1
0
mirror of https://github.com/postgres/postgres.git synced 2025-12-21 05:21:08 +03:00

Revert "Avoid creation of the free space map for small heap relations."

This reverts commit ac88d2962a.
This commit is contained in:
Amit Kapila
2019-01-28 11:31:44 +05:30
parent ac88d2962a
commit a23676503b
16 changed files with 102 additions and 576 deletions

View File

@@ -18,20 +18,15 @@
#include "storage/relfilenode.h"
#include "utils/relcache.h"
/* Only create the FSM if the heap has greater than this many blocks */
#define HEAP_FSM_CREATION_THRESHOLD 4
/* prototypes for public functions in freespace.c */
extern Size GetRecordedFreeSpace(Relation rel, BlockNumber heapBlk);
extern BlockNumber GetPageWithFreeSpace(Relation rel, Size spaceNeeded,
bool check_fsm_only);
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, BlockNumber nblocks);
extern void FSMClearLocalMap(void);
Size spaceAvail);
extern void XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk,
Size spaceAvail);