database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00
Code Activity

Don't force creation of the FSM on searches. It will still be created

Browse Source 
as soon as the first page fills up, and is marked as (almost) full,
though.
This commit is contained in:
Heikki Linnakangas
2008-11-27 13:32:26 +00:00
parent c3cee16fe8
commit 4d6ee26171
1 changed files with 3 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/backend/storage/freespace/freespace.c
View File

@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.68 2008/11/26 17:08:57 heikki Exp $ * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.69 2008/11/27 13:32:26 heikki Exp $
* *
* *
* NOTES: * NOTES:
@ -638,13 +638,8 @@ fsm_search(Relation rel, uint8 min_cat)
Buffer buf; Buffer buf;
uint8 max_avail = 0; uint8 max_avail = 0;
/* /* Read the FSM page. */
* Read the FSM page. The root page is created if it doesn't exist buf = fsm_readbuf(rel, addr, false);
* yet, to save future searchers the effort of having to call
* smgrnblocks() in fsm_readbuf(), only to see that the FSM is
* completely empty.
*/
buf = fsm_readbuf(rel, addr, (addr.level != FSM_ROOT_LEVEL));
/* Search within the page */ /* Search within the page */
if (BufferIsValid(buf)) if (BufferIsValid(buf))