rtbuild - - rtcostestimate )); -DESCR(""); -DATA(insert OID = 403 ( btree PGUID 5 1 1 btgettuple btinsert btdelete - - - - btbeginscan btrescan btendscan btmarkpos btrestrpos - - btbuild - - btcostestimate )); -DESCR(""); +DATA(insert OID = 403 ( btree 5 2 t f t t t t t t t f t t 0 btinsert btbeginscan btgettuple btgetbitmap btrescan btendscan btmarkpos btrestrpos btbuild btbuildempty btbulkdelete btvacuumcleanup btcostestimate btoptions )); +DESCR("b-tree index access method"); #define BTREE_AM_OID 403 -DATA(insert OID = 405 ( hash PGUID 1 1 0 hashgettuple hashinsert hashdelete - - - - hashbeginscan hashrescan hashendscan hashmarkpos hashrestrpos - - hashbuild - - hashcostestimate )); -DESCR(""); +DATA(insert OID = 405 ( hash 1 1 f f t f f f f f f f f f 23 hashinsert hashbeginscan hashgettuple hashgetbitmap hashrescan hashendscan hashmarkpos hashrestrpos hashbuild hashbuildempty hashbulkdelete hashvacuumcleanup hashcostestimate hashoptions )); +DESCR("hash index access method"); #define HASH_AM_OID 405 -DATA(insert OID = 783 ( gist PGUID 100 7 0 gistgettuple gistinsert gistdelete - - - - gistbeginscan gistrescan gistendscan gistmarkpos gistrestrpos - - gistbuild - - gistcostestimate )); -DESCR(""); +DATA(insert OID = 783 ( gist 0 8 f t f f t f t f t t t f 0 gistinsert gistbeginscan gistgettuple gistgetbitmap gistrescan gistendscan gistmarkpos gistrestrpos gistbuild gistbuildempty gistbulkdelete gistvacuumcleanup gistcostestimate gistoptions )); +DESCR("GiST index access method"); +#define GIST_AM_OID 783 +DATA(insert OID = 2742 ( gin 0 5 f f f f t f t f f t f f 0 gininsert ginbeginscan - gingetbitmap ginrescan ginendscan ginmarkpos ginrestrpos ginbuild ginbuildempty ginbulkdelete ginvacuumcleanup gincostestimate ginoptions )); +DESCR("GIN index access method"); +#define GIN_AM_OID 2742 -#endif /* PG_AM_H */ +#endif /* PG_AM_H */