123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181 |
- /*-------------------------------------------------------------------------
- *
- * 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 */
|