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/*-------------------------------------------------------------------------
*
* pg_class.h
* definition of the system "relation" relation (pg_class)
* along with the relation's initial contents.
*
*
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_class.h
*
* NOTES
* the genbki.pl script reads this file and generates .bki
* information from the DATA() statements.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_CLASS_H
#define PG_CLASS_H
#include "catalog/genbki.h"
/* ----------------
* pg_class definition. cpp turns this into
* typedef struct FormData_pg_class
* ----------------
*/
#define RelationRelationId 1259
#define RelationRelation_Rowtype_Id 83
CATALOG(pg_class,1259) BKI_BOOTSTRAP BKI_ROWTYPE_OID(83) BKI_SCHEMA_MACRO
{
NameData relname; /* class name */
Oid relnamespace; /* OID of namespace containing this class */
Oid reltype; /* OID of entry in pg_type for table's
* implicit row type */
Oid reloftype; /* OID of entry in pg_type for underlying
* composite type */
Oid relowner; /* class owner */
Oid relam; /* index access method; 0 if not an index */
Oid relfilenode; /* identifier of physical storage file */
/* relfilenode == 0 means it is a "mapped" relation, see relmapper.c */
Oid reltablespace; /* identifier of table space for relation */
int32 relpages; /* # of blocks (not always up-to-date) */
float4 reltuples; /* # of tuples (not always up-to-date) */
int32 relallvisible; /* # of all-visible blocks (not always
* up-to-date) */
Oid reltoastrelid; /* OID of toast table; 0 if none */
bool relhasindex; /* T if has (or has had) any indexes */
bool relisshared; /* T if shared across databases */
char relpersistence; /* see RELPERSISTENCE_xxx constants below */
char relkind; /* see RELKIND_xxx constants below */
int16 relnatts; /* number of user attributes */
/*
* Class pg_attribute must contain exactly "relnatts" user attributes
* (with attnums ranging from 1 to relnatts) for this class. It may also
* contain entries with negative attnums for system attributes.
*/
int16 relchecks; /* # of CHECK constraints for class */
bool relhasoids; /* T if we generate OIDs for rows of rel */
bool relhaspkey; /* has (or has had) PRIMARY KEY index */
bool relhasrules; /* has (or has had) any rules */
bool relhastriggers; /* has (or has had) any TRIGGERs */
bool relhassubclass; /* has (or has had) derived classes */
bool relrowsecurity; /* row security is enabled or not */
bool relforcerowsecurity; /* row security forced for owners or not */
bool relispopulated; /* matview currently holds query results */
char relreplident; /* see REPLICA_IDENTITY_xxx constants */
TransactionId relfrozenxid; /* all Xids < this are frozen in this rel */
TransactionId relminmxid; /* all multixacts in this rel are >= this.
* this is really a MultiXactId */
#ifdef CATALOG_VARLEN /* variable-length fields start here */
/* NOTE: These fields are not present in a relcache entry's rd_rel field. */
aclitem relacl[1]; /* access permissions */
text reloptions[1]; /* access-method-specific options */
#endif
} FormData_pg_class;
/* Size of fixed part of pg_class tuples, not counting var-length fields */
#define CLASS_TUPLE_SIZE \
(offsetof(FormData_pg_class,relminmxid) + sizeof(TransactionId))
/* ----------------
* 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
* ----------------
*/
#define Natts_pg_class 31
#define Anum_pg_class_relname 1
#define Anum_pg_class_relnamespace 2
#define Anum_pg_class_reltype 3
#define Anum_pg_class_reloftype 4
#define Anum_pg_class_relowner 5
#define Anum_pg_class_relam 6
#define Anum_pg_class_relfilenode 7
#define Anum_pg_class_reltablespace 8
#define Anum_pg_class_relpages 9
#define Anum_pg_class_reltuples 10
#define Anum_pg_class_relallvisible 11
#define Anum_pg_class_reltoastrelid 12
#define Anum_pg_class_relhasindex 13
#define Anum_pg_class_relisshared 14
#define Anum_pg_class_relpersistence 15
#define Anum_pg_class_relkind 16
#define Anum_pg_class_relnatts 17
#define Anum_pg_class_relchecks 18
#define Anum_pg_class_relhasoids 19
#define Anum_pg_class_relhaspkey 20
#define Anum_pg_class_relhasrules 21
#define Anum_pg_class_relhastriggers 22
#define Anum_pg_class_relhassubclass 23
#define Anum_pg_class_relrowsecurity 24
#define Anum_pg_class_relforcerowsecurity 25
#define Anum_pg_class_relispopulated 26
#define Anum_pg_class_relreplident 27
#define Anum_pg_class_relfrozenxid 28
#define Anum_pg_class_relminmxid 29
#define Anum_pg_class_relacl 30
#define Anum_pg_class_reloptions 31
/* ----------------
* initial contents of pg_class
*
* NOTE: only "bootstrapped" relations need to be declared here. Be sure that
* the OIDs listed here match those given in their CATALOG macros, and that
* the relnatts values are correct.
* ----------------
*/
/*
* Note: "3" in the relfrozenxid column stands for FirstNormalTransactionId;
* similarly, "1" in relminmxid stands for FirstMultiXactId
*/
DATA(insert OID = 1247 ( pg_type PGNSP 71 0 PGUID 0 0 0 0 0 0 0 f f p r 30 0 t f f f f f f t n 3 1 _null_ _null_ ));
DESCR("");
DATA(insert OID = 1249 ( pg_attribute PGNSP 75 0 PGUID 0 0 0 0 0 0 0 f f p r 21 0 f f f f f f f t n 3 1 _null_ _null_ ));
DESCR("");
DATA(insert OID = 1255 ( pg_proc PGNSP 81 0 PGUID 0 0 0 0 0 0 0 f f p r 29 0 t f f f f f f t n 3 1 _null_ _null_ ));
DESCR("");
DATA(insert OID = 1259 ( pg_class PGNSP 83 0 PGUID 0 0 0 0 0 0 0 f f p r 31 0 t f f f f f f t n 3 1 _null_ _null_ ));
DESCR("");
#define RELKIND_RELATION 'r' /* ordinary table */
#define RELKIND_INDEX 'i' /* secondary index */
#define RELKIND_SEQUENCE 'S' /* sequence object */
#define RELKIND_TOASTVALUE 't' /* for out-of-line values */
#define RELKIND_VIEW 'v' /* view */
#define RELKIND_COMPOSITE_TYPE 'c' /* composite type */
#define RELKIND_FOREIGN_TABLE 'f' /* foreign table */
#define RELKIND_MATVIEW 'm' /* materialized view */
#define RELPERSISTENCE_PERMANENT 'p' /* regular table */
#define RELPERSISTENCE_UNLOGGED 'u' /* unlogged permanent table */
#define RELPERSISTENCE_TEMP 't' /* temporary table */
/* default selection for replica identity (primary key or nothing) */
#define REPLICA_IDENTITY_DEFAULT 'd'
/* no replica identity is logged for this relation */
#define REPLICA_IDENTITY_NOTHING 'n'
/* all columns are logged as replica identity */
#define REPLICA_IDENTITY_FULL 'f'
/*
* an explicitly chosen candidate key's columns are used as identity;
* will still be set if the index has been dropped, in that case it
* has the same meaning as 'd'
*/
#define REPLICA_IDENTITY_INDEX 'i'
#endif /* PG_CLASS_H */
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