greenplumn catalog 源码
greenplumn catalog 代码
文件路径：/src/include/catalog/catalog.h
/*-------------------------------------------------------------------------
*
* catalog.h
* prototypes for functions in backend/catalog/catalog.c
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/catalog.h
*
*-------------------------------------------------------------------------
*/
#ifndef CATALOG_H
#define CATALOG_H
#include "catalog/pg_class.h"
#include "storage/relfilenode.h"
#include "utils/relcache.h"
/*
* This file is used to store internal configuration information specific to a
* server that's not same between primary and mirror pair. For example it
* stores gp_dbid, which is different for primary and mirror pair, even if
* contentid is same for them. This file is not copied over during
* pg_basebackup and pg_rewind to mirror from primary.
*/
#define GP_INTERNAL_AUTO_CONF_FILE_NAME "internal.auto.conf"
extern bool IsSystemRelation(Relation relation);
extern bool IsToastRelation(Relation relation);
extern bool IsCatalogRelation(Relation relation);
extern bool IsSystemClass(Oid relid, Form_pg_class reltuple);
extern bool IsToastClass(Form_pg_class reltuple);
extern bool IsCatalogRelationOid(Oid relid);
extern bool IsCatalogNamespace(Oid namespaceId);
extern bool IsToastNamespace(Oid namespaceId);
extern bool IsAoSegmentNamespace(Oid namespaceId);
extern bool IsReservedName(const char *name);
extern char* GetReservedPrefix(const char *name);
extern bool IsSharedRelation(Oid relationId);
extern Oid GetNewOidWithIndex(Relation relation, Oid indexId,
AttrNumber oidcolumn);
extern Oid GetNewRelFileNode(Oid reltablespace, Relation pg_class,
char relpersistence);
extern void reldir_and_filename(RelFileNode rnode, BackendId backend, ForkNumber forknum,
char **dir, char **filename);
extern char *aorelpathbackend(RelFileNode node, BackendId backend, int32 segno);
#endif /* CATALOG_H */
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