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Remove ugly call ImmediateSharedRelationCacheInvalidate() 

from md.c.
This commit is contained in:
Hiroshi Inoue 2000-02-07 02:38:18 +00:00
parent 4acf890948
commit 7d738f9586
1 changed files with 1 additions and 25 deletions
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26
src/backend/storage/smgr/md.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.63 2000/01/26 05:57:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.64 2000/02/07 02:38:18 inoue Exp $
*
*-------------------------------------------------------------------------
*/
@ -205,15 +205,6 @@ mdunlink(Relation reln)
*/
if (reln->rd_unlinked && reln->rd_fd < 0)
return SM_SUCCESS;
/*
* This call isn't good for independency of md stuff,but
* mdunlink() unlinks the base file immediately and couldn't
* be rollbacked in case of abort. We must guarantee all
* backends' relation cache invalidation here.
* This would be unnecessary if unlinking is postponed
* till end of transaction.
*/
ImmediateSharedRelationCacheInvalidate(reln);
/*
* Force all segments of the relation to be opened, so that we
* won't miss deleting any of them.
@ -786,7 +777,6 @@ mdtruncate(Relation reln, int nblocks)
#ifndef LET_OS_MANAGE_FILESIZE
MemoryContext oldcxt;
int priorblocks;
bool invalregistered = false;
#endif
/* NOTE: mdnblocks makes sure we have opened all existing segments,
@ -818,20 +808,6 @@ mdtruncate(Relation reln, int nblocks)
* a big file...
*/
FileTruncate(v->mdfd_vfd, 0);
/*
* To call ImmediateSharedRelationCacheInvalidate() here
* isn't good for independency of md stuff,but smgrunlink()
* removes the base file immediately and couldn't be
* rollbacked in case of abort. We must guarantee
* all backends' relation cache invalidation here.
* This would be unnecessary if the truncation is postponed
* till end of transaction.
*/
if (!invalregistered)
{
ImmediateSharedRelationCacheInvalidate(reln);
invalregistered = true;
}
FileUnlink(v->mdfd_vfd);
v = v->mdfd_chain;
Assert(ov != &Md_fdvec[fd]); /* we never drop the 1st segment */