granicus.if.org Git - postgresql/blob - src/include/storage/indexfsm.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * indexfsm.h
   4  *        POSTGRES free space map for quickly finding an unused page in index
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/storage/indexfsm.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef INDEXFSM_H_
  15 #define INDEXFSM_H_
  16
  17 #include "storage/block.h"
  18 #include "utils/relcache.h"
  19
  20 extern BlockNumber GetFreeIndexPage(Relation rel);
  21 extern void RecordFreeIndexPage(Relation rel, BlockNumber page);
  22 extern void RecordUsedIndexPage(Relation rel, BlockNumber page);
  23
  24 extern void IndexFreeSpaceMapVacuum(Relation rel);
  25
  26 #endif   /* INDEXFSM_H_ */