Some comments...

diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 6cf4407ff76c833ee5d5186e7cccd3ebc0a5ed0e..dcb3365a7ba8aae143b54f80df2bf4045a4525bd 100644 (file)
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.98 1999/04/02 04:51:04 tgl Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.99 1999/04/12 16:56:36 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1328,6 +1328,12 @@ vc_rpfheap(VRelStats *vacrelstats, Relation onerel,
                                        tuple_len = tuple.t_len = ItemIdGetLength(Citemid);
                                        /* Get page to move in */
                                        cur_buffer = ReadBuffer(onerel, vtmove[ti].vpd->vpd_blkno);
+                                       /*
+                                        * We should LockBuffer(cur_buffer) but don't, at the 
+                                        * moment. If you'll do LockBuffer then UNLOCK it 
+                                        * before index_insert: unique btree-s call heap_fetch 
+                                        * to get t_infomask of inserted heap tuple !!!
+                                        */
                                        ToPage = BufferGetPage(cur_buffer);
                                        /* if this page was not used before - clean it */
                                        if (!PageIsEmpty(ToPage) && vtmove[i].cleanVpd)
@@ -1766,7 +1772,6 @@ vc_vacpage(Page page, VPageDescr vpd)
        ItemId          itemid;
        int                     i;
 
-       Assert(vpd->vpd_offsets_used == 0);
        for (i = 0; i < vpd->vpd_offsets_free; i++)
        {
                itemid = &(((PageHeader) page)->pd_linp[vpd->vpd_offsets[i] - 1]);