greenplumn relfilenodemap 代码
文件路径：/src/include/utils/relfilenodemap.h
/*-------------------------------------------------------------------------
*
* relfilenodemap.h
* relfilenode to oid mapping cache.
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/relfilenodemap.h
*
*-------------------------------------------------------------------------
*/
#ifndef RELFILENODEMAP_H
#define RELFILENODEMAP_H
extern Oid RelidByRelfilenode(Oid reltablespace, Oid relfilenode);
#endif /* RELFILENODEMAP_H */