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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 1.26 1998/12/15 12:46:50 vadim 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.
* ----------------
*/
/* ----------------
* 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;
int4 relowner;
Oid relam;
int4 relpages;
int4 reltuples;
bool relhasindex;
bool relisshared;
char relkind;
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 relchecks; /* # of CHECK constraints, not stored in
* db? */
int2 reltriggers; /* # of TRIGGERs */
int2 relukeys; /* # of Unique keys */
int2 relfkeys; /* # of FOREIGN KEYs */
int2 relrefs; /* # of references to this relation */
bool relhaspkey; /* has PRIMARY KEY */
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_relhasindex 7
#define Anum_pg_class_relisshared 8
#define Anum_pg_class_relkind 9
#define Anum_pg_class_relnatts 10
#define Anum_pg_class_relchecks 11
#define Anum_pg_class_reltriggers 12
#define Anum_pg_class_relukeys 13
#define Anum_pg_class_relfkeys 14
#define Anum_pg_class_relrefs 15
#define Anum_pg_class_relhaspkey 16
#define Anum_pg_class_relhasrules 17
#define Anum_pg_class_relacl 18
/* ----------------
* initial contents of pg_class
* ----------------
*/
DATA(insert OID = 1247 ( pg_type 71 PGUID 0 0 0 f f r 16 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1249 ( pg_attribute 75 PGUID 0 0 0 f f r 14 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1255 ( pg_proc 81 PGUID 0 0 0 f f r 16 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1259 ( pg_class 83 PGUID 0 0 0 f f r 18 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1260 ( pg_shadow 86 PGUID 0 0 0 f t r 8 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1261 ( pg_group 87 PGUID 0 0 0 f t s 3 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1262 ( pg_database 88 PGUID 0 0 0 f t r 4 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1264 ( pg_variable 90 PGUID 0 0 0 f t s 2 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1269 ( pg_log 99 PGUID 0 0 0 f t s 1 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 376 ( pg_xactlock 0 PGUID 0 0 0 f t s 1 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1215 ( pg_attrdef 109 PGUID 0 0 0 t t r 4 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1216 ( pg_relcheck 110 PGUID 0 0 0 t t r 4 0 0 0 0 0 f f _null_ ));
DESCR("");
DATA(insert OID = 1219 ( pg_trigger 111 PGUID 0 0 0 t t r 7 0 0 0 0 0 f f _null_ ));
DESCR("");
#define RelOid_pg_type 1247
#define RelOid_pg_attribute 1249
#define RelOid_pg_proc 1255
#define RelOid_pg_class 1259
#define RelOid_pg_shadow 1260
#define RelOid_pg_group 1261
#define RelOid_pg_database 1262
#define RelOid_pg_variable 1264
#define RelOid_pg_log 1269
#define RelOid_pg_attrdef 1215
#define RelOid_pg_relcheck 1216
#define RelOid_pg_trigger 1219
/* Xact lock pseudo-table */
#define XactLockTableId 376
#define RELKIND_INDEX 'i' /* secondary index */
#define RELKIND_LOBJECT 'l' /* large objects */
#define RELKIND_RELATION 'r' /* cataloged heap */
#define RELKIND_SPECIAL 's' /* special (non-heap) */
#define RELKIND_SEQUENCE 'S' /* SEQUENCE relation */
#define RELKIND_UNCATALOGED 'u' /* temporary heap */
#endif /* PG_RELATION_H */
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