database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-11 10:01:57 +03:00
Code Activity

Further work on connecting the free space map (which is still just a

Browse Source 
stub) into the rest of the system.  Adopt a cleaner approach to preventing
deadlock in concurrent heap_updates: allow RelationGetBufferForTuple to
select any page of the rel, and put the onus on it to lock both buffers
in a consistent order.  Remove no-longer-needed isExtend hack from
API of ReleaseAndReadBuffer.
This commit is contained in:
Tom Lane
2001-06-29 21:08:25 +00:00
parent 0eab92c0e6
commit af5ced9cfd
12 changed files with 381 additions and 233 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/access/transam/xlogutils.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.15 2001/03/22 03:59:18 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.16 2001/06/29 21:08:24 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -171,6 +171,7 @@ XLogOpenLogRelation(void)
sprintf(RelationGetPhysicalRelationName(logRelation), "pg_log");
logRelation->rd_node.tblNode = InvalidOid;
logRelation->rd_node.relNode = RelOid_pg_log;
logRelation->rd_targblock = InvalidBlockNumber;
logRelation->rd_fd = -1;
logRelation->rd_fd = smgropen(DEFAULT_SMGR, logRelation, false);
if (logRelation->rd_fd < 0)
@ -384,6 +385,7 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
hentry->rdesc = res;
res->reldata.rd_targblock = InvalidBlockNumber;
res->reldata.rd_fd = -1;
res->reldata.rd_fd = smgropen(DEFAULT_SMGR, &(res->reldata),
true /* allow failure */ );