|
Server : Apache System : Linux cvar2.toservers.com 3.10.0-962.3.2.lve1.5.73.el7.x86_64 #1 SMP Wed Aug 24 21:31:23 UTC 2022 x86_64 User : njnconst ( 1116) PHP Version : 8.4.18 Disable Function : NONE Directory : /opt/alt-old/postgresql11/usr/include/pgsql/server/storage/ |
Upload File : |
/*------------------------------------------------------------------------- * * freespace.h * POSTGRES free space map for quickly finding free space in relations * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/storage/freespace.h * *------------------------------------------------------------------------- */ #ifndef FREESPACE_H_ #define FREESPACE_H_ #include "storage/block.h" #include "storage/relfilenode.h" #include "utils/relcache.h" /* prototypes for public functions in freespace.c */ extern Size GetRecordedFreeSpace(Relation rel, BlockNumber heapBlk); extern BlockNumber GetPageWithFreeSpace(Relation rel, Size spaceNeeded); extern BlockNumber RecordAndGetPageWithFreeSpace(Relation rel, BlockNumber oldPage, Size oldSpaceAvail, Size spaceNeeded); extern void RecordPageWithFreeSpace(Relation rel, BlockNumber heapBlk, Size spaceAvail); extern void XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk, Size spaceAvail); extern void FreeSpaceMapTruncateRel(Relation rel, BlockNumber nblocks); extern void FreeSpaceMapVacuum(Relation rel); #endif /* FREESPACE_H_ */