mirror of
https://github.com/simtactics/niotso.git
synced 2025-03-29 06:07:45 +00:00
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* pg_shdepend.h
|
|
* definition of the system "shared dependency" relation (pg_shdepend)
|
|
* along with the relation's initial contents.
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* src/include/catalog/pg_shdepend.h
|
|
*
|
|
* NOTES
|
|
* the genbki.pl script reads this file and generates .bki
|
|
* information from the DATA() statements.
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef PG_SHDEPEND_H
|
|
#define PG_SHDEPEND_H
|
|
|
|
#include "catalog/genbki.h"
|
|
|
|
/* ----------------
|
|
* pg_shdepend definition. cpp turns this into
|
|
* typedef struct FormData_pg_shdepend
|
|
* ----------------
|
|
*/
|
|
#define SharedDependRelationId 1214
|
|
|
|
CATALOG(pg_shdepend,1214) BKI_SHARED_RELATION BKI_WITHOUT_OIDS
|
|
{
|
|
/*
|
|
* Identification of the dependent (referencing) object.
|
|
*
|
|
* These fields are all zeroes for a DEPENDENCY_PIN entry. Also, dbid can
|
|
* be zero to denote a shared object.
|
|
*/
|
|
Oid dbid; /* OID of database containing object */
|
|
Oid classid; /* OID of table containing object */
|
|
Oid objid; /* OID of object itself */
|
|
int4 objsubid; /* column number, or 0 if not used */
|
|
|
|
/*
|
|
* Identification of the independent (referenced) object. This is always
|
|
* a shared object, so we need no database ID field. We don't bother with
|
|
* a sub-object ID either.
|
|
*/
|
|
Oid refclassid; /* OID of table containing object */
|
|
Oid refobjid; /* OID of object itself */
|
|
|
|
/*
|
|
* Precise semantics of the relationship are specified by the deptype
|
|
* field. See SharedDependencyType in catalog/dependency.h.
|
|
*/
|
|
char deptype; /* see codes in dependency.h */
|
|
} FormData_pg_shdepend;
|
|
|
|
/* ----------------
|
|
* Form_pg_shdepend corresponds to a pointer to a row with
|
|
* the format of pg_shdepend relation.
|
|
* ----------------
|
|
*/
|
|
typedef FormData_pg_shdepend *Form_pg_shdepend;
|
|
|
|
/* ----------------
|
|
* compiler constants for pg_shdepend
|
|
* ----------------
|
|
*/
|
|
#define Natts_pg_shdepend 7
|
|
#define Anum_pg_shdepend_dbid 1
|
|
#define Anum_pg_shdepend_classid 2
|
|
#define Anum_pg_shdepend_objid 3
|
|
#define Anum_pg_shdepend_objsubid 4
|
|
#define Anum_pg_shdepend_refclassid 5
|
|
#define Anum_pg_shdepend_refobjid 6
|
|
#define Anum_pg_shdepend_deptype 7
|
|
|
|
|
|
/*
|
|
* pg_shdepend has no preloaded contents; system-defined dependencies are
|
|
* loaded into it during a late stage of the initdb process.
|
|
*
|
|
* NOTE: we do not represent all possible dependency pairs in pg_shdepend;
|
|
* for example, there's not much value in creating an explicit dependency
|
|
* from a relation to its database. Currently, only dependencies on roles
|
|
* are explicitly stored in pg_shdepend.
|
|
*/
|
|
|
|
#endif /* PG_SHDEPEND_H */
|