|
8 | 8 | * |
9 | 9 | * |
10 | 10 | * IDENTIFICATION |
11 | | - * $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.63 2000/01/26 05:57:05 momjian Exp $ |
| 11 | + * $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.64 2000/02/07 02:38:18 inoue Exp $ |
12 | 12 | * |
13 | 13 | *------------------------------------------------------------------------- |
14 | 14 | */ |
@@ -205,15 +205,6 @@ mdunlink(Relation reln) |
205 | 205 | */ |
206 | 206 | if (reln->rd_unlinked&&reln->rd_fd<0) |
207 | 207 | returnSM_SUCCESS; |
208 | | -/* |
209 | | - * This call isn't good for independency of md stuff,but |
210 | | - * mdunlink() unlinks the base file immediately and couldn't |
211 | | - * be rollbacked in case of abort. We must guarantee all |
212 | | - * backends' relation cache invalidation here. |
213 | | - * This would be unnecessary if unlinking is postponed |
214 | | - * till end of transaction. |
215 | | - */ |
216 | | -ImmediateSharedRelationCacheInvalidate(reln); |
217 | 208 | /* |
218 | 209 | * Force all segments of the relation to be opened, so that we |
219 | 210 | * won't miss deleting any of them. |
@@ -786,7 +777,6 @@ mdtruncate(Relation reln, int nblocks) |
786 | 777 | #ifndefLET_OS_MANAGE_FILESIZE |
787 | 778 | MemoryContextoldcxt; |
788 | 779 | intpriorblocks; |
789 | | -boolinvalregistered= false; |
790 | 780 | #endif |
791 | 781 |
|
792 | 782 | /* NOTE: mdnblocks makes sure we have opened all existing segments, |
@@ -818,20 +808,6 @@ mdtruncate(Relation reln, int nblocks) |
818 | 808 | * a big file... |
819 | 809 | */ |
820 | 810 | FileTruncate(v->mdfd_vfd,0); |
821 | | -/* |
822 | | - * To call ImmediateSharedRelationCacheInvalidate() here |
823 | | - * isn't good for independency of md stuff,but smgrunlink() |
824 | | - * removes the base file immediately and couldn't be |
825 | | - * rollbacked in case of abort. We must guarantee |
826 | | - * all backends' relation cache invalidation here. |
827 | | - * This would be unnecessary if the truncation is postponed |
828 | | - * till end of transaction. |
829 | | - */ |
830 | | -if (!invalregistered) |
831 | | -{ |
832 | | -ImmediateSharedRelationCacheInvalidate(reln); |
833 | | -invalregistered= true; |
834 | | -} |
835 | 811 | FileUnlink(v->mdfd_vfd); |
836 | 812 | v=v->mdfd_chain; |
837 | 813 | Assert(ov!=&Md_fdvec[fd]);/* we never drop the 1st segment */ |
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