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/*-------------------------------------------------------------------------
*
* pg_class.h--
* definition of the system "relation" relation (pg_class)
* along with the relation's initial contents.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_class.h,v 1.3 1996/08/21 04:25:49 scrappy Exp $
*
* NOTES
* ``pg_relation'' is being replaced by ``pg_class''. currently
* we are only changing the name in the catalogs but someday the
* code will be changed too. -cim 2/26/90
* [it finally happens. -ay 11/5/94]
*
* the genbki.sh script reads this file and generates .bki
* information from the DATA() statements.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_RELATION_H
#define PG_RELATION_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 "postgres.h"
#include "utils/nabstime.h"
/* ----------------
* pg_class definition. cpp turns this into
* typedef struct FormData_pg_class
*
* Note: the #if 0, #endif around the BKI_BEGIN.. END block
* below keeps cpp from seeing what is meant for the
* genbki script: pg_relation is now called pg_class, but
* only in the catalogs -cim 2/26/90
* ----------------
*/
/* ----------------
* This structure is actually variable-length (the last attribute is
* a POSTGRES array). Hence, sizeof(FormData_pg_class) does not
* describe the fixed-length or actual size of the structure.
* FormData_pg_class.relacl may not be correctly aligned, either,
* if aclitem and struct varlena don't align together. Hence,
* you MUST use heap_getattr() to get the relacl field.
* ----------------
*/
CATALOG(pg_class) BOOTSTRAP {
NameData relname;
Oid reltype;
Oid relowner;
Oid relam;
int4 relpages;
int4 reltuples;
int4 relexpires; /* really used as a abstime, but fudge it for now*/
int4 relpreserved;/*really used as a reltime, but fudge it for now*/
bool relhasindex;
bool relisshared;
char relkind;
char relarch; /* 'h' = heavy, 'l' = light, 'n' = no archival*/
int2 relnatts;
/* relnatts is the number of user attributes this class has. There
must be exactly this many instances in Class pg_attribute for this
class which have attnum > 0 (= user attribute).
*/
int2 relsmgr;
int28 relkey; /* not used */
oid8 relkeyop; /* not used */
bool relhasrules;
aclitem relacl[1]; /* this is here for the catalog */
} FormData_pg_class;
#define CLASS_TUPLE_SIZE \
(offsetof(FormData_pg_class,relhasrules) + sizeof(bool))
/* ----------------
* Form_pg_class corresponds to a pointer to a tuple with
* the format of pg_class relation.
* ----------------
*/
typedef FormData_pg_class *Form_pg_class;
/* ----------------
* compiler constants for pg_class
* ----------------
*/
/* ----------------
* Natts_pg_class_fixed is used to tell routines that insert new
* pg_class tuples (as opposed to replacing old ones) that there's no
* relacl field.
* ----------------
*/
#define Natts_pg_class_fixed 17
#define Natts_pg_class 18
#define Anum_pg_class_relname 1
#define Anum_pg_class_reltype 2
#define Anum_pg_class_relowner 3
#define Anum_pg_class_relam 4
#define Anum_pg_class_relpages 5
#define Anum_pg_class_reltuples 6
#define Anum_pg_class_relexpires 7
#define Anum_pg_class_relpreserved 8
#define Anum_pg_class_relhasindex 9
#define Anum_pg_class_relisshared 10
#define Anum_pg_class_relkind 11
#define Anum_pg_class_relarch 12
#define Anum_pg_class_relnatts 13
#define Anum_pg_class_relsmgr 14
#define Anum_pg_class_relkey 15
#define Anum_pg_class_relkeyop 16
#define Anum_pg_class_relhasrules 17
#define Anum_pg_class_relacl 18
/* ----------------
* initial contents of pg_class
* ----------------
*/
DATA(insert OID = 71 ( pg_type 71 PGUID 0 0 0 0 0 f f r n 16 0 - - f _null_ ));
DATA(insert OID = 75 ( pg_attribute 75 PGUID 0 0 0 0 0 f f r n 16 0 - - f _null_ ));
DATA(insert OID = 76 ( pg_demon 76 PGUID 0 0 0 0 0 f t r n 4 0 - - f _null_ ));
DATA(insert OID = 80 ( pg_magic 80 PGUID 0 0 0 0 0 f t r n 2 0 - - f _null_ ));
DATA(insert OID = 81 ( pg_proc 81 PGUID 0 0 0 0 0 f f r n 16 0 - - f _null_ ));
DATA(insert OID = 82 ( pg_server 82 PGUID 0 0 0 0 0 f t r n 3 0 - - f _null_ ));
DATA(insert OID = 83 ( pg_class 83 PGUID 0 0 0 0 0 f f r n 18 0 - - f _null_ ));
DATA(insert OID = 86 ( pg_user 86 PGUID 0 0 0 0 0 f t r n 6 0 - - f _null_ ));
DATA(insert OID = 87 ( pg_group 87 PGUID 0 0 0 0 0 f t s n 3 0 - - f _null_ ));
DATA(insert OID = 88 ( pg_database 88 PGUID 0 0 0 0 0 f t r n 3 0 - - f _null_ ));
DATA(insert OID = 89 ( pg_defaults 89 PGUID 0 0 0 0 0 f t r n 2 0 - - f _null_ ));
DATA(insert OID = 90 ( pg_variable 90 PGUID 0 0 0 0 0 f t s n 2 0 - - f _null_ ));
DATA(insert OID = 99 ( pg_log 99 PGUID 0 0 0 0 0 f t s n 1 0 - - f _null_ ));
DATA(insert OID = 100 ( pg_time 100 PGUID 0 0 0 0 0 f t s n 1 0 - - f _null_ ));
DATA(insert OID = 101 ( pg_hosts 101 PGUID 0 0 0 0 0 f t s n 3 0 - - f _null_ ));
#define RelOid_pg_type 71
#define RelOid_pg_demon 76
#define RelOid_pg_attribute 75
#define RelOid_pg_magic 80
#define RelOid_pg_proc 81
#define RelOid_pg_server 82
#define RelOid_pg_class 83
#define RelOid_pg_user 86
#define RelOid_pg_group 87
#define RelOid_pg_database 88
#define RelOid_pg_defaults 89
#define RelOid_pg_variable 90
#define RelOid_pg_log 99
#define RelOid_pg_time 100
#define RelOid_pg_hosts 101
#define MAX_SYSTEM_RELOID 101
#define RELKIND_INDEX 'i' /* secondary index */
#define RELKIND_RELATION 'r' /* cataloged heap */
#define RELKIND_SPECIAL 's' /* special (non-heap) */
#define RELKIND_UNCATALOGED 'u' /* temporary heap */
#endif /* PG_RELATION_H */
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