database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-14 08:21:07 +03:00
Code Activity

Phase 1 of fix for 'SMgrRelation hashtable corrupted' problem. This

Browse Source 
is the minimum required fix.  I want to look next at taking advantage of
it by simplifying the message semantics in the shared inval message queue,
but that part can be held over for 8.1 if it turns out too ugly.
This commit is contained in:
Tom Lane
2005-01-10 20:02:24 +00:00
parent cc7cd8774a
commit 0ce4d56924
14 changed files with 121 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/backend/access/transam/xlogutils.c
View File

@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.35 2004/12/31 21:59:30 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.36 2005/01/10 20:02:19 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -125,8 +125,7 @@ _xl_remove_hash_entry(XLogRelDesc *rdesc)
if (hentry == NULL)
elog(PANIC, "_xl_remove_hash_entry: file was not found in cache");
if (rdesc->reldata.rd_smgr != NULL)
smgrclose(rdesc->reldata.rd_smgr);
RelationCloseSmgr(&(rdesc->reldata));
memset(rdesc, 0, sizeof(XLogRelDesc));
memset(tpgc, 0, sizeof(FormData_pg_class));
@ -233,7 +232,8 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
hentry->rdesc = res;
res->reldata.rd_targblock = InvalidBlockNumber;
res->reldata.rd_smgr = smgropen(res->reldata.rd_node);
res->reldata.rd_smgr = NULL;
RelationOpenSmgr(&(res->reldata));
/*
* Create the target file if it doesn't already exist. This lets
@ -278,7 +278,5 @@ XLogCloseRelation(RelFileNode rnode)
rdesc = hentry->rdesc;
if (rdesc->reldata.rd_smgr != NULL)
smgrclose(rdesc->reldata.rd_smgr);
rdesc->reldata.rd_smgr = NULL;
RelationCloseSmgr(&(rdesc->reldata));
}