* along with the relation's initial contents.
*
*
- * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/pg_am.h,v 1.39 2005/11/07 17:36:46 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!
#ifndef PG_AM_H
#define PG_AM_H
-/* ----------------
- * postgres.h contains the system type definitions and the
- * CATALOG(), BKI_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
CATALOG(pg_am,2601)
{
NameData amname; /* access method name */
- int2 amstrategies; /* total NUMBER of strategies (operators) by
- * which we can traverse/search this AM */
- int2 amsupport; /* total NUMBER of support functions that this
+ 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 */
- int2 amorderstrategy;/* if this AM has a sort order, the strategy
- * number of the sort operator. Zero if AM is
- * not ordered. */
+ 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 amindexnulls; /* does AM support NULL index entries? */
- bool amconcurrent; /* does AM support concurrent updates? */
+ 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 ambeginscan; /* "start new scan" function */
- regproc amgettuple; /* "next valid tuple" function */
- regproc amgetmulti; /* "fetch multiple tuples" 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 ambuild; /* "build new index" function */
+ 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;
/* ----------------
* compiler constants for pg_am
* ----------------
*/
-#define Natts_pg_am 21
+#define Natts_pg_am 30
#define Anum_pg_am_amname 1
#define Anum_pg_am_amstrategies 2
#define Anum_pg_am_amsupport 3
-#define Anum_pg_am_amorderstrategy 4
-#define Anum_pg_am_amcanunique 5
-#define Anum_pg_am_amcanmulticol 6
-#define Anum_pg_am_amoptionalkey 7
-#define Anum_pg_am_amindexnulls 8
-#define Anum_pg_am_amconcurrent 9
-#define Anum_pg_am_aminsert 10
-#define Anum_pg_am_ambeginscan 11
-#define Anum_pg_am_amgettuple 12
-#define Anum_pg_am_amgetmulti 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_ambuild 18
-#define Anum_pg_am_ambulkdelete 19
-#define Anum_pg_am_amvacuumcleanup 20
-#define Anum_pg_am_amcostestimate 21
+#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 = 403 ( btree 5 1 1 t t t t t btinsert btbeginscan btgettuple btgetmulti btrescan btendscan btmarkpos btrestrpos btbuild btbulkdelete btvacuumcleanup btcostestimate ));
+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 1 1 0 f f f f t hashinsert hashbeginscan hashgettuple hashgetmulti hashrescan hashendscan hashmarkpos hashrestrpos hashbuild hashbulkdelete - hashcostestimate ));
+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 100 7 0 f t f f t gistinsert gistbeginscan gistgettuple gistgetmulti gistrescan gistendscan gistmarkpos gistrestrpos gistbuild gistbulkdelete gistvacuumcleanup gistcostestimate ));
+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 */
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