Change mdtruncate to truncate and not unlink.

Hiroshi Inoue

diff --git a/src/backend/storage/smgr/md.c b/src/backend/storage/smgr/md.c
index ce4fd6ab651870f5ed0162e4abcf37053ace455e..5d84956059fa8c4dfb5cbc542da3ebb08c4e2349 100644 (file)
--- a/src/backend/storage/smgr/md.c
+++ b/src/backend/storage/smgr/md.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.44 1999/05/25 16:11:30 momjian Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.45 1999/06/11 02:39:43 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -711,27 +711,14 @@ mdtruncate(Relation reln, int nblocks)
    MdfdVec    *v;
 
 #ifndef LET_OS_MANAGE_FILESIZE
-   int         curnblk,
-               i,
-               oldsegno,
-               newsegno;
-   char        fname[NAMEDATALEN];
-   char        tname[NAMEDATALEN + 10];
+   int         curnblk;
 
    curnblk = mdnblocks(reln);
-   oldsegno = curnblk / RELSEG_SIZE;
-   newsegno = nblocks / RELSEG_SIZE;
-
-   StrNCpy(fname, RelationGetRelationName(reln)->data, NAMEDATALEN);
-
-   if (newsegno < oldsegno)
+   if (curnblk / RELSEG_SIZE > 0)
    {
-       for (i = (newsegno + 1);; i++)
-       {
-           sprintf(tname, "%s.%d", fname, i);
-           if (FileNameUnlink(tname) < 0)
-               break;
-       }
+       elog(NOTICE, "Can't truncate multi-segments relation %s",
+           reln->rd_rel->relname.data);
+       return curnblk;
    }
 #endif